EP 1730405 A1 20061213 - ENGINE SPEED-DEPENDENT PRESSURE REGULATION OF OIL PUMPS
Title (en)
ENGINE SPEED-DEPENDENT PRESSURE REGULATION OF OIL PUMPS
Title (de)
DREHZAHLABH NGIGE DRUCKREGELUNG VON LPUMPEN
Title (fr)
REGULATION DE LA PRESSION DE POMPES A HUILE EN FONCTION DU REGIME DU MOTEUR
Publication
Application
Priority
- IB 2004003910 W 20041129
- DE 10357619 A 20031210
- DE 102004007323 A 20040214
- DE 102004012726 A 20040316
Abstract (en)
[origin: WO2005057013A1] An engine speed-dependent oil pressure regulation of control oil pumps for the lubricant supply of internal combustion engines is ensured by a control piston (1) that hydraulically controls the delivery regulation and to which a differential pressure piston (20) applies a variable additional force. For this purpose, a centrifugal force which is generated in a radial bore (26) of a rotating conveyor wheel (5) of the control oil pump and is variable as a function of engine speed is applied to the differential pressure piston (20).
IPC 8 full level
F04C 14/18 (2006.01)
CPC (source: EP US)
F04C 14/185 (2013.01 - EP US); F04C 2270/05 (2013.01 - EP US); F04C 2270/052 (2013.01 - EP US)
Citation (search report)
See references of WO 2005057013A1
Designated contracting state (EPC)
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LU MC NL PL PT RO SE SI SK TR
DOCDB simple family (publication)
WO 2005057013 A1 20050623; EP 1730405 A1 20061213; JP 2007514097 A 20070531; US 2007111855 A1 20070517
DOCDB simple family (application)
IB 2004003910 W 20041129; EP 04799011 A 20041129; JP 2006543638 A 20041129; US 58114804 A 20041129