Compressor discharge muffler having cover plate

Details Compressor discharge muffler having cover plate Compressor discharge muffler having cover plate

1988-01-25

1989-06-27

Croyle, Carlton R.

Pumps

With muffler acting on pump fluid

417523, 417540, 417902, 62296, F04B 1100

Patent

active

048424927

ABSTRACT:
A hermetically sealed scotch yoke compressor assembly is disclosed wherein a crankcase includes annular channels formed on the top and bottom surfaces thereof defining muffling chambers. Gas refrigerant compressed within radially disposed cylinders into cylinder head covers is channeled into the upper annular muffler chamber and them through passages extending through the crankcase into the lower muffling chamber. An annular cover plate for covering the bottom annular channel is attached to the crankcase at its radially inner extreme and is biased against the crankcase at its radially outer extreme. Spacers between the cover plate and the crankcase provide an annular discharge opening directing discharge gas onto the motor windings.

REFERENCES:
patent: 2578785 (1951-12-01), Davis
patent: 2963218 (1960-12-01), Tower
patent: 3807907 (1974-04-01), Gannaway
patent: 4431383 (1984-02-01), Boehmier et al.
patent: 4470772 (1984-09-01), Gannaway
patent: 4569645 (1986-02-01), Asami et al.
patent: 4623304 (1986-11-01), Chikada et al.
patent: 4645429 (1987-02-01), Asami et al.

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