CN102844559B - High-pressure service pump - Google Patents
High-pressure service pump Download PDFInfo
- Publication number
- CN102844559B CN102844559B CN201180019860.4A CN201180019860A CN102844559B CN 102844559 B CN102844559 B CN 102844559B CN 201180019860 A CN201180019860 A CN 201180019860A CN 102844559 B CN102844559 B CN 102844559B
- Authority
- CN
- China
- Prior art keywords
- head components
- pump
- cylinder cap
- pressure service
- housing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 239000000446 fuel Substances 0.000 claims abstract description 24
- 239000000463 material Substances 0.000 claims abstract description 18
- 238000002485 combustion reaction Methods 0.000 claims abstract description 6
- 238000002347 injection Methods 0.000 claims abstract description 5
- 239000007924 injection Substances 0.000 claims abstract description 5
- 238000004519 manufacturing process Methods 0.000 description 6
- 230000008901 benefit Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 3
- 230000002349 favourable effect Effects 0.000 description 3
- 238000007789 sealing Methods 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000002283 diesel fuel Substances 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000005242 forging Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000002000 scavenging effect Effects 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M59/00—Pumps specially adapted for fuel-injection and not provided for in groups F02M39/00 -F02M57/00, e.g. rotary cylinder-block type of pumps
- F02M59/44—Details, components parts, or accessories not provided for in, or of interest apart from, the apparatus of groups F02M59/02 - F02M59/42; Pumps having transducers, e.g. to measure displacement of pump rack or piston
- F02M59/48—Assembling; Disassembling; Replacing
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M59/00—Pumps specially adapted for fuel-injection and not provided for in groups F02M39/00 -F02M57/00, e.g. rotary cylinder-block type of pumps
- F02M59/02—Pumps specially adapted for fuel-injection and not provided for in groups F02M39/00 -F02M57/00, e.g. rotary cylinder-block type of pumps of reciprocating-piston or reciprocating-cylinder type
- F02M59/10—Pumps specially adapted for fuel-injection and not provided for in groups F02M39/00 -F02M57/00, e.g. rotary cylinder-block type of pumps of reciprocating-piston or reciprocating-cylinder type characterised by the piston-drive
- F02M59/102—Mechanical drive, e.g. tappets or cams
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M59/00—Pumps specially adapted for fuel-injection and not provided for in groups F02M39/00 -F02M57/00, e.g. rotary cylinder-block type of pumps
- F02M59/44—Details, components parts, or accessories not provided for in, or of interest apart from, the apparatus of groups F02M59/02 - F02M59/42; Pumps having transducers, e.g. to measure displacement of pump rack or piston
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M59/00—Pumps specially adapted for fuel-injection and not provided for in groups F02M39/00 -F02M57/00, e.g. rotary cylinder-block type of pumps
- F02M59/44—Details, components parts, or accessories not provided for in, or of interest apart from, the apparatus of groups F02M59/02 - F02M59/42; Pumps having transducers, e.g. to measure displacement of pump rack or piston
- F02M59/46—Valves
- F02M59/464—Inlet valves of the check valve type
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M59/00—Pumps specially adapted for fuel-injection and not provided for in groups F02M39/00 -F02M57/00, e.g. rotary cylinder-block type of pumps
- F02M59/44—Details, components parts, or accessories not provided for in, or of interest apart from, the apparatus of groups F02M59/02 - F02M59/42; Pumps having transducers, e.g. to measure displacement of pump rack or piston
- F02M59/48—Assembling; Disassembling; Replacing
- F02M59/485—Means for fixing delivery valve casing and barrel to each other or to pump casing
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M2200/00—Details of fuel-injection apparatus, not otherwise provided for
- F02M2200/90—Selection of particular materials
- F02M2200/9053—Metals
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M39/00—Arrangements of fuel-injection apparatus with respect to engines; Pump drives adapted to such arrangements
- F02M39/02—Arrangements of fuel-injection apparatus to facilitate the driving of pumps; Arrangements of fuel-injection pumps; Pump drives
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M59/00—Pumps specially adapted for fuel-injection and not provided for in groups F02M39/00 -F02M57/00, e.g. rotary cylinder-block type of pumps
- F02M59/44—Details, components parts, or accessories not provided for in, or of interest apart from, the apparatus of groups F02M59/02 - F02M59/42; Pumps having transducers, e.g. to measure displacement of pump rack or piston
- F02M59/46—Valves
- F02M59/466—Electrically operated valves, e.g. using electromagnetic or piezoelectric operating means
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Fuel-Injection Apparatus (AREA)
Abstract
The present invention relates to a kind of high-pressure service pump (1), in particular for air compressing, the radial of the fuel injection apparatus of the internal-combustion engine of self ignition or inline piston pumps, described high-pressure service pump comprise a housing (2), one be bearing in live axle (3) in described housing (2), cylinder cap (6) that at least one is connected with described housing (2) and a pump assembly (14) be arranged on described cylinder cap (6), described pump assembly can be driven by described live axle (3).At this, described cylinder cap (6) comprises first head components (7) and second head components (8).Described pump assembly (14) comprises a pump working chamber (18) be configured in described first head components (7).At this, described cylinder cap (6) is connected with described housing (2) by described second head components (8).Described first head components (7) is made up of high pressure resistant material, and described second head components (8) is made up of the material of cost-effective.
