WO2000012889A1 - Ventil zum dosierten einleiten von verflüchtigtem brennstoff - Google Patents
Ventil zum dosierten einleiten von verflüchtigtem brennstoff Download PDFInfo
- Publication number
- WO2000012889A1 WO2000012889A1 PCT/DE1999/001104 DE9901104W WO0012889A1 WO 2000012889 A1 WO2000012889 A1 WO 2000012889A1 DE 9901104 W DE9901104 W DE 9901104W WO 0012889 A1 WO0012889 A1 WO 0012889A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- valve
- connection
- housing
- housing part
- combustion engine
- Prior art date
Links
Classifications
-
- 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
- F02M25/00—Engine-pertinent apparatus for adding non-fuel substances or small quantities of secondary fuel to combustion-air, main fuel or fuel-air mixture
- F02M25/08—Engine-pertinent apparatus for adding non-fuel substances or small quantities of secondary fuel to combustion-air, main fuel or fuel-air mixture adding fuel vapours drawn from engine fuel reservoir
-
- 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
- F02M25/00—Engine-pertinent apparatus for adding non-fuel substances or small quantities of secondary fuel to combustion-air, main fuel or fuel-air mixture
- F02M25/08—Engine-pertinent apparatus for adding non-fuel substances or small quantities of secondary fuel to combustion-air, main fuel or fuel-air mixture adding fuel vapours drawn from engine fuel reservoir
- F02M25/0836—Arrangement of valves controlling the admission of fuel vapour to an engine, e.g. valve being disposed between fuel tank or absorption canister and intake manifold
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T137/00—Fluid handling
- Y10T137/794—With means for separating solid material from the fluid
- Y10T137/8122—Planar strainer normal to flow path
Definitions
- the invention relates to a valve for the metered introduction of fuel volatilized from a fuel tank of an internal combustion engine into the internal combustion engine according to the preamble of claim 1.
- Such a valve can be seen, for example, from DE 195 33 742 AI and from unpublished DE 197 21 562.9.
- valves are used to regenerate adsorption filters for fuel evaporation retention systems in vehicle fuel tanks. Since such adsorption filters contain activated carbon particles, the valve can become dirty during flushing due to detached and sucked-in activated carbon particles.
- the object of the invention is to develop a valve of the generic type in such a way that, with a high degree of variability in terms of its connections and holders, it is as insensitive to dirt as possible and thereby permits high maximum flushing quantities.
- the modularity of the valve is increased, and on the other hand the manufacturability is significantly simplified. Due to this two-part design, it is possible to make type-specific differences such as holders, connections and the like. only at the end of valve manufacture by attaching the second part. It is also of great advantage that the first part is closed on the inflow side by a protective screen. This prevents contamination of the valve, and the protective screen can occupy the entire upstream end face of the first housing part.
- the two housing parts are releasably connected to one another.
- This exemplary embodiment has the particular advantage that, for example, if the protective screen is clogged, the housing can be opened and the protective screen replaced in a simple manner.
- the connection can preferably be realized by a bayonet connection. It goes without saying that other detachable connections are also possible.
- the two housing parts are permanently connected to one another.
- a latching connection can advantageously be used both for realizing a permanent connection and for realizing a releasable connection.
- the latching elements are designed in such a way that they are destroyed when they are released.
- a detachable snap connection can be released with a suitable tool.
- the protective screen is welded to the first housing part.
- Another embodiment provides that the protective screen is releasably attached to the first housing part. This embodiment offers the advantage in particular that the protective screen is easy to replace.
- FIG. 1 schematically shows a longitudinal section through a valve according to the invention
- Fig. 2 is a section along the line I-I in Fig. 1 and
- Fig. 3 is an end view of a valve seat body.
- the valve 1 shown in FIGS. 1 and 2 in longitudinal sectional views serves for the metered introduction of fuel volatilized from a fuel tank of an internal combustion engine (not shown) into the internal combustion engine, for example into an intake manifold or, in the case of direct petrol injection, directly into a cylinder of the internal combustion engine Part of a fuel evaporation retention system, not shown, of a mixture-compressing, spark-ignited internal combustion engine.
