40 results about "Hydrogen internal combustion engine vehicle" patented technology

The invention relates to a hydrogen fuel car. The hydrogen fuel car comprises a car body, wheels, a power generator, a battery group, a hub motor, a hydrogen storing unit, a hydrogen internal combustion engine, a hydrogen fuel battery and an exhaust gas concentrated heat exchange unit, wherein the hydrogen storing unit is provided with two hydrogen outlets, one hydrogen outlet is connected to the hydrogen internal combustion engine through the exhaust gas concentrated heat exchange unit, a hydrogen compressor and a hydrogen buffering tank, and the other hydrogen outlet is connected to the hydrogen fuel battery. An air inlet is connected to the hydrogen internal combustion engine and the hydrogen fuel battery through an air filter and the exhaust gas concentrated heat exchange unit, and an exhaust opening of the hydrogen internal combustion engine is connected to an exhaust gas emission opening through the exhaust gas concentrated heat exchange unit. The hydrogen internal combustion engine is connected with a shaft of the power generator, both the power generator and the hydrogen fuel battery are connected with a battery group circuit, and the battery group is connected with the hub motor. By utilizing the hydrogen internal combustion engine to drive the power generator to generate power and utilizing the hydrogen fuel battery to generate power and drive the car to run, no greenhouse gas is emitted in the whole process, the pollution of emitted gas to air is reduced, and the use performance and safety of the hydrogen fuel car are obviously improved.

A method for controlling a compression ignition electronic control module equipped compression ignition internal combustion engine installed in a vehicle to permit engine idling to conform to requirements of a geographical location.

The invention relates to a hydrogen fuel internal-combustion engine and the hydrogen injection system and the combustion method thereof; part of the liquid hydrogen fuel is vaporized and injected into the engine inlet manifold by the gas channel hydrogen injector via the gas channel injector fuel supply system; the hydrogen injected into the engine inlet manifold is mixed with the air to enter the combustion chamber; part of the liquid hydrogen fuel is compressed to be injected into the combustion chamber by the high pressure hydrogen injector inside the cylinder. The combination of the two fuel supply modes improves the power performance of the engine, avoids the abnormal combustion situation and reduces the hydrogen intensity inside the gas inlet channel; thereby, the abnormal combustion such as the backfire is avoided.

The invention discloses a hydrogen supply system for a liquid hydrogen source material for a hydrogen internal combustion engine. The hydrogen supply system comprises a hydrogen storage tank used for storing the liquid hydrogen source material and a liquid hydrogen storage carrier, a reaction kettle used for dehydrogenating the liquid hydrogen source material, a buffering tank used for storing hydrogen, an oxygen storage tank used for storing oxygen, a heat exchange device used for transmitting heat generated by the hydrogen internal combustion engine to the reaction kettle, and a hydrogen storage device which is used for conveying the liquid hydrogen source material into the reaction kettle through a pump. The dehydrogenation reaction of the liquid hydrogen source material is conducted in the reaction kettle; hydrogen generated through the reaction is conveyed to the buffering tank; meanwhile, the liquid oxygen storage carrier generated after dehydrogenation is conveyed back to the hydrogen storage tank; the hydrogen in the buffering tank and the oxygen in the oxygen storage tank enter the hydrogen internal combustion engine according to a proportion. According to the dehydrogenation device for the normal-temperature and normal-pressure liquid hydrogen source material for a hydrogen internal combustion engine automobile, a hydrogen storage and hydrogen internal combustion engine integrated technology for enabling the hydrogen released by liquid hydrogen source material dehydrogenation at the normal temperature and the normal pressure to directly enter a hydrogen internal combustion engine system is put forwards for the first time, according to the technology, a common car can run for 500 kilometers with the hydrogen generated by 80 L of an organic carrier, and therefore the cost for large-scale utilization of hydrogen energy in the future is greatly reduced.

The invention relates to a novel self-adaptation gas fuel control system. The system can automatically recognize and control internal combustion engine vehicles, ships or power generator sets in various gas fuel types. The novel self-adaptation gas fuel control system achieves self-adaptation adjustment and control over corresponding gas fuel. The control system comprises a gas fuel box, a gas inlet pipeline, an electromagnetic valve, a first pressure sensor, a second pressure sensor, a pressure reducing valve, an internal combustion engine and an electronic control unit. The control system has the effects that a combustible gas concentration sensor and the single electronic control unit or an ECU are used for controlling gas fuel with any component; automatic changeover control over various kinds of gas fuel is achieved; hardware structures are simple, cost is low, and use and maintenance are convenient; meanwhile, when no sensor exists or starts, a user can select the type and the proportion of preset fuel or input fuel, the ECU calls a matched excess air coefficient and injection pulse width, and combustion is controlled.

