Motors: expansible chamber type – Independently operated timer – delay – pattern or cyclic control – Independent distributor actuation for cyclic control
Patent
1981-10-19
1984-01-24
Maslousky, Paul E.
Motors: expansible chamber type
Independently operated timer, delay, pattern or cyclic control
Independent distributor actuation for cyclic control
91234, 91235, 91277, F15B 2102, F01L 2102
Patent
active
044269129
ABSTRACT:
Apparatus for the continuous adjustment of the stroke amplitude of the piston of a jack, the latter having a control member of which at least part is in the form of a rod, which is movable in rotation and in translation and cooperates with the said piston, wherein said rod has an extension in the form of a differential piston which is movable in translation and in rotation within a cylinder and defining also in the latter a chamber with a large cross-section and a chamber with a small cross-section, the latter being permanently connected to a pressurized fluid source, said differential piston having an inner cavity in which is located a second rod immobilized in translation and which can be angularly oriented, said second rod being provided with a cam having two opposite edges which can cyclically uncover and cover, during the rotation of the differential piston, at least two openings respectively connected to the two chambers.
REFERENCES:
patent: 2898890 (1959-08-01), Lynott
patent: 2970570 (1961-02-01), Hill
patent: 3368457 (1968-02-01), Lewakowski
patent: 3752038 (1973-08-01), Inaba
Commissariat a l''Energie Atomique
Maslousky Paul E.
Meller Michael N.
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