EP0516632B1 - Elektromagnetisch betätigbares ventil - Google Patents
Elektromagnetisch betätigbares ventil Download PDFInfo
- Publication number
- EP0516632B1 EP0516632B1 EP91902270A EP91902270A EP0516632B1 EP 0516632 B1 EP0516632 B1 EP 0516632B1 EP 91902270 A EP91902270 A EP 91902270A EP 91902270 A EP91902270 A EP 91902270A EP 0516632 B1 EP0516632 B1 EP 0516632B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- valve
- housing shell
- core
- connecting part
- 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 - Lifetime
Links
Images
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
- F02M51/00—Fuel-injection apparatus characterised by being operated electrically
- F02M51/06—Injectors peculiar thereto with means directly operating the valve needle
- F02M51/061—Injectors peculiar thereto with means directly operating the valve needle using electromagnetic operating means
- F02M51/0614—Injectors peculiar thereto with means directly operating the valve needle using electromagnetic operating means characterised by arrangement of electromagnets or fixed armature
-
- 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
- F02M51/00—Fuel-injection apparatus characterised by being operated electrically
- F02M51/06—Injectors peculiar thereto with means directly operating the valve needle
- F02M51/061—Injectors peculiar thereto with means directly operating the valve needle using electromagnetic operating means
- F02M51/0625—Injectors peculiar thereto with means directly operating the valve needle using electromagnetic operating means characterised by arrangement of mobile armatures
- F02M51/0664—Injectors peculiar thereto with means directly operating the valve needle using electromagnetic operating means characterised by arrangement of mobile armatures having a cylindrically or partly cylindrically shaped armature, e.g. entering the winding; having a plate-shaped or undulated armature entering the winding
- F02M51/0671—Injectors peculiar thereto with means directly operating the valve needle using electromagnetic operating means characterised by arrangement of mobile armatures having a cylindrically or partly cylindrically shaped armature, e.g. entering the winding; having a plate-shaped or undulated armature entering the winding the armature having an elongated valve body attached thereto
- F02M51/0682—Injectors peculiar thereto with means directly operating the valve needle using electromagnetic operating means characterised by arrangement of mobile armatures having a cylindrically or partly cylindrically shaped armature, e.g. entering the winding; having a plate-shaped or undulated armature entering the winding the armature having an elongated valve body attached thereto the body being hollow and its interior communicating with the fuel flow
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F7/00—Magnets
- H01F7/06—Electromagnets; Actuators including electromagnets
- H01F7/08—Electromagnets; Actuators including electromagnets with armatures
Definitions
- the invention is based on an electromagnetically actuated valve according to the preamble of patent claim 1.
- Such an electromagnetically actuated valve is already known (DE-A-38 25 135), but in which the solenoid coil only partially covers at least one of its circumference Guide the magnetic field lines serving bow-shaped guide element is surrounded.
- plastic material of a plastic extrusion coating is located in a gap formed between the magnet coil and the guide element.
- the unfavorably designed magnetic field causes a high magnetic leakage flux and thus a high energy expenditure to open the valve.
- the central fuel supply in connection with the angled electrical connector prevents the contacting of several valves by means of a common connector strip and the series connection of several valves arranged one behind the other.
- the valve according to the invention with the characterizing features of claim 1 has the advantage of a compact valve with a compact magnetic circuit.
- a short way of the magnetic Field-forming closed field lines and the enveloping housing jacket reduce the magnetic leakage flux and thus increase the ratio between useful flow and leakage flow which is decisive for the energy to be used, so that less energy is required to open the valve.
- the housing jacket enables a compact and simple design of the valve and thus also an inexpensive assembly during manufacture. It is particularly advantageous if the metal housing jacket is tightly connected to the connecting part by welding, because at the same time the necessary seal is formed between the housing jacket and the connecting part.
- the housing jacket has an outwardly facing housing shoulder which, together with an end face of the plastic casing facing in the direction of the housing shoulder, forms the side faces of an annular groove, the groove base of which is formed by the circumference of the housing jacket.
- the housing shoulder prevents a sealing ring mounted on the circumference of the housing jacket from remaining in this receptacle when the valve is removed from a valve receptacle.
- an annular groove is provided on the circumference of the housing shell, the radially extending side surfaces of which face an end face of the plastic sheathing pointing in the direction of the armature and an end face of a pull ring drawn onto the housing shell and the bottom of the groove is formed by the circumference of the housing shell.
- At least one radial transverse opening serving to feed the fuel is formed between an upper sealing ring on the housing jacket and a lower sealing ring on the connecting part, said radial opening being in communication with a valve space extending to the valve seat.