- a fuel evaporation retention system not shown, of a mixture-compressing, spark-ignited internal combustion engine.
- valve 1 which is also referred to as a regeneration valve or tank ventilation valve, is known from DE 195 33 742 AI and in particular from DE 197 21 562.9, the disclosure of which is to be incorporated into the present patent application.
- the valve has a two-part valve housing coaxial with a longitudinal valve axis 2, in the first housing part 8 of which an electromagnet 12 is arranged.
- the electromagnet 12 has a pot-shaped magnet housing 14, the bottom of which penetrates a coaxial hollow cylindrical magnetic core 15 which is surrounded by a cylindrical excitation coil 16, which in turn is arranged on a coil carrier 17.
- the magnet housing 14 is closed on its upper side by a bow-shaped valve seat body 31.
- the valve seat body 31 forms the yoke of the electromagnet 12.
- the valve seat body 31 covers the magnet housing and is fastened to the magnet housing by means of at least two fitting holes 47 shown in FIG. 3.
- a valve member 36 made of magnetic material also forms the armature of the electromagnet 12.
- the valve member 36 is acted upon by a valve closing spring 43 in the valve closing direction in the direction of an outflow connector 10, which is supported on the one hand on the valve member 36 and on the other hand on a sleeve-shaped end of the magnetic core 15.
- the valve member carries on its side facing the valve seat body 31 a sealing element made of elastic material, e.g. Elastomer.
- the sealing element 42 also lines the through opening 38 and projects somewhat beyond a side of the valve member 36 which faces away from the two valve openings 34 in the valve seat body 31.
- valve closing spring 43 presses the valve member 36 with the sealing element 42 onto the valve seat body 31 and closes it thus the valve opening 34.
- the valve member 36 with its sealing element protruding from the through opening 38 is pressed against the end of the magnetic core 15, which forms a stop for the stroke movement of the valve member 36.
- the stop can be implemented, for example, by adjusting, for example, a thread arranged on the magnetic core 15, which engages in a corresponding complementary thread provided on the magnet housing 14.
- a protective screen 70 is arranged on the first housing part 8 on its side facing the inflow connection piece 13 and covers the upstream end face of the first housing part 8.
- This protective screen prevents, for example, that carbon particles from the activated carbon filter can get into the interior of the first housing part 8 and damage the valve.
- the large-area design of the protective screen 70 is particularly advantageous since there is practically no restriction on the flow behavior of the valve.
- the protective screen 70 can, for example, be fastened to the first housing part 8 by a welded connection or another permanent connection, but it can also be detachably fastened to the housing. This embodiment is particularly advantageous with regard to replacing the protective screen 70 or a filter which is arranged instead of the protective screen 70.
- the second housing part 9, on which the inflow connector 13 is formed, is fastened to the first housing part 8 by a latching connection 80.
- a sealing element 82 for example an O-ring seal, is arranged between the second housing part 9 and the first housing part 8.
- a bayonet connection is also conceivable, for example, which allows the housing to be opened easily, e.g. allows to replace the protective screen 70.
- the two-part design of the housing also has great advantages, particularly with regard to the manufacturability of the valve 1.
- the first housing part 8 can first be completed together with the electromagnetically actuated valve. Only then is adapted to an installation situation, the second housing part 9 is fastened to the inflow nozzle 13 on the first housing part 8.
- Type-specific differences such as holders, connections and the like. are provided on the second housing part 9 and only have to be produced at the end of valve manufacture by fastening the second housing part 9 to the first housing part 8.
- the outflow nozzle 10 has a convergent part 56 and a divergent part 57 and thus forms a Laval nozzle which extends downstream from a first inlet cross section 60 in the vicinity of the valve seat body. pers 31 tapered to a narrowest cross-section 61, in order to then expand from this narrowest cross-section 61 to an end cross-section 62 at the downstream end. 'It is provided that the inlet cross-section 60 at least equal to or greater than the end section 62.
