EP 0987437 B1 20030618 - Internal gear pump
Title (en)
Internal gear pump
Title (de)
Innenzahnrad- bzw. Innenkonturrotor-Druckmittelpumpe
Title (fr)
Pompe à engrenages internes
Publication
Application
Priority
EP 98117515 A 19980915
Abstract (en)
[origin: EP0987437A1] The pump has a casing in which the circumference of an internal gear wheel or internal shaped rotor (2) can slide on a bearing shell (7) engaged with an external gear wheel or rotor (3) so that a crescent-shaped pumping chamber is formed. At least the external circumference of the internal gear wheel or rotor, or the internal circumference of the external one, is fixed to the bearing shell, which is made of a sound-damping plastic material
IPC 1-7
IPC 8 full level
F04C 2/10 (2006.01); F04C 15/00 (2006.01)
CPC (source: EP)
F04C 2/102 (2013.01); F04C 15/0076 (2013.01)
Designated contracting state (EPC)
DE FR GB IT SE
DOCDB simple family (publication)
EP 0987437 A1 20000322; EP 0987437 B1 20030618; DE 59808764 D1 20030724
DOCDB simple family (application)
EP 98117515 A 19980915; DE 59808764 T 19980915