Description
Technical field
The present invention relates to a kind of high-pressure service pump, especially a kind of radial or inline piston pumps.Particularly, the present invention relates to air compressing, the petrolift field of the fuel injection apparatus of auto-ignition internal combustion engines.
Background technique
By the petrolift of the known a kind of live axle that there is housing and support in described housing of EP1013921A2., arrange two mutually in the face of the cylinder cap that ground is arranged here, they are fixing on the housing.The integrated inlet valve of difference and an expulsion valve in described cylinder cap here.After the expulsion valve of described cylinder cap, also arrange high pressure joint, these high pressure joints are screwed in corresponding cylinder cap.
The shortcoming had by the petrolift that EP1013921A2 is known is that manufacture cost is relatively high.Particularly, high pressure resistant material must be used in order to construct cylinder cap and need to process this high pressure resistant material.
Summary of the invention
According to the present invention, propose a kind of high-pressure service pump, described high-pressure service pump has a housing, a live axle be bearing in described housing, at least one cylinder cap be connected with described housing is arranged in the pump assembly on described cylinder cap with at least one, described pump assembly can by described drive shaft, wherein, described pump assembly has a pump working chamber, wherein, described cylinder cap is constructed to two-piece type cylinder cap, it is made up of first head components and second head components, wherein, described pump working chamber is configured in described first head components, an expulsion valve is arranged in described first head components, and in described first head components, construct one leads to described expulsion valve fuel channel from described pump working chamber, and wherein, described cylinder cap is connected with described housing by described second head components, wherein, described fuel channel consists of a shoulder hole constructed in described first head components and described expulsion valve is configured in described shoulder hole, wherein, described first head components is made up of high pressure resistant material, and described second head components is made up of resistance to low pressure material.
The high-pressure service pump with technique scheme feature according to the present invention has the advantage reducing manufacture cost.Particularly, the Master Cost and the processing charges that construct cylinder cap are lowered.This advantage doubles along with the quantity of the cylinder cap arranged on high-pressure service pump.
The favourable improvement project of the high-pressure service pump provided in technique scheme can be realized by the measure listed in the following description.
High-pressure service pump comprises a housing in an advantageous manner, and cylinder cap is mounted on described housing.Here multiple cylinder cap be assemblied on housing also can be set.The advantage of the cylinder cap design proposal be here made up of the first head components and at least one second head components can repeatedly be utilized.The housing of high-pressure service pump can construct all-in-one-piece or multi-part type.
Advantageously, pump assembly has a cylinder holes constructed in described first head components and a pump piston be directed in described cylinder holes, pump piston restrictive pump working room and described pump piston can by described drive shaft in cylinder holes.The high stability of the first head components can be utilized thus in an advantageous manner, to form the cylinder holes with pump working chamber.Also advantageously, described second head components arranges an inlet valve, and described inlet valve limits described pump working chamber.Here, one or more parts of inlet valve can limit described pump working chamber.Such as, described inlet valve can overlap by rights and install on an end face of described first head components.Described inlet valve fixing on described first head components can be undertaken by described second cylinder cap.Therefore, described second head components can have a suitable acceptance division, and described inlet valve is arranged in described acceptance division.
Also advantageously, described first head components arranges an expulsion valve, and construct a fuel channel in described first head components, it leads to described expulsion valve from described pump working chamber.Here also advantageously, described fuel channel is consisted of the shoulder hole that constructs in described first head components and described expulsion valve is configured in described shoulder hole.Described expulsion valve can be integrated in the first head components in an advantageous manner thus.Described expulsion valve can be configured to safety check here.Such as described first head components can be configured to forge piece, thus obtains the important advantage about the intensity of described first head components.In contrast, described second head components can be made with favourable material, especially makes with unsclerotized material, and the cost thus obtained thus about the cylinder cap of described composition reduces.
