US PATENT SUBCLASS 416 / 31
WITH CONTROL MEANS RESPONSIVE TO NON-CYCLIC CONDITION SENSING, CENTRIFUGAL ACTUATION, TORQUE OR THRUST

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

Internet Version by PATENTEC © 1999      Terms of Use


416 /   HD   FLUID REACTION SURFACES (I.E., IMPELLERS)

31WITH CONTROL MEANS RESPONSIVE TO NON-CYCLIC CONDITION SENSING, CENTRIFUGAL ACTUATION, TORQUE OR THRUST {9}
32  DF  .~> Control of drive brake or clutch
33  DF  .~> Plural distinct impellers having related control {1}
35  DF  .~> With electrical means comparing and reducing error related to preset datum
36  DF  .~> Plural diverse condition responsive {2}
39  DF  .~> Temperature or icing condition responsive
40  DF  .~> Responsive to relative working fluid velocity {1}
42  DF  .~> Pressure or altitude responsive
43  DF  .~> Responsive to condition of torque or thrust of device or driving or driven means or mechanism
44  DF  .~> Impeller rotation speed responsive {6}

DEFINITION

Classification: 416/31

(under the class definition) Apparatus comprising a means for controlling an apparatus part without the intervention of a human attendant in response to a condition that may or may not occur, a change in such condition, a lack of such condition or the result of such condition, the operation of said control means being caused or permitted by (1) a separate means which senses the condition (2) outward radial movement of the control means or an actuating mechanism where said means or mechanism is mounted for rotation and the radial movement due to centrifugal force occurs at a predetermined rate of rotation, or (3) direct or transmitted response of the control means to a turning, twisting or linear force on the apparatus or part thereof.