System consisting of internal combustion engine

FIELD: engines and pumps.

SUBSTANCE: invention relates to mechanical engineering, namely to systems consisting of an internal combustion engine, a flywheel mounted in a starter-generator flywheel housing and connecting the flywheel to the friction clutch gearbox. System for starter generator application (3) for an internal combustion engine includes an internal combustion engine. A flywheel (1) is installed on the engine crankshaft. A starter generator (3) is mounted in the flywheel housing (2). A friction clutch (4) connects the flywheel (1) to the gearbox. At that, an intermediate element (5) is fixed on the output side of the flywheel (1). The torque transmitting fastener (8) of the intermediate element (5) on the flywheel (1) in relation to the radial distance (6) from the axis (7) of flywheel (1) rotation, is located radially inside relatively to the torque transmitting fastener (9) of the intermediate element (5) on the friction clutch (4). The intermediate element (5) forms an abutment surface (11) of the support for the friction lining (12) of the friction clutch (4).

EFFECT: invention is small, at least in the axial direction.

15 cl, 2 dwg

 



 

Same patents:

FIELD: electricity.

SUBSTANCE: in a control method of a motor-generator, in any of six sectors of -30+330 electrical degrees, in case of negative values of deviations of present values of currents from the specified ones and in case of a positive sign of deviation of the present current value from the specified one along a longitudinal axis and a negative sign of deviation of current along a cross axis, signs of all the phase voltages are set as equal.

EFFECT: reduction of additional losses in a power converter.

4 dwg, 1 tbl

FIELD: electricity.

SUBSTANCE: system comprises one inverter and one electric machine, operating as a start or as a generator, during the start the inverter provides for development of a rotating electromagnetic field and rotation of a rotor in accordance with any available program, and in the generation mode the inverter operates as a rectifier and a step-up controller of DC voltage. Its transition into the generation mode is realised with a switch of control units power supply by a signal of an electric machine rotor rpm controller, afterwards in turns, by half-cycles, power keys of the inverter are controlled from a metering element of output voltage via two width-pulse modulators.

EFFECT: stabilisation of voltage on loads with reduction of their weight and cost of a system.

1 dwg

FIELD: electricity.

SUBSTANCE: method and device to control starter - generator is proposed by the invention. Both method and device are based on the synchronous machine operation using electromagnetic excitation. The claimed method and device ensure machine operation both in starter and generator modes with minimum copper losses and minimize additional (switching) losses in the machine and power converter.

EFFECT: simple design of device, improved reliability and reduced cost while preserving all functional properties and advantages.

2 cl, 2 dwg

Starter-generator // 2321765

FIELD: automotive industry.

SUBSTANCE: starter-generator comprises two-phase rectifying inductive machine with electromagnetic asymmetry, transistor commutator made of the minimum number of switches. The main winding of each of two phases is connected with the power source through a transistor of the inverter. Each recuperating winding of two phases is connected with the power source through a diode of inverter.

EFFECT: simplified structure and reduced losses.

3 dwg

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

FIELD: electric engineering, possible use in autonomous objects, in particular, automobiles, for generation of electric energy and launching driving motor.

SUBSTANCE: energy plant with asynchronous starter-generator contains asynchronous machine, primary engine, main and additional accumulators of electric energy, current indicator of main electric energy accumulator, gate transformers. Direct current outputs of first gate transformer are directly connected to consumers of direct current of first voltage level. Additional electric energy accumulator is connected to consumers of direct current of second voltage level and through third gate transformer of direct current to direct current is connected to unipolar clamps of first gate transformer.

EFFECT: possible generation of two levels of voltage for consumers of direct current and increase of efficiency in generator mode.

2 cl, 1 dwg

Starter-generator // 2270931

FIELD: electrical engineering; vehicles with internal combustion engines.

SUBSTANCE: according to invention, proposed starter-generator is made on base of inverted contactless electric machine. Stator is rigidly connected with housing of internal combustion engine by means of fastening holes in gearbox through first construction member which serves simultaneously as holder of oil seal of crankshaft nose and sensitive elements of pickups providing information on current position of rotor. Bearing is installed in first construction member on inner surface of which second construction member with fitted-on rotor of starter-generator is installed. Second construction member is connected with nose of crankshaft through third construction member being standard flywheel of internal combustion engine rigidly connected with outer surface of second construction member through fourth construction member.

