Fluid-driven motor and fertilizer feeding device utilizing same

Details Fluid-driven motor and fertilizer feeding device utilizing same Fluid-driven motor and fertilizer feeding device utilizing same

1975-02-21

1977-03-15

Husar, C. J.

Pumps

Motor driven

Fluid motor

13710131, 222 57, 222334, 417477, F04B 1700

Patent

active

040121763

ABSTRACT:
A fluid-driven motor comprises a collapsible tube connectable at one end to a source of pressurized fluid, and a pinch-roller engaging the outer surface of the tube and collapsing same at the point of engagement, whereby the pressure within the tube drives the pinch-roller and a mechanical power output device coupled thereto. In the described preferred embodiment, the pinch-roller mounting is a rotary one and supports a plurality of pinch-rollers, the collapsible tube being supported in a semi-circular form so as always to be engageable by at least one of the pinch-rollers.

REFERENCES:
patent: 315667 (1885-04-01), Serdinko
patent: 2466618 (1949-04-01), Stocks
patent: 2696173 (1954-12-01), Jensen
patent: 2893356 (1959-07-01), Murray
patent: 3303748 (1967-02-01), Duryee et al.
patent: 3431864 (1969-03-01), Jones
patent: 3654959 (1972-04-01), Kassel

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