210results about How to "Less heat production" patented technology

The invention provides a laser radar. The laser radar comprises a laser emitting module, a light division module, a scanning module and a receiving module; the laser emitting module is used for emitting pulsed laser beams; the light division module is used for dividing the pulsed laser beams into N incident beams and transmitting the incident beams to the scanning module, wherein N is larger thanor equal to 2; the scanning module is used for reflecting the N incident beams to a three-dimensional space and receiving and reflecting N echo beams, reflected by a to-be-tested target in the three-dimensional space, of the N incident beams; the receiving module is used for receiving and processing the N echo beams; the light division module and the scanning module correspondingly form N subsidiary scanning view fields, and the N subsidiary scanning view fields constitute a total view field of the laser radar through view field splicing. By means of the laser radar, the light division moduleis utilized, light sources simply with the number smaller than N can be adopted on the premise of satisfying a scanning view field of the laser radar, the cost of the laser radar is lowered, the heatgenerated inside is reduced, and the size of the laser radar is reduced.

The invention discloses an intelligent control system for an electromagnetic valve and a method of the intelligent control system. The system comprises a control signal generator, a high pressure source, a constant pressure source, a negative pressure source, a switch, a signal trigger, a current detector, an oil tank, the electromagnetic valve, pressure sensors, a calculator and a signal inverter, wherein the pressure sensors at an oil inlet and a working opening of the electromagnetic valve can be used for detecting oil pressure at any time and feeding the oil pressure back to the calculator; the calculator is used for automatically calculating start current, shutoff current and the size of the constant pressure source according to the data of the electromagnetic valve tested in earlier stage; the pressure sensors and the calculator are matched with each other in use; during a control process, the intelligent control system is capable of realizing intelligent regulation according to a pressure value measured by the sensors even the working condition of the electromagnetic valve has changes, so that the electromagnetic valve has a self-adaption capability to the working condition. By adopting the high pressure source for stimulation, adopting the constant pressure source for reducing current and adopting the negative pressure source for rapid unloading, the intelligent control system is capable of effectively reducing the delay time when the electromagnetic valve is opened or closed and improving the dynamic characteristics.

The invention provides a laser radar. The laser radar includes a laser emitting module, a light splitting module, a scanning module and a receiving module. The laser emitting module is used to emit a pulsed laser beam; the light splitting module is used to divide the pulsed laser beam into N beams of incident light beams , and transmitted to the scanning module, where N≥2; the scanning module is used to reflect N beams of incident light beams to three-dimensional space, and is used to receive and reflect N beams of incident light beams reflected by the target to be measured in three-dimensional space. wave light beam; the receiving module is used to receive and process N beams of echo beams; the spectroscopic module and the scanning module correspond to form N sub-scanning fields of view, and the N sub-scanning fields of view form the total field of view of the lidar through field splicing. The laser radar of the present invention uses a spectroscopic module, so under the premise of satisfying the scanning field of view of the laser radar, less than N light sources can be used to reduce the cost of the laser radar, reduce internal heat generation, and reduce the volume of the laser radar.

A sensor that generates an output signal in response to a stimulus, wherein the output signal is generated with a predetermined relationship to one or more properties of the stimulus such that the one or more properties of the stimulus can be determined as a function of the output signal. In one embodiment the sensor comprises a component, a sensor processor, and a transmitter. The component deteriorates, thereby causing predictable fluctuations in the predetermined relationship between the output signal and the one or more properties of the stimulus. The sensor processor provides information related to the deterioration of the component. The transmitter wirelessly transmits the information provided by the processor.

The invention discloses multifunctional medical biological bone cement. The multifunctional medical biological bone cement is prepared from the following raw materials in percentage by mass: 5%-15% of polyacrylic acid microspheres, 20% of bioactive glass, 64.9%-74.9% of calcium phosphate bone cement and 0.1% of nanometer alendronate sodium microspheres, wherein the sum of the mass percentages of the raw materials is 100%. The multifunctional medical biological bone cement has the function of water absorption self-expansion; the using amount of the bone cement can be reduced, and further the leakage of the bone cement is reduced; the multifunctional medical biological bone cement has relatively good tissue compatibility, can be used for inducing the formation of new bones and enhancing the strength of vertebral bodies, is degradable in vivo without in vivo foreign matter residues; and meanwhile, the controlled-release alendronate sodium has the effects of resisting osteoporosis, reducing the absorption of bones and furthering enhancing the vertebral bodies. Therefore, the multifunctional medical biological bone cement has the advantages of little consumption, promotion of bone formation and bone absorption resistance when applied to vertebroplasty.

