Air-cooled oil-free rotary-type compressor

Details Air-cooled oil-free rotary-type compressor Air-cooled oil-free rotary-type compressor

1994-06-03

1995-09-05

Bertsch, Richard A.

Rotary expansible chamber devices

Heat exchange or non-working fluid lubricating or sealing

418 85, 418101, 165122, 165176, 165910, F04C 2902, F04C 2904

Patent

active

054474221

ABSTRACT:
An air-cooled oil-free rotary-type compressor in accordance with the invention includes a first air cooler including a plurality of cooling pipes, a check valve, and a second air cooler. The first air cooler, the check valve and the second air cooler are provided in a passage of compressed air discharged from a compressor body. The second air cooler is disposed in a first cooling air flow direction and the second air cooler is disposed in a second cooling air flow direction substantially perpendicular to the first cooling air flow direction. The plurality of cooling pipes of the first air cooler are arranged along the second cooling air flow direction.

REFERENCES:
patent: 3835920 (1974-09-01), Mondt
patent: 3839880 (1974-10-01), Premaza
patent: 4002198 (1977-01-01), Wagner et al.
patent: 4385505 (1983-05-01), Umezu et al.
patent: 4929161 (1990-05-01), Aoki et al.

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