Power plants – Pressure fluid source and motor – Pulsator
Patent
1990-11-15
1992-10-20
Look, Edward K.
Power plants
Pressure fluid source and motor
Pulsator
60533, 92 98D, 92 84, 74516, F15B 700
Patent
active
051559978
ABSTRACT:
A fluid transmission linear actuator having a chamber with a cylindrical boundary and a central axis. An output plunger has a head in the boundary. A neck is formed on the chamber with a passage entering it. An input plunger is axially movable in the neck. The input plunger and the ouput plunger are coaxial. A transmission capsule has a continuous skin forming a first reentrant fold between the output plunger and the boundary, and a second reentrant fold between the neck and the input plunger. A substantially incompressible fluid fills the capsule so that movement of either plunger results in proportional movement of the other plunger. This input plunger can be formed with an exponential surface so that its movement can result in a non-linear response, or in some circumstances can provide a linear output in response to a non-linear input.
REFERENCES:
patent: 1622896 (1927-03-01), Lowenstein
patent: 2208149 (1940-07-01), Vernet
patent: 2623361 (1952-12-01), Dungler
patent: 3071930 (1963-01-01), Moulin
patent: 3668871 (1972-06-01), Berndt et al.
patent: 3800674 (1974-04-01), Sember et al.
patent: 4995587 (1991-02-01), Alexius
Denion Thomas
Look Edward K.
Mon Donald D.
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