237results about "Starters with fluid-driven auxillary engines" patented technology

A starter-generator for an aircraft engine comprises a dynamoelectric machine alternatively operable as a motor or as a generator, having a rotor. A support motor is coupled to the dynamoelectric machine to assist the machine. A torque converter selectively couples and decouples the rotor to the engine, coupling the rotor to the engine at some point when dynamoelectric machine is operated as a motor. A constant speed transmission has an input adapted to be connected to the engine and an output to be connected to the rotor. The unit provides a desired speed relation between input and output. The engine may be started by the dynamoelectric machine when operated as a motor through a first power train including the torque converter and may drive the dynamoelectric machine as a generator through a second power train including the constant speed transmission.

A hybrid electro-hydraulic drive system is provided for a vehicle and comprises a hydraulic transmission including a first hydraulic machine and at least one second hydraulic machine drivingly connected to drive wheels of the motor vehicle for driving thereof, an electric motor / generator operatively connected to the first hydraulic machine, and at least one energy storage device operable to store and release a hydraulic fluid energy or an electrical energy. The second hydraulic machine is a reversible hydraulic pump / motor unit capable to function both as a hydraulic pump and a hydraulic motor. The energy storage device is operatively connected to either the hydraulic transmission or the electric motor / generator. In a retarding mode the hydraulic transmission and / or the electric motor / generator retard the vehicle, while in a driving mode they supply a supplementary power to the drive wheels to assist propulsion of the vehicle.

Provided is a hybrid driving device capable of transmitting a target torque to a speed change gear without deficiency and without excess, regarding a technology of starting up an engine by a driving force of a rotating electrical machine during EV driving. The hybrid driving device is provided with a rotating electrical machine which is connected to a speed change gear through a hydraulic power transmission having a lockup clutch; and an engine start control device which starts an engine by controlling the number of rotations so that the number of rotations of the rotating electrical machine becomes a target number of rotations, by slipping the lockup clutch, prior to starting the engine. A transmission torque estimation means for estimating a transmission torque which is transmitted by the lockup clutch, under the condition that the lockup clutch slips, and a target rotation number determination means for determining a target number of rotations regarding the rotation number control for the rotating electrical machine, on the basis of the transmission torque estimated by the transmission torque estimation means, a target input torque to the speed change gear, and an actual turbine rotation number, are provided. The engine start control device controls the velocity so that the rotating electrical machine has the determined target number of rotations.

A drive system for motor vehicles, in particular having an internal combustion engine (13) as a main drive, a driving clutch (15), a transmission (16) and at least one drive axle (17) in the main drive train (10), furthermore having a secondary drive train (11) and having secondary assemblies (19) which can be disposed in the secondary drive train (11), the secondary drive train (11) being capable of being coupled to the main drive train, and having an electric machine operating as a starter generator (20), characterized in that the secondary drive train (11) has its own secondary assembly drive (22) which can be coupled to the starter generator (20), and that the secondary assembly drive (22) and the starter generator (20) can be coupled to the driving axle (17) of the motor vehicle either individually or jointly, with or without the main drive (13), to drive the motor vehicle.

The present disclosure relates to an engine-generator having an engine, an electrical generator and a control panel configured to control the engine-generator. The engine-generator includes a first electrical starter having a first battery, a first solenoid configured to receive a starting signal from the control panel and a first starter motor configured to crank the engine when the first solenoid receives the starting signal from the control panel. The engine generator also includes a second electrical starter including a second battery, a second solenoid configured to receive a starting signal from the control panel and a second starter motor configured to crank the engine when the second solenoid receives the starting signal from the control panel.

The present invention relates to an engine hydraulic parallel series rear wheel drive hybrid vehicle, including a power transmission system for conventional vehicle, an electric control unit and a hydraulic auxiliary power transmission system, that is, braking energy regeneration auxiliary system and idling energy control system. A brake pedal and an accelerator pedal are connected with the hydraulic auxiliary power transmission system through the electronic control unit. The electronic control unit functions to realize harmonious control between the power transmission system and the hydraulic auxiliary transmission system. The electronic control unit receives electric signals given by the brake pedal, the accelerator pedal, the engine and the gear-box. After control strategic operation, the electronic control unit outputs an instruction signal of the auxiliary hydraulic power transmission system. The present invention can realize the recovering and releasing of hydraulic braking energy, utilizing of idling energy, and idling and shutting down of engine. The present invention has the advantages of higher efficiency of kinetic energy conversion, smaller noise, longer lifetime of engine, gas-saving, simpler structure and lower cost. The present invention is applicable to the reconfiguration of existing vehicle.