The invention aims to provide a method for degrading solid phase adsorbed state petroleum hydrocarbon in petroleum contaminated soil. According to the method, the preparation concentration of a Fenton reagent is determined by detecting the concentration of petroleum hydrocarbon in the petroleum contaminated soil, different amounts of hydrogen peroxide in the Fenton reagent are fed for multiple times, and the concentration and the dosage of hydrogen peroxide at the next time are adjusted by the concentration of petroleum hydrocarbon after every addition for a certain time, wherein the concentration of hydrogen peroxide is 150mmol / L to 350mmol / L, and the feeding time of H2O2 is 3 to 6 times. According to the invention, a solid phase prepared iron catalyst is utilized to absorb high-activity hydroxide radicals adjacent to the petroleum hydrocarbon, and an absorption state petroleum hydrocarbon is directly oxidized, so that the oxidation efficiency is high; furthermore, the dose of H2O2 is greatly saved, and the use ratio of H2O2 is high; and the method for degrading solid phase adsorbed state petroleum hydrocarbon in petroleum contaminated soil is temperate in reaction condition, little in the heat production, low in degree of damage on the soil organic matters and the microbes, free from secondary pollution, and beneficial for subsequent biological repair.

The invention discloses a dual-motor multi-mode composite forerunner plug-in hybrid power system; an engine, an elastic damper, a clutch, a first motor, a first planet row, a second planet row, a third planet row and a second motor are coaxially arranged in order; a first brake connecting plate is connected with the output shaft of the first motor; a second brake connecting plate is connected with the first planet row; a third brake connecting plate is connected with the third planet row; a fourth brake connecting plate is respectively connected with the first, second and third planet rows; a fifth brake connecting plate is connected with the output shaft of the second motor; the third planet row is connected with an output gear set; the output gear set is respectively connected with a left output semiaxis and a right output semiaxis. The dual-motor multi-mode composite forerunner plug-in hybrid power system is more reasonable in configuration, more compact in structure, low in loss, high in reliability, and can realize the following work modes: an engine multi-speed ratio separate drive mode, an engine-motor multi-gradient combined ECVT drive mode, and a multi-speed ratio single motor-driven mode.

The invention discloses a new energy power battery. The new energy power battery comprises a battery box upper cover, a power battery module and a battery box lower casing, wherein the power battery module comprises an electric core bracket, more than two electric cores and an aluminum casing clamp plate; the electric cores are arranged in the electric core bracket, and the two outermost sides of each electric core are tightly attached to the aluminum casing clamp plate. The new energy power battery is characterized in that Lvte cotton is adhered to one surface of each electric core, and a silica gel sheet is adhered onto an electrode lug of each electric core; after the two electric cores are adhered with the Lvte cottons and the silicon rubber sheets, a heat conduction graphite sheet is adhered onto the surface, adhering with the Lvte cotton, of one electric core, a heating plate is arranged between the two electric cores, and the two side surfaces of the heating plate are respectively adhered with the Lvte cotton surfaces; a temperature sensor is connected with the heat conduction graphite sheet; a water cooling system is arranged at the exterior of the battery box lower casing, and a connecting structure of positive and negative electrode lugs of each electric core adopts laser welding or riveting type. The new energy power battery has the advantage that the water cooling heat radiating and heating functions are simultaneously realized.

The PCR check device comprises the shell, several objects carrying plate for sample tubes inside the shell, emitting light activating the light signal and light collecting post fixed on the shell, drive motor driving the object carrying plate and the relative movement of the sample tubes with the emitting light and the light collecting post. It can ensure the optical component fastness for a long time, with reduced testing background noise, getting rid of the wave in testing, accuracy and collection of optical path for several samples at the same time.

The invention provides a backlight unit and a display device comprising the same. The backlight unit comprises a substrate, a wavelength conversion film and a miniature LED (light-emitting diode) chip array, the wavelength conversion film comprises a phosphor and is arranged on the substrate, the miniature LED chip array comprises a plurality of miniature LED chips, and the cross section area of each miniature LED chip is smaller than or equal to 1mm<2>. According to the backlight unit, the cross section area of miniature LED chip array is small, more LED chips can be arranged in the same substrate area, so that the brightness of a backlight component is high and uniformly dispersed, the miniature LED chip array is thin, secondary lens dispensing is omitted, the whole thickness of the direct-type backlight unit can be reduced, the miniature LED chips have lower driving current, less electric energy is converted into heat energy, energy is saved, less heat is generated, and the service life of the backlight unit can be prolonged.

