Oil-free rotary compressor with injected water and dissolved bor

Details Oil-free rotary compressor with injected water and dissolved bor Oil-free rotary compressor with injected water and dissolved bor

1989-02-17

1990-11-06

Vrablik, John J.

Rotary expansible chamber devices

Methods

418 85, 418 97, 418DIG1, 252387, F04C 2902, F01P 1106, C10M17300

Patent

active

049682318

ABSTRACT:
In order to produce oil-free compressed air with a rotary compressor while avoiding the costs involved by a liquid-free compressor, a rotary compressor, especially a single screw rotary compressor is injected with water in which borate, preferably potassium borate is dissolved. This prevents corrosion at no additional cost while improving the bacterial purity of the air produced.

REFERENCES:
patent: 3306235 (1967-02-01), Lewis et al.
patent: 3889879 (1975-06-01), Wellman et al.
patent: 4237090 (1980-12-01), DeMonbrun et al.
patent: 4409113 (1983-10-01), Bertell
patent: 4534873 (1985-08-01), Clark

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