- the inlet cross-section is preferably 1.1 to 2 times greater than the final cross-section 62.
- the narrowest cross section 61 is preferably 2 to 4 times smaller formed as the inlet cross-section 60.
- the length of the Laval nozzle measured between the inlet cross-section 60 and the end cross-section 62 is, for example, 3 to 5 times larger than a diameter at the inlet cross-section 60. It is provided that the side of the valve seat body 31 which is opposite the inlet cross-section 60 has a distance to the inlet side of the outflow nozzle 10 in the direction of the longitudinal valve axis 2, so that between the inlet side of the outflow nozzle 10 and a sealing ring 51 which seals an outer annular space between the valve seat body 31 and the ring housing part on which the outflow nozzle 10 is arranged, is formed that is perpendicular to the longitudinal valve axis se 2 has at least one lateral extent which is as large as the diameter of the inlet cross section 60 and into which the valve openings 34 open.
- the annular gap geometry 34 of this valve is chosen so that the valve can also be used in a tank ventilation system of a gasoline direct injection internal combustion engine. In such an internal combustion engine, a higher maximum quantity is required with the accuracy of the small quantities remaining the same. This is done by adjusting the ring gap geometry of the Valve seat body 31 allows.
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Magnetically Actuated Valves (AREA)
- Lift Valve (AREA)
- Cooling, Air Intake And Gas Exhaust, And Fuel Tank Arrangements In Propulsion Units (AREA)
- Supplying Secondary Fuel Or The Like To Fuel, Air Or Fuel-Air Mixtures (AREA)
Abstract
Description
Claims
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE59911329T DE59911329D1 (de) | 1998-08-29 | 1999-04-13 | Ventil zum dosierten einleiten von verflüchtigtem brennstoff |
EP99927656A EP1056945B1 (de) | 1998-08-29 | 1999-04-13 | Ventil zum dosierten einleiten von verflüchtigtem brennstoff |
KR1020007004451A KR20010031422A (ko) | 1998-08-29 | 1999-04-13 | 휘발된 연료의 계량된 양을 도입하기 위한 밸브 |
US09/530,417 US6253789B1 (en) | 1998-08-29 | 1999-04-13 | Valve for metered introduction of volatilized fuel |
JP2000567842A JP2002523680A (ja) | 1998-08-29 | 1999-04-13 | 蒸発した燃料を調量して導入するための弁 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE1998139476 DE19839476A1 (de) | 1998-08-29 | 1998-08-29 | Ventil zum dosierten Einleiten von verflüchtigtem Brennstoff |
DE19839476.4 | 1998-08-29 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2000012889A1 true WO2000012889A1 (de) | 2000-03-09 |
Family
ID=7879207
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/DE1999/001104 WO2000012889A1 (de) | 1998-08-29 | 1999-04-13 | Ventil zum dosierten einleiten von verflüchtigtem brennstoff |
Country Status (6)
Country | Link |
---|---|
US (1) | US6253789B1 (de) |
EP (1) | EP1056945B1 (de) |
JP (1) | JP2002523680A (de) |
KR (1) | KR20010031422A (de) |
DE (2) | DE19839476A1 (de) |
WO (1) | WO2000012889A1 (de) |
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2815692A1 (fr) * | 2000-10-20 | 2002-04-26 | Bitron Ind Espana Sa | Electrovanne de regulation de debit d'air |
