EP 3081743 B1 20231122 - INTERNAL GEAR PUMP AND VEHICLE WITH AN INTERNAL GEAR PUMP
Title (en)
INTERNAL GEAR PUMP AND VEHICLE WITH AN INTERNAL GEAR PUMP
Title (de)
INNENZAHNRADPUMPE UND FAHRZEUG MIT EINER INNENZAHNRADPUMPE
Title (fr)
POMPE A ENGRENAGES INTERIEURS ET VEHICULE DOTE D'UNE TELLE POMPE
Publication
Application
Priority
DE 102015004984 A 20150418
Abstract (en)
[origin: CN106050651A] The invention relates to an internal gear pump, in particular trochoid pump, for a vehicle, with a pump housing (3) having a rotor chamber (4) in which a, an internal gear with internal teeth (7a-7g)-tasting tooth ring (6) is received, with a eccentrically to the gear ring (6) is mounted and an external gear with external teeth (12a-12f) having gear (11) is engaged in such a manner can be brought, that in a meshing portion (13a) at least one of the external teeth (12a) in one between two internal teeth (7a; 7g) lying inner tooth space rests, wherein the pump chambers (16) forming volumes between the internal teeth (7a-7g) and said external teeth (12a-12f) in a, a suction chamber (17) associated with the rotor chamber portion, starting from the tooth engagement region (13a) to adjacent to a tooth adjacent region (14a), in which at least one outer tooth (12d) on the head side to an inner teeth (7d), or abuts, to be greater and in one, a pressure chamber (18) associated with the rotor chamber portion, starting from the tooth adjacent region (14a) to the toothed engaging portion (13a) become smaller again. According to the invention, a relief channel (19) is at least provided which forms a flow connection between the tooth engaging portion (13a) and the pressure chamber (18).
IPC 8 full level
F01C 21/10 (2006.01); F04C 2/08 (2006.01); F04C 2/10 (2006.01)
CPC (source: CN EP RU)
F01C 21/108 (2013.01 - EP RU); F04C 2/088 (2013.01 - EP); F04C 2/102 (2013.01 - EP RU); F04C 15/00 (2013.01 - CN RU); F04C 2240/806 (2013.01 - CN)
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
DOCDB simple family (publication)
EP 3081743 A1 20161019; EP 3081743 B1 20231122; BR 102016008536 A2 20161116; BR 102016008536 B1 20221108; CN 106050651 A 20161026; CN 106050651 B 20200626; DE 102015004984 A1 20161020; RU 2016114430 A 20171019; RU 2016114430 A3 20191007; RU 2719005 C2 20200415
DOCDB simple family (application)
EP 16000805 A 20160408; BR 102016008536 A 20160415; CN 201610238512 A 20160418; DE 102015004984 A 20150418; RU 2016114430 A 20160414