Electronic digital governor

摘要: The present invention relates to an electronic digital governor for controlling the RPM of engine. is comprised a clock generator which includes clear pulse and latch generator. A sensor provided receiving train pulses whose number per unit time proportional counter connected counting in pulses. count carried out between consecutive fed from storing accumulated controlled by duration same equal predetermined period T. comparator has first input second switch manually controllable enter upper bound value. compares stored with value activates relay if greater than An electromechanical device engine reduce below tachometer. can be used control speed rotation internal combustion One embodiment conjunction vacuum standard equipment on engine, accurately applications where is, example, driving hydraulic pump. Existing mechanical type spinner governors cannot maintain protect, pump load damage due overshoot. movable parts are susceptible breakdown wear maintenance costs high. virtually free. There no moving accuracy attainable far superior governor. according senses revolutions being directly distributor engine's ignition system. If attached diesel does not have system, must generates series pulses, receives controlled. These through shaper filter produces at its output having square shape amplitude. these generated circuit counts stores counted over period. adjustable function cylinders operator set lower speeds. This accomplished dialing into via tumble switches, above exceed fall. At end each corresponding speeds bounds set. actual indicated that higher actuates eletromechanical fuel flow thereby reducing representing speed, increase increasing When falls within represented introduced governor, nothing. display may latch. correctly chosen, decodable so will represent current RPM. course, updated every controls only In other words, Such when total necessary but overshoot problem. eliminates this problem accordance there comprising: means including generator; said engine; generator, T; switching value, wherein value; electromagnetic device,