EP1752652A1 - Système d'injection de carburant - Google Patents

Système d'injection de carburant Download PDF

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Publication number
EP1752652A1
EP1752652A1 EP06014945A EP06014945A EP1752652A1 EP 1752652 A1 EP1752652 A1 EP 1752652A1 EP 06014945 A EP06014945 A EP 06014945A EP 06014945 A EP06014945 A EP 06014945A EP 1752652 A1 EP1752652 A1 EP 1752652A1
Authority
EP
European Patent Office
Prior art keywords
fuel
injection system
separator
polar
sensor
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.)
Withdrawn
Application number
EP06014945A
Other languages
German (de)
English (en)
Inventor
Giacomo G. Sciortino
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 Inc
Original Assignee
Delphi Technologies 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
Priority claimed from EP05017332A external-priority patent/EP1752651A1/fr
Application filed by Delphi Technologies Inc filed Critical Delphi Technologies Inc
Priority to EP06014945A priority Critical patent/EP1752652A1/fr
Priority to JP2008525481A priority patent/JP2009504963A/ja
Priority to PCT/EP2006/007898 priority patent/WO2007017276A1/fr
Publication of EP1752652A1 publication Critical patent/EP1752652A1/fr
Withdrawn legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D33/00—Controlling delivery of fuel or combustion-air, not otherwise provided for
    • F02D33/003—Controlling the feeding of liquid fuel from storage containers to carburettors or fuel-injection apparatus ; Failure or leakage prevention; Diagnosis or detection of failure; Arrangement of sensors in the fuel system; Electric wiring; Electrostatic discharge
    • 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
    • F02M37/22—Arrangements for purifying liquid fuel specially adapted for, or arranged on, internal-combustion engines, e.g. arrangements in the feeding system
    • F02M37/24—Arrangements for purifying liquid fuel specially adapted for, or arranged on, internal-combustion engines, e.g. arrangements in the feeding system characterised by water separating means
    • F02M37/26—Arrangements for purifying liquid fuel specially adapted for, or arranged on, internal-combustion engines, e.g. arrangements in the feeding system characterised by water separating means with water detection 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
    • 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
    • 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
    • F02M37/22—Arrangements for purifying liquid fuel specially adapted for, or arranged on, internal-combustion engines, e.g. arrangements in the feeding system
    • F02M37/32—Arrangements for purifying liquid fuel specially adapted for, or arranged on, internal-combustion engines, e.g. arrangements in the feeding system characterised by filters or filter arrangements
    • F02M37/36—Arrangements for purifying liquid fuel specially adapted for, or arranged on, internal-combustion engines, e.g. arrangements in the feeding system characterised by filters or filter arrangements with bypass 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
    • 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
    • F02M63/0026—Valves characterised by the valve actuating means electrical, e.g. using solenoid using piezoelectric or magnetostrictive actuators

Definitions

  • the invention has for its object to provide a fuel injection system, which helps to ensure optimum function of the injector permanently.
  • the sensor allows monitoring of the function of the molecular separator and the efficiency of the separation process and, in the event of insufficient reduction in the amount of polar constituent, may cause appropriate action to protect the injector, such as repeated filtering of the fuel or disconnection of the injector from the fuel supply , As a result, damage to the injector by the polar component of the fuel can be effectively prevented.
  • the damage of the piezoelectric actuator is attributed to a permeation of water molecules through the encapsulation material with which the piezoelectric actuator is encapsulated. It is believed that water penetrated into the piezoelectric actuator acts as an electrolyte and initiates silver migration which forms a contact phase between two electrodes of the piezoelectric actuator, thereby resulting in failure of the piezoelectric actuator.
  • the water concentration in diesel available in Western Europe is about 200 ppm.
  • a fluoropolymer such as PVDF, PTFE, ETFE or FEP, having encapsulant about 0.833 g ⁇ mm / (m 2 ⁇ d) is, and thus is much larger than the permeation of diesel fuel, which is at the same temperature only 0.014 g ⁇ mm / (m 2 ⁇ d).
  • the bypass mechanism may be configured to continuously re-introduce a partial flow of the fuel that has flowed through the molecular separator into the molecular separator to thereby achieve continuous multiple filtration of at least a portion of the fuel and thus further reduce the amount of the polar constituent.
  • the reduction of the amount of the polar fuel component may be due to a chemical and / or physical absorption of molecules of the polar constituent or may be through a selective membrane.
  • the pressurized by the high pressure pump 24 fuel is stored in a pressure accumulator tube 26 and passes from there into the individual injectors 10th
  • the molecule separator can be chosen to be all polar Filtering out constituents from the fuel, or using a separator arrangement comprising a plurality of individual separator elements, each of which filters out one of the harmful constituents from the fuel.

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)
  • Output Control And Ontrol Of Special Type Engine (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)
EP06014945A 2005-08-09 2006-07-18 Système d'injection de carburant Withdrawn EP1752652A1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
EP06014945A EP1752652A1 (fr) 2005-08-09 2006-07-18 Système d'injection de carburant
JP2008525481A JP2009504963A (ja) 2005-08-09 2006-08-09 燃料噴射システム
PCT/EP2006/007898 WO2007017276A1 (fr) 2005-08-09 2006-08-09 Systeme d'injection de carburant

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP05017332A EP1752651A1 (fr) 2005-08-09 2005-08-09 Système d'injection de carburant
EP06014945A EP1752652A1 (fr) 2005-08-09 2006-07-18 Système d'injection de carburant

Publications (1)

Publication Number Publication Date
EP1752652A1 true EP1752652A1 (fr) 2007-02-14

Family

ID=37027596

Family Applications (1)

Application Number Title Priority Date Filing Date
EP06014945A Withdrawn EP1752652A1 (fr) 2005-08-09 2006-07-18 Système d'injection de carburant

Country Status (3)

Country Link
EP (1) EP1752652A1 (fr)
JP (1) JP2009504963A (fr)
WO (1) WO2007017276A1 (fr)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0311162A2 (fr) 1987-10-09 1989-04-12 Separation Dynamics Inc Système d'alimentation en carburant
US5149433A (en) 1991-08-05 1992-09-22 Desalination Systems, Inc. Method and apparatus for supply of decontaminated fuel to diesel engine
DE10158547A1 (de) * 2000-11-30 2002-06-06 Denso Corp Brennkraftmaschinen-Kraftstoffeinspritzsystem
US20040004039A1 (en) * 2000-03-30 2004-01-08 Warner Timothy Neal Molecule separation device and method combining multiple filtration media

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH11107782A (ja) * 1997-10-02 1999-04-20 Hino Motors Ltd 分配型燃料噴射ポンプの制御装置

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0311162A2 (fr) 1987-10-09 1989-04-12 Separation Dynamics Inc Système d'alimentation en carburant
US5149433A (en) 1991-08-05 1992-09-22 Desalination Systems, Inc. Method and apparatus for supply of decontaminated fuel to diesel engine
US20040004039A1 (en) * 2000-03-30 2004-01-08 Warner Timothy Neal Molecule separation device and method combining multiple filtration media
DE10158547A1 (de) * 2000-11-30 2002-06-06 Denso Corp Brennkraftmaschinen-Kraftstoffeinspritzsystem

Also Published As

Publication number Publication date
WO2007017276A1 (fr) 2007-02-15
JP2009504963A (ja) 2009-02-05

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