DE69736964D1 - Flüssigkeitsdichtung für zyklische hohe Drücke in einer Kraftstoffeinspritzvorrichtung - Google Patents

Flüssigkeitsdichtung für zyklische hohe Drücke in einer Kraftstoffeinspritzvorrichtung

Info

Publication number
DE69736964D1
DE69736964D1 DE69736964T DE69736964T DE69736964D1 DE 69736964 D1 DE69736964 D1 DE 69736964D1 DE 69736964 T DE69736964 T DE 69736964T DE 69736964 T DE69736964 T DE 69736964T DE 69736964 D1 DE69736964 D1 DE 69736964D1
Authority
DE
Germany
Prior art keywords
fuel injector
high pressures
fluid seal
cyclic high
cyclic
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.)
Expired - Fee Related
Application number
DE69736964T
Other languages
English (en)
Other versions
DE69736964T2 (de
Inventor
Alan R Stockner
Jay E Tomaseski
Norval J Wiemken
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.)
Caterpillar Inc
Original Assignee
Caterpillar Inc
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 Caterpillar Inc filed Critical Caterpillar Inc
Publication of DE69736964D1 publication Critical patent/DE69736964D1/de
Application granted granted Critical
Publication of DE69736964T2 publication Critical patent/DE69736964T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • 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
    • F16J—PISTONS; CYLINDERS; SEALINGS
    • F16J15/00—Sealings
    • F16J15/002—Sealings comprising at least two sealings in succession
    • F16J15/006—Sealings comprising at least two sealings in succession with division of the 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
    • F02M57/00—Fuel-injectors combined or associated with other devices
    • F02M57/02—Injectors structurally combined with fuel-injection pumps
    • 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
    • F02M59/00—Pumps specially adapted for fuel-injection and not provided for in groups F02M39/00 -F02M57/00, e.g. rotary cylinder-block type of pumps
    • F02M59/44—Details, components parts, or accessories not provided for in, or of interest apart from, the apparatus of groups F02M59/02 - F02M59/42; Pumps having transducers, e.g. to measure displacement of pump rack or piston
    • F02M59/442—Details, components parts, or accessories not provided for in, or of interest apart from, the apparatus of groups F02M59/02 - F02M59/42; Pumps having transducers, e.g. to measure displacement of pump rack or piston means preventing fuel leakage around pump plunger, e.g. fluid barriers
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Fuel-Injection Apparatus (AREA)
DE69736964T 1996-05-23 1997-04-07 Flüssigkeitsdichtung für zyklische hohe Drücke in einer Kraftstoffeinspritzvorrichtung Expired - Fee Related DE69736964T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US652174 1984-09-18
US08/652,174 US5682861A (en) 1996-05-23 1996-05-23 Fluid seal for cyclic high pressures within a fuel injection

Publications (2)

Publication Number Publication Date
DE69736964D1 true DE69736964D1 (de) 2007-01-04
DE69736964T2 DE69736964T2 (de) 2007-09-13

Family

ID=24615798

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69736964T Expired - Fee Related DE69736964T2 (de) 1996-05-23 1997-04-07 Flüssigkeitsdichtung für zyklische hohe Drücke in einer Kraftstoffeinspritzvorrichtung

Country Status (4)

