US PATENT SUBCLASS 91 / 158
.~.~ Adjustment for valving for plural chambers

Current as of: June, 1999
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91 /   HD   MOTORS: EXPANSIBLE CHAMBER TYPE

152  DF  MULTIPLE EXPANSION {7}
157  DF  .~ Relative valving adjustment between high and low pressure working chambers {1}
158.~.~ Adjustment for valving for plural chambers

DEFINITION

Classification: 91/158

(under subclass 157) Apparatus wherein the valve means for a plurality of working chambers are selectively movable, each being movable independently of the other or being so interrelated that a movement of one results in a movement of the other.