- the side fuel supply and the axially arranged electrical connector allow a series flushing of several valves arranged in series with the fuel, the full integration of several valves in receptacles of the intake manifold of the internal combustion engine and the common contacting by means of a common connector strip.
- the electromagnetically actuated valve shown in the drawing for example, in the form of an injection valve for fuel injection systems of internal combustion engines has a hollow core 1, which has a coil former 7 which is stepped in the radial direction and is provided with a winding which is stepped in the radial direction Magnetic coil 2 partially surrounds.
- a hollow intermediate part 6 is tightly connected thereto by welding, concentrically with a valve longitudinal axis 5.
- the intermediate part 6 is tightly welded to a tubular, cylindrical connecting part 8.
- the lining up of core 1, intermediate part 6 and connecting part 8 thus represents a rigid metal unit.
- a ball element 25 In the direction of the longitudinal axis 5 of the valve, a ball element 25, preferably having a hardened surface, is pressed into a core bore 17 of the core 1, the press-in depth of which determines the spring force of a return spring 26, which rests directly on the ball element 25.
- the return spring 26 With its end facing away from the ball element 25, the return spring 26 is supported on an end face of a connecting tube 11, which is connected at its end facing the core 1 to an armature 12, which at the same time serves as a radial guide for the return spring 26, by welding.
- a valve-closing body 10 designed as a ball is fastened by welding and cooperates with a fixed valve seat 15.
- a valve seat body 14 having the fixed valve seat 15 is tightly connected to the connecting part 8 by welding. At least one spray orifice 18 is formed in the valve seat body 14 downstream of the conical valve seat 15.
- the housing shell 3 is at its upper end 35 with the core 1 by welding at least in places and at its lower end End 36 tightly connected to the connecting part 8 by welding.
- the housing jacket 3 is designed such that its upper end 35 fits tightly against the core 1 and with its lower end 36 against the connecting part 8.
- the magnetic coil 2 extends radially outward around a bottom 37 of the housing shell 3 to the larger-diameter cylindrical shell part 38 with the lower end 36.
- the connecting part 8 has in the illustrated embodiment between an upper sealing ring 39 on the casing part 38 of the housing shell 3 and a lower sealing ring 40 on the connecting part 8 at least one radial cross opening 20 serving the fuel inlet, which with the valve seat 15 reaching valve chamber 16 inside the Connection part 8 is connected.
- the transverse opening 20 is formed in the connecting part 8, but it can also run at the level of the jacket part 38.
- a carrier ring 32 is held, which has a fuel filter 33, through which fuel can flow to the transverse opening 20.
- the coil body 7 of the magnet coil 2 is produced by a plastic extrusion coating, by means of which the electrical connecting plugs 30 required for contacting the magnet coil 2 are also molded on, so that an independent plastic injection molding is formed.
- This plastic injection molded part is inserted into the housing shell 3 in such a way that it bears against the bottom 37 and the connecting plugs 30 protrude outward through through openings 45 in the bottom 37 approximately parallel to the longitudinal valve axis 5 in the direction of the upper end 35.
- the core bore 17 is closed at its end facing away from the valve closing body 10 by a plastic plug 31, so that when a plastic jacket 22 is injected, which surrounds the end of the valve facing away from the valve seat body 14 at the bottom 37 and part of the connector plug 30, no liquid plastic into the Core hole 17 can reach.
- the plastic sheath 22 extends radially beyond the bottom 37.
- the core bore 17 is sealed off from the fuel located in the valve interior by means of the spherical element 25 pressed into the core bore 17.
- An annular groove 47 is provided on the circumference of the casing part 38 of the housing casing 3, the radially extending side surfaces of which are directed through the end face 49 of the plastic casing 22 pointing in the direction of the armature and the end face of a pull ring 23 which is drawn onto the casing part 38 and which, for example, has an L-shaped cross-sectional shape has, and the groove bottom is formed by the circumference of the jacket part 38.
- the pull ring 23 ensures when removing the valve from a receptacle (not shown) in the intake manifold of an internal combustion engine that an upper sealing ring 39 mounted in the annular groove largely maintains its axial position on the circumference of the casing part 38 and does not remain in the intake manifold receptacle.
- the casing part 38 has a dashed, outwardly facing housing shoulder 48 which, together with the end face of the plastic casing 22 pointing in the direction of the casing shoulder 48, forms the side faces of the annular groove 47, the groove base of which through the circumference of the casing part 38 is formed.
