Reduction of failure incidence of metallic diaphragms for compre

Details Reduction of failure incidence of metallic diaphragms for compre Reduction of failure incidence of metallic diaphragms for compre

1984-06-29

1987-02-24

Garrett, Robert E.

Expansible chamber devices

With fluid purifying means

92 87, 92 98R, 92104, F15B 2104

Patent

active

046448470

ABSTRACT:
In a compressor which includes an upper and lower head portions and an interposed diaphragm, provisions are made for increasing the service life of the diaphragm by reducing the incidence failure of the diaphragm due to fretting products and airborne contaminants, which collect at the outer edge of the diaphragm which results in stress concentrations at the outer edge of the diaphragm, and specifically by providing a plurality of concentric grooves in the upper head of the compressor to remove the fretting products and gas borne contaminants from build up at the outer edge of the diaphragm.

REFERENCES:
patent: 1712657 (1929-05-01), Frankenberg
patent: 2839087 (1958-06-01), Ochsner
patent: 3307403 (1967-03-01), Bernett
patent: 3416461 (1968-12-01), McFarland
patent: 3668978 (1972-06-01), Bowen
patent: 4022114 (1977-05-01), Hansen et al.
patent: 4304260 (1981-12-01), Turner et al.

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