CN109923314A - Screw compressor for commercial vehicle - Google Patents
Screw compressor for commercial vehicle Download PDFInfo
- Publication number
- CN109923314A CN109923314A CN201780069231.XA CN201780069231A CN109923314A CN 109923314 A CN109923314 A CN 109923314A CN 201780069231 A CN201780069231 A CN 201780069231A CN 109923314 A CN109923314 A CN 109923314A
- Authority
- CN
- China
- Prior art keywords
- oil
- air
- air discharge
- discharge duct
- screw compressor
- 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.)
- Pending
Links
- 239000003921 oil Substances 0.000 description 89
- 238000000926 separation method Methods 0.000 description 7
- 239000002245 particle Substances 0.000 description 5
- 230000006835 compression Effects 0.000 description 4
- 238000007906 compression Methods 0.000 description 4
- 239000000446 fuel Substances 0.000 description 4
- 239000012530 fluid Substances 0.000 description 3
- 230000005484 gravity Effects 0.000 description 3
- 239000010725 compressor oil Substances 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000000110 cooling liquid Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C18/00—Rotary-piston pumps specially adapted for elastic fluids
- F04C18/08—Rotary-piston pumps specially adapted for elastic fluids of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing
- F04C18/12—Rotary-piston pumps specially adapted for elastic fluids of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type
- F04C18/14—Rotary-piston pumps specially adapted for elastic fluids of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type with toothed rotary pistons
- F04C18/16—Rotary-piston pumps specially adapted for elastic fluids of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type with toothed rotary pistons with helical teeth, e.g. chevron-shaped, screw type
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C29/00—Component parts, details or accessories of pumps or pumping installations, not provided for in groups F04C18/00 - F04C28/00
- F04C29/02—Lubrication; Lubricant separation
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C29/00—Component parts, details or accessories of pumps or pumping installations, not provided for in groups F04C18/00 - F04C28/00
- F04C29/02—Lubrication; Lubricant separation
- F04C29/026—Lubricant separation
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C29/00—Component parts, details or accessories of pumps or pumping installations, not provided for in groups F04C18/00 - F04C28/00
- F04C29/12—Arrangements for admission or discharge of the working fluid, e.g. constructional features of the inlet or outlet
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C2240/00—Components
- F04C2240/30—Casings or housings
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C2240/00—Components
- F04C2240/80—Other components
- F04C2240/809—Lubricant sump
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Applications Or Details Of Rotary Compressors (AREA)
- Rotary Pumps (AREA)
- Compressor (AREA)
Abstract
For the screw compressor (10) of commercial vehicle, rotor case (20b) is included, the screw rotor (16,18) of the screw compressor (10) is provided in rotor case；Case lid (20a)；And air discharge duct (34), the air discharge duct is arranged on the outlet side of the case lid (20a) and has riser culverts (36), wherein, the air discharge duct (34) has at least one oily separating mechanism.
Description
Technical field
The present invention relates to a kind of screw compressors for commercial vehicle.
Background technique
It is known from the state of the art the screw compressor for commercial vehicle.Using such screw compressor, to mention
For for compressed air required for such as commercial vehicle braking system.
In this regard, it is known that the compressor of especially oily filling is also especially screw compressor, is made in the compressor
For task proposition, oil temperature is adjusted.This is usually accomplished in that the oil cooler outside providing, the oil of the outside
Cooler is connect with the compressor of oil filling and oil return line by thermostatic valve.Here, oil cooler is heat exchanger, the heat is handed over
There are two the circuits being separated from each other for parallel operation tool, wherein the setting of the first circuit is used for hot liquid that is, compressor oil, and second
Circuit is arranged for cooling down liquid.Air, the water mixing with antifreezing agent or another oil for example can be used as cooling liquid
Object.
Then the oil cooler must be connect with compressor oil circuit by pipeline or hose, and oil return line must assure that
It prevents from leaking.
