Turbopump sealing device

Details Turbopump sealing device Turbopump sealing device

1986-10-28

1988-05-17

Garrett, Robert E.

Rotary kinetic fluid motors or pumps

With lubricating, sealing, packing or bearing means having...

For shaft sealing, packing, lubricating or bearing means

415174, 277 65, 277 83, 384479, 384483, F01D 2516

Patent

active

047447214

ABSTRACT:
A turbopump sealing device is mounted in a case concentric with the rotary shaft between the turbine and the pump, the case defining a cavity for pressurizing gas, defined on the turbine side by a bearing ring which is integral therewith, in contact with a first floating ring secured against rotation and, on the pump side, by an applied shell one face of which is in contact with a second floating ring secured against rotation, itself bearing on a friction ring integral with the shaft, such rings being mounted on a socket concentric with the shaft, the shell being further connected to the cavity by a bellows.

REFERENCES:
patent: 2215034 (1940-09-01), Gorman
patent: 2322867 (1943-06-01), Meyer
patent: 2575549 (1951-11-01), Doble
patent: 3260530 (1966-07-01), Jelatis et al.
patent: 3977685 (1976-08-01), Greenawalt et al.
patent: 4294454 (1981-10-01), Cannings
patent: 4377290 (1983-03-01), Netzel

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