Birotational pump

Details Birotational pump Birotational pump

1988-09-26

1989-08-29

Croyle, Carlton R.

Pumps

Reverse flow with unidirectional drive or unidirectional...

417481, F04B 2100

Patent

active

048612367

ABSTRACT:
This invention comprises a birotational pump for the movement of air fluid through a conventional pumping mechanism. It is comprised of cylindrical piston housing, a pump shaft running through the piston housing, a piston linkage assembly secured to the pump shaft, a pair of valve plates which cover the ends of the piston housing and a cylindrical pump housing surrounding the piston housing to allow for the free movement of the piston and piston linkage. This invention will permit the free flow of fluid or air through the piston housing by creating a suction chamber in the piston housing. The fluid enters the valve plates which contain openings which line up with openings in the piston housing. As the shaft rotates the openings on the first end of the piston housing cease to line up with openings in the piston housing and openings in the second end line up to expel the fluid contained within the chamber of the piston housing cirutier of rotation of shaft can be changed. Because of the unique arrangement of the piston housing and the rotational ring washers and their pins, the pump will operate to pump fluid regardless of the direction of rotation of the pump shaft.

REFERENCES:
patent: 1452718 (1923-04-01), Wilson
patent: 1531333 (1925-03-01), Duffy
patent: 1951607 (1934-03-01), Gideon
patent: 2100318 (1937-11-01), Berhman et al.
patent: 3070075 (1962-12-01), Hanselmann
patent: 3281065 (1966-10-01), Chaffiotte
patent: 3765805 (1973-10-01), Juhasz
patent: 4406121 (1983-09-01), Pelto

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