IT1286336B1 - Valvola piezoceramica per impianti di iniezione di carburante in motori a combustione interna. - Google Patents
Valvola piezoceramica per impianti di iniezione di carburante in motori a combustione interna.Info
- Publication number
- IT1286336B1 IT1286336B1 IT96RM000676A ITRM960676A IT1286336B1 IT 1286336 B1 IT1286336 B1 IT 1286336B1 IT 96RM000676 A IT96RM000676 A IT 96RM000676A IT RM960676 A ITRM960676 A IT RM960676A IT 1286336 B1 IT1286336 B1 IT 1286336B1
- Authority
- IT
- Italy
- Prior art keywords
- internal combustion
- fuel injection
- combustion engines
- injection systems
- piezoceramic
- Prior art date
Links
- 238000002485 combustion reaction Methods 0.000 title 1
- 239000000446 fuel Substances 0.000 title 1
- 238000002347 injection Methods 0.000 title 1
- 239000007924 injection Substances 0.000 title 1
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
- F02M61/00—Fuel-injectors not provided for in groups F02M39/00 - F02M57/00 or F02M67/00
- F02M61/16—Details not provided for in, or of interest apart from, the apparatus of groups F02M61/02 - F02M61/14
- F02M61/167—Means for compensating clearance or thermal expansion
-
- 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
- F02M61/00—Fuel-injectors not provided for in groups F02M39/00 - F02M57/00 or F02M67/00
- F02M61/16—Details not provided for in, or of interest apart from, the apparatus of groups F02M61/02 - F02M61/14
- F02M61/166—Selection of particular materials
-
- 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
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/004—Actuating devices; Operating means; Releasing devices actuated by piezoelectric means
- F16K31/007—Piezoelectric stacks
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Fuel-Injection Apparatus (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19538791A DE19538791C2 (de) | 1995-10-18 | 1995-10-18 | Piezosteuerventil für Kraftstoffeinspritzanlagen von Brennkraftmaschinen |
Publications (2)
Publication Number | Publication Date |
---|---|
ITRM960676A1 ITRM960676A1 (it) | 1998-04-04 |
IT1286336B1 true IT1286336B1 (it) | 1998-07-08 |
Family
ID=7775171
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT96RM000676A IT1286336B1 (it) | 1995-10-18 | 1996-10-04 | Valvola piezoceramica per impianti di iniezione di carburante in motori a combustione interna. |
Country Status (5)
Country | Link |
---|---|
US (1) | US5740969A (it) |
DE (1) | DE19538791C2 (it) |
FR (1) | FR2740177B1 (it) |
GB (1) | GB2306571B (it) |
IT (1) | IT1286336B1 (it) |
Families Citing this family (49)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19702066C2 (de) * | 1997-01-22 | 1998-10-29 | Daimler Benz Ag | Piezoelektrischer Injektor für Kraftstoffeinspritzanlagen von Brennkraftmaschinen |
DE59811027D1 (de) * | 1997-04-04 | 2004-04-29 | Siemens Ag | Einspritzventil mit Mitteln zur Kompensation der thermischen Längenänderung eines Piezoaktors |
DE19849203A1 (de) * | 1998-10-26 | 2000-04-27 | Bosch Gmbh Robert | Brennstoffeinspritzventil |
DE19902807C1 (de) * | 1999-01-25 | 2000-06-08 | Siemens Ag | Leerhubeinstellung zwischen einem Aktor und einem vom Aktor betätigten Servoventil in einem Kraftstoffinjektor |
DE19909106C2 (de) * | 1999-03-02 | 2001-08-23 | Siemens Ag | Temperaturkompensierte piezoelektrische Aktoreinheit |
DE19909450A1 (de) * | 1999-03-04 | 2000-09-07 | Bosch Gmbh Robert | Piezoelektrischer Aktor |
DE19918976A1 (de) | 1999-04-27 | 2000-11-02 | Bosch Gmbh Robert | Brennstoffeinspritzventil und Verfahren zu dessen Betätigung |
