EP1916412A3 - Actionneur avec isolation de fluide - Google Patents
Actionneur avec isolation de fluide Download PDFInfo
- Publication number
- EP1916412A3 EP1916412A3 EP07115156A EP07115156A EP1916412A3 EP 1916412 A3 EP1916412 A3 EP 1916412A3 EP 07115156 A EP07115156 A EP 07115156A EP 07115156 A EP07115156 A EP 07115156A EP 1916412 A3 EP1916412 A3 EP 1916412A3
- Authority
- EP
- European Patent Office
- Prior art keywords
- actuator
- needle
- piezoelectric actuators
- fluid isolation
- fuel
- 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.)
- Granted
Links
- 239000012530 fluid Substances 0.000 title abstract 2
- 238000002955 isolation Methods 0.000 title 1
- 238000002347 injection Methods 0.000 abstract 2
- 239000007924 injection Substances 0.000 abstract 2
- 239000000446 fuel Substances 0.000 abstract 1
- 239000012528 membrane Substances 0.000 abstract 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
- F02M51/00—Fuel-injection apparatus characterised by being operated electrically
- F02M51/06—Injectors peculiar thereto with means directly operating the valve needle
- F02M51/0603—Injectors peculiar thereto with means directly operating the valve needle using piezoelectric or magnetostrictive operating means
-
- 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
- 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
-
- 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
- F02M2200/707—Linkage between actuator and actuated element, e.g. between piezoelectric actuator and needle valve or pump plunger hydraulic with means for avoiding fuel contact with actuators, e.g. isolating actuators by using bellows or diaphragms
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Fuel-Injection Apparatus (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102006050165A DE102006050165A1 (de) | 2006-10-25 | 2006-10-25 | Aktor mit Fluidisolierung |
Publications (3)
Publication Number | Publication Date |
---|---|
EP1916412A2 EP1916412A2 (fr) | 2008-04-30 |
EP1916412A3 true EP1916412A3 (fr) | 2009-11-04 |
EP1916412B1 EP1916412B1 (fr) | 2012-02-15 |
Family
ID=38980963
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP07115156A Not-in-force EP1916412B1 (fr) | 2006-10-25 | 2007-08-29 | Actionneur avec isolation de fluide |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP1916412B1 (fr) |
AT (1) | ATE545778T1 (fr) |
DE (1) | DE102006050165A1 (fr) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102007053426A1 (de) * | 2007-11-09 | 2009-05-14 | Robert Bosch Gmbh | Piezoelektisches Aktormodul |
DE102011084512A1 (de) | 2011-10-14 | 2013-04-18 | Robert Bosch Gmbh | Hydraulischer Koppler |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10217594A1 (de) * | 2002-04-19 | 2003-11-06 | Bosch Gmbh Robert | Brennstoffeinspritzventil |
EP1445480A1 (fr) * | 2003-02-04 | 2004-08-11 | Siemens VDO Automotive S.p.A. | Dispositif de dosage avec joint d'étanchéité dynamique |
DE102004012283A1 (de) * | 2003-03-13 | 2004-11-11 | Denso Corp., Kariya | Piezoelektrisches Stellglied, Herstellungsverfahren und Einspritzdüse |
US20050206274A1 (en) * | 2004-02-17 | 2005-09-22 | Denso Corporation | Piezoelectric stack and production method of piezoelectric stack |
-
2006
- 2006-10-25 DE DE102006050165A patent/DE102006050165A1/de not_active Withdrawn
-
2007
- 2007-08-29 EP EP07115156A patent/EP1916412B1/fr not_active Not-in-force
- 2007-08-29 AT AT07115156T patent/ATE545778T1/de active
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10217594A1 (de) * | 2002-04-19 | 2003-11-06 | Bosch Gmbh Robert | Brennstoffeinspritzventil |
EP1445480A1 (fr) * | 2003-02-04 | 2004-08-11 | Siemens VDO Automotive S.p.A. | Dispositif de dosage avec joint d'étanchéité dynamique |
DE102004012283A1 (de) * | 2003-03-13 | 2004-11-11 | Denso Corp., Kariya | Piezoelektrisches Stellglied, Herstellungsverfahren und Einspritzdüse |
US20050206274A1 (en) * | 2004-02-17 | 2005-09-22 | Denso Corporation | Piezoelectric stack and production method of piezoelectric stack |
Also Published As
Publication number | Publication date |
---|---|
DE102006050165A1 (de) | 2008-04-30 |
ATE545778T1 (de) | 2012-03-15 |
EP1916412B1 (fr) | 2012-02-15 |
EP1916412A2 (fr) | 2008-04-30 |
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