The invention discloses a novel ultrasonic humidifier which comprises a power circuit, an ultrasonic oscillating circuit, a pneumatic device connected with the output end of the ultrasonic oscillating circuit, an atomizing device and a water shortage detection circuit. The ultrasonic oscillating circuit comprises a main control chip, a mist amount regulating circuit, an automatic frequency regulating circuit, a power amplification circuit and a resonance circuit, wherein the mist amount regulating circuit and the automatic frequency regulating circuit are connected with the two input ends of the main control chip respectively, the power amplification circuit is connected with one output end of the main control chip, the resonance circuit is connected with the power amplification circuit and connected with the atomizing device, and the other output end of the main control chip is connected with the pneumatic device. The water shortage detection circuit detects ultrasonic waves conducted by water through an ultrasonic water level detection induction probe, ultrasonic signals enter a comparator through a peak detection circuit, the compared high-low electrical levels are transmitted to a pin 4 of the main control chip, the main control chip judges whether the water level is lower than the ultrasonic water level detection induction probe or not according to the electrical levels received by the pin 4, and thus the purpose of preventing dry burning is achieved.

The invention provides a secondary battery charging method. The secondary battery charging method comprises the steps of carrying out battery charging at a constant charging current I1 for the charging time t1; stopping charging and performing battery standing for the standing time t2; carrying out battery discharging at a constant discharging current I2 for the discharging time t3; stopping discharging and performing battery standing for the standing time t4; 5) repeatedly executing the above steps until the battery voltage reaches the charging cut-off voltage V0; and performing battery charging at the constant voltage V0 until the battery current reaches a charging cut-off current I3. Compared with the prior art, by virtue of adoption of wide positive pulse current and narrow negative pulse current with intervals, and by introducing a standing charging mode in the positive pulse and the negative pulse, accumulation of battery polarization is lowered effectively, heat generation of the battery is reduced, temperature rise in the battery charging process is relieved, and potential safety hazard caused by battery temperature rise is prevented; and meanwhile, the charging speed is accelerated, and the battery performance and user experience are obviously improved.

The invention provides an image correcting method for a projection terminal and the projection terminal. The image correcting method comprises the steps that the horizontal deflection angle of the projection terminal is acquired, and a to-be-projected image of the projection terminal is rotated and corrected according to the horizontal deflection angle and the projection optical axis of the projection terminal. According to the image correcting method for the projection terminal and the projection terminal, the horizontal deflection angle of the projection terminal is acquired, the to-be-projected image is rotated according to the horizontal deflection angle, and therefore the problem that the projection picture is distorted when the projection terminal is rotated with the projection optical axis as the center is solved; meanwhile, due to the fact that only to-be-projected image rotating is referred in the correcting process, a complex graph correction algorithm is not needed to carry out correction, cost is low, the correcting speed is high, the power consumption and the produced heat are low, and the using experience of a user of a portable terminal is greatly improved.

The invention discloses manufacturing equipment and a manufacturing method for an electrode of a power type lithium ion battery. The manufacturing equipment comprises a vibration disk, a foam metal die, an electrode solid-state filler powder box and foam metal, wherein the foam metal die is arranged on the vibrating disk; the electrode solid-state filler powder box is arranged above the foam metal die; and the foam metal is arranged in the foam metal die. The foam metal with the characteristics of high electric conductivity, high thermal conductivity, large specific surface area, uniform and small through holes and the like is adopted as a current collector, and a skeleton structure of the foam metal is inserted into powdery active substances for pressurization to obtain an electrode plate with strong binding force, so that the active substances difficultly fall, the electric conductivity of the active substances of the electrode is effectively improved, internal resistance is lowered, heat produced by the battery is reduced, radiation is facilitated, and the service life of the battery is prolonged; and in addition, a solid-state active substance is used for directly filling the foam metal without an aqueous solution or a non-aqueous solvent, so that the obtained electrode plate is not required to be baked to remove the solvent, the manufacture period of the battery is shortened, energy consumption is reduced, and production cost is saved.