DE19921242C1 (de) * | 1999-05-07 | 2000-10-26 | Siemens Ag | Verfahren zum Positionieren des Stellantriebs in einem Kraftstoffinjektor und Vorrichtung zur Durchführung des Verfahrens |
US6170526B1 (en) * | 1999-05-18 | 2001-01-09 | Caterpillar Inc. | Piezoelectric actuated poppet valve to modulate pilot pressures and control main valve activation |
DE19928183A1 (de) * | 1999-06-19 | 2001-01-04 | Bosch Gmbh Robert | Piezoaktor |
DE19928179B4 (de) * | 1999-06-19 | 2008-07-31 | Robert Bosch Gmbh | Piezoaktor |
DE19928185B4 (de) * | 1999-06-19 | 2006-05-24 | Robert Bosch Gmbh | Piezoaktor |
ATE292754T1 (de) * | 1999-08-20 | 2005-04-15 | Bosch Gmbh Robert | Ventil zum steuern von flüssigkeiten |
DE19939476C2 (de) * | 1999-08-20 | 2003-02-20 | Bosch Gmbh Robert | Ventil zum Steuern von Flüssigkeiten |
US6173913B1 (en) | 1999-08-25 | 2001-01-16 | Caterpillar Inc. | Ceramic check for a fuel injector |
DE19946841A1 (de) * | 1999-09-30 | 2001-05-03 | Bosch Gmbh Robert | Ventil zum Steuern von Flüssigkeiten |
DE19947067A1 (de) * | 1999-09-30 | 2001-05-10 | Siemens Ag | Geräuschgedämpfte Aktoreinheit mit einem Aktorelement |
US6313568B1 (en) | 1999-12-01 | 2001-11-06 | Cummins Inc. | Piezoelectric actuator and valve assembly with thermal expansion compensation |
KR100349836B1 (ko) * | 1999-12-30 | 2002-08-22 | 기아자동차주식회사 | 디젤 엔진의 컴먼 레일용 인젝터 |
DE10002437A1 (de) * | 2000-01-21 | 2001-08-16 | Bosch Gmbh Robert | Piezoaktor |
DE10003863B4 (de) * | 2000-01-28 | 2004-11-18 | Robert Bosch Gmbh | Einspritzdüse |
US6345771B1 (en) | 2000-06-30 | 2002-02-12 | Siemens Automotive Corporation | Multiple stack piezoelectric actuator for a fuel injector |
US6400066B1 (en) | 2000-06-30 | 2002-06-04 | Siemens Automotive Corporation | Electronic compensator for a piezoelectric actuator |
DE10042941A1 (de) | 2000-08-31 | 2002-03-21 | Siemens Ag | Piezoaktor und Verfahren zur Herstellung eines Piezoaktors |
US6526864B2 (en) | 2001-04-17 | 2003-03-04 | Csa Engineering, Inc. | Piezoelectrically actuated single-stage servovalve |
ITBO20010279A1 (it) * | 2001-05-08 | 2002-11-08 | Magneti Marelli Spa | Iniettore di carburante con attuatore piezoelettrico alloggiato in una camera isolata |
US6499471B2 (en) | 2001-06-01 | 2002-12-31 | Siemens Automotive Corporation | Hydraulic compensator for a piezoelectrical fuel injector |
US6766965B2 (en) | 2001-08-31 | 2004-07-27 | Siemens Automotive Corporation | Twin tube hydraulic compensator for a fuel injector |
DE10149915A1 (de) | 2001-10-10 | 2003-04-24 | Bosch Gmbh Robert | Brennstoffeinspritzventil |
DE10149914A1 (de) | 2001-10-10 | 2003-04-24 | Bosch Gmbh Robert | Brennstoffeinspritzventil |
DE10159748B4 (de) * | 2001-12-05 | 2014-11-13 | Robert Bosch Gmbh | Brennstoffeinspritzventil |
DE10303855A1 (de) * | 2003-01-30 | 2004-08-19 | Dbt Automation Gmbh | Piezo-Aktor und Schaltvorrichtung für Ventile |
DE10315067A1 (de) | 2003-04-02 | 2004-10-28 | Siemens Ag | Piezoelektrischer Aktor mit einem zweiteiligen hülsenförmigen Gehäuse und Verfahren zur Herstellung eines Gehäuses für einen piezoelektrischen Aktor |
US6971172B2 (en) * | 2003-08-08 | 2005-12-06 | Cummins Inc. | Piezoelectric control valve adjustment method |
DE10347770B4 (de) * | 2003-10-14 | 2006-08-31 | Siemens Ag | Aufnahmehülse für einen Piezoaktor |
DE10347768B4 (de) * | 2003-10-14 | 2006-03-09 | Siemens Ag | Aufnahmehülse für einen Piezoaktor |