- This solution also results in that an upper sealing ring 39 mounted on the circumference of the jacket part 38 does not remain in this receptacle when the valve is removed from a receptacle of the intake manifold.
- the lower sealing ring 40 is held on the connecting part 8 in a lower annular groove 50, which is delimited by two shoulders 51, 52 of the connecting part 8 which run radially outward from one another.
- the armature 12 is guided in a slide opening 54 of the intermediate part 6, while the valve closing body 10 is slidably mounted in a guide opening 55 of the valve seat body 14.
- valves according to the invention allow a series flushing of several valves arranged one behind the other and their common electrical contacting by means of a common plug connector.
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Fuel-Injection Apparatus (AREA)
- Magnetically Actuated Valves (AREA)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE4003229 | 1990-02-03 | ||
DE4003229A DE4003229A1 (de) | 1990-02-03 | 1990-02-03 | Elektromagnetisch betaetigbares ventil |
PCT/DE1991/000052 WO1991011605A2 (de) | 1990-02-03 | 1991-01-21 | Elektromagnetisch betätigbares ventil |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0516632A1 EP0516632A1 (de) | 1992-12-09 |
EP0516632B1 true EP0516632B1 (de) | 1994-08-24 |
Family
ID=6399370
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP91902270A Expired - Lifetime EP0516632B1 (de) | 1990-02-03 | 1991-01-21 | Elektromagnetisch betätigbares ventil |
Country Status (9)
Country | Link |
---|---|
US (1) | US5330153A (ja) |
EP (1) | EP0516632B1 (ja) |
JP (1) | JP3262793B2 (ja) |
KR (1) | KR100195822B1 (ja) |
BR (1) | BR9105982A (ja) |
DE (2) | DE4003229A1 (ja) |
ES (1) | ES2061230T3 (ja) |
RU (1) | RU2047034C1 (ja) |
WO (1) | WO1991011605A2 (ja) |
Families Citing this family (31)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
IT1250846B (it) * | 1991-10-11 | 1995-04-21 | Weber Srl | Valvola dosatrice e polverizzatrice di carburante ad azionamento elettromagnetico avente dimensioni molto ridotte |
DE4201401A1 (de) * | 1992-01-21 | 1993-07-22 | Bosch Gmbh Robert | Foerderaggregat |
DE4325842A1 (de) * | 1993-07-31 | 1995-02-02 | Bosch Gmbh Robert | Brennstoffeinspritzventil |
ES2106667B1 (es) * | 1994-01-15 | 1998-05-16 | Fichtel & Sachs Ag | Instalacion de accionamiento de valvula, en particular para un amortiguador de vibraciones. |
US6811779B2 (en) | 1994-02-10 | 2004-11-02 | Imclone Systems Incorporated | Methods for reducing tumor growth with VEGF receptor antibody combined with radiation and chemotherapy |
JPH08189439A (ja) * | 1994-12-28 | 1996-07-23 | Zexel Corp | 電磁式燃料噴射弁およびそのノズルアッシィ組付け方法 |
US5577663A (en) * | 1995-05-19 | 1996-11-26 | Siemens Automotive Corporation | Bottom feed injector with top calibration feed |
US5769328A (en) * | 1995-12-26 | 1998-06-23 | General Motors Corporation | Fuel interconnect for fuel injector |
JPH1047199A (ja) * | 1996-07-31 | 1998-02-17 | Mitsubishi Electric Corp | 筒内噴射用燃料噴射弁 |
DE19631066A1 (de) * | 1996-08-01 | 1998-02-05 | Bosch Gmbh Robert | Brennstoffeinspritzventil |
KR100472873B1 (ko) * | 1997-01-14 | 2005-04-19 | 로베르트 보쉬 게엠베하 | 연료분사기용전자계량밸브 |
DE19712922B4 (de) * | 1997-03-27 | 2005-08-11 | Robert Bosch Gmbh | Brennstoffeinspritzventil |
US6198369B1 (en) * | 1998-12-04 | 2001-03-06 | Tlx Technologies | Proportional actuator for proportional control devices |
US6489870B1 (en) | 1999-11-22 | 2002-12-03 | Tlx Technologies | Solenoid with improved pull force |