The invention relates to a method for extraction of available composition from biological materials. With biological material such as plant, animal or mushroom as raw material, and the solution such as water or alcoholic solution,citrate solution, weak hydrochloric solution or sodium-hydroxide solution as the solvent, the mixture of said powder raw material and solvent is dealt with high-voltage pulse field in normal temperature to prepare the extract containing available composition of biological material, the field intensity being 5- 125kV / cm and pulse number being 1- 1000. With the method, the extraction time is short, the yield high, the energy consumption small, and also the thermo-sensibility substance in available composition can be effectively protected.

The invention discloses an integrated chip, a device adopting the integrated chip and a method for preparing micron-sized dispersoid; the substrate of the integrated chip is the substrate with hydrophilic surface; two layers of adjacent structures are a group of structures, and the integrated chip comprises at least one group of structures; in one group of structures, the first structure is provided with M levels of gradients, and the second structure is provided with N levels of gradients; wherein, M and N are natural numbers, and M is less than N; among the gradients, the primary gradient is provided with H1 channel 1, H2 branches are led out from each channel 1 in the secondary gradient, and H1*H2...*HN channel N are formed; one side which is far away from each channel M is provided with a connecting channel respectively; the integrated chip also comprises at least a collecting groove; the integrated chip also comprises at least one collecting groove which is connected with the output end of each collecting channel for collecting and exporting products. The invention has very high productivity and absolute advantage in the aspect of the large scale production of contrast agent.

The invention discloses a manufacturing method of a field emission ion neutralizer chip based on an SOI process. The manufacturing method comprises the following steps: (1) preparing an SOI substratewith a polished surface; (2) removing the top silicon and the silicon dioxide insulating layer in the target area by using photoetching and etching processes, and exposing the bottom silicon; (3) obtaining an array type photoresist pattern on the underlying silicon, and depositing a buffer layer and a catalyst layer to form a buffer layer-catalyst layer array; (4) forming a carbon nanotube array to obtain a cathode part; (5) preparing an array type through hole structure by using a silicon wafer as a grid substrate; (6) depositing a metal film on the through hole structure to obtain an anode part; and (7) bonding the cathode part and the anode part to obtain the field emission ion neutralizer chip. By improving the design and the like of the whole flow process of the preparation method, the obtained device can effectively overcome the field shielding effect and the heat effect, and has the advantages of being good in emission efficiency, low in power consumption and long in service life.

The invention relates to a PDM (positive displacement motor) drilling tool for well drilling, comprising a bypass valve assembly, a motor assembly, a universal shaft assembly and a driving shaft assembly, wherein the driving shaft assembly comprises a driving shaft shell, a driving shaft and a whole floating type thrust bearing; the whole floating type thrust bearing comprises a bearing shell, a plurality of bearing moving rings and a plurality of bearing static rings; a shaft sleeve is arranged between every two bearing moving rings; the bearing moving rings and the bearing static rings are all fastened and sleeve the driving shaft; two bearing static rings sleeve each shaft sleeve at intervals; an annular flange is formed on the inner wall of the bearing shell positioned between every two bearing static rings; a shock-absorption energy storage body is respectively arranged between the annular flange and every two bearing static rings; a plurality of long slots are formed in the lateral wall of each bearing static ring along the axial direction of the bearing shell; a bolt is connected with the position, corresponding to each long slot, of the bearing shell; the end part of each bolt extends into the corresponding long slot; each bearing static ring is matched with the corresponding bearing moving ring through two diamond compacts; one diamond compact is arranged on the corresponding bearing static ring; the other diamond compact is arranged on the corresponding bearing moving ring.

The invention relates to the technical field of power lithium ion battery cathode materials, and discloses a positive electrode and a preparation method and application thereof. The positive electrodecomprises a current collector, at least two layers of coatings and conductive layers, wherein the two sides of the current collector are sequentially coated with the coatings respectively, and the conductive layers are arranged between the adjacent coatings. Each coating contains a positive electrode active material, a first conductive agent, an optional second conductive agent and a binder, andthe weight ratio of the positive electrode active material to the first conductive agent to the second conductive agent to the binder is (85-97):(0.5-5):(0-5):(1-5); in the direction away from the current collector, in the adjacent coatings, the total content of the first conductive agent and the second conductive agent is sequentially decreased progressively, and the decreasing amount is not smaller than 10% of the total amount of the conductive agents; or the compaction densities of the adjacent coatings are sequentially decreased progressively, and the decreasing amount is not smaller than2%. The positive electrode can improve the bonding force and conductivity between coatings, can improve the electron transmission efficiency, can reduce the internal resistance of the electrode and the battery, can reduce the heat production of the battery and can further reduce the cost of the battery.