The present invention relates to an engine-hydraulic series-parallel connection type rear drive hybrid vehicle. It is composed of main power mechanism, main auxiliary power mechanism, secondary auxiliary power mechanism and double-power rear drive axle. Said main power mechanism is formed from engine and gear-box, its main auxiliary power mechanism is composed of hydraulic control valve group, hydraulic energy storage, hydraulic pump / motor and hydraulic fuel tank, its secondary auxiliary power mechanism is formed from engine power output mechanism, secondary electromagnetic clutch, hydraulic pump, secondary hydraulic fuel tank and secondary hydraulic control valve group. Besides, said invention also provides their connection mode and working principle of said engine-hydraulic series-parallel connection type rear drive hybrid vehicle.

A system and method for starting a large diesel engine using at least one hydraulic motor includes an auxiliary power unit having a hydraulic pump for driving a hydraulic motor coupled to the diesel engine. The hydraulic pump may automatically pump oil from the diesel engine into a pressure reservoir until a pressure set point is exceeded. When the pressure set point is exceeded, a relief / check valve positioned between the pressure reservoir and the hydraulic pump may open to divert some lubrication oil through a heater and back into the diesel engine. To start the diesel engine, a solenoid-controlled valve, positioned between the pressure reservoir and a hydraulic motor coupled with the diesel engine, may be opened to release pressurized oil to the hydraulic motor. After energizing the hydraulic motor, the oil may be diverted back to a sump of the diesel engine.

The invention relates to a diesel, in particular to an explosion-proof diesel, which is applicable to anti-explosion power devices on various fixed and mobile equipment underground coal mine, solving the problems that no explosion-proof diesel product exists in domestic market, while the imported explosion-proof diesel has complicated structure, high price, long lead time of components and parts, untimely service, high maintenance costs and the like. The invention comprises a diesel body, a cooling system, a fuel supply system, an exhaust system and an air intake system, wherein, the cooling system, the fuel supply system, the exhaust system and the air intake system are connected with the diesel body assortatively; an exhaust manifold and an exhaust pipe in the exhaust system are all provided with water jackets; an outlet of the exhaust pipe is connected with a waste gas processing box; the air intake pipeline of the air intake system is provided with an air intake barrier; the invention is further provided with an air starter and protection system. The invention solves the problems of difficult assortment, difficult maintenance and long period of vulnerable components of imported machine types; the air starter and protection system adopts a compressed air starter to start and has the advantages of safety and reliability, convenient maintenance under the mine; the air exhaust is safer and the discharging is effectively reduced.

The invention discloses a compound starting device and a starting method for an engine. The compound starting device is characterized in that a hydraulic oil tank is connected with an input end of a hand pump, an output end of the hand pump is connected with an energy accumulator and an input end of a starting valve, and a first output end of the starting valve is connected with an input end of a hydraulic starting motor; the first output end of the starting valve is further connected with an input end of a hydraulic pump by a check valve, and the hydraulic pump is connected with the starting motor. A second output end of the starting valve is connected with an input end of a hydraulic motor for driving a charging power generator, and the hydraulic motor for driving the charging power generator is connected with the charging power generator. The starting method includes a starting motor starting mode and a hand pump starting mode. The compound starting device and the starting method have the advantages that the compound starting device is simple in structure and has diversified functions, the starting method is convenient and reliable, accordingly, the hydraulic starting motor can be driven in a hydraulic pump mode or the hand pump mode to rotate, and the engine can be started; the compound starting device has a main starting quick response function, manual operation for emergency purposes is taken into account, and accordingly the engine can be started even in extreme states.

A start / stop arrangement in a fluid system comprising a controllable pump unit for supplying fluid pressure to at least one implement; a prime mover connected to a transmission device arranged to drive the pump unit; wherein the pump unit is installed on an outgoing power take off and is arranged to supply fluid pressure to the implement fluid system, that the pump unit is arranged accumulate fluid pressure in the accumulator. The fluid system further comprises a controllable motor unit connected to a fluid accumulator; that fluid pressure from the accumulator is arranged to drive the motor unit; and that the motor unit is connected to the prime mover by an overrun clutch, wherein the motor unit is arranged to supply torque to and start the prime mover when at least one predetermined condition is fulfilled. The invention further relates to a method for controlling the start / stop arrangement.

The invention provides an assistant automobile starting system in the field of automobile starting system, and also provides a control method of the assistant automobile starting system. The assistant automobile starting system comprises an air compressor (1), an air storage tank (2), an energy control device (3) and an air motor (4); wherein, the air compressor (2) is connected with a vehicle drive shaft (5), the air compressor (1) is connected with the air storage tank (2), the energy control device (3) controls the opening and closing of high-pressure gas transmitted to the air motor (4) from the air storage tank (2) and the pressure, and the air motor (4) is connected with a gearbox (6). The device and the method of the invention have the advantages of long energy conservation time, small volume of each part, reliable working performance and simple method, and the tail gas discharged form the air motor is pure air and has no pollution to environment.

