PUMP TO DELIVER FUEL FROM TANK TO AUTOMOBILE INTERNAL COMBUSTION ENGINE, THYRATRON ELECTRIC MOTOR OF PUMP DELIVERING FUEL FROM TANK TO AUTOMOBILE INTERNAL COMBUSTION ENGINE AND STATOR OF FUEL PUMP THYRATRON ELECTRIC MOTOR (VERSIONS) Russian patent published in 2006 - IPC F02M37/08 F04D5/00 H02K29/00 

FIELD: mechanical engineering; internal combustion engines.

SUBSTANCE: invention relates to fuel devices of internal combustion engines. Proposed pump designed for delivering fuel from tank to automobile internal combustion engine has housing accommodating electric motor. Pump unit with suction branch pipe and inner space is installed from one end of housing. Space in pump unit accommodates pumping device fitted on electric motor shaft. Cover with pressure branch pipe is installed from other end of housing. Electric motor of pump is essentially thyratron electric motor containing stator assembled of electric sheet steel and windings, rotor consisting of magnetic circuit with permanent magnets secured on its surface and thyratron electric motor control unit arranged in pump cover. Thyratron electric motor of pump delivering fuel from tank to automobile internal combustion engine has control unit, stator and rotor. Electric motor control unit is made in form of functionally intercoupled devices, such as device for shaping logic "1" or "0" signals depending on polarity of emf induced in corresponding winding of stator, controller for processing received logic signals and shaping output control signals, realization of initial starting mode of electric motor and operating mode, and restarting of program in case of hang up of control unit caused by interferences, device to convert output signals of control into control signals for switching device, device for switching stator windings to rotate rotor in required direction, device to protect switching transistors from through current and device to correct dynamic of motor starting. According to first design version, stator of thyratron electric motor of pump delivering fuel from tank to automobile internal combustion engine is made up of electrical sheet steel and windings. At least three projections are made uniformly over outer diameter of sheet, outer diameter of projections being equal to inner diameter of pump housing. Said projections form in assembled stator. According to second design version, stator of thyratron electric motor of pump delivering fuel from tank to automobile internal combustion engine is made up of electrical sheet steel and windings, over outer diameter of sheet equal to inner diameter of pump housing at least three slots, for instance, semiround ones are uniformly made. Said slots from channels in assembled stator.

EFFECT: provision of small-size safe pump for delivering fuel from tank to automobile internal combustion engine, improved reliability of pump and increased service life.

16 cl, 6 dwg