In addition, the volume of the outside must be with oil filling, so that the total amount of oil also increases.System inertia increases as a result,.This
Outside, oil cooler must or by surrounding holding meanss or by independent holding meanss by mechanically dispose with
Fastening, this needs additional retention mechanism, it also requires installation space.
A kind of screw compressor with integrated type oil-cooling but as known to US 4,780,061.
In addition, 37 17 493A1 of DE discloses a kind of coil-type compression machine equipment being arranged in compact shell, the spiral shell
Rotary compressor equipment has oil cooler on the motor of screw compressor.
Such as via such screw compressor known to 10 2,004 060 417B4 of DE.
Summary of the invention
Therefore, task of the invention lies in advantageously develop a kind of of the type mentioned at the beginning for the spiral of commercial vehicle
Compressor is especially realized: before the fluid compressed by screw compressor, especially air reach oil eliminator
It can be carried out oil separation for the first time.
According to the present invention, the task passes through a kind of coil-type compression for commercial vehicle with claim 1 feature
Machine solves.It is arranged accordingly, the screw compressor for commercial vehicle is provided with rotor case, is arranged in the rotor case
There is the screw rod of screw compressor；And it is arranged in the air discharge duct with riser culverts of the outlet side of case lid, wherein
The air discharge duct has at least one oily separating mechanism.
The present invention is based on following basic conceptions, in screw compressor, in the outlet side of case lid and for for example pressing
The outlet side of the screw rod of contracting air or other fluids just has been carried out oil separation for the first time.The first time oil separation does not pass through
Conventional oil eliminator carries out but by air discharge duct progress, by the compressed fluid of the air discharge duct,
Especially compressed air is further led in screw compressor from rotor case or after being compressed by screw rod
Out.
It may significantly improve the efficiency of oil separation by the oil separation carried out there in air discharge duct.As a result,
Also realizing to be sized and design to oil eliminator in different ways when necessary, because before oil eliminator
Carry out oil separation for the first time.
In addition, settable, the oil separating mechanism is open with oil return.This oil return opening for example can be arranges in air
Opening in tube wall out, the oil being deposited on air discharge duct wall can be discharged by air discharge duct.
Especially settable, the inside of air discharge duct is connect by oil return opening with oil sump.It has been carried out as a result, simple
Oil return.
In addition, settable, the air discharge duct has attachment, and air discharge duct is connected using the attachment and case lid
It connects, wherein oil return opening is arranged in the region of attachment or near attachment.It is therefore feasible that oil return opening setting
For relatively direct and then case lid outlet, i.e. be arranged in installation air discharge duct position on.Accordingly, it is possible to there
Deposited oil can be directly exported from air discharge duct there.
The oil return opening can be made up of simple hole.This can be realized simple assembly and also while simply determines
Position oil return opening.
In addition, settable, the air discharge duct is at least partly conically constructed.Pass through the taper structure of air discharge duct
Make it is achievable, since gravity separates oil particles from air and prevents oil particles discharge air discharge duct.
Especially settable, the riser culverts construct upper conically in end side.Since this taper of riser culverts expands
Width can be achieved, and improve the effect for separating oil particles and droplet from air by gravity.The oil isolated as a result,
Grain falls back in air discharge duct and collects in the region near the attachment of air discharge duct and can pass through there
It is flow back into oil sump by oil return opening.
Detailed description of the invention
It is now to illustrate other details and advantage of the invention in detail by the embodiment being shown in the accompanying drawings:
Fig. 1 shows the schematic cross sectional views of screw compressor according to the invention；
Fig. 2 shows the air discharge ducts according to the rotor case of the screw compressor of Fig. 1 together with screw compressor
Three-dimensional detailed view, and
Fig. 3 shows the three-dimensional cutaway view of air discharge duct according to fig. 2.
Specific embodiment
Fig. 1 shows screw compressor 10 in schematic cross sectional views in a manner of the embodiment of the present invention.
Screw compressor 10 has mounting flange 12, for screw compressor 10 to be mechanically fixed against herein not
On the motor further shown.
However, show input shaft 14, by the input shaft, torque from motor to two screw rods 16 and 18 it
One, it is transferred on screw rod 16.
