F - Mech Eng,Light,Heat,Weapons – 16 – C
Patent
F - Mech Eng,Light,Heat,Weapons
16
C
51/36, 308/1.4
F16C 32/06 (2006.01) B24B 9/00 (2006.01) F16C 17/04 (2006.01) F16C 33/10 (2006.01)
Patent
CA 1135312
Abstract of the Disclosure It is known to provide a gas-lubricated bearing having a rotor with a smooth bearing surface and a fixed bearing plate with a spiral configuration of grooves separated by lands. The grooved surface of previous bearings may have an overall convex surface. In the present invention the individual lands are each provided with a convex surface, the central portion of the top surface of each land being raised above the edges so that wedge-shape regions are formed between the surface of the rotor on both sides of the central portion. The edges of the upper surface of each land are rounded. The grooved surface of the fixed bearing plate is made by forming a pattern of grooves in a smooth blank and subsequently rounding off the top surface of the lands by rotating the bearing plate under pressure against a soft abrasive cloth.
364832
Fetherstonhaugh & Co.
Smiths Industries Limited
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