ITMI20040032A1 - VARIABLE FLOW FUEL PUMP GROUP - Google Patents

VARIABLE FLOW FUEL PUMP GROUP

Info

Publication number
ITMI20040032A1
ITMI20040032A1 IT000032A ITMI20040032A ITMI20040032A1 IT MI20040032 A1 ITMI20040032 A1 IT MI20040032A1 IT 000032 A IT000032 A IT 000032A IT MI20040032 A ITMI20040032 A IT MI20040032A IT MI20040032 A1 ITMI20040032 A1 IT MI20040032A1
Authority
IT
Italy
Prior art keywords
variable flow
pump group
fuel pump
flow fuel
revolutions
Prior art date
Application number
IT000032A
Other languages
Italian (it)
Inventor
Maurizio Marcacci
Original Assignee
Piaggio & C Spa
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 Piaggio & C Spa filed Critical Piaggio & C Spa
Priority to IT000032A priority Critical patent/ITMI20040032A1/en
Publication of ITMI20040032A1 publication Critical patent/ITMI20040032A1/en
Priority to EP04078579A priority patent/EP1555428B1/en
Priority to AT04078579T priority patent/ATE459800T1/en
Priority to DE602004025787T priority patent/DE602004025787D1/en
Priority to ES04078579T priority patent/ES2342383T3/en
Priority to TW094100314A priority patent/TW200525083A/en
Priority to CNB2005100040955A priority patent/CN100419250C/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
    • F02M61/00—Fuel-injectors not provided for in groups F02M39/00 - F02M57/00 or F02M67/00
    • F02M61/14—Arrangements of injectors with respect to engines; Mounting of injectors
    • F02M61/145—Arrangements of injectors with respect to engines; Mounting of injectors the injection nozzle opening into the air intake conduit
    • 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
    • F02M35/00—Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines
    • F02M35/10—Air intakes; Induction systems
    • F02M35/10006—Air intakes; Induction systems characterised by the position of elements of the air intake system in direction of the air intake flow, i.e. between ambient air inlet and supply to the combustion chamber
    • F02M35/10078—Connections of intake systems to the engine
    • F02M35/10085—Connections of intake systems to the engine having a connecting piece, e.g. a flange, between the engine and the air intake being foreseen with a throttle valve, fuel injector, mixture ducts or the like
    • 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
    • F02M35/00—Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines
    • F02M35/10—Air intakes; Induction systems
    • F02M35/10209—Fluid connections to the air intake system; their arrangement of pipes, valves or the like
    • F02M35/10216—Fuel injectors; Fuel pipes or rails; Fuel pumps or 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
    • F02M35/00—Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines
    • F02M35/10—Air intakes; Induction systems
    • F02M35/10242—Devices or means connected to or integrated into air intakes; Air intakes combined with other engine or vehicle parts
    • F02M35/10288—Air intakes combined with another engine part, e.g. cylinder head cover or being cast in one piece with the exhaust manifold, cylinder head or engine block
    • 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
    • F02M57/022—Injectors structurally combined with fuel-injection pumps characterised by the pump drive
    • F02M57/023—Injectors structurally combined with fuel-injection pumps characterised by the pump drive mechanical
    • 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
    • F02M59/02—Pumps specially adapted for fuel-injection and not provided for in groups F02M39/00 -F02M57/00, e.g. rotary cylinder-block type of pumps of reciprocating-piston or reciprocating-cylinder type
    • F02M59/10—Pumps specially adapted for fuel-injection and not provided for in groups F02M39/00 -F02M57/00, e.g. rotary cylinder-block type of pumps of reciprocating-piston or reciprocating-cylinder type characterised by the piston-drive
    • F02M59/102—Mechanical drive, e.g. tappets or cams
    • 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
    • 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
    • F02M59/46—Valves
    • F02M59/462—Delivery valves
    • 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
    • F02M69/00—Low-pressure fuel-injection apparatus ; Apparatus with both continuous and intermittent injection; Apparatus injecting different types of fuel
    • F02M69/02—Pumps peculiar thereto
    • 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
    • F02M69/00—Low-pressure fuel-injection apparatus ; Apparatus with both continuous and intermittent injection; Apparatus injecting different types of fuel
    • F02M69/14—Low-pressure fuel-injection apparatus ; Apparatus with both continuous and intermittent injection; Apparatus injecting different types of fuel having cyclically-operated valves connecting injection nozzles to a source of fuel under pressure during the injection period
    • F02M69/145—Low-pressure fuel-injection apparatus ; Apparatus with both continuous and intermittent injection; Apparatus injecting different types of fuel having cyclically-operated valves connecting injection nozzles to a source of fuel under pressure during the injection period the valves being actuated electrically

