F - Mech Eng,Light,Heat,Weapons – 04 – C
Patent
F - Mech Eng,Light,Heat,Weapons
04
C
103/74, 230/90
F04C 27/00 (2006.01) F01C 21/08 (2006.01)
Patent
CA 1081190
ABSTRACT OF THE DISCLOSURE A dry rotary fluid pump or compressor includes a rotor eccentrically supported in a rotor chamber generally defined by a stator housing and two end heads. Two side plates each interposed between the housing and each of the end heads form end chambers between the respective side plates and the end heads. The end chambers are supplied with a pressure higher than that of the rotor chamber so as to bring the side plates into close contact with opposite side faces of the rotor. The side plates are formed of a material having an abrasion resis- tance higher than that of at least the opposite side faces of the rotor.
290392
Maeda Toshiyuki
Saitou Tadashi
Sakamaki Hiroshi
Ushijima Fumihiro
Nippon Piston Ring Co.
Toyota Jidosha Kabushiki Kaisha
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