Motors: expansible chamber type – Relatively movable working members with one having motive... – Single valve unit controlling plural working chambers
Patent
1986-05-07
1987-07-21
Garrett, Robert E.
Motors: expansible chamber type
Relatively movable working members with one having motive...
Single valve unit controlling plural working chambers
91325, 91401, 91410, 91520, 60579, 60581, F01L 1500, F15B 1522
Patent
active
046810218
ABSTRACT:
A driving apparatus for producing a to-and-fro movement and having four plunger cylinders and four external non-return valves. Such driving apparatus is distinguished by a particularly simple construction.
REFERENCES:
patent: 2197428 (1940-04-01), Erb
patent: 4567727 (1986-02-01), Grams
Heinemann Otto
Schmits Heinz-Herbert
Garrett Robert E.
Krupp Polysius AG
Williamson Mark A.
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