Rotary kinetic fluid motors or pumps – With shaft connected fluid force subjected thrust balancing... – In separate chamber having non-system fluid inlet
Patent
1990-12-17
1992-04-14
Denion, Thomas E.
Rotary kinetic fluid motors or pumps
With shaft connected fluid force subjected thrust balancing...
In separate chamber having non-system fluid inlet
415104, 415107, 277 27, 310 905, F01D 300, F01D 304
Patent
active
051042843
ABSTRACT:
Thrust compensating apparatus for providing a thrust force to compensate for the thrust forces applied to the shaft of single stage overhung turbo machines by the fluid pressure in the cavity of the turbo machine is disclosed and includes a thrust compensating member attached to the shaft of the turbo machine and having a first surface subjected to the fluid pressure in the cavity, an annular seal, an annulus cavity formed by a second surface of the thrust compensating member and the annular seal and venting apparatus for controlling the fluid pressure in the annulus cavity resulting in a compensating thrust force being applied to the thrust compensating member as a result of the differential in pressure across the first and second surfaces of the thrust compensating member.
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Hustak, Jr. Jerome F.
Peer David J.
Denion Thomas E.
Dresser-Rand Company
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