An automotive starting system includes an accumulator, a hydraulic motor, and an engine controller. The accumulator is adapted for holding a charge of pressurized fluid. The hydraulic motor has a fluid input operatively connected to the accumulator and has an output shaft operatively connected to an internal combustion engine of an automotive vehicle. The engine controller shuts off the engine if an idle engine condition exists and restarts the engine using the hydraulic motor following an idle engine shut-off if a predetermined engine-start condition exists. A method for starting an internal combustion engine of an automotive vehicle includes having the engine controller shut off the engine if an idle engine condition exists and thereafter having the engine controller restart the engine using the hydraulic motor if a predetermined engine-start condition exists.

The invention discloses a pneumatic starting system protection device of a diesel engine for an automobile. The pneumatic starting system protection device comprises an air storage tank, a filter, a mechanical valve, a two-position three-way hydraulic reversing valve, a pneumatic starting motor, a main starting valve, a diesel engine, a hydraulic pump and a one-way throttle valve , wherein the air outlet of the air storage tank is connected with the air inlet of the filter via a pipeline; the air outlet of the filter is divided into two paths through pipelines, wherein one path is connected with the gear pre-engaged air inlet of the pneumatic starting motor through the mechanical valve and the two-position three-way hydraulic reversing valve in sequence, and the other path is connected with the air inlet of the pneumatic starting motor through the main starting valve; the gear pre-engaged air inlet of the pneumatic starting motor is connected with the control hole of the main starting valve through the pipeline; the flywheel of the diesel engine is connected with the power input end of the hydraulic pump through a transmission mechanism; the liquid inlet of the hydraulic pump is connected with an tar tank; the liquid outlet of the hydraulic pump is connected with the control hole of the two-position three-way hydraulic reversing valve through the pipeline and the one-way throttle valve. According to the pneumatic starting system protection device, after an engine is started, a starting motor control air path can be cut off when the revolving speed is within 300rpm.

An engine generator for driving an air motor to energize an engine is provided which reduces an installation space and facility and running costs. The engine generator (EG) is attached to a fire extinguishing facility (14). The fire extinguishing facility is designed to eject unburnable gas supplied from gas containers (11) and comprises an air motor (10) for driving an engine, and a valve unit (12) designed to drive in response to an instruction signal, control a pressure of the unburnable gas from the gas container and supply the pressure controlled unburnable gas to the air motor (10).

Engine anti-idling and restart may be implemented in a machine having a power source, a movable work tool, a pump driven by the power source, an actuator receiving fluid from the pump and moving the work tool, a high-pressure fluid reservoir, and an assist motor operatively connected to the power source. Engine restart may include detecting operator input to start the power source, and fluidly connecting the fluid reservoir to the assist motor to assist in starting the power source in response to detecting the operator input. Prior to shutting down the power source during anti-idling, fluid from the pump may be input to the assist motor, pressurized and communicated to the high-pressure fluid reservoir in response to determining that idle condition exists and a reservoir charge pressure is less than a reservoir minimum restart pressure needed to restart the power source.

The invention relates to an explosion-proof dynamo van for a coal mine. The main structure consists of a tractor, a van seat, a front wheel, a rear wheel, a diesel engineer, an oil tank, a water replenishing water, an air filter, an air cooler, a gas supercharger, an exhaust gas processing tank, a gas storage tank, a radiator, a fan, a generator, a coupler, a soft starter, a liquid crystal display screen, a console panel, a pipeline, a circuit board and a conducting wire; the dynamo van adopts the large-power diesel engineer as power, carries out peripheral distribution and drives the generator to generate power; the revolution of the generator is 1,500 r / min; the generating voltage is between 660 and 1,140 V; the power is between 160 and 200 kw; after power generation, the voltage is adjusted and reduced by the soft starter and is input to driven equipment; the driven equipment is started; the range of voltage regulation is 30 to 85 percent of the rated voltage; after voltage regulation and reduction, the impact moment of startup can be reduced; the starting capacity is increased; and after startup, normal voltage is restored. The dynamo van has reasonable design, a compact structure, strong generating capacity, high voltage, large powder, safety, stability and reliability, and can be used for various large and middle-sized equipment of the underground of the coal mine.

The invention relates to the field of air startup of diesel engines, in particular to an air startup protection device of a diesel engine. On a control air course of the air startup protection device of the diesel engine, a first reversing valve is arranged in front of a manual valve serving as a start button; or the first reversing valve is arranged between the manual valve serving as the start button and a starting valve; and a second reversing valve is arranged between the first reversing valve and a manual valve serving as a parking button. After the diesel engine works normally, an air compressor outputs a path of compressed air to control the reversing valves to reverse, so that the manual valve (the start button) fails, tooth breakage caused by restart of an air motor due to error operation or damage of the manual valve is avoided, a gear or the air motor is prevented from being damaged, the problem of tooth breakage of the motor due to error operation is radically solved, and the air motor is better protected. The air startup protection device does not contain electric elements, so the device has simple principle structure. Moreover, the invention also discloses the air startup diesel engine comprising the air startup device.

