EP1241346A3 - Fluid control valve - Google Patents
Fluid control valve Download PDFInfo
- Publication number
- EP1241346A3 EP1241346A3 EP02003421A EP02003421A EP1241346A3 EP 1241346 A3 EP1241346 A3 EP 1241346A3 EP 02003421 A EP02003421 A EP 02003421A EP 02003421 A EP02003421 A EP 02003421A EP 1241346 A3 EP1241346 A3 EP 1241346A3
- Authority
- EP
- European Patent Office
- Prior art keywords
- fluid
- filling
- piston
- control valve
- hydraulic
- 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.)
- Withdrawn
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
- F02M63/00—Other fuel-injection apparatus having pertinent characteristics not provided for in groups F02M39/00 - F02M57/00 or F02M67/00; Details, component parts, or accessories of fuel-injection apparatus, not provided for in, or of interest apart from, the apparatus of groups F02M39/00 - F02M61/00 or F02M67/00; Combination of fuel pump with other devices, e.g. lubricating oil pump
- F02M63/0012—Valves
- F02M63/0014—Valves characterised by the valve actuating means
- F02M63/0015—Valves characterised by the valve actuating means electrical, e.g. using solenoid
- F02M63/0026—Valves characterised by the valve actuating means electrical, e.g. using solenoid using piezoelectric or magnetostrictive actuators
-
- 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
- F02M47/00—Fuel-injection apparatus operated cyclically with fuel-injection valves actuated by fluid pressure
- F02M47/02—Fuel-injection apparatus operated cyclically with fuel-injection valves actuated by fluid pressure of accumulator-injector type, i.e. having fuel pressure of accumulator tending to open, and fuel pressure in other chamber tending to close, injection valves and having means for periodically releasing that closing pressure
- F02M47/027—Electrically actuated valves draining the chamber to release the closing pressure
-
- 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
- F02M63/00—Other fuel-injection apparatus having pertinent characteristics not provided for in groups F02M39/00 - F02M57/00 or F02M67/00; Details, component parts, or accessories of fuel-injection apparatus, not provided for in, or of interest apart from, the apparatus of groups F02M39/00 - F02M61/00 or F02M67/00; Combination of fuel pump with other devices, e.g. lubricating oil pump
- F02M63/0012—Valves
- F02M63/0031—Valves characterized by the type of valves, e.g. special valve member details, valve seat details, valve housing details
- F02M63/0033—Lift valves, i.e. having a valve member that moves perpendicularly to the plane of the valve seat
- F02M63/0035—Poppet valves, i.e. having a mushroom-shaped valve member that moves perpendicularly to the plane of the valve seat
-
- 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
- F02M63/00—Other fuel-injection apparatus having pertinent characteristics not provided for in groups F02M39/00 - F02M57/00 or F02M67/00; Details, component parts, or accessories of fuel-injection apparatus, not provided for in, or of interest apart from, the apparatus of groups F02M39/00 - F02M61/00 or F02M67/00; Combination of fuel pump with other devices, e.g. lubricating oil pump
- F02M63/0012—Valves
- F02M63/0031—Valves characterized by the type of valves, e.g. special valve member details, valve seat details, valve housing details
- F02M63/0033—Lift valves, i.e. having a valve member that moves perpendicularly to the plane of the valve seat
- F02M63/0036—Lift valves, i.e. having a valve member that moves perpendicularly to the plane of the valve seat with spherical or partly spherical shaped valve member ends
-
- 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
- F02M2200/70—Linkage between actuator and actuated element, e.g. between piezoelectric actuator and needle valve or pump plunger
- F02M2200/703—Linkage between actuator and actuated element, e.g. between piezoelectric actuator and needle valve or pump plunger hydraulic
- F02M2200/705—Linkage between actuator and actuated element, e.g. between piezoelectric actuator and needle valve or pump plunger hydraulic with means for filling or emptying hydraulic chamber, e.g. for compensating clearance or thermal expansion
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Fuel-Injection Apparatus (AREA)
- Electrically Driven Valve-Operating Means (AREA)
Abstract
Die vorliegende Erfindung betrifft ein Ventil (1) zum Steuern von Flüssigkeiten mit einem Piezoaktor (2) und einem hydraulischen Übersetzer (3). Der hydraulische Übersetzer (3) besteht aus einem ersten Kolben (4), einem zweiten Kolben (5) und einem zwischen den beiden Kolben angeordneten, mit Fluid gefüllten Druckraum (6). Weiter ist ein Steuerventil (15) und eine Befüllvorrichtung (11, 12) zum Ersetzen des durch Leckage bedingten Fluidverlusts im Druckraum (6) vorgesehen. Die Befüllvorrichtung weist einen mit Fluid gefüllten Befüllraum (11) auf und Leckverluste im Druckraum (6) werden bei einer Rückstellbewegung des hydraulischen Übersetzers (3) aufgrund einer durch den ersten Kolben (4) mittelbar oder unmittelbar erzeugten Verdrängungswirkung im Befüllraum (11) durch Fluid aus dem Befüllraum (11) ersetzt. The invention relates to a valve (1) for controlling liquids with a piezo actuator (2) and a hydraulic booster (3). The hydraulic intensifier (3) consists of a first piston (4), a second piston (5) and a pressure chamber (6), which is arranged between the two pistons and is filled with fluid. A control valve (15) and a filling device (11, 12) are also provided to replace the fluid loss in the pressure chamber (6) caused by leakage. The filling device has a filling space (11) filled with fluid and leakage losses in the pressure space (6) are caused by fluid during a return movement of the hydraulic translator (3) due to a displacement effect in the filling space (11), generated directly or indirectly by the first piston (4) from the filling chamber (11) replaced.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10112147A DE10112147A1 (en) | 2001-03-14 | 2001-03-14 | Valve for controlling liquids |
