Rotary kinetic fluid motors or pumps – With lubricating – sealing – packing or bearing means having... – For shaft sealing – packing – lubricating or bearing means
Patent
1990-02-20
1991-09-10
Look, Edward K.
Rotary kinetic fluid motors or pumps
With lubricating, sealing, packing or bearing means having...
For shaft sealing, packing, lubricating or bearing means
184 611, 1841041, 415178, 415179, 417367, 384316, 384321, 384476, F01D 2508
Patent
active
050469207
ABSTRACT:
A bearing cooling system for a water turbine having a rotatable shaft connected at one end to a movable blade portion and supported by a journal bearing and by a thrust bearing having a collar, comprises a heat pipe including a first container surrounding and spaced from the rotatable shaft and extending axially from a predetermined engaging position adjacent the one end of the shaft to the journal and thrust bearings. The thrust bearing engages the outer surface of the first container, and the shaft and thrust bearing and inner surface of the container define walls of a sealed first chamber surrounding a portion of the rotatable shaft and communicating with the journal and thrust bearings. The system is adapted to include a fluid contained in the first chamber for absorbing heat generated by the journal and thrust bearings. A second container is spaced from and surrounds a portion of the first container adjacent the one end of the shaft. The first and second container together define a second chamber for receiving and containing flowing water from the turbine for cooling the fluid in the first chamber.
REFERENCES:
patent: 1841604 (1932-01-01), Johnson
patent: 2257011 (1941-09-01), Hiller
patent: 2910328 (1959-10-01), Frolich
patent: 4261165 (1981-04-01), Burgermeister
J. Miller, "Four Ways to Cool Hydraulic Oil", Hydraulics & Pneumatics, Jun. 1971, p. 69.
Adachi Akio
Higashi Izumi
Fuji Electric & Co., Ltd.
Lee Michael S.
Look Edward K.
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