EFFECT: optimization of design of starter-generator with account of necessity of building-in into power set of automobile without modification of members of internal combustion engine and gearbox and installation of pickups of information of current position of rotor.

6 dwg

FIELD: engine manufacture; device for connecting generator, such as ac one set in motion by prime mover, to ac circuit.

SUBSTANCE: proposed method for connecting ac generator set in motion by prime mover and installed for current generation between two contacts in ac circuit includes insertion of passive member between ac generator contacts whose resistance is such that prime mover setting in motion ac generator is motionless and cannot make this generator produce current; initialization of prime mover so as to place it in position in which it can set generator in motion at frequency of ac current flowing in circuit meant for connection to generator; and connection of generator contacts to ac circuit to make generator start prime mover. Method for disconnecting ac generator includes connection of passive member in parallel with ac generator set in motion by prime mover. Passive member resistance is low enough to pass current exceeding that making it impossible to set in motion this generator by prime mover so that the latter stops running and generator is disconnected from ac circuit. Generator connecting device has passive member connected in circuit in parallel with generator and disconnected from circuit, its resistance being sufficiently low to make it impossible for prime mover to set generator in motion for producing current bypassing passive member during its parallel connection and switch designed to connect ac generator to ac circuit. Device for disconnecting ac generator has passive member connected in circuit in parallel with this generator. Passive member resistance is sufficiently low to make it impossible for prime mover to set generator in motion for producing current bypassing parallel-connected passive member and switch designed for disconnecting ac generator from ac circuit.

EFFECT: facilitated procedure and simplified design of device; enhanced reliability, facilitated use, and reduced cost of device.

24 cl, 10 dwg

FIELD: engine engineering.

SUBSTANCE: device comprises asynchronous motor with the short-circuited rotor and shaping unit that generates specified values of the components of the vector of the stator current in the frequency-current control system.

EFFECT: reduced losses.

2 cl, 3 dwg, 1 ap

Starter-generator // 2268391

FIELD: electrical engineering.

SUBSTANCE: starter-generator is made on the basis of the inverse contactless electrical machine. The stator is rigidly connected with the housing of the internal combustion engine through fastening openings of the gear box and first structural member which also represents a holder of the sealing gland for the tip of the crankshaft and sensors of the pickups for receiving information on the current position of the rotor. The first structural member is set on the outer surface of the bearing whose inner side is provided with the rotor of the starter-generator through the second structural member. The rotor of the starter-generator is connected with the face surface of the tip of the crankshaft of the internal combustion engine through the third structural member and the clutch of the gear box. The third structural member is connected with the face surface of the tip of the crankshaft through the fastening members with damping spacers.

EFFECT: improved structure.

1 cl, 5 dwg

FIELD: electrical engineering.

SUBSTANCE: invention relates to control systems of starter-generator plants of vehicles powered by internal combustion engines. According to invention, at operation of control system of starter-generator made of base of synchronous machine phase currents are measured and results are converted into rotating orthogonal system of coordinates whose one axis is directed along longitudinal axis of machine. Then actual values of currents are compared with preset values which are formed with due account of signal from accelerator pedal pressed-on sensor. Basing of results of comparing instantaneous signs of phase voltage are determined.

EFFECT: minimization of additional (switching) losses in machine and power converter.

3 cl, 4 dwg

FIELD: mechanical engineering; internal combustion engines.

SUBSTANCE: invention relates to devices for starting internal combustion engines and generation of power on board the automobile. Proposed automobile starter-generator contains thyratron motor with control controller, permanent magnets installed on flywheel and stator winding secured on crankcase. Flywheel is installed for movement relative to pack and windings of stator along axis of crankshaft. Pack of stator with windings is installed on crankcase by means of disk coaxially with flywheel and crankshaft. Plane of disk is parallel to plane of flywheel. High-voltage converter is placed at outlet of starter-generator whose control input is coupled with control controller through voltage regulator.

EFFECT: improved reliability, efficiency in operation and manufacturability and assembling of starter-generator.

6 dwg

Starter-generator // 2268391

FIELD: electrical engineering.

SUBSTANCE: starter-generator is made on the basis of the inverse contactless electrical machine. The stator is rigidly connected with the housing of the internal combustion engine through fastening openings of the gear box and first structural member which also represents a holder of the sealing gland for the tip of the crankshaft and sensors of the pickups for receiving information on the current position of the rotor. The first structural member is set on the outer surface of the bearing whose inner side is provided with the rotor of the starter-generator through the second structural member. The rotor of the starter-generator is connected with the face surface of the tip of the crankshaft of the internal combustion engine through the third structural member and the clutch of the gear box. The third structural member is connected with the face surface of the tip of the crankshaft through the fastening members with damping spacers.