The invention discloses a high-safety composite diaphragm. The diaphragm comprises a commercial diaphragm, wherein the single-side or double-side surface of the commercial diaphragm is coated with atleast one functional material layer; the commercial diaphragm is used for bearing and fixing the functional material layer; the functional material layer comprises a high-thermal-conductivity material, a conductive agent, a lithium ion conductive material, a binder and a dispersing agent. In addition, the invention also discloses a preparation method of the high-safety composite diaphragm. The method comprises the following steps: 1, uniformly mixing the high-thermal-conductivity material, the conductive agent, the lithium ion conductive material, the binder, the dispersing agent and the solvent to obtain functional material layer slurry; 2, performing single-sided or double-sided coating on the commercial diaphragm by using the functional material layer slurry in a micro-gravure coating mode to obtain a composite diaphragm; 3, sequentially carrying out drying treatment, heat setting and rolling operation on the composite diaphragm. Starting from two aspects of heat generation and heatconduction, heat accumulation caused by short circuit in the battery can be effectively inhibited, and thermal runaway is avoided.

The invention relates to a battery pole piece, a preparation method of the battery pole piece, and a battery, and relates to the technical field of batteries. The mainly adopted technical scheme is asfollows: the battery pole piece comprises a current collector, an active material coating and a PTC (positive temperature coefficient) material coating, wherein the surface of the current collector comprises a first area and a second area, the active material coating is coated on the first area, and the PTC material coating is coated on the second area. The preparation method of the battery polepiece comprises the following steps: preparing a PTC material slurry, coating the PTC material slurry on the second area of the current collector, preparing an active material slurry, and coating theactive material slurry on the first area of the current collector. The battery comprises the above battery pole piece. The battery pole piece is mainly used to reduce the probability of thermal runaway occurring when the battery is short-circuited or the temperature is too high, and the safety of the battery is improved.

The invention provides a composite isolation membrane for a lithium-ion battery. The composite isolation membrane is characterized in that various component materials required by the isolation membrane are stirred in a ketone or carboxylate organic solvent in vacuum to prepare isolation membrane paste, and a membrane layer of which the thickness is 20-100 microns is directly prepared on a mylar film carrier or a positive plate or a negative plate of the battery by adopting a wet roller scraping and continuous coating method. The isolation membrane provided by the invention has unique combination of high porosity and high distortion; a resistance value of the prepared lithium battery is lower than those of other batteries in the industry, generated heat is low when the battery works at high power and the performance of the power battery is expected to be improved to that of a new generation.

The invention provides a fast, non-heat change and high-efficiency method for breaking ganoderma lucidum spore, belonging to the technical field of biology. The method comprises the steps of: 1. adding the ganoderma lucidum spore into water or 20-100% alcohol-containing solution or edible acid solution with the pH value of 3-7 or edible alkali solution with the pH value of 7-10, and evenly stirring to prepare mixture, wherein the weight ratio of the ganoderma lucidum spore to the solution is 1:5-15:2; and 2. processing the mixture under normal temperature though high-pressure pulse electric field to break, wherein the electric-field intensity is 10-110 kilovolt / cm and the number of the pulse is 1-800. By using the high-pressure pulse electric field, the method has less heat energy in the process of breaking, low raised temperature of a breaking target, and short breaking time. The breaking mechanism is not breaking the cell wall in the high-pressure pulse electric field but breaking the cell wall by forming a plurality of through holes on the surface of the cell wall by polar molecules in the solution under the function of the high-pressure pulse electric field, thereby improving the use ratio of bioactive substances.

The invention provides a plant transformation vector, and a construction method and application thereof. In the vector, a red fluorescent protein UPMT (uroporphyrinogen III methyltransferase) and a resistance screening alad gene are used as a reporter gene and a selected marker for plant transfection. The red fluorescent protein UPMT and the resistance screening alad gene have similar functions, are superior to antibiotic and a green fluorescent protein fusion marker for example, and can be used for screening and subcellular organelle positioning in rice chloroplast transformation. Thus, the two genes used as screening markers of a transgenic plant can indicate the positioning of the cytologic and tissue specificity of a target gene, and can also promote the photosynthesis efficiency of plants and the accumulation of nutrient substances. The invention has potential and broad application backgrounds in the transgenic plant research and marketing process, and is hopefully developed into a dominant selected marker system in plant transformation.

