Method and apparatus for enhanced scroll stability in a...

Details Method and apparatus for enhanced scroll stability in a... Method and apparatus for enhanced scroll stability in a...

F - Mech Eng,Light,Heat,Weapons

04

C

F04C 2/02 (2006.01) F01C 1/02 (2006.01) F01C 21/00 (2006.01) F04C 18/02 (2006.01) F25B 1/00 (2006.01)

Patent

CA 2059598

Title METHOD AND APPARATUS FOR ENHANCED SCROLL STABILITY IN A CO-ROTATIONAL SCROLL Inventors Robert E. Utter Daniel R. Crum Abstract In a co-rotational scroll apparatus having two interleaving scroll wraps secured to end plates rotating about parallel, non-aligned axes to produce a relative orbital motion, a mass secured to at least one of the scrolls for enhancing the nutational stability of the scroll member. Preferably, the nutation reducing means includes a mass affixed to an end plate of the scroll member to induce a dynamic imbalance during rotation of the scroll member, creating a balancing or moderating moment sufficient to compensate for the moment induced by the varying pressure of the fluids in the various compression chambers during the rotation of the scroll member.

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