EP 1657446 A3 20130501 - Regulated water pump
Title (en)
Regulated water pump
Title (de)
Regelbare Kühlmittelpumpe
Title (fr)
Pompe à eau à débit variable
Publication
Application
Priority
DE 102004054637 A 20041112
Abstract (en)
[origin: EP1657446A2] The pump has a pressure spring arranged between a stopper and a pressure spring attachment bar (23) of an interior cylinder (18) of a valve slider (21). A piston ring is arranged in a ring retainer groove which is provided at an outer edge of a circular disk (19). The piston ring is shiftable along a cylindrical sliding surface. A sealing edge is arranged at the free end of an outer cylinder arranged at the disk.
IPC 8 full level
F04D 15/00 (2006.01)
CPC (source: EP)
F04D 15/0038 (2013.01); F05D 2270/62 (2013.01)
Citation (search report)
- [A] DE 881306 C 19530629 - VOITH GMBH J M
- [A] WO 2004088143 A1 20041014 - GERAETE & PUMPENBAU GMBH [DE], et al
- [A] US 3784318 A 19740108 - DAVIS D
Designated contracting state (EPC)
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU MC NL PL PT RO SE SI SK TR
Designated extension state (EPC)
AL BA HR LV MK YU
DOCDB simple family (publication)
EP 1657446 A2 20060517; EP 1657446 A3 20130501; DE 102004054637 A1 20060524; DE 102004054637 B4 20070426
DOCDB simple family (application)
EP 05006343 A 20050323; DE 102004054637 A 20041112