GAS SUPPLY SYSTEM OF INTERNAL COMBUSTION ENGINE Russian patent published in 1994 - IPC

FIELD: mechanical engineering; engines. SUBSTANCE: system has bottle 1 with liquefied gas, two-chamber carburetor-mixer 2, gas line 7, electromagnetic nozzle 8 arranged at outlet of gas line 7 behind throttle valves 5, 6, electronic control unit coupled with engine shaft speed pickup 9, gas evaporator in form of receiver 10 with heat exchanger 11 communicating with engine cooling system provided with inlet electromagnetic valve 12. Placed between gas space of receiver 10 and outlet of nozzle 8 is gas pressure differential transducer 13 electrically coupled with valve 12. Air pressure differential transducers 14, 15 are installed between air space at inlet of carburetor-mixer 2 and zone of minimum section of each diffuser 3, 4. Electronic control unit is made up of two integrators 16, 17, amplifier-converter 18, differentiator 19, adder 20 and converter unit 21 whose output is connected to nozzle 8. Pressure differential between gas space of receiver 10 and outlet of nozzle 8 to provided optimum mixing of gas and air is maintained by means of transducer 13 in response to commands of which valve 12 providing gas supply to receiver 10 is opened or closed. EFFECT: enlarged operating capabilities. 1 dwg