Screw rod 18 is engaged with screw rod 16 and is driven by screw rod 16.
Screw compressor 10 has shell 20, and the main component of screw compressor 10 is contained in the shell.
Shell 20 is filled with oil 22.
In air input side, the inlet porting adapter tube 24 on the shell 20 of screw compressor 10.Inlet connection 24 is herein
It is constructed so that air filter 26 is arranged on the inlet connection.In addition, being arranged on air intake adapter tube 24 radially
Air intake 28.
In region between the bonding station of inlet connection 24 and inlet connection 24 on the housing 20, it is provided with by spring
The valve inserts 30 of load, the valve inserts are embodied as axial sealer herein.
The valve inserts 30 is used as check-valves.
The downstream of valve inserts 30 is provided with air input passage 32, the air input passage by air input to this two
A screw rod 16,18.
The outlet side of the two screw rods 16,18 is provided with the air discharge duct 34 including riser culverts 36.
It is provided with temperature sensor 38 in the end regions of riser culverts 36, oil can be monitored by the temperature sensor
Temperature.
It deoils the bracket 40 of element 42 in addition, being provided in air outlet area for air.
For air deoil element bracket 40 in the state assembled in the region towards bottom (as also in Fig. 1
Illustrated in) there is air to deoil element 42.
In addition, being internally provided with corresponding screen or known filter and oil separating device what air deoiled element 42
44 (it is not further described).
About it is having assembled and operationally ready state (that is, as illustrated in fig. 1 like that) on center
In portion region, there is air outlet opening 46 for the deoil bracket of element 40 of air, the air outlet opening leads to non-return
Valve 48 and minimum pressure valve 50.Check-valves 48 and minimum pressure valve 50 can also construct in a common combination valve.
Then check-valves 48 are provided with air outlet slit 51.
Air outlet slit 51 is usually connect with corresponding known compressed air customer.
It is backed into shell 20 again in order to which the air oil 22 that is in element 42 and being separated that deoils will be in, is provided with rising
Pipeline 52, the riser culverts the bracket 40 for the element 42 that deoils for air output end into the transfer portion in shell 20
With filter and check-valves 54.
In 54 downstream of filter and check-valves, nozzle 56 is provided in housing bore.Oil leads back to pipeline 58 and is directed back to screw rod
16 or screw rod 18 substantially intermediate region in, so that oil 22 is inputed to screw rod again.
Oil drain plug 59 is provided in the bottom section in assembled state in shell 20.Pass through oil drain plug 59
Openable corresponding oil discharge outlet, oil 22 can be discharged by the oil discharge outlet.
There is also attachment 60 in the lower area of shell 20, oil screen 62 is fixed in the attachment.By setting
Oil screen access road 64 within the casing 20 is set, oil 22 is directed to thermostatic valve 66 first.
Instead of thermostatic valve 66, settable control and/or regulating device is in shell by the control and/or regulating device
The oil temperature of oil 22 in 20 can be monitored and can be adjusted to setting value.
In 66 downstream of thermostatic valve followed by the oil-in of oil screen 62, the oil-in leads back pipeline 68 by center and guides
Oil 22 is returned towards screw rod 18 or screw rod 16 again, but is also guided towards the bearing 70 of the oil lubrication of axis 14.In the region of bearing 70
In be also equipped with nozzle 72, the nozzle within the casing 20 with lead back pipeline 68 and be associatedly arranged.
Cooler 74 is engaged in attachment 60, as follows also to illustrate in detail in Fig. 2 to 4.
Safety valve 76 (about the state assembled) is in the upper area of shell 20, within the casing 20 excessive pressure
It can be lowered by the safety valve.
Bypass conduit 78 is in front of minimum pressure valve 50, and the bypass conduit leads to pressure reducing valve 80.Pass through the pressure reducing valve
80 (pressure reducing valve is steered by the connection with air transport device 32) air can be introduced back into the region of air intake 28
In.It may be provided with exhaust valve not shown further in this region and be also equipped with nozzle (the diameter reduction of intake line
Portion).
