Swash-plate type compressor

Details Swash-plate type compressor Swash-plate type compressor

1980-07-22

1983-04-26

Freeh, William L.

Pumps

Three or more cylinders arranged in parallel, radial, or...

F04B 116, F04B 118

Patent

active

043811787

ABSTRACT:
A swash-plate type compressor wherein a plurality of pistons fitted into a plurality of cylinder bores having their center on a circle are reciprocated by a swash-plate secured to a rotary shaft at a tilt angle. A swash-plate chamber rotatably accommodating the swash-plate concurrently functions as a passage for the refrigerant gas sucked, and an annular refrigerant gas passage, whose external diameter is larger than that of a circumcircle of the aforementioned cylinder bores and whose inner side is open to the swash-plate chamber, is formed on the external side of the swash-plate chamber. This annular passage for the refrigerant gas sucked functions as a by-pass therefor, diminishes the flow resistance of the refrigerant gas, and facilitates the cooling of the pistons with a result of reducing the operation noise produced from the engaging portion of the pistons and the swash-plate.

REFERENCES:
patent: 3215341 (1965-11-01), Francis
patent: 3557664 (1971-01-01), Nomura
patent: 3712759 (1973-01-01), Olson, Jr.
patent: 4101250 (1978-07-01), Nakayama
patent: 4135862 (1979-01-01), Degawa
patent: 4229145 (1980-10-01), Izizuka
patent: 4260337 (1981-04-01), Nomura
patent: 4274813 (1981-06-01), Kishi
patent: 4299543 (1981-11-01), Shibuya

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