The invention discloses an electric driving wheel system which comprises a source power assembly, a power adjusting assembly and a power coupling transmission assembly. The source power assembly comprises a main motor set and an auxiliary motor. The auxiliary motor is connected with the power adjusting assembly. The power adjusting assembly is connected with the power coupling assembly. The main motor set is connected with the power coupling assembly. The source power assembly is used for producing and transferring power. The power adjusting assembly is used for adjusting the power transferred by the auxiliary motor to be matched with the power of the main motor through the conversion between the solid state and the liquid state of magnetorheological fluid and transferring the power to the power coupling transmission assembly. The power coupling assembly is used for decreasing the speed and increasing the torque of the transferred power and then outputting the power. According to the electric driving wheel system, a traditional design mode is changed, high-transmission-ratio transmission of a single motor is replaced by coupling power provided by multiple motors, mechanical heat production is reduced, the operation reliability is improved, and the economical efficiency of the electric driving wheel is effectively improved.

The invention provides a pole piece and an application thereof, and a low temperature rise safety lithium ion battery containing the pole piece, the pole piece comprises a current collector, and at least two active coatings and at least one efficient conductive PTC film are fixedly arranged on each of two opposite surfaces of the current collector; the active coating and the efficient conductive PTC film are arranged at intervals from inside to outside from the surface of the current collector, and the outermost side is the active coating; the conductivity of the active coating on the outermost layer is smaller than that of the other active coatings, and / or the active substance of the active coating on the outermost layer adopts an active substance with high thermal stability. According tothe pole piece disclosed by the invention, the internal temperature distribution is more uniform, the temperature rise of conventional use or internal short circuit of the battery is reduced, and thermal runaway can be slowed down, so that the safety of the lithium ion battery is improved.

The invention discloses a motor and controller integrated system. The motor and controller integrated system comprises a shell, a first end cover, a motor body, a controller body and heat dissipationcomponents. The first end cover is arranged in the shell. An inner cavity of the shell is divided into a first cavity and a second cavity with the first end cover as the boundary. The first end coveris internally provided with first heat dissipation channels. The motor body is arranged in the first cavity. The controller body is arranged in the second cavity. The integrated system is provided with capacitance assemblies and power conversion assemblies, wherein the capacitance assemblies and the power conversion assemblies are sequentially arranged in a superposed manner from the direction away from the first end cover to the direction close to the first end cover and electrically connected. All the capacitance assemblies are located on the same layer. All the power conversion assemblies are located on the same layer. The heat dissipation components are arranged between the capacitance assemblies and the power conversion assemblies in a clamped manner and provided with second heat dissipation channels. Direct heat dissipation is conducted on the capacitance assemblies and the power conversion assemblies; indirect conduction conducted through other electronic elements is not needed;the heat dissipation effect achieved among the assemblies is particularly good; and high stability of the outputable power of the motor and controller integrated system is guaranteed.

A system configured to determine information related to one or more gaseous analytes in a body of gas comprises a luminescable material, one or more emitters, one or more photosensitive detectors, and a processor. The emitters emit amplitude modulated electromagnetic radiation onto the luminescable medium in communication with a body of gas causing luminescence in the luminescable medium. The photosensitive detectors receive the amplitude modulated electromagnetic radiation generated by the luminescence of the luminescable medium and generate one or more output signals, at least one of the output signals indicating the intensity of the received electromagnetic radiation. The processor receives the output signals and determines information related to one or more gaseous analytes in the body of gas. The determination of information related to the one or more gaseous analytes may comprise compensating for a delay that varies as a function of the intensity of the received electromagnetic radiation.

The double wheel rotor engine includes one case comprising cylinder body and cover; one main motion system with most parts in the cylinder and shaft extending beyond the cylinder; one gas distributing system comprising air strainer, total gas inlet pipe, turbocharger and other parts; one water or air cooling system; one lubricating system comprising lubricant tank, oil pipes, filtering and cooling supercharger, driving gear and lubricated parts; and one igniting system with power source, electronic igniting controller and spark plug. The present invention produces rotation power directly with the double wheel rotor engine, which has small size, light weight, great output power, low noise and easy cooling and is suitable for automobile, ship, small airplane, etc.