US8187758B2 (en) * | 2005-08-11 | 2012-05-29 | Ardica Technologies Inc. | Fuel cell apparatus with a split pump |
US8741004B2 (en) | 2009-07-23 | 2014-06-03 | Intelligent Energy Limited | Cartridge for controlled production of hydrogen |
US8940458B2 (en) | 2010-10-20 | 2015-01-27 | Intelligent Energy Limited | Fuel supply for a fuel cell |
US9169976B2 (en) | 2011-11-21 | 2015-10-27 | Ardica Technologies, Inc. | Method of manufacture of a metal hydride fuel supply |
US9403679B2 (en) | 2009-07-23 | 2016-08-02 | Intelligent Energy Limited | Hydrogen generator and product conditioning method |
US9515336B2 (en) | 2005-08-11 | 2016-12-06 | Intelligent Energy Limited | Diaphragm pump for a fuel cell system |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19935261A1 (de) * | 1999-07-27 | 2001-02-01 | Bosch Gmbh Robert | Ventil zum dosierten Einleiten von verflüchtigtem Brennstoff in einen Ansaugkanal einer Brennkraftmaschine |
JP2005155712A (ja) * | 2003-11-21 | 2005-06-16 | Mitsubishi Electric Corp | 電磁弁 |
DE102004033280A1 (de) * | 2004-07-09 | 2006-02-02 | Robert Bosch Gmbh | Einspritzventil zur Kraftstoffeinspritzung |
FR2877708B1 (fr) * | 2004-11-09 | 2008-04-18 | Johnson Contr Automotive Elect | Vanne ayant un corps integrant un filtre |
US20080000456A1 (en) * | 2006-06-30 | 2008-01-03 | Siemens Canada Limited | Cost-optimized canister purge valve |
DE102007005488B4 (de) * | 2006-12-15 | 2014-05-08 | Eagle Actuator Components Gmbh & Co. Kg | Ventil mit beweglicher Venturidüse |
WO2008148692A1 (de) * | 2007-06-05 | 2008-12-11 | Robert Bosch Gmbh | Magnetventilkopf eines magnetventils |
US8261741B2 (en) * | 2007-11-05 | 2012-09-11 | Resmed Limited | Method and apparatus for backspill prevention |
US9206771B2 (en) | 2011-06-16 | 2015-12-08 | Continental Automotive Systems, Inc. | Canister purge valve with modular lower body having integral check valves |
TWM443100U (en) * | 2012-06-04 | 2012-12-11 | Xiamen Koge Micro Tech Co Ltd | Electromagnetic pressure relief valve |
JP6176215B2 (ja) * | 2014-09-25 | 2017-08-09 | 株式会社デンソー | 二段切替弁 |
US10941538B2 (en) * | 2018-04-13 | 2021-03-09 | Hohhot Sifang Engineering Quality Testing Center | Hammering system with electromagnetic power for dynamic pile testing |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5203617A (en) * | 1991-01-30 | 1993-04-20 | Robert Bosch Gmbh | Electromagnetically-actuated 2/2-way valve, for hydraulic motor vehicle brake systems having an anti-skid and traction control apparatus |
DE19516545A1 (de) * | 1995-05-05 | 1996-11-07 | Bosch Gmbh Robert | Ventil zum dosierten Einleiten von verflüchtigtem Brennstoff |
DE19631631A1 (de) * | 1995-08-04 | 1997-02-06 | Aisin Aw Co | Elektromagnetisches Ventil |
DE19533742A1 (de) * | 1995-09-12 | 1997-03-13 | Bosch Gmbh Robert | Adsorptionsfilter für ein Brennstoffverdunstungs-Rückhaltesystem eines Brennstofftanks einer Brennkraftmaschine |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5843626Y2 (ja) * | 1978-07-25 | 1983-10-03 | アイシン精機株式会社 | 集積型バルブセツト装置 |
DE3305039A1 (de) * | 1983-02-14 | 1984-08-16 | Robert Bosch Gmbh, 7000 Stuttgart | Elektromagnetisch betaetigbares ventil |
DE3938136A1 (de) * | 1989-11-16 | 1991-05-23 | Bosch Gmbh Robert | Elektromagnetisch betaetigbares ventil |
