Pumps – Condition responsive control of pump drive motor – By controlling starter motor for internal combustion engine
Patent
1992-11-09
1993-11-23
Gluck, Richard E.
Pumps
Condition responsive control of pump drive motor
By controlling starter motor for internal combustion engine
417 63, 180324, 25112904, F04B 1504, B60K 2600
Patent
active
052638243
ABSTRACT:
A safety shutdown system for a vehicle containing a hazardous fluid material such as gasoline, liquid propane gas (LPG) or anhydrous ammonia (NH.sub.3) permits turn-off of the vehicle's engine and closure of the vehicle's storage tank valves by the vehicle's operator remotely located from the vehicle. The system includes a hand-held controller including a receiver and transmitter as well as a receiver/transmitter combination located in the vehicle's cab. The transmitter in the cab is coupled to a vehicle-mounted flow meter for providing an RF signal to the remote receiver for display on the hand-held controller of the amount of material discharged from the vehicle's tank. The cab-mounted receiver is responsive to an operator-initiated shutdown signal emitted by the remote controller and is coupled to a pulling solenoid which is, in turn, coupled to the storage tank valves via a cable for closing the valves and stopping the flow of hazardous material when the controller is actuated. Receipt of a shutdown signal by the vehicle-mounted receiver also results in immediate turn-off of the vehicle's engine to prevent a spark-initiated explosion and turn-off of an engine powered discharge pump attached to the vehicle' s storage tank. The remotely controlled shutdown system provides safe and reliable control of hazardous material handling, particularly in an emergency situation such as in-volving a fire or accidental spill of the material.
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Waldbeser Fred J.
Warren Ronald A.
Fredron Corp.
Gluck Richard E.
McAndrews, Jr. Roland G.
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