US PATENT SUBCLASS 415 / 41
.~.~.~ With latch means for valve actuator

Current as of: June, 1999
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415 /   HD   ROTARY KINETIC FLUID MOTORS OR PUMPS

13  DF  WITH CONTROL MEANS RESPONSIVE TO NON-CYCLIC CONDITION SENSING, CENTRIFUGAL ACTUATION OR TORQUE {13}
30  DF  .~ By shaft speed or torque responsive means {5}
36  DF  .~.~ Of working fluid valve or vane {6}
41.~.~.~ With latch means for valve actuator

DEFINITION

Classification: 415/41

(under subclass 36) Apparatus including disabling means which prevents operation of a flow controlling means until the disabling means is moved or caused to move from its disabling position.

(1) Note. Many of the patents in this subclass involve an emergency stop valve which is latched in open position and an emergency governor which at a predetermined speed, trips the latch and permits the emergency stop valve to close.