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1. WO2011033379 - IMPROVED PUMP UNIT FOR AN INJECTION APPARATUS OF AN INTERNAL COMBUSTION ENGINE

Publication Number WO/2011/033379
Publication Date 24.03.2011
International Application No. PCT/IB2010/002359
International Filing Date 21.09.2010
IPC
F02M 63/02 2006.1
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
MSUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
63Other fuel-injection apparatus having pertinent characteristics not provided for in groups F02M39/-F02M57/143; Details, component parts or accessories of fuel-injection apparatus, not provided for in, or of interest apart from, the apparatus of groups F02M39/-F02M61/193
02Fuel-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
F02M 55/02 2006.1
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
MSUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
55Fuel-injection apparatus characterised by their fuel conduits or their venting means
02Conduits between injection pumps and injectors
CPC
F02M 55/025
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
MSUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
55Fuel-injection apparatus characterised by their fuel conduits or their venting means; ; Arrangements of conduits between fuel tank and pump F02M37/00
02Conduits between injection pumps and injectors ; , e.g. conduits between pump and common-rail or conduits between common-rail and injectors
025Common rails
F02M 63/0225
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
MSUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
63Other 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
02Fuel-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
0225Fuel-injection apparatus having a common rail feeding several injectors
F02M 63/025
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
MSUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
63Other 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
02Fuel-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
0225Fuel-injection apparatus having a common rail feeding several injectors
023Means for varying pressure in common rails
0235by bleeding fuel pressure
025from the common rail
F02M 63/0265
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
MSUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
63Other 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
02Fuel-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
0225Fuel-injection apparatus having a common rail feeding several injectors
0265Pumps feeding common rails
Applicants
  • POLITECNICO DI TORINO [IT]/[IT] (AllExceptUS)
  • CATANIA, Andrea, Emilio [IT]/[IT] (UsOnly)
  • FERRARI, Alessandro [IT]/[IT] (UsOnly)
Inventors
  • CATANIA, Andrea, Emilio
  • FERRARI, Alessandro
Agents
  • JORIO, Paolo
Priority Data
TO2009A00071521.09.2009IT
Publication Language English (EN)
Filing Language Italian (IT)
Designated States
Title
(EN) IMPROVED PUMP UNIT FOR AN INJECTION APPARATUS OF AN INTERNAL COMBUSTION ENGINE
(FR) UNITÉ DE POMPE AMÉLIORÉE POUR DISPOSITIF D'INJECTION DE MOTEUR À COMBUSTION INTERNE
Abstract
(EN)
A pump unit for an injection apparatus of the Common Rail type comprising a pump body housing at least one pumping element adapted to be rotatably fed to send pressurized fuel towards a feeding storage volume (5) of the injectors, belonging to the pump itself.
(FR)
L'invention concerne une unité de pompe destinée à un dispositif d'injection du type à rampe commune, qui comprend un corps de pompe contenant au moins un élément de pompage conçu pour être alimenté de manière rotative pour envoyer du carburant sous pression vers un volume (5) de stockage d'alimentation des injecteurs faisant partie de la pompe elle-même.
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