Bellows cam plate pump

Details Bellows cam plate pump Bellows cam plate pump

1996-02-12

1997-12-23

Thorpe, Timothy

Pumps

Three or more cylinders arranged in parallel, radial, or...

417473, 92 71, 92 36, F04B 4300

Patent

active

057001359

ABSTRACT:
A cam plate pump comprises a pressurizing chamber formed by a bellows which elongates and contracts along a center axis parallel to the input shaft of the pump. The cam plate rotates together with the input shaft, and compresses the bellows via a piston. A mechanism for guiding the piston along the center axis, and a mechanism for blocking the rotational torque acting on the bellows via the piston are provided. These mechanisms prevent a bending load or twisting load from acting on the bellows.

REFERENCES:
patent: 1715735 (1929-06-01), Banning, Jr.
patent: 2392279 (1946-01-01), Woods
patent: 2889781 (1959-06-01), Thompson
patent: 4010621 (1977-03-01), Raetz
patent: 4723894 (1988-02-01), Marx
patent: 4801249 (1989-01-01), Kakizawa
patent: 4902206 (1990-02-01), Nakazawa et al.

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