The invention provides a pressure energy recovery device of a high pressure hydrogen storage tank for a hydrogen internal combustion engine automobile. The pressure energy recovery device of the highpressure hydrogen storage tank comprises a high pressure hydrogen tank (1) and a pressure energy recovery system (2), wherein the pressure energy recovery system (2) comprises one or multi stages of expansion systems, and each stage of expansion system includes an expansion machine (3) and a heat exchanger (4). High pressure hydrogen flows out from the high pressure hydrogen tank (1) and sequentially flows into all stages of expansion systems. In all stages of expansion systems, the high pressure hydrogen is first subjected to cooling and pressure reduction through the expansion machines (3),outputs work externally, and then flows into the heat exchangers (4) to absorb heat, the working temperature of the high pressure hydrogen is increased, and the expansion process of the high pressurehydrogen is enabled to be close to the isothermal process so as to output more expansion work. The pressure energy recovery device of the high pressure hydrogen storage tank for the hydrogen internalcombustion engine automobile recovers the pressure energy in the high pressure hydrogen tank through the pressure energy recovery system (2), thereby improving the energy utilization rate.

The invention relates to a gear-driven mechanism which can run reversely and convert the reciprocating rectilinear movement into the rotation toward the same direction. In the technical scheme, the drive of a gear sleeve and a gear is adopted for replacing the drive of a crankshaft and a connecting rod. The gear-driven mechanism can be widely applied to vehicle internal combustion engines, marine low-speed diesel engines, tank engines, hydraulic motors, pump and other machines. As a gear-driven internal combustion engine imitates the working condition of a crankshaft-driven internal combustion engine at the strong deflagration stage of the burning and combustion of fuels, the gear-driven mechanism also can meet the constant volume combustion condition of a spark ignition type internal combustion engine and maintains the conversion efficiency of the heat engine cycle of the internal combustion engine. The gear-driven mechanism provides a doubled drive angle nearby a top dead center so that the mechanical efficiency is substantially increased. The ideal gear-driven internal combustion engine can really realize the constant volume combustion, blows up gas energy instantly and ensures that the cycle thermal efficiency reaches an ideal level.

The invention provides a generator set for a distributed type hydrogen fuel low pollutant discharging and high efficiency internal combustion engine and application thereof. A hydrogen energy preparation device, a pressure regulating device, a first-stage tempering preventing and preignition safety device, a hydrogen storing tank, a pressurizing and pressure stabilizing device, a second-stage tempering preventing and preignition safety device, a hydrogen fuel internal combustion engine and an generator are orderly connected in series; the hydrogen storing tank is connected with the internal combustion engine ECU through a hydrogen leakage sensor; the first-stage tempering preventing and preignition safety device, the second-stage tempering preventing and preignition safety device, the hydrogen fuel internal combustion engine and a speed and frequency regulating frequency stabilizing device are respectively connected with the internal combustion ECU; the hydrogen fuel internal combustion engine is connected with the internal combustion engine ECU through a signal sensor; the speed and frequency regulating frequency stabilizing device and the hydrogen fuel internal combustion engineare respectively connected with the generator. The generator set can be used for all the igniting type hydrogen internal combustion engine and hydrogen internal combustion. In the invention, existingskilled igniting type power source technology is utilized to rapidly achieve generation power generation for distributed type power supplying system; and the purpose of comprehensive circular utilizing of novel cleaning energy, pollution reducing, and zero exhaustion can be achieved.

The invention belongs to the field of combustion control of internal combustion engines and sensors, and in particular relates to an integrated combustion pressure sensor for an internal combustion engine, which solves the problems that in the prior art, a piezoelectric element is firmly pressed in the whole system by a pretightening force, which causes the whole system to be affected by external vibration and temperature change and so on. The integrated combustion pressure sensor for the internal combustion engine has the characteristics of high accuracy, strong anti-jamming performance, low cost and so on, and is a pressure sensor which can be integrated into components of the prior internal combustion engine. The integrated combustion pressure sensor for the internal combustion engine consists of one or more piezoelectric force measurement elements, at least one rigid connecting element, at least one flexible connecting element, at least one internal combustion engine functional element, a shell and a plurality of accessories, wherein one end of each of the piezoelectric elements is connected to the rigid connecting element, while the other end is connected to the internal combustion engine functional element; and the rigid connecting element is connected to a rigid shell, and the internal combustion engine functional element is connected to the shell through the flexible connecting element. The integrated combustion pressure sensor for the internal combustion engine is arranged at the position of the internal combustion engine close to a combustion chamber, and is used for the measurement of combustion pressure of the internal combustion engine.

The invention relates to a hydrogen internal combustion engine (HICE) as well as a multi-path hydrogen injection electronic control system and a hydrogen injection control method thereof. The multi-path hydrogen injection electronic control system of the HICE comprises an ECU (electronic control unit), wherein the ECU controls and is connected with a hydrogen injection device which is connected with an air inlet duct through an air intake manifold; the hydrogen injection device comprises at least two paths of hydrogen injection machines which are adjacent to an inlet valve seat up to the hiltaccording to an engine structure and are uniformly distributed along the circumferential direction of the air intake manifold; the number of the hydrogen injection machines in the hydrogen injection device satisfies the requirement of the full load of the HICE on the hydrogen injection amount; and at least two paths of hydrogen injection machines are determined according to the requirement of thefull load on the hydrogen injection amount, and the hydrogen injection machines are adjacent to the inlet valve seat as far as possible and are uniformly distributed along the circumferential direction of the air intake manifold. According to the invention, the problem that an existing single-path hydrogen injection system can not complete quantitative hydrogen injection within short time can be solved.