EFFECT: improved structure.

1 cl, 5 dwg

FIELD: engine engineering.

SUBSTANCE: device comprises asynchronous motor with the short-circuited rotor and shaping unit that generates specified values of the components of the vector of the stator current in the frequency-current control system.

EFFECT: reduced losses.

2 cl, 3 dwg, 1 ap

FIELD: engine manufacture; device for connecting generator, such as ac one set in motion by prime mover, to ac circuit.

SUBSTANCE: proposed method for connecting ac generator set in motion by prime mover and installed for current generation between two contacts in ac circuit includes insertion of passive member between ac generator contacts whose resistance is such that prime mover setting in motion ac generator is motionless and cannot make this generator produce current; initialization of prime mover so as to place it in position in which it can set generator in motion at frequency of ac current flowing in circuit meant for connection to generator; and connection of generator contacts to ac circuit to make generator start prime mover. Method for disconnecting ac generator includes connection of passive member in parallel with ac generator set in motion by prime mover. Passive member resistance is low enough to pass current exceeding that making it impossible to set in motion this generator by prime mover so that the latter stops running and generator is disconnected from ac circuit. Generator connecting device has passive member connected in circuit in parallel with generator and disconnected from circuit, its resistance being sufficiently low to make it impossible for prime mover to set generator in motion for producing current bypassing passive member during its parallel connection and switch designed to connect ac generator to ac circuit. Device for disconnecting ac generator has passive member connected in circuit in parallel with this generator. Passive member resistance is sufficiently low to make it impossible for prime mover to set generator in motion for producing current bypassing parallel-connected passive member and switch designed for disconnecting ac generator from ac circuit.

EFFECT: facilitated procedure and simplified design of device; enhanced reliability, facilitated use, and reduced cost of device.

24 cl, 10 dwg

Starter-generator // 2270931

FIELD: electrical engineering; vehicles with internal combustion engines.

SUBSTANCE: according to invention, proposed starter-generator is made on base of inverted contactless electric machine. Stator is rigidly connected with housing of internal combustion engine by means of fastening holes in gearbox through first construction member which serves simultaneously as holder of oil seal of crankshaft nose and sensitive elements of pickups providing information on current position of rotor. Bearing is installed in first construction member on inner surface of which second construction member with fitted-on rotor of starter-generator is installed. Second construction member is connected with nose of crankshaft through third construction member being standard flywheel of internal combustion engine rigidly connected with outer surface of second construction member through fourth construction member.

EFFECT: optimization of design of starter-generator with account of necessity of building-in into power set of automobile without modification of members of internal combustion engine and gearbox and installation of pickups of information of current position of rotor.

6 dwg

FIELD: electric engineering, possible use in autonomous objects, in particular, automobiles, for generation of electric energy and launching driving motor.

SUBSTANCE: energy plant with asynchronous starter-generator contains asynchronous machine, primary engine, main and additional accumulators of electric energy, current indicator of main electric energy accumulator, gate transformers. Direct current outputs of first gate transformer are directly connected to consumers of direct current of first voltage level. Additional electric energy accumulator is connected to consumers of direct current of second voltage level and through third gate transformer of direct current to direct current is connected to unipolar clamps of first gate transformer.

EFFECT: possible generation of two levels of voltage for consumers of direct current and increase of efficiency in generator mode.

2 cl, 1 dwg

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

Starter-generator // 2321765

FIELD: automotive industry.

SUBSTANCE: starter-generator comprises two-phase rectifying inductive machine with electromagnetic asymmetry, transistor commutator made of the minimum number of switches. The main winding of each of two phases is connected with the power source through a transistor of the inverter. Each recuperating winding of two phases is connected with the power source through a diode of inverter.

EFFECT: simplified structure and reduced losses.

3 dwg

FIELD: electricity.

SUBSTANCE: method and device to control starter - generator is proposed by the invention. Both method and device are based on the synchronous machine operation using electromagnetic excitation. The claimed method and device ensure machine operation both in starter and generator modes with minimum copper losses and minimize additional (switching) losses in the machine and power converter.

EFFECT: simple design of device, improved reliability and reduced cost while preserving all functional properties and advantages.

2 cl, 2 dwg

Up!