Diaphragm pump apparatus

Details Diaphragm pump apparatus Diaphragm pump apparatus

1996-04-09

1999-01-26

Mohanty, Bibhu

Pumps

Motor driven

Fluid motor

92 96, 92 99, F04B 908, F01B 1900

Patent

active

058631844

ABSTRACT:
In a diaphragm pump apparatus having a first chamber and a second chamber divided from the first by a movable diaphragm, the diaphragm comprises on both sides annular surfaces, whereby the annular surface is rounded out and goes over into a conically tapering thickened area and the other annular surface is provided with a concavely curved rounded-out portion incorporated into the thickened area of the diaphragm. By means of this design it is achieved that even highly viscous media can be pumped with the diaphragm pump apparatus, that the diaphragm has a long lifespan and that trouble-free operation of the diaphragm pump apparatus is ensured.

REFERENCES:
patent: 1806791 (1931-05-01), Davis
patent: 2267280 (1941-12-01), Kuhnel
patent: 2651997 (1953-07-01), Lyth
patent: 3011758 (1961-12-01), McFarland
patent: 4594058 (1986-06-01), Fischell
patent: 4785719 (1988-11-01), Bachschmid
patent: 4852466 (1989-08-01), Freeman et al.
patent: 5192198 (1993-03-01), Gebauer et al.
patent: 5335584 (1994-08-01), Baird

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