Coupler and manifold assembly with differential vacuum seal mean

Details Coupler and manifold assembly with differential vacuum seal mean Coupler and manifold assembly with differential vacuum seal mean

1985-07-16

1986-12-16

Ward, Robert S.

Seal for a joint or juncture

Seal between relatively movable parts

Relatively rotatable radially extending sealing face member

277 15, 277 17, 277 81R, F16J 1534, F16J 1548

Patent

active

046291962

ABSTRACT:
A coupler and manifold assembly which makes it possible to turn the shaft and impellers of an absorption chiller circulating pump with an external drive means instead of a hermatically sealed drive means, comprising an interconnecting combination of a plurality of restrictive orifices, a plurality of solenoids, conduit, and a plurality of chambers to help provide a differential vacuum across a seal face of a double mechanical rotating seal, to substantially prevent the introduction of air into the vacuum of the essentially closed system of an absorption chiller, during operation and/or shut down of the absorption chiller.

REFERENCES:
patent: 2085777 (1937-07-01), Williams
patent: 2710205 (1955-06-01), Brkich
patent: 3334905 (1967-08-01), Horwitz et al.
patent: 3360272 (1967-12-01), Blom et al.
patent: 4014555 (1977-03-01), Jacottet
patent: 4290609 (1981-09-01), Dumont

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