DE102004001679B4 (de) * | 2004-01-12 | 2009-01-08 | Continental Automotive Gmbh | Piezoaktor mit Mitteln zur Kompensation der thermischen Längenänderung und Kraftstoff-Einspritzventil mit Piezoaktor |
US20050236727A1 (en) * | 2004-04-23 | 2005-10-27 | Niewels Joachim J | Method and apparatus for mold component locking using active material elements |
DE102004029363B4 (de) * | 2004-06-17 | 2007-10-11 | Siemens Ag | Piezoelektrischer Stellantrieb für einen Kraftstoffinjektor einer Brennkraftmaschine sowie Verwendung hierfür |
DE102004030606B4 (de) * | 2004-06-24 | 2006-07-13 | Siemens Ag | Piezoelektrischer Stellantrieb für einen Kraftstoffinjektor einer Brennkraftmaschine |
US7992395B2 (en) * | 2006-01-17 | 2011-08-09 | Hussmann Corporation | Expansion valve with piezo material |
DE102007033033B4 (de) | 2007-07-16 | 2019-08-08 | Continental Automotive Gmbh | Aktoreinheit für ein Einspritzsystem einer Brennkraftmaschine |
US7665445B2 (en) * | 2008-04-18 | 2010-02-23 | Caterpillar Inc. | Motion coupler for a piezoelectric actuator |
US7913929B2 (en) * | 2008-11-18 | 2011-03-29 | Continental Automotive Systems Us, Inc. | Modular outward opening piezo direct fuel injector |
DE102010062518A1 (de) * | 2010-12-07 | 2012-06-14 | Robert Bosch Gmbh | Piezoelektrisches Aktormodul und Brennstoffeinspritzventil |
WO2015095720A1 (en) * | 2013-12-19 | 2015-06-25 | Great Plains Diesel Technologies, L.C. | Fuel pressure detection by fast magnetostrictive actuator |
DE102015219894A1 (de) * | 2015-10-14 | 2017-04-20 | Robert Bosch Gmbh | Dosiervorrichtung |
US11079035B2 (en) * | 2019-07-12 | 2021-08-03 | Pivotal Systems Corporation | Preloaded piezo actuator and gas valve employing the actuator |
RU199806U1 (ru) * | 2020-02-12 | 2020-09-21 | Акционерное общество "Научно-исследовательский институт "Элпа" с опытным производством" (АО "НИИ "Элпа") | Устройство дозированной подачи жидкого вещества |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1601306A (en) * | 1978-05-08 | 1981-10-28 | Philips Electronic Associated | Fluidcontrol valve |
DE2931874C2 (de) * | 1979-08-06 | 1983-08-04 | Audi Nsu Auto Union Ag, 7107 Neckarsulm | Elektrisch betätigbares Ventil |
DE3037078C2 (de) * | 1980-10-01 | 1982-08-12 | Daimler-Benz Ag, 7000 Stuttgart | Elektrisch angesteuertes Stellglied |
SE8306433L (sv) * | 1983-11-22 | 1985-05-23 | Kockums Ab | Styranordning for noggrann styrning av ventiler |
DE3533085A1 (de) * | 1985-09-17 | 1987-03-26 | Bosch Gmbh Robert | Zumessventil zur dosierung von fluessigkeiten oder gasen |
JPS62157274A (ja) * | 1985-12-28 | 1987-07-13 | Aisan Ind Co Ltd | 燃料噴射弁 |
EP0427671B1 (de) * | 1989-11-08 | 1994-07-27 | Ciba-Geigy Ag | Ventil |
US5094430A (en) * | 1991-03-04 | 1992-03-10 | Stec, Inc. | Control valve |
-
1995
- 1995-10-18 DE DE19538791A patent/DE19538791C2/de not_active Expired - Fee Related
-
1996
- 1996-10-04 IT IT96RM000676A patent/IT1286336B1/it active IP Right Grant
- 1996-10-07 GB GB9620862A patent/GB2306571B/en not_active Expired - Fee Related
- 1996-10-09 US US08/728,342 patent/US5740969A/en not_active Expired - Lifetime
- 1996-10-15 FR FR9612544A patent/FR2740177B1/fr not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
US5740969A (en) | 1998-04-21 |
ITRM960676A1 (it) | 1998-04-04 |
DE19538791C2 (de) | 1998-04-09 |
FR2740177A1 (fr) | 1997-04-25 |
DE19538791A1 (de) | 1997-04-24 |
FR2740177B1 (fr) | 1999-04-02 |
GB2306571A (en) | 1997-05-07 |
GB2306571B (en) | 1997-07-23 |
GB9620862D0 (en) | 1996-11-27 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
0001 | Granted |