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Fuel-Injection Apparatus (AREA)
  • Details Of Reciprocating Pumps (AREA)
  • Feeding And Controlling Fuel (AREA)
  • Reciprocating Pumps (AREA)
  • Control Of Non-Positive-Displacement Pumps (AREA)
  • Control Of The Air-Fuel Ratio Of Carburetors (AREA)
  • Control Of Positive-Displacement Pumps (AREA)

Abstract

The present invention concerns a mechanical pump group (1) for a fuel feeding system for four-stroke injection engines, mounted at the power unit (100) to carry out feeding with variable flow rate according to the revolutions of the engine.
IT000032A 2004-01-14 2004-01-14 VARIABLE FLOW FUEL PUMP GROUP ITMI20040032A1 (en)

Priority Applications (7)

Application Number Priority Date Filing Date Title
IT000032A ITMI20040032A1 (en) 2004-01-14 2004-01-14 VARIABLE FLOW FUEL PUMP GROUP
EP04078579A EP1555428B1 (en) 2004-01-14 2004-12-31 Fuel pump group with variable flow rate
AT04078579T ATE459800T1 (en) 2004-01-14 2004-12-31 VARIABLE FLOW RATE FUEL PUMP
DE602004025787T DE602004025787D1 (en) 2004-01-14 2004-12-31 Fuel pump with variable flow rate
ES04078579T ES2342383T3 (en) 2004-01-14 2004-12-31 FUEL PUMP GROUP WITH VARIABLE FLOW.
TW094100314A TW200525083A (en) 2004-01-14 2005-01-06 Fuel pump group with variable flow rate
CNB2005100040955A CN100419250C (en) 2004-01-14 2005-01-14 Fuel pump group with variable flow rate

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT000032A ITMI20040032A1 (en) 2004-01-14 2004-01-14 VARIABLE FLOW FUEL PUMP GROUP

Publications (1)

Publication Number Publication Date
ITMI20040032A1 true ITMI20040032A1 (en) 2004-04-14

Family

ID=34611239

Family Applications (1)

Application Number Title Priority Date Filing Date
IT000032A ITMI20040032A1 (en) 2004-01-14 2004-01-14 VARIABLE FLOW FUEL PUMP GROUP

Country Status (7)

Country Link
EP (1) EP1555428B1 (en)
CN (1) CN100419250C (en)
AT (1) ATE459800T1 (en)
DE (1) DE602004025787D1 (en)
ES (1) ES2342383T3 (en)
IT (1) ITMI20040032A1 (en)
TW (1) TW200525083A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102013220739A1 (en) * 2013-10-14 2015-04-16 Continental Automotive Gmbh pressure regulator

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3633136A1 (en) * 1986-09-30 1988-04-07 Daimler Benz Ag MAGNETIC VALVE-CONTROLLED INJECTION DEVICE FOR PUMP AND NOZZLE FOR AIR COMPRESSING ENGINES
DE4138290A1 (en) * 1991-11-21 1993-05-27 Kloeckner Humboldt Deutz Ag INTERNAL COMBUSTION ENGINE
FR2726606B1 (en) * 1994-11-07 1996-12-06 Chatelain Michel Francois Cons PISTON PUMP
DE19600561C1 (en) * 1996-01-09 1997-08-21 Daimler Benz Ag Plug-in pump for an internal combustion engine

Also Published As

Publication number Publication date
DE602004025787D1 (en) 2010-04-15
EP1555428A3 (en) 2007-06-06
TW200525083A (en) 2005-08-01
ATE459800T1 (en) 2010-03-15
CN100419250C (en) 2008-09-17
ES2342383T3 (en) 2010-07-06
CN1644912A (en) 2005-07-27
EP1555428A2 (en) 2005-07-20
EP1555428B1 (en) 2010-03-03

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