FUEL INJECTION ADVANCE ANGLE CONTROL DEVICE Russian patent published in 1995 - IPC

FIELD: mechanical engineering; internal combustion engines. SUBSTANCE: fuel injection advance angle control device has driving gear connected with engine shaft, camshaft of fuel injection pump and shaft of electric brake, it has also pull-back spring and angular movement pickups. Driving gear is made in form of differential wave mechanism which has two rigid gears, flexible wheel and two-wave generator connected with electric brake. Two-wave generator is located inside flexible wheel which is coaxially arranged inside rigid gears for engagement with their internal teeth. One of rigid gears engages with engine shaft by its external teeth and other gear is installed on pump camshaft. EFFECT: increased accuracy of control. 2 dwg