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FI20126142A - Fuel injection system and safety valve arrangement - Google Patents

Fuel injection system and safety valve arrangement Download PDF

Info

Publication number
FI20126142A
FI20126142A FI20126142A FI20126142A FI20126142A FI 20126142 A FI20126142 A FI 20126142A FI 20126142 A FI20126142 A FI 20126142A FI 20126142 A FI20126142 A FI 20126142A FI 20126142 A FI20126142 A FI 20126142A
Authority
FI
Finland
Prior art keywords
fuel injection
safety valve
injection system
valve arrangement
arrangement
Prior art date
Application number
FI20126142A
Other languages
Finnish (fi)
Swedish (sv)
Inventor
Janne Enlund
Original Assignee
Waertsilae Finland Oy
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 Waertsilae Finland Oy filed Critical Waertsilae Finland Oy
Priority to FI20126142A priority Critical patent/FI20126142A/en
Priority to EP13799338.2A priority patent/EP2923072B1/en
Priority to CN201380057018.9A priority patent/CN104781546B/en
Priority to PCT/FI2013/051013 priority patent/WO2014068180A1/en
Priority to KR1020157013623A priority patent/KR102032013B1/en
Publication of FI20126142A publication Critical patent/FI20126142A/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
    • 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
    • F02M63/023—Means for varying pressure in common rails
    • F02M63/0235—Means for varying pressure in common rails by bleeding fuel pressure
    • F02M63/0245—Means for varying pressure in common rails by bleeding fuel pressure between the high pressure pump and the common rail
    • 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
    • F02M55/00—Fuel-injection apparatus characterised by their fuel conduits or their venting means; Arrangements of conduits between fuel tank and pump F02M37/00
    • F02M55/007—Venting means
    • 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
    • F02M37/00—Apparatus or systems for feeding liquid fuel from storage containers to carburettors or fuel-injection apparatus; Arrangements for purifying liquid fuel specially adapted for, or arranged on, internal-combustion engines
    • F02M37/0011—Constructional details; Manufacturing or assembly of elements of fuel systems; Materials therefor
    • F02M37/0023—Valves in the fuel supply and return system
    • F02M37/0029—Pressure regulator in the low pressure fuel system
    • 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
    • F02M37/00—Apparatus or systems for feeding liquid fuel from storage containers to carburettors or fuel-injection apparatus; Arrangements for purifying liquid fuel specially adapted for, or arranged on, internal-combustion engines
    • F02M37/0047—Layout or arrangement of systems for feeding fuel
    • F02M37/0052—Details on the fuel return circuit; Arrangement of pressure regulators
    • 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
    • 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
    • F02M63/023—Means for varying pressure in common rails
    • F02M63/0235—Means for varying pressure in common rails by bleeding fuel pressure
    • F02M63/025—Means for varying pressure in common rails by bleeding fuel pressure from the common rail
    • 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
    • F02M2200/03—Fuel-injection apparatus having means for reducing or avoiding stress, e.g. the stress caused by mechanical force, by fluid pressure or by temperature variations

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)
FI20126142A 2012-11-01 2012-11-01 Fuel injection system and safety valve arrangement FI20126142A (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
FI20126142A FI20126142A (en) 2012-11-01 2012-11-01 Fuel injection system and safety valve arrangement
EP13799338.2A EP2923072B1 (en) 2012-11-01 2013-10-28 Fuel injection system
CN201380057018.9A CN104781546B (en) 2012-11-01 2013-10-28 Fuel injection system and safety valve arrangement
PCT/FI2013/051013 WO2014068180A1 (en) 2012-11-01 2013-10-28 Fuel injection system and safety valve arrangement
KR1020157013623A KR102032013B1 (en) 2012-11-01 2013-10-28 Fuel injection system and safety valve arrangement

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FI20126142A FI20126142A (en) 2012-11-01 2012-11-01 Fuel injection system and safety valve arrangement

Publications (1)

Publication Number Publication Date
FI20126142A true FI20126142A (en) 2014-05-02

Family

ID=49709707

Family Applications (1)

Application Number Title Priority Date Filing Date
FI20126142A FI20126142A (en) 2012-11-01 2012-11-01 Fuel injection system and safety valve arrangement

Country Status (5)

Country Link
EP (1) EP2923072B1 (en)
KR (1) KR102032013B1 (en)
CN (1) CN104781546B (en)
FI (1) FI20126142A (en)
WO (1) WO2014068180A1 (en)

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4392507A (en) * 1981-05-15 1983-07-12 Stant Inc. Two-stage pressure relief valve
JP2985471B2 (en) * 1992-02-04 1999-11-29 株式会社デンソー Fuel pressure regulator
FI107830B (en) * 1998-06-08 2001-10-15 Waertsilae Tech Oy Ab Control and safety valve device in a fuel supply system
DE10342485A1 (en) * 2003-09-15 2005-04-07 Robert Bosch Gmbh Pressure release device for hydraulic lines as in common rail fuel injection systems for disassembly has overlapping piston that is partly removed to increase volume
US6935314B2 (en) * 2003-12-19 2005-08-30 Millennium Industries Corp. Fuel rail air damper
DE102007016134A1 (en) * 2006-04-25 2007-11-08 Robert Bosch Gmbh High pressure fuel pump, has throttle arrangement provided at high pressure side of valve seat of pressure limiting valve, where cross section of arrangement is approximately equal to desired maximum opening cross section of valve
DE102007010502A1 (en) * 2007-03-05 2008-09-11 Robert Bosch Gmbh High-pressure fuel pump for internal-combustion engine, has pumping element for extracting fuel of suction pipe into pressure pipe, where pressure relief valve and throttle unit are connected in series in discharge line
ATE500417T1 (en) * 2008-04-18 2011-03-15 Caterpillar Motoren Gmbh & Co SAFETY VALVE
FI120886B (en) * 2008-06-05 2010-04-15 Waertsilae Finland Oy Fuel injection system for piston engine
FR2933147A3 (en) * 2008-06-26 2010-01-01 Renault Sas Pressure regulation module for fuel injection assembly of internal combustion engine, has valve permitting passage of fluid from chamber towards another chamber when upstream pressure in latter chamber is less than vaporization pressure
CN101684765B (en) * 2009-04-22 2011-05-25 北京理工大学 Low-pressure oil way pressure stabilizing and distributing device of monoblock pump fuel oil system
DE102010031356A1 (en) * 2010-07-15 2012-01-19 Robert Bosch Gmbh Throttling component for injection system of fuel-combustion engine, has common high-pressure accumulator for supplying fuel to multiple cylinders of fuel combustion engine

Also Published As

Publication number Publication date
EP2923072A1 (en) 2015-09-30
KR20150079772A (en) 2015-07-08
WO2014068180A1 (en) 2014-05-08
EP2923072B1 (en) 2016-12-07
KR102032013B1 (en) 2019-11-08
CN104781546B (en) 2017-05-03
CN104781546A (en) 2015-07-15

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Legal Events

Date Code Title Description
FD Application lapsed