Mechanical end face seal having an improved mating ring

Details Mechanical end face seal having an improved mating ring Mechanical end face seal having an improved mating ring

1993-10-25

1995-11-21

Cuchlinski, Jr., William A.

Seal for a joint or juncture

Seal between relatively movable parts

Relatively rotatable radially extending sealing face member

277 67, 277 93R, F16J 1534

Patent

active

054680026

ABSTRACT:
A mechanical end face seal with a mating ring having a beveled inner diameter extending frusto-conically to the back face. Atmosphere or other fluids located outside of the housing can enter through the frusto-conical opening between the primary ring and the shaft to cool the seal rings during shaft rotation. In a preferred embodiment, a drive collar disposed adjacent the primary ring and attached to the shaft includes a series of cantilever projection portions which rotate in the atmosphere outside the housing to circulate the atmosphere into the frusto-conical space between the beveled inner diameter of the stationary mating ring to provide a fan blade effect.

REFERENCES:
patent: 2432684 (1947-12-01), Roshong
patent: 3484113 (1969-12-01), Moore
patent: 3746349 (1973-07-01), Smale et al.
patent: 3895811 (1975-07-01), Richard, Jr. et al.
patent: 4099728 (1978-07-01), Wiese
patent: 4099729 (1978-07-01), Nylykke
patent: 4114899 (1978-09-01), Kulzer et al.
patent: 4415165 (1983-11-01), Martini
patent: 5217234 (1993-06-01), Hornsby
patent: 5238253 (1993-08-01), Sieghartner
patent: 5249812 (1993-10-01), Volden et al.

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