Emergency fuel flow shut-off device

Details Emergency fuel flow shut-off device Emergency fuel flow shut-off device

B - Operations, Transporting

67

D

222/4

B67D 7/32 (2010.01)

Patent

CA 1239128

ABSTRACT OF THE DISCLOSURE A device for use in automatically shutting off the flow of fuel from a dispenser is disclosed. The device comprises a servo valve connected to a fuel delivery hose through a conduit having a weakened wall section adjacent the valve. Power it supplied to the valve through a switch having an actuator which laterally engages the conduit to hold the switch normally closed for maintaining the control valve normally open. In response to pulling of the hose away from the dispenser, the valve actuator moves and opens the switch for deenergizing the control valve and thereby shutting off fuel to the delivery hose.

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