EP 2434137 B1 20130703 - Fuel pump for a direct injection system
Title (en)
Fuel pump for a direct injection system
Title (de)
Kraftstoffpumpe für ein Direkteinspritzsystem
Title (fr)
Pompe à combustible pour système à injection directe
Publication
Application
Priority
IT BO20100569 A 20100923
Abstract (en)
[origin: EP2434137A1] A fuel pump (4) for a direct injection system provided with a common rail (3); the fuel pump (4) has: a pumping chamber (11); a piston (12) which is slidingly mounted inside the pumping chamber (11); a suction channel (14) connected to the pumping chamber (11) and regulated by a suction valve (15); an outlet channel (16) connected to the pumping chamber (11) and regulated by an outlet valve (17); an exhaust channel (27) which originates from the outlet channel (16) and is regulated by a pressure relief valve (28); and a setting device (19) which acts on the suction valve (15) to keep the suction valve (15) open during a pumping phase of the piston (12) and is provided with a hydraulic actuator (21) which is connected to the exhaust channel (27) to be driven by the fuel pressure present in the exhaust channel (27) itself.
IPC 8 full level
F02M 59/20 (2006.01); F02M 59/34 (2006.01); F02M 59/46 (2006.01); F02M 69/02 (2006.01); F04B 49/24 (2006.01)
CPC (source: EP)
F02M 59/20 (2013.01); F02M 59/34 (2013.01); F02M 59/46 (2013.01); F02M 59/462 (2013.01); F02M 69/02 (2013.01); F04B 49/24 (2013.01)
Designated contracting state (EPC)
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
DOCDB simple family (publication)
EP 2434137 A1 20120328; EP 2434137 B1 20130703; CN 102434347 A 20120502; CN 102434347 B 20150408; IT 1401819 B1 20130828; IT BO20100569 A1 20120324
DOCDB simple family (application)
EP 11182648 A 20110923; CN 201110285643 A 20110923; IT BO20100569 A 20100923