Pump driven by cam having the cylinder supported by the cam shaf

Details Pump driven by cam having the cylinder supported by the cam shaf Pump driven by cam having the cylinder supported by the cam shaf

1996-08-21

1999-08-10

Thorpe, Timothy S.

Pumps

Expansible chamber type

Plural pumping members in single pump chamber

417487, 417486, 417360, F04B 1922

Patent

active

059348895

ABSTRACT:
A pump for performing suction and discharge of a liquid, including: a cylinder supported at at least a first support point and a second support point; a piston slidably disposed in the cylinder and forming a pump chamber having a volume changeable by sliding movement of the piston; a drive shaft, the piston and the drive shaft moving in association with each other; a cam in contact with the drive shaft so that rotation of the cam drives the drive shaft to move, the piston sliding within the cylinder in association with movement of the drive shaft to perform suction and discharge of a liquid; and a cam rotational shaft rotatably supporting the cam and disposed at the first support point.

REFERENCES:
patent: 57190 (1866-08-01), Root
patent: 4922805 (1990-05-01), Beswick
patent: 5317873 (1994-06-01), Okuda et al.

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