F - Mech Eng,Light,Heat,Weapons – 04 – D
Patent
F - Mech Eng,Light,Heat,Weapons
04
D
103/120
F04D 29/12 (2006.01) F04D 29/62 (2006.01) F16J 15/34 (2006.01) F16J 15/36 (2006.01)
Patent
CA 1103095
ABSTRACT OF THE DISCLOSURE A centrifugal pump comprising a housing, a shaft rotatably mounted in a bore of the housing, a wheel fixed to hub secured to the shaft and comprising a plurality of angularly distributed openings, a seal assembly com- prising a counter-ring, a friction ring secured to a flexible member and resilient means for urging the ring into contact with the counter-ring, the counter-ring and flexible member being secured to respective connection mem- bers, of which one is fitted in a recess of the housing and comprises a radial thrust surface facing said openings of the wheel while the other is fixed to the hub and is made of elastomer material, further comprising a sleeve surroun- ding the shaft, said sleeve being secured to the hub at one end thereof and being provided at its other end with a radially enlarged abutment portion to retain said one con- nection member or the respective one of said counter-ring and said flexible member before its mounting inside said housing.
281994
Robic Robic & Associes/associates
Societe Internationale de Mecanique Industrielle S.a.
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