Two-cylinder viscous liquid pump with pipe switch

Details Two-cylinder viscous liquid pump with pipe switch Two-cylinder viscous liquid pump with pipe switch

1985-09-23

1987-07-21

Look, Edward K.

Motors: expansible chamber type

Miscellaneous

74105, 74106, 13762545, 417516, 417532, F04B 700

Patent

active

046810226

ABSTRACT:
In a two-cylinder viscous liquid pump with a pipe switch, which by means of a swing pipe alternately connects one of the pump cylinders with the conveyor pipe and releases the other pump cylinder, and which swing pipe is moved along its path of travel by a sliding pin drive via a rocking shaft at varying speeds, powered by one or more hydraulic cylinders, the invention provides a link in the transmission of motion from the drive output to the sliding pin drive, which link serves to change the distance of the connecting element of the sliding pin drive to the axis of the rocking shaft, going from a maximum distance at the beginning and end of the link travel to a minimum distance at the center of the link travel.

REFERENCES:
patent: 3027155 (1962-03-01), Paterson
patent: 3109457 (1963-11-01), Oliveau
patent: 3254660 (1966-06-01), Ray
patent: 4297908 (1981-11-01), Zimmer
patent: 4337017 (1982-06-01), Evenson
patent: 4382752 (1983-05-01), Schlecht

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