Also advantageously, described second head components is configured to flange, and described second head components can be tightened on the housing at least two different tightened position.Particularly, four tightened position can be set.Here also advantageously, these tightened position are distinguished around the rotation of the axis of pump assembly mutually by cylinder cap.Such as, certain variability with four possible tightened position is obtained by making the integral multiple of cylinder cap half-twist or 90 °.About various applicable cases, described cylinder cap can carry out about the suitable orientation of the housing of described high-pressure service pump.Particularly, the expulsion valve high pressure joint below that is arranged on of described expulsion valve or described high-pressure service pump can about corresponding applicable cases orientation thus.
Also advantageously, described second head components has a side direction dead slot, and it is for receiving the side direction adapter of described first head components.Described high pressure joint can be arranged in the side direction adapter of described first head components.Described cylinder cap can assemble in a straightforward manner thus.
Also advantageously, described first head components is made up of high pressure resistant material and described second head components is made up of resistance to low pressure material.Particularly, described first head components is manufactured by high-quality steel, such as 100CR6.Described second head components can be made with the material of cost-effective.Described second head components can be fixed described first head components here and thus fix described cylinder cap, and bears low pressure recycle.
Particularly, described cylinder cap can be configured to two-piece type cylinder cap, and it is made up of described first head components and the second head components.Here, seal ring and similarity piece can be integrated in described cylinder cap, and they can realize the sealing needed for jointing in the assembled condition.
Accompanying drawing explanation
In following explanation with reference to the accompanying drawings, illustrate the preferred embodiments of the present invention in detail, corresponding element is provided with consistent reference character in the accompanying drawings.It illustrates:
Fig. 1 with outline, the axial sectional view display of signal is according to the high-pressure service pump of the embodiment of the present invention; And
The schematic diagram that Fig. 2 is observed by the direction of observation represented with II shows the high-pressure service pump shown in Fig. 1.
Embodiment
Fig. 1 with outline, schematic axial sectional view shows a high-pressure service pump 1 according to the embodiment of the present invention.High-pressure service pump 1 especially can be configured to radial or inline piston pumps.Particularly, high-pressure service pump 1 be suitable for being used as air compressing, the petrolift of the fuel injection apparatus of the internal-combustion engine of self ignition.The advantageous applications of high-pressure service pump 1 is the fuel injection apparatus with common rail, and common rail is for storing high-pressure diesel fuel.But high-pressure service pump 1 according to the present invention is also suitable for other applicable cases.
High-pressure service pump 1 has a housing 2, that this housing can be configured to integral type or multi-part type.Also be provided with a live axle 3, live axle 3 is bearing in housing 2 in a suitable manner.Live axle 3 has a cam 4.Operationally, live axle 3 rotates around its spin axis 5.Here, cam 4 rotates along with live axle 3.Cam 4 can be configured to single cam or many cams.Cam 4 can also be consisted of the eccentric portion of live axle 3.According to the structure of high-pressure service pump 1, live axle 3 also can arrange other cam.Housing 2 also can be housing, the such as cylinder cap of internal-combustion engine, and live axle 3 can be the camshaft of internal-combustion engine, and by its scavenging air valve of camshaft control, and camshaft has being somebody's turn to do or these cams 4 for high-pressure service pump 1.
In addition, high-pressure service pump 1 has a cylinder cap 6.Cylinder cap 6 is made up of first head components 7 and second head components 8.Here, the high pressure resistant material of the first head components 7 is formed.Such as, the first head components 7 can use high-quality steel, especially 100CR6 to manufacture.Second head components 8 is configured to flange 8.Here the second head components 8 can be made with favourable material.Particularly, the resistance to low pressure material of the second head components 8 is formed.
