Suction sound damper

Details Suction sound damper Suction sound damper

1987-06-26

1988-07-26

Smith, Leonard E.

Pumps

With muffler acting on pump fluid

417540, 181272, 181403, 62293, F04B 3900

Patent

active

047596937

ABSTRACT:
A suction sound damper for a slide piston refrigerant compressor that includes a suction nipple that is pushable into a groove of a cylinder cover of the compressor when the nipple is in a predetermined position, and is seatable in sockets formed in two shells of a damper housing. The shells are sealed together after the nipple is seated in the sockets. The suction nipple is of a material having a higher thermal resistance than the shell material. The damper includes intermediate walls that together with the shells form four somewhat triangular chambers with a throttle opening from the first chamber to the second chamber, an elongated throttle passage from the second chamber to third chamber and a throttle opening from the third chamber to the fourth chamber. The suction nipple opens to the first chamber and each shell includes a part of an inlet that opens to the fourth chamber.

REFERENCES:
patent: 4109751 (1978-08-01), Kabele
patent: 4370104 (1983-01-01), Nelson et al.
patent: 4449610 (1984-05-01), Bar
patent: 4450933 (1984-05-01), Fukuoka et al.
patent: 4531894 (1985-07-01), Kawai et al.
patent: 4573880 (1986-03-01), Hirano et al.
patent: 4582468 (1986-04-01), Bar

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