In addition, fuel level sensor 82 can be about provided in the outer wall of shell 20 in the height of pipeline 34.The oil level
Sensor 82 can be for example optical sensor and be arranged in this way and design, so that can identify that oil level by the sensor signal
Whether whether expose in the top of fuel level sensor 82 or fuel level sensor 82 in operation and thus oil level accordingly under
Drop.
Alarm unit is may also set up in conjunction with the monitoring, the alarm unit is defeated by corresponding failure message or warning message
Out or it is sent to the user of system.
The function of screw compressor 10 shown in FIG. 1 is as follows herein:
Air is inputted by air intake 28 and reaches screw rod 16,18 by check-valves 30, and air is pressed at screw rod
Contracting.Air-oil-mixture of compression passes through export pipeline 34 with the bulkfactor between 5 to 16 times after screw rod 16 and 18
Rise via tedge 36, air-oil-mixture of the compression is directly blown on temperature sensor 38.
Also partly then the air with oil particles passes through bracket 40 and is directed into air and deoils in element 42 and only
Reach corresponding minimum pressure just to reach in air discharge duct road 51.
Oil 22 in shell 20 passes through oil screen 62 and is maintained at running temperature as necessary by heat exchanger 74.
As long as not needing to cool down, does not use and disconnect heat exchanger 74 yet.
Corresponding connect is carried out by thermostatic valve 68.After the purification in oil screen 64, oil is inputted by pipeline 68
To screw rod 18 or screw rod 16, but also input to bearing 72.Screw rod 16 or screw rod 18 are supplied by leading back pipeline 52,58 with oil
22, it is purified in element 42 here, oil 22 deoils in air.
By motor not shown further, the screw rod 16 and 18 of screw compressor 10 is driven, the motor will
Its torque is transferred on screw rod 16 by axis 14, and the screw rod 16 is engaged with axis 18 again.
Ensured by pressure reducing valve 80 not shown further: for example being deposited in the outlet side of screw rod 16,18 in operating status
High pressure will not be latched in the region of intake line 32, but especially in starting compressor in intake line 32
Region in be constantly present low input pressure, especially atmospheric pressure.Otherwise, with the starting of compressor pressure very high first
Power can be generated in the outlet side of screw rod 16 and 18, and the pressure can be such that drive motor overloads.
Fig. 2 illustrates the case lid 20a of screw compressor 10 with solid, as illustrated in fig. 1 such.
The case lid 20a has outlet, and air discharge duct 34 is equipped in the outlet.
Here, the air discharge duct 34 has attachment 34a, air discharge duct 34 utilizes the attachment and case lid
20a connection.
Air discharge duct 34 also has riser culverts 36.
More specifically riser culverts 36 are conically widened in the 36a of end side region herein.
Air discharge duct 34 also has oil return opening 100 in the region of its attachment 34a.
Here, the 100 construction pore-forming of oil return opening.
The inside of air discharge duct 34 is connect by oil return opening 100 with oil sump 22a.
By broadening and the oil return opening 100 of the taper, air discharge duct 34 generally has oily separating mechanism, described
Oily separating mechanism before the air compressed by screw compressor 10 is conducted through oil eliminator for even carrying out the
Oil from.
Here, the oil separation carries out in this way, so that due to the broadening and in this region thus of the taper
The reduction of the flowing velocity of realization locates oil particles in the air stream since gravity can be fallen after rise again, is deposited on air
On wall inside discharge pipe 34 and then it can be open and 100 be flow back into oil sump 22a by oil return.
Fig. 3 shows the three-dimensional cutaway view of air discharge duct according to fig. 2.
