Involute scroll type positive displacement rotary fluid...

Details Involute scroll type positive displacement rotary fluid... Involute scroll type positive displacement rotary fluid...

F - Mech Eng,Light,Heat,Weapons

04

B

230/37, 103/74

F04B 17/00 (2006.01) F01C 17/06 (2006.01) F01C 21/00 (2006.01)

Patent

CA 1195550

Abstract of the Disclosure A scroll-type fluid motor or pump is provided with a roller Oldham coupling and bearing for guiding the orbiting scroll wrap relative to the fixed wrap, the coupling including plural, equal diameter cylindrical rollers disposed in overlapping but equally offset cylindrical openings forming bearing surfaces for the rollers. The diameter of each roller is such as to maintain the offset distance so that the orbiting scroll wrap is precisely guided relative to a fixed scroll wrap, whereby radial loads are fully carried by large rolling surfaces provided by the rollers. A magnetic drive system for the orbiting scroll is also disclosed.

411738

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