Load sensing pull-type hydraulic amplifying fluid motor

Details Load sensing pull-type hydraulic amplifying fluid motor Load sensing pull-type hydraulic amplifying fluid motor

1976-05-04

1977-12-06

Maslousky, Paul E.

Motors: expansible chamber type

Working member position feedback to motive fluid control

Follower type

91378, 91391R, F15B 910, F15B 1310

Patent

active

040610799

ABSTRACT:
A fluid operated motor amplifies input force and communicates a greater amount of output force to a reaction device. Input effort is directly proportional to the amplified output effort. A power piston residing in a cylinder bore has an input rod, having a spool valve and a reaction piston, laterally movable through a bore in the power piston. Fluid flow is metered to a working chamber by the spool valve in response to the position of the input rod. An output rod moves with the power piston to deliver an amplified force to a linkage.

REFERENCES:
patent: 717810 (1903-01-01), Carmichael
patent: 2384962 (1945-09-01), Pohl
patent: 2909157 (1959-10-01), Reis
patent: 2926635 (1960-03-01), Leonard et al.
patent: 2959156 (1960-11-01), Dreptin
patent: 3199413 (1965-08-01), Morgetts
patent: 3532027 (1970-10-01), MacDuff et al.

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