Country Link
US (2) US5682861A (de)
EP (1) EP0809015B1 (de)
JP (1) JPH1061528A (de)
DE (1) DE69736964T2 (de)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6138923A (en) * 1997-03-25 2000-10-31 Isuzu Motors Limited Injector
JP3552464B2 (ja) * 1997-05-30 2004-08-11 三菱電機株式会社 機関の燃料供給装置
US5992768A (en) * 1997-12-08 1999-11-30 Caterpillar Inc. Fluid seal for cyclic high pressures within a fuel injector
JPH11324855A (ja) * 1998-05-01 1999-11-26 Komatsu Ltd オイルシール付燃料噴射装置
IT1306319B1 (it) * 1998-07-16 2001-06-04 Magneti Marelli Spa Gruppo di alimentazione di carburante ad un motore endotermico
US6543784B2 (en) 2000-12-19 2003-04-08 Caterpillar Inc Wear compensating plunger-and-barrel seal for hydraulic fuel injectors
US6776143B2 (en) * 2001-01-08 2004-08-17 Robert Bosch Gmbh Fuel injector for an internal combustion engine
US6598579B2 (en) * 2001-01-08 2003-07-29 Diesel Technology Company Fuel injection pump for an internal combustion engine
EP2290267B1 (de) * 2001-06-04 2018-04-11 NOK Corporation Dichtungsvorrichtung
US6892999B2 (en) * 2001-11-15 2005-05-17 Checkfluid Inc. Probe activated valve system
US6749129B2 (en) 2002-07-31 2004-06-15 Caterpillar Inc Directly controlled fuel injector with sealing against fluid mixing
US6880766B2 (en) * 2003-02-28 2005-04-19 Caterpillar Inc Leak arrest volume for reducing component separation and fuel injector using same
US8061328B2 (en) * 2005-03-09 2011-11-22 Caterpillar Inc. High pressure pump and method of reducing fluid mixing within same
US7640917B2 (en) * 2007-06-21 2010-01-05 Freudenberg-Nok General Partnership Gas direct injector tip seal
US8261718B2 (en) * 2007-11-01 2012-09-11 Caterpillar Inc. High pressure pump and method of reducing fluid mixing within same
US20090114190A1 (en) * 2007-11-01 2009-05-07 Caterpillar Inc. High pressure pump and method of reducing fluid mixing within same
US20090321536A1 (en) * 2008-06-30 2009-12-31 Caterpillar Inc. Piston having channel extending through piston head
US20180010600A1 (en) 2016-07-08 2018-01-11 Delphi Technologies, Inc. High-pressure fuel pump
CN109958564B (zh) * 2017-12-26 2023-09-29 天津大学（青岛）海洋工程研究院有限公司 一种用于柴油机共轨式电控喷油器的电磁阀

Family Cites Families (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1860862A (en) * 1930-10-06 1932-05-31 Pul Henry Le Combination fuel pump and fuel injector for diesel engines
FR862981A (fr) * 1940-01-19 1941-03-20 Lavalette Ateliers Constr Pompe d'injection pour moteur à combustion interne
US2328438A (en) * 1940-05-14 1943-08-31 Hydraulic Dev Corp Inc Press ram
US2323438A (en) * 1941-08-04 1943-07-06 Teletype Corp Telegraph switching apparatus
US2676061A (en) * 1951-04-24 1954-04-20 Fred J Arisman Fuel injector for internalcombustion engines
CH380441A (de) * 1959-12-31 1964-07-31 Milleville Maurice Maria Josep Vorrichtung zum Einspritzen eines flüssigen oder gasförmigen Mittels unter Druck in ein Medium
US3507584A (en) * 1968-03-27 1970-04-21 Us Navy Axial piston pump for nonlubricating fluids
GB1482450A (en) * 1971-10-29 1977-08-10 Novikov I Multi-stage reciprocating gas compressors
CA1040497A (en) * 1975-03-17 1978-10-17 Lloyd E. Johnson Sealing in fuel injection pumps
US4141675A (en) * 1975-12-22 1979-02-27 Physics International Company Gas-actuated fuel pump wherein the pump piston is driven by a spring
GB1574128A (en) * 1976-01-20 1980-09-03 Lucas Industries Ltd Fuel pump injector
US4235265A (en) * 1979-03-05 1980-11-25 The Mead Corporation Aseptic container filler apparatus
US4448574A (en) * 1982-01-25 1984-05-15 Aiko Engineering Co. Ltd. Extra-high pressure water pump
DE3338741A1 (de) * 1982-10-25 1984-04-26 Nippon Soken, Inc., Nishio, Aichi Kraftstoffeinspritzanlage fuer eine brennkraftmaschine
US5067880A (en) * 1989-05-03 1991-11-26 Kloeckner-Humboldt-Duetz Ag Fuel injection device
DE4010449A1 (de) * 1990-03-31 1991-10-02 Bosch Gmbh Robert Kraftstoffeinspritzeinrichtung, insbesondere pumpeduese
DE4237682A1 (de) * 1992-11-07 1994-05-11 Bosch Gmbh Robert Kraftstoffeinspritzeinrichtung, insbesondere Rumpedüse für Brennkraftmaschinen
DE4306073C1 (de) * 1993-02-26 1994-06-01 Siemens Ag Zumeßvorrichtung für Fluide
US5492098A (en) * 1993-03-01 1996-02-20 Caterpillar Inc. Flexible injection rate shaping device for a hydraulically-actuated fuel injection system
US5601345A (en) * 1994-12-16 1997-02-11 Kelsey-Hayes Company Stationary seal ABS pump

Also Published As

Publication number Publication date
EP0809015B1 (de) 2006-11-22
US5682861A (en) 1997-11-04
JPH1061528A (ja) 1998-03-03
DE69736964T2 (de) 2007-09-13
EP0809015A1 (de) 1997-11-26
US5901686A (en) 1999-05-11

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee