LOCOMOTIVE DIESEL ENGINE STARTING SYSTEM Russian patent published in 2006 - IPC F02N11/04 F02N11/08 

FIELD: transport engineering.

SUBSTANCE: invention relates to electrical equipment of vehicles and it can be used for modification of mainline and shunting diesel locomotives of all types. According to invention, proposed starting system of diesel locomotive contains storage battery, device to cut off battery from locomotive electric circuit, electric starter, contacts of starting contactors, capacitive energy stores device and diode. Starter-generator or traction generator is used as electric starter. Capacitive energy storage device is made in form of parallel or parallel-series connected two-plate capacitors. Current-limiting resistor placed in charging circuit of capacitive energy storage device is shunted by diode at flow of energy accumulator discharge current. Proposed starting system is furnished with additional contactor with winding and making contacts first of which is placed in charging circuit of capacitive energy storage device, and control relay with winding and breaking contact. Winding of control relay is connected to capacitive energy storage device through contact of starting contactor. Winding of additional contactor is connected to locomotive circuit through series-connected breaking contact of control relay, first switch with breaking contact and second switch with making contact, second making contact of additional contactor being connected in parallel to the latter.

EFFECT: prevention of charging of capacitive energy storage device to higher voltage generated by locomotive charging generator after starting of diesel engine and keeping of energy storage device between startings at low voltage and, as a result, improved reliability and increased service life of starting system.

3 cl, 1 dwg