F - Mech Eng,Light,Heat,Weapons – 02 – M
Patent
F - Mech Eng,Light,Heat,Weapons
02
M
123/131
F02M 57/02 (2006.01) F02M 59/20 (2006.01) F02M 59/32 (2006.01)
Patent
CA 1165650
Abstract of the Disclosure A fuel control system for a diesel engine, the system including a source of fuel which is fed to a plurality of injectors (one injector for each cylinder of the engine), the mechanical operation of the injectors being controlled by a cam operated lever associated with the engine. The injector is formed with a main body having mounted therein a driving piston which is adapted to be driven by the cam operated rocker arm, a floating piston and a nozzle portion. The driving piston and the floating piston form a timing chamber in the space between the pistons and the separation between the floating piston and the nozzle element forming a metering chamber, A controlled amount of fuel is introduced into the timing chamber, the amount of fuel in the timing chamber determining the time of injection. Similarly, a controlled amount of fuel is introduced to the metering chamber, the amount of fuel determing the amount of fuel injected into the associated cylinder of the engine per engine cycle. The fuel being fed to the timing and metering chambers are controlled by individual control units, which may take the form of a variable orifice, the variable orifice being responsive to control signals generated by an electronic control unit. The output of the electronic control unit is responsive to engine operating conditions which are sensed by appropriate sensors. The control of fuel to the timing and/or metering chamber may take various forms, electrical or mechanical, a signal timing control unit being utilized for the timing function of the entire engine, and a signal control unit being utilized to control the metering function for the entire engine.
389121
Hayes Edward J.
Phipps Jack R.
Bendix Corporation (the)
Macrae & Co.
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