Scroll machine sound attenuation

Rotary expansible chamber devices – Working member has planetary or planetating movement – Helical working member – e.g. – scroll

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418 555, 418 57, 464102, F01C 104, F16D 304

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active

055384080

ABSTRACT:
A scroll-type machine has a motion controlling member for preventing relative rotation between a first and a second scroll member while allowing relative orbiting motion therebetween. The scroll-type machine includes a novel arrangement of a spring or other flexible member for biasing the motion controlling member in a specific direction. The biasing of the motion controlling member operates to reduce the mechanical impact noise or rattle which is caused by the vibration of the machine's operating components.

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