EP 3073110 A1 20160928 - PUMP ASSEMBLY
Title (en)
PUMP ASSEMBLY
Title (de)
PUMPENANORDNUNG
Title (fr)
ENSEMBLE DE POMPE
Publication
Application
Priority
GB 201504999 A 20150325
Abstract (en)
A high pressure pump, comprising a lubrication and cooling circuit for driveshaft bearings (140-142), wherein low temperature, filtered fuel from the fuel tank (150) is supplied to a chamber (158) at the rear of the driveshaft (106), wherein the chamber (158) communicates directly with the rear bearing clearances, and with the front bearing clearances and cambox (108) via axial (134) and radial (136,138) driveshaft drillings, wherein the system is sealed at backleak pressure, and optionally a channel (160,172) is provided directly from the chamber to the cambox volume thereby to cool a tappet/cam rider interface.
IPC 8 full level
F04B 1/04 (2006.01); F04B 53/08 (2006.01); F04B 53/18 (2006.01)
CPC (source: EP)
F04B 1/0404 (2013.01); F04B 53/08 (2013.01); F04B 53/18 (2013.01)
Citation (search report)
- [A] JP 2003172230 A 20030620 - NACHI FUJIKOSHI CORP
- [A] DE 102011082729 A1 20130321 - BOSCH GMBH ROBERT [DE]
- [A] WO 0133077 A1 20010510 - LUK FAHRZEUG HYDRAULIK [DE], et al
- [A] DE 2628232 B1 19771110 - LANGEN & CO
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
Designated extension state (EPC)
BA ME
DOCDB simple family (publication)
EP 3073110 A1 20160928; EP 3073110 B1 20180418; GB 201504999 D0 20150506
DOCDB simple family (application)
EP 16157228 A 20160224; GB 201504999 A 20150325