DE4023044A1 (de) * | 1990-07-20 | 1992-01-23 | Bosch Gmbh Robert | Ventil zum dosierten zumischen von verfluechtigtem kraftstoff zum kraftstoffluftgemisch einer brennkraftmaschine |
DE4244113A1 (de) * | 1992-12-24 | 1994-06-30 | Bosch Gmbh Robert | Ventil zum dosierten Einleiten von verflüchtigtem Brennstoff in einen Ansaugkanal einer Brennkraftmaschine |
DE19721562A1 (de) * | 1997-05-23 | 1998-11-26 | Bosch Gmbh Robert | Ventil zum dosierten Einleiten von verflüchtigtem Brennstoff |
-
1998
- 1998-08-29 DE DE1998139476 patent/DE19839476A1/de not_active Withdrawn
-
1999
- 1999-04-13 JP JP2000567842A patent/JP2002523680A/ja active Pending
- 1999-04-13 EP EP99927656A patent/EP1056945B1/de not_active Expired - Lifetime
- 1999-04-13 DE DE59911329T patent/DE59911329D1/de not_active Expired - Fee Related
- 1999-04-13 WO PCT/DE1999/001104 patent/WO2000012889A1/de not_active Application Discontinuation
- 1999-04-13 KR KR1020007004451A patent/KR20010031422A/ko not_active Application Discontinuation
- 1999-04-13 US US09/530,417 patent/US6253789B1/en not_active Expired - Fee Related
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5203617A (en) * | 1991-01-30 | 1993-04-20 | Robert Bosch Gmbh | Electromagnetically-actuated 2/2-way valve, for hydraulic motor vehicle brake systems having an anti-skid and traction control apparatus |
DE19516545A1 (de) * | 1995-05-05 | 1996-11-07 | Bosch Gmbh Robert | Ventil zum dosierten Einleiten von verflüchtigtem Brennstoff |
DE19631631A1 (de) * | 1995-08-04 | 1997-02-06 | Aisin Aw Co | Elektromagnetisches Ventil |
DE19533742A1 (de) * | 1995-09-12 | 1997-03-13 | Bosch Gmbh Robert | Adsorptionsfilter für ein Brennstoffverdunstungs-Rückhaltesystem eines Brennstofftanks einer Brennkraftmaschine |
Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2815692A1 (fr) * | 2000-10-20 | 2002-04-26 | Bitron Ind Espana Sa | Electrovanne de regulation de debit d'air |
US8187758B2 (en) * | 2005-08-11 | 2012-05-29 | Ardica Technologies Inc. | Fuel cell apparatus with a split pump |
US9515336B2 (en) | 2005-08-11 | 2016-12-06 | Intelligent Energy Limited | Diaphragm pump for a fuel cell system |
US8741004B2 (en) | 2009-07-23 | 2014-06-03 | Intelligent Energy Limited | Cartridge for controlled production of hydrogen |
US9403679B2 (en) | 2009-07-23 | 2016-08-02 | Intelligent Energy Limited | Hydrogen generator and product conditioning method |
US9409772B2 (en) | 2009-07-23 | 2016-08-09 | Intelligent Energy Limited | Cartridge for controlled production of hydrogen |
US8940458B2 (en) | 2010-10-20 | 2015-01-27 | Intelligent Energy Limited | Fuel supply for a fuel cell |
US9774051B2 (en) | 2010-10-20 | 2017-09-26 | Intelligent Energy Limited | Fuel supply for a fuel cell |
US9169976B2 (en) | 2011-11-21 | 2015-10-27 | Ardica Technologies, Inc. | Method of manufacture of a metal hydride fuel supply |
Also Published As
Publication number | Publication date |
---|---|
KR20010031422A (ko) | 2001-04-16 |
JP2002523680A (ja) | 2002-07-30 |
EP1056945A1 (de) | 2000-12-06 |
DE19839476A1 (de) | 2000-03-02 |
US6253789B1 (en) | 2001-07-03 |
DE59911329D1 (de) | 2005-01-27 |
EP1056945B1 (de) | 2004-12-22 |
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