DE10112147 | 2001-03-14 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1241346A2 EP1241346A2 (en) | 2002-09-18 |
EP1241346A3 true EP1241346A3 (en) | 2004-02-04 |
Family
ID=7677355
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP02003421A Withdrawn EP1241346A3 (en) | 2001-03-14 | 2002-02-14 | Fluid control valve |
Country Status (4)
Country | Link |
---|---|
US (1) | US6805302B2 (en) |
EP (1) | EP1241346A3 (en) |
JP (1) | JP2002322959A (en) |
DE (1) | DE10112147A1 (en) |
Families Citing this family (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10322672A1 (en) * | 2003-05-20 | 2004-12-09 | Robert Bosch Gmbh | Valve for controlling liquids |
DE102004027824A1 (en) * | 2004-06-08 | 2006-01-05 | Robert Bosch Gmbh | Fuel injector with variable actuator ratio |
ATE341708T1 (en) * | 2004-06-30 | 2006-10-15 | Fiat Ricerche | FUEL INJECTOR WITH FUEL BALANCED CONTROL VALVE |
JP4325589B2 (en) | 2004-07-06 | 2009-09-02 | 株式会社デンソー | Common rail injector |
DE102005015997A1 (en) * | 2004-12-23 | 2006-07-13 | Robert Bosch Gmbh | Fuel injector with direct control of the injection valve member |
DE102005024710A1 (en) * | 2005-05-30 | 2006-12-07 | Robert Bosch Gmbh | Fuel injector |
DE102005059169A1 (en) * | 2005-12-12 | 2007-06-14 | Robert Bosch Gmbh | Fuel injector with directly actuatable injection valve member |
US8074625B2 (en) * | 2008-01-07 | 2011-12-13 | Mcalister Technologies, Llc | Fuel injector actuator assemblies and associated methods of use and manufacture |
US7658179B2 (en) * | 2008-05-28 | 2010-02-09 | Caterpillar Inc. | Fluid leak limiter |
US7661410B1 (en) | 2008-08-18 | 2010-02-16 | Caterpillar Inc. | Fluid leak limiter |
US8528519B2 (en) | 2010-10-27 | 2013-09-10 | Mcalister Technologies, Llc | Integrated fuel injector igniters suitable for large engine applications and associated methods of use and manufacture |
US9309846B2 (en) | 2012-11-12 | 2016-04-12 | Mcalister Technologies, Llc | Motion modifiers for fuel injection systems |
US9091238B2 (en) | 2012-11-12 | 2015-07-28 | Advanced Green Technologies, Llc | Systems and methods for providing motion amplification and compensation by fluid displacement |
US9803555B2 (en) * | 2014-04-23 | 2017-10-31 | General Electric Company | Fuel delivery system with moveably attached fuel tube |
DE102014220883B4 (en) * | 2014-10-15 | 2016-09-22 | Continental Automotive Gmbh | Piezo Common Rail Injector with hydraulic backlash integrated into the servo valve |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0477400A1 (en) * | 1990-09-25 | 1992-04-01 | Siemens Aktiengesellschaft | Device for compensating the tolerance in the lift direction of the displacement transformer of a piezoelectric actuator |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19817320C1 (en) * | 1998-04-18 | 1999-11-11 | Daimler Chrysler Ag | Injector for fuel injection systems |
DE19946831C1 (en) * | 1999-09-30 | 2001-07-12 | Bosch Gmbh Robert | Valve for controlling liquids |
DE10002270C1 (en) * | 2000-01-20 | 2001-06-28 | Bosch Gmbh Robert | Valve for controlling liquids has electronic control unit that defines piezoelectric valve element actuating unit drive voltage depending on leakage loss in low pressure region |
DE10019764B4 (en) * | 2000-04-20 | 2004-09-23 | Robert Bosch Gmbh | Length measuring device for measuring dimensions of bodies, particularly inner- and outer diameters, used in mechanical drive- and transmission elements and in circular body, has carrier element, which is adapted to body to be measured |
-
2001
- 2001-03-14 DE DE10112147A patent/DE10112147A1/en not_active Withdrawn
-
2002
- 2002-02-14 EP EP02003421A patent/EP1241346A3/en not_active Withdrawn
- 2002-03-14 JP JP2002070561A patent/JP2002322959A/en active Pending
- 2002-03-14 US US10/098,326 patent/US6805302B2/en not_active Expired - Fee Related
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0477400A1 (en) * | 1990-09-25 | 1992-04-01 | Siemens Aktiengesellschaft | Device for compensating the tolerance in the lift direction of the displacement transformer of a piezoelectric actuator |
Also Published As
Publication number | Publication date |
---|---|
US6805302B2 (en) | 2004-10-19 |
EP1241346A2 (en) | 2002-09-18 |
DE10112147A1 (en) | 2002-09-19 |
JP2002322959A (en) | 2002-11-08 |
US20020162900A1 (en) | 2002-11-07 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
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RIC1 | Information provided on ipc code assigned before grant |
Ipc: 7F 02M 59/46 B Ipc: 7F 02M 47/02 A |
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Effective date: 20040804 |
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AKX | Designation fees paid |
Designated state(s): DE FR IT |
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17Q | First examination report despatched |
Effective date: 20041014 |
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Free format text: ORIGINAL CODE: EPIDOSNIGR1 |
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STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN |
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18D | Application deemed to be withdrawn |
Effective date: 20050614 |