US6392516B1 (en) | 1998-12-04 | 2002-05-21 | Tlx Technologies | Latching solenoid with improved pull force |
DE19860631A1 (de) | 1998-12-29 | 2000-07-06 | Bosch Gmbh Robert | Elektromagnetisch betätigbares Ventil und Verfahren zur Herstellung eines Magnetmantels für ein Ventil |
JP3799599B2 (ja) * | 2001-02-26 | 2006-07-19 | 株式会社デンソー | 溶接装置および溶接方法 |
US6601785B2 (en) | 2001-06-01 | 2003-08-05 | Siemens Automotive Corporation | Self-locking spring stop for fuel injector calibration |
US6981662B2 (en) * | 2002-11-08 | 2006-01-03 | Siemens Diesel Systems Technology | Coupling device assembly |
DE102004025969A1 (de) * | 2004-05-18 | 2005-12-15 | Hydraulik-Ring Gmbh | Magnetventil |
DE102004058677A1 (de) * | 2004-12-06 | 2006-06-14 | Robert Bosch Gmbh | Einspritzventil |
PL1975486T3 (pl) * | 2007-03-28 | 2015-05-29 | Fillon Tech Sas Societe Par Actions Simplifiee | Zawór dozujący |
DE102010040914A1 (de) | 2010-09-16 | 2012-03-22 | Robert Bosch Gmbh | Brennstoffeinspritzventil |
DE102010040916A1 (de) * | 2010-09-16 | 2012-03-22 | Robert Bosch Gmbh | Brennstoffeinspritzventil |
DE102010040910A1 (de) * | 2010-09-16 | 2012-03-22 | Robert Bosch Gmbh | Brennstoffeinspritzventil |
DE102010040898A1 (de) * | 2010-09-16 | 2012-03-22 | Robert Bosch Gmbh | Brennstoffeinspritzventil |
DE102012000676A1 (de) * | 2012-01-17 | 2013-07-18 | Knf Flodos Ag | Verdrängerpumpe |
CN105276265B (zh) * | 2015-05-22 | 2018-12-04 | 常州市诚利电子有限公司 | 一种电子膨胀阀线圈 |
GB2577072B (en) * | 2018-09-12 | 2021-04-21 | Delphi Automotive Systems Lux | Pole piece retention and insertion method |
JP7382823B2 (ja) * | 2019-12-25 | 2023-11-17 | 日立Astemo株式会社 | ソレノイド |
CN112728207A (zh) * | 2020-12-30 | 2021-04-30 | 中国航发长春控制科技有限公司 | 一种两体式压装的活门座组件 |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3598360A (en) * | 1969-08-27 | 1971-08-10 | Richdel | Solenoid valve |
DE3623554A1 (de) * | 1986-07-12 | 1988-01-21 | Pierburg Gmbh | Elektromagnetisches, intermittierendes einspritzventil |
DE3825135A1 (de) * | 1988-07-23 | 1990-01-25 | Bosch Gmbh Robert | Elektromagnetisch betaetigbares ventil |
DE3831196A1 (de) * | 1988-09-14 | 1990-03-22 | Bosch Gmbh Robert | Elektromagnetisch betaetigbares ventil |
-
1990
- 1990-02-03 DE DE4003229A patent/DE4003229A1/de not_active Withdrawn
-
1991
- 1991-01-21 BR BR919105982A patent/BR9105982A/pt not_active IP Right Cessation
- 1991-01-21 RU SU915052592A patent/RU2047034C1/ru active
- 1991-01-21 JP JP50237491A patent/JP3262793B2/ja not_active Expired - Fee Related
- 1991-01-21 WO PCT/DE1991/000052 patent/WO1991011605A2/de active IP Right Grant
- 1991-01-21 US US07/915,990 patent/US5330153A/en not_active Expired - Fee Related
- 1991-01-21 ES ES91902270T patent/ES2061230T3/es not_active Expired - Lifetime
- 1991-01-21 EP EP91902270A patent/EP0516632B1/de not_active Expired - Lifetime
- 1991-01-21 DE DE59102646T patent/DE59102646D1/de not_active Expired - Lifetime
-
1992
- 1992-08-03 KR KR1019920701859A patent/KR100195822B1/ko not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
WO1991011605A3 (de) | 1991-09-19 |
US5330153A (en) | 1994-07-19 |
DE4003229A1 (de) | 1991-08-08 |
DE59102646D1 (de) | 1994-09-29 |
JPH05504182A (ja) | 1993-07-01 |
KR100195822B1 (en) | 1999-06-15 |
ES2061230T3 (es) | 1994-12-01 |
RU2047034C1 (ru) | 1995-10-27 |
JP3262793B2 (ja) | 2002-03-04 |
KR920704002A (ko) | 1992-12-18 |
WO1991011605A2 (de) | 1991-08-08 |
EP0516632A1 (de) | 1992-12-09 |
BR9105982A (pt) | 1992-11-10 |
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