Hermetic motor-compressor unit for refrigeration circuits

Details Hermetic motor-compressor unit for refrigeration circuits Hermetic motor-compressor unit for refrigeration circuits

1988-02-16

1988-12-27

Croyle, Carlton R.

Pumps

With muffler acting on pump fluid

417313, 417360, 417363, 417902, F04B 2100, F04B 1700

Patent

active

047937750

ABSTRACT:
An intake pipe (58) termimates at and is sealed to the outside of the casing of the unit. The outlet of this pipe into the casing is an orifice in the wall (120) of the casing. The intake opening of the motor-compressor is provided with a connector duct in the form of a separator-silencer body (56) which has an inlet aperture (86) facing the outlet orifice (124) of the intake pipe and which carries a suction cup (62) in the form of a cup of material that is resiliently deformable in an axial sense. The bottom of the suction cup (62) communicates with the interior of the intake duct (56) while the edge of the suction cup is pressed into resilient engagement with the inner surface of the wall (120) of the casing around the outlet orifice (124).

REFERENCES:
patent: 2133875 (1938-10-01), Steenstrup
patent: 3187996 (1965-06-01), Ruelsgaard
patent: 4086032 (1978-04-01), Nishioka et al.
patent: 4531894 (1985-07-01), Kawai et al.
patent: 4606706 (1986-08-01), Utter

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