F - Mech Eng,Light,Heat,Weapons – 04 – C
Patent
F - Mech Eng,Light,Heat,Weapons
04
C
103/94
F04C 2/32 (2006.01) F04C 2/344 (2006.01) F04C 15/00 (2006.01)
Patent
CA 1134202
ABSTRACT OF THE DISCLOSURE A vane type hydraulic pump comprising a pump housing receiving therein a non-rotatable cam ring and first and second non-rotatable but axially slidable side plates. A pump rotor rotatable integrally with a drive shaft is receiv- ed in an internal cam bore of the cam ring and, when rotated, sends out pressurized fluid to a discharge port as well as to a pressure acting chamber defined between said pump housing and said second side plate, which thus presses the first side plate on one side surface of the cam ring. The first and se- cond side plates define at a contact portion therebetween a bypass cavity, which is fluidically communicated with a flow volume control value for returning bypassed fluid from the flow volume control valve into the cam ring therethrough.
322660
Inaguma Yoshiharu
Kawabata Minoru
G. Ronald Bell & Associates
Toyoda Koki Kabushiki Kaisha
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