Reference signs list
10 screw compressors
12 mounting flanges
14 input shafts
16 screw rods
18 screw rods
20 shells
20a case lid
22a oil sump
22 oil
24 inlet connections
26 air filters
28 air intakes
30 valve inserts
32 air input passages
34 air discharge ducts
34a attachment
36 riser culverts
The end side 36a region
38 temperature sensors
40 deoil the bracket of element for air
42 air deoil element
44 screens or known filter or oil separating device
46 air outlet openings
48 check-valves
50 minimum pressure valves
51 air outlet slits
52 riser culverts
54 strainer valves and check-valves
56 nozzles
58 oil lead back to pipeline
59 oil drain plugs
60 attachments
60a external rings
60b inner loop
62 oil screens
64 oil screen access roades
66 thermostatic valves
68 lead back pipeline
70 bearings
72 nozzles
76 safety valves
78 bypass lines
80 pressure reducing valves
82 fuel level sensors
100 oil returns opening
Claims (7)
1. being used for the screw compressor (10) of commercial vehicle, case lid (20a) is included, the spiral shell is provided in the case lid
The screw rod (16,18) of rotary compressor (10)；Air discharge duct (34), the air discharge duct are arranged in the case lid (20b)
On outlet side and there are riser culverts (36), wherein the air discharge duct (34) has at least one oily separating mechanism.
2. screw compressor (10) according to claim 1, which is characterized in that the oil separating mechanism is opened with oil return
Mouth (100).
3. screw compressor (10) according to claim 2, which is characterized in that the oil return opening (100) will be described
The inside of air discharge duct (34) is connect with oil sump (22a).
4. according to claim 2 or screw compressor as claimed in claim 3 (10), which is characterized in that the air discharge
Managing (34) has attachment (34a), and the air discharge duct (34) is connect using the attachment with the case lid (20a), wherein
The oil return opening (100) is arranged in the region of the attachment (34a) or near the attachment (34a).
5. the screw compressor according to one of claim 2 to 4 (10), which is characterized in that the oil return is open (100)
It is hole.
6. the screw compressor according to one of claim (10), which is characterized in that the air discharge duct (34) is extremely
Partially conically construct.
7. screw compressor (10) according to claim 6, which is characterized in that the riser culverts (36) are on end side
Conically construct.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102016011506.8 | 2016-09-21 | ||
| DE102016011506.8A DE102016011506A1 (en) | 2016-09-21 | 2016-09-21 | Screw compressor for a commercial vehicle |
| PCT/EP2017/073573 WO2018054875A1 (en) | 2016-09-21 | 2017-09-19 | Screw compressor for a utility vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109923314A true CN109923314A (en) | 2019-06-21 |
Family
ID=59969134
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201780069231.XA Pending CN109923314A (en) | 2016-09-21 | 2017-09-19 | Screw compressor for commercial vehicle |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US20190309747A1 (en) |
| EP (1) | EP3516235A1 (en) |
| JP (1) | JP2019529804A (en) |
| KR (1) | KR20190047064A (en) |
| CN (1) | CN109923314A (en) |
| BR (1) | BR112019005071A2 (en) |
| DE (1) | DE102016011506A1 (en) |
| WO (1) | WO2018054875A1 (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63306288A (en) * | 1987-06-05 | 1988-12-14 | Mitsubishi Heavy Ind Ltd | Compressor |
| JPH08219024A (en) * | 1995-02-14 | 1996-08-27 | Iwata Air Compressor Mfg Co Ltd | Drain eliminating method for oil-cooled compressor and device therefor |
