US PATENT SUBCLASS 91 / 506
.~.~.~.~ Motor operated

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

472  DF  THREE OR MORE CYLINDERS ARRANGED IN PARALLEL RADIAL OR CONICAL RELATIONSHIP WITH ROTARY TRANSMISSION AXIS {10}
499  DF  .~ Cylinders parallel to rotation axis {6}
504  DF  .~.~ Stroke control {1}
505  DF  .~.~.~ By varying reaction plate inclination relative to cylinder axes {1}
506.~.~.~.~ Motor operated

DEFINITION

Classification: 91/506

(under subclass 505) Apparatus in which the transmission element is angularly adjusted by means of a motor.

SEE OR SEARCH CLASS

417, Pumps,

222.1+, for condition responsive motor operated adjustment of an axial pump operating cam wherein a cam may be tilted relative to the drive shaft axis.