Coupling for feeding a heat-exchange medium to a rotating body

Details Coupling for feeding a heat-exchange medium to a rotating body Coupling for feeding a heat-exchange medium to a rotating body

1991-02-12

1992-10-20

Denion, Thomas E.

Rotary kinetic fluid motors or pumps

Including additional means causing or controlling fluid flow...

415177, 415180, 285 41, 277 22, F01D 500

Patent

active

051565234

ABSTRACT:
A coupling for feeding a heat-exchange fluid between a stationary supply and a rotating body comprises a tubular rotor shaft fixed to the rotating body and rotatable about and centered on an axis and a nonrotatable housing fixed stationarily adjacent and surrounding the body. This housing is provided with an inlet connected to the supply and is formed with a passage permitting fluid communication between the supply and the body through the shaft. At least one roller bearing rotationally supports the shaft in the housing and outer and inner seals axially flanking the bearing define an annular substantially closed chamber containing the bearing and each seal between the housing and the shaft. The inner seal has an inner side exposed to the fluid and the outer seal has an outer side exposed to the surrounding atmosphere. A coolant is circulated through the chamber.

REFERENCES:
patent: 2687096 (1954-08-01), Armacost
patent: 3169939 (1965-07-01), Erbe et al.
patent: 3211471 (1965-10-01), Darlington
patent: 3477729 (1969-11-01), Hershey
patent: 4466619 (1984-08-01), Adams
patent: 4605249 (1986-08-01), Klievoneit et al.
patent: 4775293 (1988-10-01), Boster
patent: 4789188 (1988-12-01), Seabrook et al.
patent: 5035448 (1991-07-01), Seabrook et al.

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