US PATENT SUBCLASS 91 / 178
.~ Single valve unit controlling plural working chambers

Current as of: June, 1999
Click HD for Main Headings
Click for All Classes

Internet Version by PATENTEC © 1999      Terms of Use


91 /   HD   MOTORS: EXPANSIBLE CHAMBER TYPE

170 R  DF  RELATIVELY MOVABLE WORKING MEMBERS WITH ONE HAVING MOTIVE FLUID CONTROLLED BY, MOVABLY INTERCONNECTED WITH OR MOVED BY ANOTHER {12}
178.~ Single valve unit controlling plural working chambers {2}
179  DF  .~.~> Oscillating valve
180  DF  .~.~> Rotary valve

DEFINITION

Classification: 91/178

(under subclass 170) Apparatus comprising a unitary valve member which is within a single housing and movable relatively thereto to separately control separate passages communicating with different working chambers or with fluid operated valves controlling said chambers.