Pumps – With muffler acting on pump fluid
Patent
1988-01-25
1989-06-13
Croyle, Carlton R.
Pumps
With muffler acting on pump fluid
417366, 417419, 417902, F04B 3504, F04B 3902
Patent
active
048387690
ABSTRACT:
A compressor assembly is disclosed including a compressor mechanism mounted within a hermetically sealed housing. The compressor mechanism includes a crankcase having a suction inlet opening providing direct communication into a suction cavity within the crankcase. The compressor mechanism is located in an upper chamber of the housing and a motor is located in a lower chamber, the entire interior of the housing being at discharge pressure. Suction gas is isolated from the motor so that heat from the motor does not increase the temperature of the suction gas. The discharge tube is positioned in the lower chamber so that discharge gas flows over the motor to cool it, thereby improving efficiency.
REFERENCES:
patent: 2065162 (1936-12-01), Trask
patent: 3807907 (1974-04-01), Gannaway
patent: 4365941 (1982-12-01), Tojo et al.
patent: 4470772 (1984-09-01), Gannaway
patent: 4645429 (1987-02-01), Asami et al.
Ahlersmeyer David L.
Croyle Carlton R.
Hoffman John F.
Jeffers Albert L.
Tecumseh Products Company
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