Suction system of hermetic refrigeration compressor

Details Suction system of hermetic refrigeration compressor Suction system of hermetic refrigeration compressor

1987-11-25

1990-03-27

Smith, Leonard E.

Pumps

With muffler acting on pump fluid

417902, 181403, F04B 3900

Patent

active

049116193

ABSTRACT:
The invention relates to a hermetic refrigeration compressor of the type including a motor compressor unit (1) suspended within a hermetic case (3). The motor compressor unit (1) comprises a cylinder provided with cylinder head (12) defining suction and discharge chambers with their corresponding values, and a suction muffler set (100). According to the invention, the suction muffles set comprises a small muffler shell (110) mounted outside the cylinder head, and an insulating hollow body (120) lining the suction chamber (13) of the cylinder head (12). A strainer device (118) is fixed between the two half parts forming the hollow body (120). This configuration facilitates the assembling of the strainer (118) and guarantees its tight fixation without any kind of fixing frame or ring. This makes it possible to enlarge considerably the area of the strainer, thus avoiding heat transfer from the metal strainer to the suction gas flow when passing throughout the meshes.

REFERENCES:
patent: 4755108 (1988-07-01), Todescat et al.

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