Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
FUEL PUMP WITH AN OVERFLOW VALVE AND A BYPASS VALVE
Document Type and Number:
WIPO Patent Application WO/2010/145862
Kind Code:
A3
Abstract:
The invention relates to a fuel pump (1), which in particular serves as a pump arrangement for fuel-injection systems of air-compressing, self-igniting internal combustion engines, comprising at least one housing part (3), a first toothed wheel (15) and a second toothed wheel (16). The toothed wheels (15, 16) are arranged in the housing part (3). Furthermore, the toothed wheels (15, 16) intermesh in order to form a gear pump (17). The invention further relates to an inlet or return (35, 36) for the gear pump (17), which inlet or return (35, 36) is provided in the housing part (3).

Inventors:
FRANK JOSEF (AT)
BOECKING FRIEDRICH (DE)
ORTNER KLAUS (AT)
GREINER MATTHIAS (DE)
Application Number:
PCT/EP2010/055020
Publication Date:
October 27, 2011
Filing Date:
April 16, 2010
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
BOSCH GMBH ROBERT (DE)
FRANK JOSEF (AT)
BOECKING FRIEDRICH (DE)
ORTNER KLAUS (AT)
GREINER MATTHIAS (DE)
International Classes:
F04C2/14; F02M37/04; F04C2/08; F04C14/26; F04C15/06
Foreign References:
DE19736160A11999-02-25
DE102007026138A12008-12-11
US2977886A1961-04-04
US5381723A1995-01-17
US2955537A1960-10-11
DE19913774A12000-10-05
US20030147758A12003-08-07
EP1847713A22007-10-24
DE102008037152A12009-02-12
Other References:
"BUILT-IN VALVES FOR HYDRAULIC GEAR PUMPS AND MOTORS", ANNOUNCEMENT CASAPPA, CASAPPA, PARMA, IT, 1 January 2005 (2005-01-01), pages 1,03 - 07,09, XP001223966
Attorney, Agent or Firm:
ROBERT BOSCH GMBH (Stuttgart, DE)
Download PDF: