FIELD: engines.
SUBSTANCE: invention relates to starting pre-heaters of diesel engines and internal combustion engines of vehicles. Diesel liquid heater includes boiler (1), pump unit (2), ignition module (4), spark plug and electronic control unit (3). Boiler (1) includes a heat exchanger, a burner, an electromagnetic valve with an electric fuel heater and a nozzle. Pump unit (2) includes air pump, liquid and fuel pumps and electric motor. Heater is equipped with electronic safety elements, namely a coolant temperature sensor, a thermal fuse and an optical flame indicator. Coolant temperature sensor is installed on outlet pipe of heat exchanger. Thermal fuse is installed on external cylinder of heat exchanger. Optical flame indicator is installed on the burner cover. Electric circuit includes two separate circuits for switching on the heater in manual and automatic mode, for which different switches are used, which allow switching on and off each circuit independently.
EFFECT: providing safe and reliable operation of starting pre-heater from two independent control systems.
1 cl, 5 dwg
| Title | Year | Author | Number |
|---|---|---|---|
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|
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| 0 |
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