Seals for rotary mechanisms

Details Seals for rotary mechanisms Seals for rotary mechanisms

1975-09-26

1976-11-09

Husar, C. J.

Rotary expansible chamber devices

Heat exchange or non-working fluid lubricating or sealing

Non-working fluid passage in inner working or reacting member

418124, F04C 2700, F04C 2900

Patent

active

039908194

ABSTRACT:
An improved rotary mechanism having a housing defining an operating chamber, a shaft journalled in the housing and extending through the chamber, a rotor journalled on the shaft and within the operating chamber, at least one seal receiving groove in the rotor and a seal within the groove having a surface sealingly engaging the housing. An elastomeric O-ring is disposed within the groove and sealingly engages the sides of the groove. It is also disposed adjacent the seal oppositely from the sealing surface. A conduit is provided for directing fluid under pressure to the interior of the O-ring to cause the same to bias the seal against the housing.

REFERENCES:
patent: 3191503 (1965-06-01), Fuehrer
patent: 3366317 (1968-01-01), Keylwert
patent: 3659503 (1972-05-01), Ehluss et al.
patent: 3799709 (1974-03-01), Reitz et al.
patent: 3881848 (1975-05-01), Huf
patent: 3909158 (1975-09-01), Martin

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