Rotary expansible chamber devices – With wear surface treatment or integrally plated wear layer
Patent
1993-09-07
1995-03-28
Bertsch, Richard A.
Rotary expansible chamber devices
With wear surface treatment or integrally plated wear layer
418179, 4182011, F01C 2100
Patent
active
054011493
ABSTRACT:
Compressor bodies, an accelerator and a main motor are disposed on a base, while an intercooler, an aftercooler, an oil cooler and a coolant cooler are disposed perpendicular to the axial direction of the motor so that the directions, in which the tube nests of the gas coolers are drawn out, are made to be the same. A control panel having a maintenance display is mounted on a front panel composed of panel portions which are mounted pivotally around respective remote or opposite side ends. Portions to be inspected daily are disposed near the front panel and one side panel adjacent thereto. The compressor bodies including rotors that have been coated with a melted and solidified substantially homogeneous and continuous layer of a tetrafluoroethylene-perfluoroalkylvinylether copolymer that is substantially devoid of pinholes.
REFERENCES:
patent: 3369736 (1968-02-01), Coleman
patent: 4571165 (1986-02-01), Murata
patent: 5011389 (1991-04-01), Timoska
patent: 5060531 (1991-10-01), Iguchi et al.
patent: 5165881 (1992-11-01), Wicen
"Energy Saving Clean Air System-Application of New Type Oil Free Screw Compressor-" (Hitachi Review vol. 65, No. 6 (1983) pp. 19 to 24).
"Latest Fluoropolymer Coating Technology", (Published by Epotec Co., Ltd.) pp. 8 and 104 and 304 (1989).
Hirose Shin-ichi
Kaneki Tadashi
Kikuchi Katsuaki
Okita Junji
Tsuru Seiji
Bertsch Richard A.
Freay Charles G.
Hitachi , Ltd.
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