The invention relates to a hydrogen fueled two-stroke engine and a power system thereof. The hydrogen fuel engine is provided with an air cylinder, a cylinder cover and a crank case, wherein a spark plug and an exhaust hole are arranged on the cylinder cover; a piston is arranged in the air cylinder; a crank shaft is arranged in the crank case; the piston is connected with the crank shaft througha connecting rod; a hydrogen inlet and an air inlet are formed in a wall of the air cylinder; the hydrogen inlet is connected with a hydrogen inlet chamber through a gas compression unit; the air inlet is connected with an air inlet chamber through the other gas injection unit; and the hydrogen inlet chamber and the air inlet chamber are independently arranged in a separating way and communicate with the air cylinder. According to the two-stroke engine, the hydrogen concentrated-combustion operation emission meets the cleaning standard, and the backfire problem of a hydrogen internal combustion engine is solved by feeding hydrogen and air in a separating way. An exhaust afterheat utilization unit recycles exhaust afterheat and engine cooling water afterheat for generating power, so that the utilization rate of a hydrogen fuel and the power per liter of the engine are improved; and metal hydride in a metal hydride storage tank is stored at ordinary pressure, the hydrogen is desorbed through hydration, and the weight hydrogen storage rate reaches 15 percent or above.

The invention relates to a control method and device for an injection system of a hydrogen fuel internal combustion engine, and belongs to the technical field of hydrogen fuel internal combustion engine control. The maximum total hydrogen injection pulse width of the injection system of the hydrogen fuel internal combustion engine is divided and is divided into a plurality of hydrogen injection segments in the gas inlet duration, and interval time periods between the hydrogen injection segments are non-hydrogen-injection segments. The injection time frames of the injection system of the hydrogen fuel internal combustion engine are controlled according to the division manner of the hydrogen injection segments, so that the injection system of the hydrogen fuel internal combustion engine carries out intermittent injection many times in the gas inlet duration, the problem of inflow of air blocking a gas inlet pipe is effectively solved, and the combustion characteristic of the engine is considered and optimized.

The invention discloses an internal combustion engine which uses hydrogen as fuel and performs functions of water-spraying working and cylinder-transfer in a working cycle. A novel hydrogen internal combustion engine comprises a hot cylinder, a sweat cylinder, a hot cylinder crankshaft, a sweat cylinder crankshaft and related auxiliary equipment; the sweat cylinder is mainly used to fully premix hydrogen and oxygen, and then mixed gas enters the hot cylinder after further compressing treatment to prevent the phenomenon of tempering and pre-ignition of the mixed gas after being injected into the hot cylinder; a sparking plug and a water sprayer are disposed at the top of the hot cylinder, the mixed gas starts to burn and work after ignition, and water vaporization and expansion work links are added in the working cycle; and normal working of the internal combustion engine is realized by controlling gear transmission, a relative deviation angle of the hot cylinder crankshaft and the sweat cylinder crankshaft, and associated control devices. Compared with conventional internal combustion engines, the hydrogen fuel internal combustion engine is cleaner and environmentally friendlier, the possibility of occurrence of tempering during combustion is effectively reduced, the uniformity of mixed hydrogen and oxygen is improved, and the fuel utilization rate is improved.

The invention relates to a starting ignition control method for an inlet duct injection type hydrogen internal combustion engine. The starting ignition control method is characterized in that the starting process is divided into three phases and comprises the following steps of: (1) starting the hydrogen internal combustion engine, and stopping the work of a hydrogen injection system and an ignition system; (2) judging the working cycle after the starting of the hydrogen internal combustion engine through monitoring a crankshaft or camshaft signal; (3) beginning to work by the ignition system; and (4) beginning to work by the hydrogen injection system, thereby entering a starting idling control process. The starting ignition control method for the hydrogen internal combustion engine has the advantages that: in the first phase, as the hydrogen injection system and the ignition system stop working, the possible residual hydrogen in air inlet and air exhaust systems is completely discharged through the idling process of the internal combustion engine; the second phase is a transition working condition, the ignition system begins to work and enters a starting idling preparation phase; and from the beginning of the third phase, the hydrogen injection system begins to work and enters a starting idling control process. By using the three-phase starting ignition control method provided by the invention, the occurrence of starting tempering phenomenon of the hydrogen internal combustion engine can be completely avoided in the hydrogen internal combustion engine; and the starting ignition control method has the characteristics of high starting safety and simple control mode.

The internal combustion engine plant has a pressure accumulator line (2) holding fuel at high pressure and from which branches a fuel line (4) to each cylinder (1). The fuel line accommodates an electronically controlled fuel valve (5), with each valve alternately pressurized by compressed air for opening. A compressed air valve controlled in dependence upon the position of the engine's crankshaft (13) is installed in a compressed air line (6) between a compressed air accumulator (8) and each fuel valve. An independent claim is included for a fuel valve for an internal combustion engine plant.