Diaphragm for high pressure pumps, compressors or the like

Details Diaphragm for high pressure pumps, compressors or the like Diaphragm for high pressure pumps, compressors or the like

1983-10-24

1988-11-22

Garrett, Robert E.

Expansible chamber devices

Collapsible chamber wall portion

Wall portion formed of flexible material

92 99, F04B 908

Patent

active

047857196

ABSTRACT:
Diaphragms for pumps, compressors and the like are provided with a substantially flat planar end face confronting the media being pumped or compressed and have an outer peripheral zone for clamping the circumference of the diaphragm in the pump or compressor housing, an annular intermediate flexing or bending zone adjacent the clamping area, and a central thickened work zone with the flexible bending zone increasing in thickness toward the central working zone. The bending or flexing of the annular intermediate zone is limited to one side of the flat planar end face and the bending stresses are minimized.

REFERENCES:
patent: 234551 (1880-11-01), Edson
patent: 2202313 (1940-05-01), Grove
patent: 2638127 (1953-05-01), Griswald
patent: 2904068 (1959-09-01), St. Clair
patent: 3416461 (1968-12-01), McFarland
patent: 3680981 (1972-08-01), Wagner
patent: 3972654 (1976-08-01), Clayton et al.
patent: 4220836 (1980-09-01), Hersey
patent: 4284260 (1981-08-01), Baranoff
patent: 4292887 (1981-10-01), Ohta et al.

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