Rapid shut-off system for truck engine

Details Rapid shut-off system for truck engine Rapid shut-off system for truck engine

1989-09-06

1990-05-22

Kamen, Noah P.

Internal-combustion engines

Accessories

Covers, trays, vibrators, corrosion inhibitors, air filters

123198D, F02B 7708

Patent

active

049268155

ABSTRACT:
An engine fuel fow shut-off system particularly adapted for off-highway dumper trucks includes a spring biased fuel shut-off valve interposed in the fuel supply conduit to the truck propulsion engine, which valve is held open by a manual valve actuator and a pneumatic cylinder and piston actuator engaged with the valve actuator. Compressed gas charge bottles operable from the operator's cab and from a ground position in proximity to the vehicle boarding ladder supply pressure fluid to the cylinder actuator to disengage a pin from the valve actuator stem to permit closure of the valve and closure of a second valve to interrupt engine lube oil pressure to an engine injector system governor. The vehicle on-board fire extinguishing system is also operably connected to the cylinder actuator by way of separate pressure fluid sources to effect closure of the fuel shut-off valve upon actuation of the first extinguishing system from either the operator's cab or the ground position.

REFERENCES:
patent: 4331114 (1982-05-01), Karraker
patent: 4338896 (1982-07-01), Papasideris

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