Anti-rotation coupling for a scroll machine

Details Anti-rotation coupling for a scroll machine Anti-rotation coupling for a scroll machine

F - Mech Eng,Light,Heat,Weapons

04

D

103/17, 64/20, 2

F04D 3/02 (2006.01) F01C 17/06 (2006.01)

Patent

CA 1229016

Title ANTI-ROTATION COUPLING FOR A SCROLL MACHINE Inventor Robert E. Utter Abstract This invention is an improved "Oldham coupling" for use in a scroll machine to prevent angular rotation of one of the scroll members relative to the other. The coupling is of simplified one-piece con- struction that can be stamped from sheet metal in a single operation. The preferred embodiment is an oval-shaped stamped ring having four tabs extending from its perimeter at 90° intervals. Two of the tabs, at oppo-site sides of the ring, slidingly engage slots in one of the orbiting scroll members while the other two tabs slidingly engage slots disposed either in the stationary frame of the scroll machine or in the other scroll member.

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