Scroll compressor top cover plate

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

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Details

418181, 417902, F04C 1804, F04C 2906, F04B 3914

Patent

active

049116207

ABSTRACT:
A scroll-type hermetic compressor is disclosed including a compressor mechanism having a fixed scroll member. The fixed scroll member includes a plate portion that is subject to forces causing deflection thereof. A housing cover plate is attached to the back surface of the fixed scroll member so as to define a discharge pressure chamber therebetween for exposing a partial area of the back surface to compressed refrigerant fluid. The discharge pressure chamber also serves as a discharge muffler. Also disclosed is a method of assembling a compressor wherein a compressor mechanism is mounted to a top cover plate before the top cover plate is attached to an open-ended shell to form a hermetically sealed housing. The compressor mechanism is suspended from the top cover plate and extends into the interior of the housing.

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patent: 4696629 (1987-09-01), Shiibayashi et al.
patent: 4767293 (1988-08-01), Caillat et al.

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