| JPH11303779A (en) * | 1998-04-20 | 1999-11-02 | Fujitsu General Ltd | Hermetic compressor |
| US6364645B1 (en) * | 1998-10-06 | 2002-04-02 | Bitzer Kuehlmaschinenbau Gmbh | Screw compressor having a compressor screw housing and a spaced outer housing |
| CN101163888A (en) * | 2005-03-09 | 2008-04-16 | 克诺尔-布里姆斯轨道车辆系统有限公司 | Oil-injected compressor with a temperature switch |
| CN101426677A (en) * | 2006-03-08 | 2009-05-06 | 克诺尔-布里姆斯轨道车辆系统有限公司 | Compressor assembly |
| CN203067284U (en) * | 2012-02-28 | 2013-07-17 | 阿特拉斯·科普柯空气动力股份有限公司 | Compressor equipment |
| CN103206359A (en) * | 2012-01-11 | 2013-07-17 | 丹佛斯商用压缩机有限公司 | Compression device, and a thermodynamic system comprising such a compression device |
| DE102014118266B3 (en) * | 2014-12-10 | 2016-06-02 | Knorr-Bremse Systeme für Schienenfahrzeuge GmbH | Compressor device with separate air de-oiling element |
| CN105793573A (en) * | 2013-12-12 | 2016-07-20 | Gea制冷德国公司 | Compressor |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4748873A (en) | 1986-05-23 | 1988-06-07 | Raymond Engineering Inc. | Power wrench |
| US4780061A (en) | 1987-08-06 | 1988-10-25 | American Standard Inc. | Screw compressor with integral oil cooling |
| DE102004060417B4 (en) | 2004-12-14 | 2006-10-26 | Knorr-Bremse Systeme für Schienenfahrzeuge GmbH | Compact screw compressor for mobile use in a vehicle |
-
2016
- 2016-09-21 DE DE102016011506.8A patent/DE102016011506A1/en not_active Ceased
-
2017
- 2017-09-19 US US16/333,574 patent/US20190309747A1/en not_active Abandoned
- 2017-09-19 KR KR1020197010894A patent/KR20190047064A/en not_active Application Discontinuation
- 2017-09-19 JP JP2019536677A patent/JP2019529804A/en active Pending
- 2017-09-19 CN CN201780069231.XA patent/CN109923314A/en active Pending
- 2017-09-19 EP EP17772657.7A patent/EP3516235A1/en not_active Withdrawn
- 2017-09-19 WO PCT/EP2017/073573 patent/WO2018054875A1/en unknown
- 2017-09-19 BR BR112019005071A patent/BR112019005071A2/en not_active IP Right Cessation
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63306288A (en) * | 1987-06-05 | 1988-12-14 | Mitsubishi Heavy Ind Ltd | Compressor |
| JPH08219024A (en) * | 1995-02-14 | 1996-08-27 | Iwata Air Compressor Mfg Co Ltd | Drain eliminating method for oil-cooled compressor and device therefor |
| JPH11303779A (en) * | 1998-04-20 | 1999-11-02 | Fujitsu General Ltd | Hermetic compressor |
| US6364645B1 (en) * | 1998-10-06 | 2002-04-02 | Bitzer Kuehlmaschinenbau Gmbh | Screw compressor having a compressor screw housing and a spaced outer housing |
| CN101163888A (en) * | 2005-03-09 | 2008-04-16 | 克诺尔-布里姆斯轨道车辆系统有限公司 | Oil-injected compressor with a temperature switch |
| CN101426677A (en) * | 2006-03-08 | 2009-05-06 | 克诺尔-布里姆斯轨道车辆系统有限公司 | Compressor assembly |
| CN103206359A (en) * | 2012-01-11 | 2013-07-17 | 丹佛斯商用压缩机有限公司 | Compression device, and a thermodynamic system comprising such a compression device |
| CN203067284U (en) * | 2012-02-28 | 2013-07-17 | 阿特拉斯·科普柯空气动力股份有限公司 | Compressor equipment |
| CN105793573A (en) * | 2013-12-12 | 2016-07-20 | Gea制冷德国公司 | Compressor |
| DE102014118266B3 (en) * | 2014-12-10 | 2016-06-02 | Knorr-Bremse Systeme für Schienenfahrzeuge GmbH | Compressor device with separate air de-oiling element |
Also Published As
| Publication number | Publication date |
|---|---|
| KR20190047064A (en) | 2019-05-07 |
| BR112019005071A2 (en) | 2019-06-04 |
| US20190309747A1 (en) | 2019-10-10 |
| JP2019529804A (en) | 2019-10-17 |
| WO2018054875A1 (en) | 2018-03-29 |
| DE102016011506A1 (en) | 2018-03-22 |
| EP3516235A1 (en) | 2019-07-31 |
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