ITMI20030789A1 - FUEL INJECTION VALVE. - Google Patents

FUEL INJECTION VALVE.

Info

Publication number
ITMI20030789A1
ITMI20030789A1 IT000789A ITMI20030789A ITMI20030789A1 IT MI20030789 A1 ITMI20030789 A1 IT MI20030789A1 IT 000789 A IT000789 A IT 000789A IT MI20030789 A ITMI20030789 A IT MI20030789A IT MI20030789 A1 ITMI20030789 A1 IT MI20030789A1
Authority
IT
Italy
Prior art keywords
fuel injection
injection valve
valve
fuel
injection
Prior art date
Application number
IT000789A
Other languages
Italian (it)
Inventor
Rene Deponte
Walter Maeurer
Original Assignee
Bosch Gmbh Robert
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Bosch Gmbh Robert filed Critical Bosch Gmbh Robert
Publication of ITMI20030789A1 publication Critical patent/ITMI20030789A1/en

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
    • 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
    • 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
    • F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B75/00—Other engines
    • F02B75/12—Other methods of operation
    • F02B2075/125—Direct injection in the combustion chamber for spark ignition engines, i.e. not in pre-combustion chamber
    • 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
    • F02M2200/28—Details of throttles in fuel-injection apparatus
    • 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
    • F02M2200/40—Fuel-injection apparatus with fuel accumulators, e.g. a fuel injector having an integrated fuel accumulator
    • 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
    • F02M2200/705—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
    • 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
    • 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
    • F02M61/04—Fuel-injectors not provided for in groups F02M39/00 - F02M57/00 or F02M67/00 having valves, e.g. having a plurality of valves in series
    • F02M61/08—Fuel-injectors not provided for in groups F02M39/00 - F02M57/00 or F02M67/00 having valves, e.g. having a plurality of valves in series the valves opening in direction of fuel flow
    • 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
    • F02M61/168—Assembling; Disassembling; Manufacturing; Adjusting
    • 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
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/10—Internal combustion engine [ICE] based vehicles
    • Y02T10/12—Improving ICE efficiencies
IT000789A 2002-04-19 2003-04-16 FUEL INJECTION VALVE. ITMI20030789A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE10217594A DE10217594A1 (en) 2002-04-19 2002-04-19 Fuel injection valve for IC engines has throttle gap formed by Laser/erosion drilling, and positioned separate from guide gaps, for cheaper fabrication of gaps

Publications (1)

Publication Number Publication Date
ITMI20030789A1 true ITMI20030789A1 (en) 2003-10-20

Family

ID=28798604

Family Applications (1)

Application Number Title Priority Date Filing Date
IT000789A ITMI20030789A1 (en) 2002-04-19 2003-04-16 FUEL INJECTION VALVE.

Country Status (3)

Country Link
JP (1) JP2003328893A (en)
DE (1) DE10217594A1 (en)
IT (1) ITMI20030789A1 (en)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102004002299A1 (en) * 2004-01-16 2005-08-04 Robert Bosch Gmbh Fuel injector with directly controlled injection valve member
DE102004024119B4 (en) 2004-05-14 2006-04-20 Siemens Ag Nozzle assembly and injector
US7100577B2 (en) * 2004-06-14 2006-09-05 Westport Research Inc. Common rail directly actuated fuel injection valve with a pressurized hydraulic transmission device and a method of operating same
DE102005001005B4 (en) 2005-01-07 2008-11-20 Continental Automotive Gmbh Actuator for actuating a fuel injection valve
DE102006009659A1 (en) 2005-07-25 2007-02-01 Robert Bosch Gmbh Fuel injection device for internal combustion engine, has valve unit arranged in housing and composed of several parts including control piston and nozzle needle, where piston and needle are coupled to each other via hydraulic coupler
DE102006050165A1 (en) * 2006-10-25 2008-04-30 Robert Bosch Gmbh Actuator with fluid insulation
DE102007002402B4 (en) * 2006-12-13 2014-12-31 Siemens Aktiengesellschaft Gas injection device for an internal combustion engine
JP4665985B2 (en) * 2008-03-31 2011-04-06 株式会社デンソー Injector
WO2011045298A1 (en) * 2009-10-12 2011-04-21 Ulrich Stieler Kunststoff Service E.K. Fluid injector
EP2863048B1 (en) * 2013-10-21 2017-12-06 C.R.F. Società Consortile Per Azioni Fuel electro-injector for a fuel injection system for an internal combustion engine
WO2016097463A1 (en) * 2014-12-19 2016-06-23 Wärtsilä Finland Oy A fuel injector for an internal combustion piston engine
DE102017205018A1 (en) * 2017-03-24 2018-09-27 Robert Bosch Gmbh Method for producing a throttle point in a component, in particular in a fuel injector and fuel injector itself

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19839125C1 (en) * 1998-08-27 2000-04-20 Siemens Ag Device and method for dosing fluid
DE19940055C1 (en) * 1999-08-24 2001-04-05 Siemens Ag Dosing valve
DE10019766A1 (en) * 2000-04-20 2001-10-31 Bosch Gmbh Robert Valve for controlling liquids has solid body enclosed by gap in filler chamber, high pressure connection line at one end and leakage line at other, branch in line to hydraulic chamber

Also Published As

Publication number Publication date
DE10217594A1 (en) 2003-11-06
JP2003328893A (en) 2003-11-19

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