An internal combustion device is provided for starting a parent engine, the device having a frame having a piston in a cylinder forming a combustion chamber, the frame further having an air passage and a fuel passage for receiving air and fuel into the combustion chamber. A rod connects the piston to a gear train, the gear train being operationally connected to a crankshaft of the parent engine. An ignition mechanism is operationally connected to the combustion chamber for initiating a combustion process using the received fuel and air within the combustion chamber. The piston is driven one power stroke, causing the crankshaft of the parent engine to rotate. A fuel subsystem utilizing a conventional, replaceable compressible fuel canister. Air forced from the cylinder on the piston is routed to the combustion chamber for purging the combustion chamber of spent gases, and mixing with subsequent fuel gas entry.

The invention discloses a hydraulic starting energy storage device of a diesel engine, which comprises a manual pump starting system and a motor pump starting system, wherein the manual pump output end of the manual pump starting system is connected with an energy accumulator sequentially through a first check valve and an energy accumulator stop valve oil inlet end and connected with a hydraulicmotor input end through a high-pressure ball valve; the motor pump output end of the motor pump starting system is connected with the energy accumulator sequentially through an unloading valve and the energy accumulator stop valve oil inlet end; the motor pump output end is also connected with the energy accumulator sequentially through a second check valve and an energy accumulator stop valve input end; and an unloading valve remote control opening is connected with the energy accumulator through the energy accumulator stop valve input end. The invention has the advantages of compact structure, simple operation and control, low noise and high reliability. A motor pump is adopted for automatically delivering pressure oil to the energy accumulator, thus the labor intensity for delivering pressure oil to the energy accumulator is reduced, the working efficiency of the hydraulic starting energy storage device is improved and reliable guarantee is provided for the diesel engine hydraulic starting of a lifeboat.

A locomotive monitoring system defines several mutually exclusive operating states for a locomotive. The amount of time the locomotive operates in each state is preferably determined and recorded. This recorded information can then be evaluated with a view towards improving locomotive operations. For example, a plurality of mutually exclusive idle states can be defined and monitored to determine how long a locomotive idles under certain conditions instead of automatically shutting down for the purpose of conserving fuel. In this manner, the sources of lost fuel savings can be readily identified, quantified and addressed. An event log is also provided for chronicling certain operating events of interest over time, such as those relating to the starting, stopping and / or idling of the locomotive's engine.

A drive train (1) includes an internal combustion engine (2) and working hydraulics (4) having at least one hydraulic pump (7). When operated as a pump, the hydraulic pump (7) sucks hydraulic fluid from a tank (9) and delivers into a delivery line (10) that leads to the working hydraulics (4). When operated as a motor, the hydraulic pump (7) is supplied with hydraulic fluid from a hydraulic accumulator (25). The drive train (1) has a charge pump (20) to supply a charging circuit (23). The charge pump (20), when operated as a pump, sucks hydraulic fluid out of the tank (9) and delivers into a charge pressure line (22) that leads to a charging circuit (23), and the charge pump (20) when operated as a motor is supplied with hydraulic fluid from the hydraulic accumulator (25).

A method is provided for assisting a start-up of a work machine having a battery assembly and a main engine. The method may include starting an auxiliary power unit, and using electrical power generated by the auxiliary power unit to condition the battery assembly. The method may also include adding electrical power generated by the auxiliary power unit to electrical power generated by the battery assembly for a main engine cranking event.

A method is provided for assisting a start-up of a work machine having a battery assembly and a main engine. The method may include starting an auxiliary power unit, and using electrical power generated by the auxiliary power unit to condition the battery assembly. The method may also include adding electrical power generated by the auxiliary power unit to electrical power generated by the battery assembly for a main engine cranking event.

The invention discloses a starting system of an aboard self-contained engine of a crane in a low temperature environment. The starting system comprises an aboard hydraulic system provided with an aboard hydraulic oil pump, a hydraumatic auxiliary start-up system with a hydraumatic auxiliary starting motor, a pressure oil source for providing power to the hydraumatic start-up system, and a control valve used for controlling the hydraumatic auxiliary starting motor. The invention discloses a starting method of the aboard self-contained engine of the crane in the low temperature environment. The starting system and method provided by the invention have the beneficial effects that even in a place which lacks of resources in the low environmental temperature, the aboard self-contained engine can be started up without spending a good deal of manpower and material resources and time; only one person can finish starting the aboard self-contained engine in the low temperature environment without consuming external resources; and only the crane can rapidly, smoothly, securely finish starting of the aboard engine.