<p>N-3-21158M/KK/79 A rotary fluid pump having a rotor with carbon vanes disposed in a rotor chamber. A cylindrical aluminum sleeve is force fitted into a mating arrangement with the inner peripheral surface of the rotor housing. The aluminum sleeve reduces the friction between the housing and the vanes. The sleeve may be of the same axial length or shorter than the rotor housing. If it is equal end seal plates are employed to provide the necessary expansion gap or end washers are employed at the housing to increase the effective axial length.</p>
申请公布号
CA1135119(A)
申请公布日期
1982.11.09
申请号
CA19790325770
申请日期
1979.04.17
申请人
NIPPON PISTON RING CO., LTD.;TOYOTA JIDOSHA KOGYO KABUSHIKI KAISHA