Proportional force amplifier

Details Proportional force amplifier Proportional force amplifier

1977-01-21

1978-05-16

Maslousky, Paul E.

Motors: expansible chamber type

Constantly applied motive fluid with controlled venting

Fluid vented through working member

91376R, 91416, 91431, 92114, F15B 1517, F15B 910

Patent

active

040892522

ABSTRACT:
An apparatus for causing a low force input movement from a control rod to cause a corresponding movement in an output member by force amplification through hydraulic pressure. A piston is provided that has a greater pressure area on one side than on its other side. Orifice means are provided between a pressure chamber and a control chamber and between the control chamber and the reservoir such that as said second orifice means is varied, the piston will move until a null position is reached.

REFERENCES:
patent: 1585529 (1926-05-01), Boving
patent: 3343459 (1967-09-01), Jacobsen
patent: 3757640 (1973-09-01), Karol

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