Housing 2 has a tappet bore 10.First head components 7 of cylinder cap 6 has an annex 11, and annex 11 extends in tappet bore 10.In addition, the first head components 7 has a cylinder holes 12, and pump piston 13 is directed in cylinder holes 12.Pump piston 13 is here the parts of pump assembly 14, and it to be arranged in the region of tappet bore 10 and to be configured to cam 4.Cam 4 is applied on pump piston 13 by rights, as illustrated visually by double-head arrow 15.Such as, by a lifter body, one be arranged on roller seat in lifter body and the roller formation work between cam 4 and pump piston 13 be bearing in roller seat connects with driven pump assembly 14, roller operates on the working surface of cam 4.Resetting at of this lifter body can be undertaken by tappet spring 16 here, and tappet spring 16 surrounds annex 11 with the form of section.Therefore, pump piston 13 is caused to move back and forth in cylinder holes 12 when live axle 3 rotates around its spin axis 5.
The end of cylinder holes 12 constructs a pump working chamber 18 limited by end face 17.Pump working chamber 18 is configured in the first head components 7.Be in operation, the directed axis 19 along pump assembly 14 of pump piston 13 moves, and wherein, axis 19 is determined by cylinder holes 12.
The housing 2 of high-pressure service pump 1 has an end face 25.Cylinder cap 6 is sleeved on the end face 25 of housing 2.First head components 7 has an annular flange 26 in the region of its annex 11.First head components 7 flange 26 of annular is bearing on the end face 25 of housing 2.Second head components 8 also has an abutment face 27, and this abutment face abuts on the end face 25 of housing 2.Second head components 8 is fixed on housing 2.Therefore, the first head components 7 is also fixed on housing 2 by the second head components 8.Therefore, whole cylinder cap 6 is fixed on housing 2.
First head components 7 has an adapter 28, and it is at least approximately perpendicular to axis 19 orientation.High pressure joint 29 is configured in adapter 28.Adapter 28 also constructs a shoulder hole 30, and it forms fuel channel 31.Here, an integrated expulsion valve 32 being configured to safety check in the adapter 28 of the first head components 7.Here, in the region of the conical step of shoulder hole 30, arrange the valve sphere 33 of expulsion valve 32.Thus, expulsion valve 32 is integrated in the first head components 7 in an advantageous manner.
Second head components 8 has a space 34, and this space has threaded sections 35.In space 34, a valve member 36 is installed.By being tightened to the threaded collar 37 in threaded sections 35, valve member 36 is loaded on the end face 38 of the first head components 7., a seal ring 39 is set in the region of end face 38, the sealing of sealing environmental protection card here.Also arrange a valve tappet 40, this valve tappet is loaded by valve spring 41.Form between valve tappet 40 and valve seat surface 42 and be sealed and matched.In addition, in the second head components 8, construct a fuel channel 43, in this example, fuel channel 43 is connected with another channel section 44.Channel section 44 is here configured in housing 2.A seal ring 45 is arranged, to seal the transition part of the fuel channel 43 of channel section 44 to the second head components 8 from housing 2 in the region of end face 25.
The fuel being in low pressure is directed into an inlet valve 46 by fuel channel 43, and this inlet valve 46 is constructed by valve member 36, threaded collar 37, valve tappet 40 and valve spring 41.Inlet valve 46 can be integrated in the second head components 8 by this way.
In the aspiration stroke of pump piston 13, fuel is directed into pump working chamber 18 from fuel channel 43 by inlet valve 46.In delivery stroke subsequently, fuel is directed into high pressure joint 29 from pump working chamber 18 by fuel channel 31 and expulsion valve 32.High pressure joint 29 can be installed a high pressure pipe line, the fuel being in high pressure is directed to common rail or like.
In the operation of high-pressure service pump 1, the second head components 8 of cylinder cap 6 is only subject to the low pressure loading of the fuel being in low pressure.In contrast, the high pressure being in the fuel of high pressure that the first head components 7 is subject to being carried by pump piston 13 loads.The high pressure resistant material of first head components 7, especially high-quality steel are made.Second head components 8 can use the material manufacture of cost-effective, and it must be only resistance to low pressure.Thus, the reduction of manufacturing expense and manufacture cost is obtained by the two-piece construction of cylinder cap 6.
Also illustrate in greater detail according to Fig. 2 below being configured in of the high-pressure service pump 1 of described embodiment.
Fig. 2 is to observe the schematic diagram that the outline of the high-pressure service pump 1 shown in Fig. 1 is shown from the direction of observation represented with II.Second head components 8 of cylinder cap 6 has an edge 50.Here in example, edge 50 constructs four holes 51,52,53,54.Hole 51 to 54 is here evenly distributed on edge 50 in a circumferential direction about axis 19.About the spacing of given 90 ° of axis 19 between adjacent holes 51 to 54.Bolt 51 ', 52 ', 53 ', 54 ' passing hole 51 to 54 extends, and they are screwed in the suitable tapped hole of housing 2.Therefore, cylinder cap 6 is connected with housing 2 bolt.
