Rotary kinetic fluid motors or pumps – With lubricating – sealing – packing or bearing means having...
Patent
1989-10-30
1990-11-13
Look, Edward K.
Rotary kinetic fluid motors or pumps
With lubricating, sealing, packing or bearing means having...
415180, F16J 1500, F01P 700, F01D 500
Patent
active
049697960
ABSTRACT:
Method and apparatus for cooling shaft seals of a turbine-generator system which includes a hydrogen inner-cooled generator having a stator with a cylindrical core and a rotor mounted for rotation on a shaft within the cylindrical core, a turbine coupled to the shaft at one end of the generator, an exciter coupled to the shaft at the other end of the generator, and a pair of seals each of which surround the shaft at both ends of the generator for substantially minimizing a leakage of hydrogen therefrom. Each of the seals includes a seal ring with a hydrogen side and an air side, and a closed loop oil supply is provided for each such side. One closed loop oil supply supplies oil to the hydrogen side of each of the seals, and another closed loop oil supply supplies oil to the air side of each of the seals, and both oil supplies are coupled within a heat exchanger for exchanging heat between the two closed loop oil supplies.
REFERENCES:
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patent: 3210553 (1965-10-01), Cummings
patent: 3604206 (1971-09-01), Baily
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patent: 3758226 (1973-09-01), Gyurech
patent: 3976165 (1976-08-01), Pilarczyk
patent: 4005580 (1977-02-01), Swearingen
patent: 4477223 (1984-10-01), Giroux
McCarty William L.
Wescott Kermit R.
Wood Louis R.
Look Edward K.
Nguyen Hoang
Westinghouse Electric Corp.
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