EP 1013926 B1 20040915 - Hydraulic positive displacement machine, in particular pump
Title (en)
Hydraulic positive displacement machine, in particular pump
Title (de)
Hydraulische Verdrängermaschine, insbesondere Verdrängerpumpe
Title (fr)
Machine hydraulique à déplacement positif, en particulier pompe
Publication
Application
Priority
DE 19858483 A 19981218
Abstract (en)
[origin: EP1013926A1] A hydraulic displacement mechanism with two relatively sliding components (31, 32, 45), one or both of which consist of a surface hardened, lubricant-containing sintered ferrite material, is new. Preferred Features: The or each sliding component (31, 32, 45) consists of a surface nitrided sintered ferrite material containing 15-25% copper, 2.5-3% molybdenum disulfide and/or 0.4% graphite.
IPC 1-7
IPC 8 full level
F04C 2/10 (2006.01); F04B 1/00 (2006.01); F04B 1/04 (2006.01); F04B 53/00 (2006.01); F04B 53/14 (2006.01); F04B 53/18 (2006.01); F04C 2/08 (2006.01); F04C 15/00 (2006.01)
CPC (source: EP US)
F01C 21/108 (2013.01 - EP US); F04B 1/0404 (2013.01 - EP US); F04C 2/082 (2013.01 - EP US); F04C 2230/22 (2013.01 - EP US); F04C 2230/92 (2013.01 - EP US); F05C 2201/0433 (2013.01 - EP US); F05C 2203/083 (2013.01 - EP US); F05C 2203/086 (2013.01 - EP US)
Designated contracting state (EPC)
BE DE FR IT
DOCDB simple family (publication)
EP 1013926 A1 20000628; EP 1013926 B1 20040915; DE 19858483 A1 20000831; DE 59910510 D1 20041021; JP 2000205142 A 20000725; US 6450792 B1 20020917
DOCDB simple family (application)
EP 99125173 A 19991217; DE 19858483 A 19981218; DE 59910510 T 19991217; JP 36121499 A 19991220; US 46848299 A 19991217