High pressure joint 29 in the adapter 28 of the first head components 7 is arranged between hole 51,54.Cylinder cap 6 can also be tightened on housing 2 in other positions.Thus, the position of high pressure joint 29 can be changed.In this example, high pressure joint 29 can be arranged to about axis 19 with 90 ° or deflect with the multiple of 90 °.This can realize by screwing of the second head components 8 and the first head components 7 staggering on housing 2.Preferably, hole 51 is arranged relative to the stagger angle 56 of 45 ° of the axis 55 of adapter 28.In addition, the second head components 8 has side direction dead slot 57, and it is for receiving the side direction adapter 28 of the first head components 7.Therefore, it is possible to form cylinder cap 6 simply with two head components 7,8.
Thus in the region of expulsion valve 32, openly construct flange 8, the first head components 7 can be joined in the second head components 8.Second head components 8 is open upwards and closes with inlet valve 46.Inlet valve 46 is configured to suction valve here.
The one piece construction of the first head components 7 and integrated expulsion valve 32, such as, as forging parts, advantage be to obtain high strength.Four diverse locations for expulsion valve 32 and adjacent high voltage component 29 can be realized in this example.It also can be here the position of other quantity.This can be realized by the appropriate structuring in the hole on the edge 50 of the second head components 8.
The invention is not restricted to above-described embodiment.
Claims (7)
1. high-pressure service pump (1), described high-pressure service pump has a housing (2), one is bearing in the live axle (3) in described housing (2), at least one cylinder cap (6) be connected with described housing (2) and at least one be arranged in pump assembly (14) on described cylinder cap (6), described pump assembly can be driven by described live axle (3), wherein, described pump assembly (14) has a pump working chamber (18), it is characterized in that, described cylinder cap (6) is constructed to two-piece type cylinder cap (6), it is made up of first head components (7) and second head components (8), wherein, described pump working chamber (18) is configured in described first head components (7), an expulsion valve (32) is arranged in described first head components (7), and structure one leads to the fuel channel (31) of described expulsion valve (32) from described pump working chamber (18) in described first head components (7), and wherein, described cylinder cap (6) is connected with described housing (2) by described second head components (8), wherein, described fuel channel (31) consists of the shoulder hole (30) of a structure in described first head components (7) and described expulsion valve (32) is configured in described shoulder hole (30), wherein, described first head components (7) is made up of high pressure resistant material, and described second head components (8) is made up of resistance to low pressure material.
2. high-pressure service pump according to claim 1, it is characterized in that, described pump assembly (14) has cylinder holes (12) and the pump piston (13) be directed in described cylinder holes (12) of a structure in described first head components (7), and described pump piston (13) pump working chamber (18) and described pump piston (13) described in the middle gauge of described cylinder holes (12) can be driven by described live axle (3).
3. high-pressure service pump according to claim 1 and 2, is characterized in that, an inlet valve (46) is arranged in described second head components (8) and goes up and pump working chamber (18) described in described inlet valve (46) gauge.
4. high-pressure service pump according to claim 1 and 2, it is characterized in that, described second head components (8) is constructed to flange and described second head components (8) can be tightened on described housing (2) at least two different tightened position.
5. high-pressure service pump according to claim 4, is characterized in that, these tightened position are distinguished mutually by the rotation of described cylinder cap (6) around the axis (19) of described pump assembly (14).
6. high-pressure service pump according to claim 1 and 2, it is characterized in that, described second head components (8) has a side direction dead slot (57), and described side direction dead slot is for receiving side direction adapter (28) of described first head components (7).
