DEVICE FOR MAINTAINING SYSTEMS OF INTERNAL COMBUSTION ENGINE IN WARMED UP AND RELIABLE PRE-STARTING CONDITION Russian patent published in 2003 - IPC

FIELD: mechanical engineering: internal combustion engines. SUBSTANCE: proposed device contains system of water heating owing to circulation of water through standard cooling system and in parallel through heat exchanger connected to independent power supply source, and it is furnished additionally with self-contained energy converter consisting of step-down transformer and rectifier unit connected through switch to electric motor of drive of fuel circulation pump providing circulation of fuel along following circuit: fuel tank, water-fuel heat exchanger, fuel tank, and also connected through knife switch to single-pole terminals of standard storage battery. Intermediate branch pipe with rotary disk gate is installed in pipeline of standard cooling water circulation system. Rotary disk gate is mechanically coupled with electromagnet placed in circuit of water pump drive motor. EFFECT: provision of reliable starting and higher reliability of fuel injection pumps in operation. 2 cl, 1 dwg