1976-09-27
1978-04-25
Blix, Trygve M.
Cutlery
74 5R, 308111, 308171, F16C 3700
Patent
active
040859827
ABSTRACT:
A liquid bearing having general utility but beneficial use in a gyroscope comprising Peltier elements which remove heat from a holder and from the thrust and journal bearing, and a low viscosity lubricant such as n-heptane or a fluorocarbon is introduced into the evacuated gyroscope casing to fill the voids therein. The low viscosity lubricant surrounds the journal and thrust bearings. When a source of current is applied to the Peltier element, heat is removed from the journal and thrust bearings and a condensate of the low viscosity lubricant is formed on the untreated bearing surfaces, thus cooling the bearing. This heat is conducted away from the bearing surfaces via the holder, the bearing sleeve, and the Peltier elements. Grooves are formed on the bearing shaft to urge flow of the low viscosity lubricant through and around the bearing surfaces by capillary action. An alternate manner for removal of heat from the bearing surfaces, in lieu of the Peltier elements, is provided in the use of a heat pump.
REFERENCES:
patent: 3336092 (1967-08-01), Duchterman
patent: 3662609 (1972-05-01), Jacobson
patent: 3778123 (1973-12-01), Hendler et al.
patent: 3853602 (1974-12-01), Nakamura
Blix Trygve M.
Butler Douglas C.
Kennedy Thomas W.
The Singer Company
Wright Laurence A.
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