DE502008000639D1 - injector - Google Patents

injector

Info

Publication number
DE502008000639D1
DE502008000639D1 DE502008000639T DE502008000639T DE502008000639D1 DE 502008000639 D1 DE502008000639 D1 DE 502008000639D1 DE 502008000639 T DE502008000639 T DE 502008000639T DE 502008000639 T DE502008000639 T DE 502008000639T DE 502008000639 D1 DE502008000639 D1 DE 502008000639D1
Authority
DE
Germany
Prior art keywords
injector
pressure area
throttle channel
control chamber
low
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.)
Active
Application number
DE502008000639T
Other languages
German (de)
Inventor
Hans-Christoph Magel
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Robert Bosch GmbH
Original Assignee
Robert Bosch GmbH
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 Robert Bosch GmbH filed Critical Robert Bosch GmbH
Publication of DE502008000639D1 publication Critical patent/DE502008000639D1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • F02M63/0031—Valves characterized by the type of valves, e.g. special valve member details, valve seat details, valve housing details
    • F02M63/0045—Three-way valves
    • 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
    • F02M63/0014—Valves characterised by the valve actuating means
    • F02M63/0015—Valves characterised by the valve actuating means electrical, e.g. using solenoid
    • 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
    • F02M63/004—Sliding valves, e.g. spool valves, i.e. whereby the closing member has a sliding movement along a seat for opening and closing
    • 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
    • F02M63/02—Fuel-injection apparatus having several injectors fed by a common pumping element, or having several pumping elements feeding a common injector; Fuel-injection apparatus having provisions for cutting-out pumps, pumping elements, or injectors; Fuel-injection apparatus having provisions for variably interconnecting pumping elements and injectors alternatively
    • F02M63/0225—Fuel-injection apparatus having a common rail feeding several injectors ; Means for varying pressure in common rails; Pumps feeding common rails

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)

Abstract

The injector (1) has an outlet throttle channel (24) by which a control chamber (8) is connected with a low-pressure area (6) in the later switching position of the control valve (20). The control chamber is provided with the high pressure area connecting an inlet throttle channel (26).
DE502008000639T 2007-07-24 2008-06-13 injector Active DE502008000639D1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102007034319A DE102007034319A1 (en) 2007-07-24 2007-07-24 injector

Publications (1)

Publication Number Publication Date
DE502008000639D1 true DE502008000639D1 (en) 2010-06-24

Family

ID=39929850

Family Applications (2)

Application Number Title Priority Date Filing Date
DE102007034319A Withdrawn DE102007034319A1 (en) 2007-07-24 2007-07-24 injector
DE502008000639T Active DE502008000639D1 (en) 2007-07-24 2008-06-13 injector

Family Applications Before (1)

Application Number Title Priority Date Filing Date
DE102007034319A Withdrawn DE102007034319A1 (en) 2007-07-24 2007-07-24 injector

Country Status (3)

Country Link
EP (1) EP2022975B1 (en)
AT (1) ATE467757T1 (en)
DE (2) DE102007034319A1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2615294A1 (en) * 2012-01-13 2013-07-17 Delphi Technologies Holding S.à.r.l. Fuel injector
DE102012005319A1 (en) * 2012-03-19 2013-09-19 L'orange Gmbh Injector assembly for fuel injector of motor vehicle, has actuating element that generates pressure in fluid, which is increased with respect to system high pressure, where injector assembly is formed to be effective against pressure force
DE102017103082A1 (en) 2017-02-15 2018-03-15 L'orange Gmbh Fuel injection injector for an internal combustion engine

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19533786B4 (en) 1995-09-13 2004-02-12 Robert Bosch Gmbh Solenoid valve for controlling pressure media
DE10131618A1 (en) * 2001-06-29 2003-01-23 Bosch Gmbh Robert Fuel injector with switchable control room inlet
DE102004015744A1 (en) * 2004-03-31 2005-10-13 Robert Bosch Gmbh Common rail injector
US7111614B1 (en) 2005-08-29 2006-09-26 Caterpillar Inc. Single fluid injector with rate shaping capability
US7415969B2 (en) * 2006-02-28 2008-08-26 Caterpillar Inc. Fuel injector having recessed check top
DE102006036446A1 (en) 2006-08-04 2008-02-07 Robert Bosch Gmbh Injector for fuel injection system of internal-combustion engine, has control valve exhibiting valve body and valve piston, where area of valve body is subjected inside and outside with fuel, which stays under high pressure
DE102006056840A1 (en) * 2006-12-01 2008-06-05 Robert Bosch Gmbh fuel injector

Also Published As

Publication number Publication date
EP2022975B1 (en) 2010-05-12
DE102007034319A1 (en) 2009-01-29
ATE467757T1 (en) 2010-05-15
EP2022975A1 (en) 2009-02-11

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition