Piston and extensible cylinder therefor

Details Piston and extensible cylinder therefor Piston and extensible cylinder therefor

1975-05-19

1977-02-08

Schwadron, Martin P.

Expansible chamber devices

Displacement control of plural cylinders arranged in...

Having motor-operated adjustment

92 51, 188 718, 188 724, 188 795GE, 188196R, F01B 3114, F15B 1524

Patent

active

040066690

ABSTRACT:
A fluid pressure actuated piston is slidably carried in a fluid pressure actuated cylinder which, in turn, is slidably carried in a fixed carrier. Movement of the cylinder is resisted by a deformable tube frictionally engaged with a fixed circular member. A predetermined fluid pressure acting across a differential area wall portion of the cylinder generates a force overcoming the frictional resistance of the deformable tube engaged with the fixed circular member thereby advancing the cylinder in the direction of movement of the pressurized piston. The output force of the piston is substantially unaffected by the force imposed on the cylinder.

REFERENCES:
patent: 3255851 (1966-06-01), Griesenbrock
patent: 3337008 (1967-08-01), Trachte
patent: 3376959 (1968-04-01), Holcomb, Jr.
patent: 3395619 (1968-08-01), Grebe
patent: 3828894 (1974-08-01), Crossman
patent: 3887042 (1975-06-01), Ditlinger et al.
patent: 3887047 (1975-06-01), Harnish et al.
patent: 3903999 (1975-09-01), Ditlinger

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