GB2364746B - Accumulator fuel injection system for diesel engine of automotive vehicles - Google Patents

Accumulator fuel injection system for diesel engine of automotive vehicles

Info

Publication number
GB2364746B
GB2364746B GB0125770A GB0125770A GB2364746B GB 2364746 B GB2364746 B GB 2364746B GB 0125770 A GB0125770 A GB 0125770A GB 0125770 A GB0125770 A GB 0125770A GB 2364746 B GB2364746 B GB 2364746B
Authority
GB
United Kingdom
Prior art keywords
fuel injection
diesel engine
injection system
automotive vehicles
accumulator 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.)
Expired - Fee Related
Application number
GB0125770A
Other versions
GB2364746A (en
GB0125770D0 (en
Inventor
Yoshihiro Narahara
Ken Uchiyama
Mamoru Oki
Hideo Naruse
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.)
Denso Corp
Original Assignee
Denso Corp
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
Priority claimed from JP34160897A external-priority patent/JP3389848B2/en
Priority claimed from JP9341610A external-priority patent/JPH11173192A/en
Application filed by Denso Corp filed Critical Denso Corp
Priority claimed from GB9827266A external-priority patent/GB2332241B/en
Publication of GB0125770D0 publication Critical patent/GB0125770D0/en
Publication of GB2364746A publication Critical patent/GB2364746A/en
Application granted granted Critical
Publication of GB2364746B publication Critical patent/GB2364746B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D41/00—Electrical control of supply of combustible mixture or its constituents
    • F02D41/30—Controlling fuel injection
    • F02D41/38—Controlling fuel injection of the high pressure type
    • F02D41/3809—Common rail control systems
    • F02D41/3836—Controlling the fuel pressure
    • F02D41/3863—Controlling the fuel pressure by controlling the flow out of the common rail, e.g. using pressure relief valves
    • F02D41/3872—Controlling the fuel pressure by controlling the flow out of the common rail, e.g. using pressure relief valves characterised by leakage flow in injectors
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D41/00—Electrical control of supply of combustible mixture or its constituents
    • F02D41/02—Circuit arrangements for generating control signals
    • F02D41/04—Introducing corrections for particular operating conditions
    • F02D41/042—Introducing corrections for particular operating conditions for stopping the engine
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D41/00—Electrical control of supply of combustible mixture or its constituents
    • F02D41/02—Circuit arrangements for generating control signals
    • F02D41/04—Introducing corrections for particular operating conditions
    • F02D41/06—Introducing corrections for particular operating conditions for engine starting or warming up
    • F02D41/062—Introducing corrections for particular operating conditions for engine starting or warming up for starting
    • F02D41/065—Introducing corrections for particular operating conditions for engine starting or warming up for starting at hot start or restart
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D41/00—Electrical control of supply of combustible mixture or its constituents
    • F02D41/30—Controlling fuel injection
    • F02D41/38—Controlling fuel injection of the high pressure type
    • F02D41/3809—Common rail control systems
    • F02D41/3827—Common rail control systems for diesel engines
    • 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
    • F02M63/02—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)
  • Oil, Petroleum & Natural Gas (AREA)
  • Fuel-Injection Apparatus (AREA)
  • Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)
GB0125770A 1997-12-11 1998-12-10 Accumulator fuel injection system for diesel engine of automotive vehicles Expired - Fee Related GB2364746B (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP34160897A JP3389848B2 (en) 1997-12-11 1997-12-11 Accumulator type fuel injection device
JP9341610A JPH11173192A (en) 1997-12-11 1997-12-11 Pressure accumulating type fuel injection device and pressure reducing method in pressure accumulation chamber
GB9827266A GB2332241B (en) 1997-12-11 1998-12-10 Accumulator fuel injection system for diesel engine of automotive vehicles

Publications (3)

Publication Number Publication Date
GB0125770D0 GB0125770D0 (en) 2001-12-19
GB2364746A GB2364746A (en) 2002-02-06
GB2364746B true GB2364746B (en) 2002-04-17

Family

ID=27269584

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0125770A Expired - Fee Related GB2364746B (en) 1997-12-11 1998-12-10 Accumulator fuel injection system for diesel engine of automotive vehicles

Country Status (1)

Country Link
GB (1) GB2364746B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20040055575A1 (en) * 2002-08-08 2004-03-25 Mccarthy James E. System and method for common rail pressure control
GB0428089D0 (en) * 2004-12-22 2005-01-26 Connaught Motor Co Ltd Improvements in automotive technology

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0896144A2 (en) * 1997-08-04 1999-02-10 Toyota Jidosha Kabushiki Kaisha Fuel injection control apparatus for an accumulator type engine

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0896144A2 (en) * 1997-08-04 1999-02-10 Toyota Jidosha Kabushiki Kaisha Fuel injection control apparatus for an accumulator type engine

Also Published As

Publication number Publication date
GB2364746A (en) 2002-02-06
GB0125770D0 (en) 2001-12-19

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20111210