GB2564469B - Compression spring for a fuel injector - Google Patents

Compression spring for a fuel injector

Info

Publication number
GB2564469B
GB2564469B GB1711300.2A GB201711300A GB2564469B GB 2564469 B GB2564469 B GB 2564469B GB 201711300 A GB201711300 A GB 201711300A GB 2564469 B GB2564469 B GB 2564469B
Authority
GB
United Kingdom
Prior art keywords
compression spring
fuel injector
injector
fuel
compression
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
GB1711300.2A
Other versions
GB201711300D0 (en
GB2564469A (en
Inventor
Peter Cooke Michael
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.)
Delphi Technologies IP Ltd
Original Assignee
Delphi Technologies IP Ltd
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 Delphi Technologies IP Ltd filed Critical Delphi Technologies IP Ltd
Priority to GB1711300.2A priority Critical patent/GB2564469B/en
Publication of GB201711300D0 publication Critical patent/GB201711300D0/en
Publication of GB2564469A publication Critical patent/GB2564469A/en
Application granted granted Critical
Publication of GB2564469B publication Critical patent/GB2564469B/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
    • 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
    • F02M63/001—Fuel-injection apparatus having injection valves held closed mechanically, e.g. by springs, and opened by a cyclically-operated mechanism for a time
    • 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
    • F02M61/20—Closing valves mechanically, e.g. arrangements of springs or weights or permanent magnets; Damping of valve lift
    • 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
    • F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F1/00—Springs
    • F16F1/02—Springs made of steel or other material having low internal friction; Wound, torsion, leaf, cup, ring or the like springs, the material of the spring not being relevant
    • F16F1/04—Wound springs
    • 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
    • F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F1/00—Springs
    • F16F1/02—Springs made of steel or other material having low internal friction; Wound, torsion, leaf, cup, ring or the like springs, the material of the spring not being relevant
    • F16F1/04—Wound springs
    • F16F1/042—Wound springs characterised by the cross-section of the wire
    • F16F1/043—Wound springs characterised by the cross-section of the wire the cross-section varying with the wire length
    • 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
    • F02M2200/50—Arrangements of springs for valves used in fuel injectors or fuel injection pumps

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Fuel-Injection Apparatus (AREA)
GB1711300.2A 2017-07-13 2017-07-13 Compression spring for a fuel injector Active GB2564469B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB1711300.2A GB2564469B (en) 2017-07-13 2017-07-13 Compression spring for a fuel injector

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1711300.2A GB2564469B (en) 2017-07-13 2017-07-13 Compression spring for a fuel injector

Publications (3)

Publication Number Publication Date
GB201711300D0 GB201711300D0 (en) 2017-08-30
GB2564469A GB2564469A (en) 2019-01-16
GB2564469B true GB2564469B (en) 2019-12-18

Family

ID=59713541

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1711300.2A Active GB2564469B (en) 2017-07-13 2017-07-13 Compression spring for a fuel injector

Country Status (1)

Country Link
GB (1) GB2564469B (en)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4407562A1 (en) * 1994-03-08 1995-09-14 Kurt Kauffmann Tech Federn Gmb Pressure coil spring with ground contact faces
KR20000065527A (en) * 1999-04-06 2000-11-15 토니헬 Spring
CN206299721U (en) * 2016-12-28 2017-07-04 济宁兴发弹簧有限公司 A kind of many variable cross-section compression springs
EP3444498A1 (en) * 2016-04-13 2019-02-20 Suncall Corporation Coil spring

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4407562A1 (en) * 1994-03-08 1995-09-14 Kurt Kauffmann Tech Federn Gmb Pressure coil spring with ground contact faces
KR20000065527A (en) * 1999-04-06 2000-11-15 토니헬 Spring
EP3444498A1 (en) * 2016-04-13 2019-02-20 Suncall Corporation Coil spring
CN206299721U (en) * 2016-12-28 2017-07-04 济宁兴发弹簧有限公司 A kind of many variable cross-section compression springs

Also Published As

Publication number Publication date
GB201711300D0 (en) 2017-08-30
GB2564469A (en) 2019-01-16

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Legal Events

Date Code Title Description
732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)

Free format text: REGISTERED BETWEEN 20190222 AND 20190227