7. high-pressure service pump according to claim 1, is characterized in that, described high-pressure service pump (1) is for the radial of the fuel injection apparatus of the internal-combustion engine of air compressing, self ignition or inline piston pumps.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102010028036.4 | 2010-04-21 | ||
| DE201010028036 DE102010028036A1 (en) | 2010-04-21 | 2010-04-21 | high pressure pump |
| PCT/EP2011/055328 WO2011131481A1 (en) | 2010-04-21 | 2011-04-06 | High-pressure pump |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102844559A CN102844559A (en) | 2012-12-26 |
| CN102844559B true CN102844559B (en) | 2016-04-27 |
Family
ID=44187859
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201180019860.4A Expired - Fee Related CN102844559B (en) | 2010-04-21 | 2011-04-06 | High-pressure service pump |
Country Status (4)
| Country | Link |
|---|---|
| EP (1) | EP2561213B1 (en) |
| CN (1) | CN102844559B (en) |
| DE (1) | DE102010028036A1 (en) |
| WO (1) | WO2011131481A1 (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102011089953A1 (en) | 2011-12-27 | 2013-06-27 | Robert Bosch Gmbh | Suction valve for high pressure fuel pump for fuel injection system of internal combustion engine, has chamber provided in valve housing such that valve shaft is inserted in chamber, and housing that is provided with polygonal socket |
| DE102013204327A1 (en) * | 2013-03-13 | 2014-09-18 | Robert Bosch Gmbh | Cylinder head blank, cylinder head and high-pressure pump for fuel injection systems |
| DE102013210036A1 (en) | 2013-05-29 | 2014-12-04 | Robert Bosch Gmbh | High pressure pump for a fuel injection system |
| DE102013212261A1 (en) * | 2013-06-26 | 2014-12-31 | Robert Bosch Gmbh | high pressure pump |
| WO2015169621A1 (en) * | 2014-05-05 | 2015-11-12 | Robert Bosch Gmbh | High-pressure pump for feeding fuel to an internal combustion engine |
| GB201516704D0 (en) * | 2015-09-21 | 2015-11-04 | Delphi Int Operations Lux Srl | Fuel pump assembly |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2170558A (en) * | 1985-02-02 | 1986-08-06 | Lucas Ind Plc | Liquid fuel injection pump |
| US4829646A (en) * | 1985-07-20 | 1989-05-16 | Robert Bosch Gmbh | Method for mounting an injection pump on an internal combustion engine |
| DE19719265A1 (en) * | 1997-05-07 | 1998-11-12 | Deutz Ag | Internal combustion engine with fuel pump in the crankcase |
| EP1013921A2 (en) * | 1998-12-25 | 2000-06-28 | Denso Corporation | Fuel injection pump |
| CN101680434A (en) * | 2007-06-14 | 2010-03-24 | 罗伯特·博世有限公司 | The present invention relates to a high-pressure pump for supplying fuel to an internal-combustion engine |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| IT1188325B (en) * | 1985-02-02 | 1988-01-07 | Lucas Ind Plc | LIQUID FUEL INJECTION PUMP |
| JP5002523B2 (en) * | 2008-04-25 | 2012-08-15 | 日立オートモティブシステムズ株式会社 | Fuel pressure pulsation reduction mechanism and high-pressure fuel supply pump for internal combustion engine equipped with the same |
| DE102008001572A1 (en) * | 2008-05-06 | 2009-11-12 | Robert Bosch Gmbh | Spring retaining sleeve |
-
2010
- 2010-04-21 DE DE201010028036 patent/DE102010028036A1/en not_active Withdrawn
-
2011
- 2011-04-06 EP EP11712557.5A patent/EP2561213B1/en not_active Not-in-force
- 2011-04-06 CN CN201180019860.4A patent/CN102844559B/en not_active Expired - Fee Related
- 2011-04-06 WO PCT/EP2011/055328 patent/WO2011131481A1/en active Application Filing
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2170558A (en) * | 1985-02-02 | 1986-08-06 | Lucas Ind Plc | Liquid fuel injection pump |
| US4829646A (en) * | 1985-07-20 | 1989-05-16 | Robert Bosch Gmbh | Method for mounting an injection pump on an internal combustion engine |
| DE19719265A1 (en) * | 1997-05-07 | 1998-11-12 | Deutz Ag | Internal combustion engine with fuel pump in the crankcase |
| EP1013921A2 (en) * | 1998-12-25 | 2000-06-28 | Denso Corporation | Fuel injection pump |
| CN101680434A (en) * | 2007-06-14 | 2010-03-24 | 罗伯特·博世有限公司 | The present invention relates to a high-pressure pump for supplying fuel to an internal-combustion engine |
Also Published As
| Publication number | Publication date |
|---|---|
| DE102010028036A1 (en) | 2011-10-27 |
| EP2561213B1 (en) | 2016-01-20 |
| WO2011131481A1 (en) | 2011-10-27 |
| EP2561213A1 (en) | 2013-02-27 |
| CN102844559A (en) | 2012-12-26 |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160427 Termination date: 20190406 |