Device for the suction and delivery of a fluid, apparatus for di

Pumps – Motor driven – Electric or magnetic motor

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Details

417415, F04B 1700

Patent

active

055183751

ABSTRACT:
The device concerned is for pumping a fluid, and it comprises a piston (206) movable in a metering chamber (208). This piston is driven by a motor through coupling means which include a rotating head (236), provided with a guide path (238) at least locally slanting relative to the axis of the device, as well as a driving part (240) connected with the piston and moving along the guide path.

REFERENCES:
patent: 862867 (1907-08-01), Eggleston
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patent: 1792920 (1931-02-01), Myers
patent: 2297025 (1942-09-01), Russell
patent: 2592297 (1952-04-01), Laguilharre
patent: 2796295 (1957-06-01), McKinnon
patent: 3094076 (1963-06-01), Hyde
patent: 3914958 (1975-10-01), Nelson
patent: 4291588 (1981-09-01), Justice
patent: 4951854 (1990-08-01), Garnier et al.

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