Seal for a joint or juncture – Seal between relatively movable parts – Relatively rotatable radially extending sealing face member
Patent
1977-07-06
1980-06-03
Smith, Robert I.
Seal for a joint or juncture
Seal between relatively movable parts
Relatively rotatable radially extending sealing face member
277 88, F16J 1534
Patent
active
042058570
ABSTRACT:
A centrifugal pump comprising a housing, a shaft rotatably mounted in a bore of the housing, a wheel fixed to a hub secured to the shaft and comprising a plurality of angularly distributed openings, a seal assembly comprising 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 members, 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 surrounding 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 connection member or the respective one of said counter-ring and said flexible member before its mounting inside said housing.
REFERENCES:
patent: 2375085 (1945-05-01), Curtis
patent: 3614272 (1971-10-01), Lightfoot
patent: 3914072 (1975-10-01), Rowley et al.
Smith Robert I.
Societe Internationale de Mecanique Industrielle S.A.
LandOfFree
Centrifugal pumps does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Centrifugal pumps, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Centrifugal pumps will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-713408