US PATENT SUBCLASS 418 / 162
.~.~ With axially movable partition member


Current as of: June, 1999
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418 /   HD   ROTARY EXPANSIBLE CHAMBER DEVICES

160  DF  MOVING CYLINDER {1}
161  DF  .~ Rotating {5}
162.~.~ With axially movable partition member {1}
163  DF  .~.~.~> Cylinder and internal member rotate about non-parallel axes


DEFINITION

Classification: 418/162

(under subclass 161) Apparatus in which there is provided a barrier member for separating the inlet from the outlet having surface portions forming part of the working chamber surface, the barrier member moving or having relative

movement with a working chamber surface in a direction along or parallel to the axis of rotation of the working member incident to the expansion and contraction of the working member.