Metal working – Method of mechanical manufacture – Process for making bearing or component thereof
Patent
1995-12-06
1998-05-19
Schwartz, Larry I.
Metal working
Method of mechanical manufacture
Process for making bearing or component thereof
451 51, 264162, 264296, 29898055, 295273, 29557, 29898056, F16C 3300
Patent
active
057523185
ABSTRACT:
A hydrodynamic radial bearing including a cylindrical body having an inner wall and an outer wall, at least one gutter along the inner wall and at least one wedge-shaped recess in fluid receiving communication with the at last one gutter. The at least one wedge has a wide portion immediately adjacent the gutter and a narrow portion located away from the wide portion along the circumference of the inner wall.
The bearing is manufactured by inserting the bearing into a fixture having at least one deforming protuberance located along an interior wall of the fixture so that the at least one protuberance contacts the outer wall of the bearing and elastically deforms the inner wall of the bearing. Then a machining operation is performed along the inner wall to remove the deformed portion of the inner wall. The bearing is then removed from the fixture and the machined portion of the wall retracts, forming at least one recess.
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Butler Marc W.
Gnibus Michael M.
Ingersoll-Rand Company
Schwartz Larry I.
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