Suction accumulator having slide valve

Refrigeration – Refrigeration producer – Compressor-condenser-evaporator circuit

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62383, F25B 4300

Patent

active

047576960

ABSTRACT:
A suction accumulator for the compressor of a refrigeration system is disclosed in which a suction tube connected to the outlet of the accumulator extends vertically within the accumulator vessel and has liquid metering openings located adjacent to the bottom of the vessel and as gas inlet openings located adjacent to the top of the vessel between the liquid metering openings and the accumulator outlet along the length of the suction tube. A float valve member surrounds the suction tube and is slidable along the vertical length thereof. In response to the accumulation of liquid refrigerant, the valve member covers the gas inlet openings to prevent introduction of liquid refrigerant therethrough. Extension of the gas inlet opening along the vertical length of the suction tube provides progressive opening and closing by the valve member in response to changes in liquid accumulation.

REFERENCES:
patent: 1746406 (1930-02-01), Sawyer
patent: 1885836 (1932-11-01), Kellogg et al.
patent: 3180567 (1965-04-01), Quiggle et al.
patent: 3232073 (1966-02-01), Jobes et al.
patent: 3412574 (1968-11-01), Reiter
patent: 3563053 (1971-02-01), Bottum
patent: 3609990 (1971-10-01), Bottum
patent: 3626715 (1971-12-01), Bottum
patent: 3796064 (1974-03-01), Ladusaw
patent: 4583377 (1986-04-01), Viegas
patent: 4653286 (1987-03-01), Huenniger

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