48 results about "Stirling engine" patented technology

The invention relates to the field of Stirling engines, and provides a Stirling engine oil-free lubrication cylinder sleeve and a Stirling engine, the Stirling engine oil-free lubrication cylinder sleeve comprises a cylinder sleeve body, and the inner hole wall of the cylinder sleeve body is divided into a high-speed section and low-speed sections located on the two sides of the high-speed section in the axial direction of the cylinder sleeve body; continuous net-shaped textures are arranged on the surface of the inner wall of the high-speed section, pit textures distributed in an array mode are arranged on the surface of the inner wall of the low-speed section, and the net-shaped textures and the pit textures form gradient surface textures in the axial direction of the cylinder sleeve body. The gradient surface texture is arranged on the inner surface of the cylinder sleeve according to the reciprocating speed characteristic of a piston, the high-speed section strengthens gas dynamic pressure bearing through the net-shaped texture, the low-speed section optimizes adhesion resistance and abrasive dust storage through the pit texture, the gas lubrication potential is fully released, friction reduction and service life prolonging of a dynamic sealing friction pair are achieved, and the service life is prolonged. The problems that a single surface structure of a traditional cylinder sleeve cannot be matched with the reciprocating speed difference of a piston, and the gas lubrication effect is insufficient are solved.

The invention belongs to the technical field of aircraft thermal management, and discloses a high-power hybrid power thermal management system. Comprising a Stirling engine, a high-temperature heat pipe loop, a medium-temperature heat source loop and a low-temperature heat source loop. The Stirling engine comprises a Stirling engine and a Stirling cryocooler which are oppositely arranged, and harmonic oscillators are adopted between the Stirling engine and the Stirling cryocooler for phase modulation. One end of the Stirling engine serves as a high-temperature end to be connected with the high-temperature heat source loop; a room temperature end between the two is connected with a medium-temperature heat source loop; a temperature difference is constructed in the Stirling engine through the high-temperature heat source loop and the medium-temperature heat source loop, external heat is absorbed through the Stirling engine to generate work, and therefore corresponding cooling capacity is generated in the low-temperature heat source loop of the Stirling cryocooler.

The application provides a Stirling heat engine and heat pump system, and the Stirling heat engine at least comprises: a shell provided with a containing cavity; a first heat exchanger arranged in a first end of the containing cavity; a second heat exchanger arranged in a second end of the containing cavity; a regenerator arranged in the containing cavity and located between the first heat exchanger and the second heat exchanger; a first piston arranged in the first end and located on a side of the first heat exchanger away from the regenerator, the first piston is sealingly arranged with an inner side wall of the first end, and a first compression cavity is formed between the first piston and the first heat exchanger; wherein the first piston is provided with a first buffer cavity, and a ventilation mechanism is arranged on a side of the first piston facing the first heat exchanger and communicated with the first buffer cavity and the first compression cavity respectively, and the ventilation mechanism and the first buffer cavity are used for adjusting the air pressure in the first compression cavity. In this way, the heat pumping efficiency and energy efficiency of the Stirling heat engine can be improved.

The invention discloses an integrated Stirling engine heat regenerator-cooler assembly. A shell-and-tube cooler of the heat regenerator-cooler assembly comprises a cooler structural part and a cooler heat exchange tube bundle which are fixedly connected. The side wall of the cooler structural part is sleeved with multiple layers of cooler heat exchange tube bundles which are distributed in the circumferential direction. The metal wire mesh sintering type filter pad, the metal wire mesh sintering type heat regenerator and the cooler structural member are all of circular ring structures; the metal wire mesh sintering type heat regenerator and the cooler structural part are coaxially arranged, and the metal wire mesh sintering type heat regenerator is fixedly installed between the cooler structural part and the heat regenerator outer cylinder body. And wire mesh sintering type filter pads are fixedly mounted on the two end surfaces of the wire mesh sintering type heat regenerator. The heat regenerator-cooler assembly can effectively reduce the flow loss of a working medium and achieve efficient heat exchange, so that efficient work of the Stirling engine is guaranteed.

The invention relates to the technical field of 3D printing, and provides a Stirling type liquid cooling FDM 3D printing spray head device and a 3D printer, and the spray head device comprises a wire feeding assembly, an energy conversion assembly, a heating assembly and a hot melting spray head; the heating assembly is provided with a first wire channel, and the heating assembly is used for heating a printing wire passing through the first wire channel to be in a molten state; the hot melting nozzle is mounted at an outlet of the first wire channel, and the printing wire heated to be in a molten state is extruded out of the hot melting nozzle; the energy conversion assembly is configured to be used for collecting heat of the heating assembly and converting the collected heat into mechanical energy so as to drive the wire feeding assembly. According to the FDM 3D printing nozzle device, the wire feeding assembly, the energy conversion assembly, the heating assembly and the hot melting nozzle jointly form an energy conversion device similar to a Stirling engine, heat is converted into mechanical energy, the wire feeding, wire melting and printing functions of the FDM 3D printing nozzle device are achieved, a motor and a power supply module do not need to be configured, and the manufacturing cost is reduced. Effects of efficient liquid cooling, energy recycling and weight reduction are achieved.

The invention discloses a surface texturing piston ring based on a gas lubrication Stirling engine and a manufacturing method, the piston ring is made of a filled polytetrafluoroethylene material, and circular pit textures which are uniformly distributed are arranged on the sealing surface, used for forming dynamic sealing with a cylinder sleeve, of the piston ring; the radius of the circular pit texture ranges from 100 micrometers to 300 micrometers, the area occupancy of the circular pit texture on the sealing surface ranges from 10% to 40%, and the depth-diameter ratio ranges from 0.001 to 0.01. According to the method, by optimizing the geometrical parameters and the distribution form of the surface texture, enhancing the gas dynamic pressure bearing capacity and improving the piston ring-cylinder sleeve mixed lubrication condition, the problem that the piston ring is rapidly abraded and fails under the oil-free lubrication working condition is solved, the abrasion rate is reduced, the service life of a sealing piece is prolonged, and the reliability and the operation stability of the Stirling engine are improved.

The invention discloses an opposed fin heater applied to a Stirling engine. The heater comprises a heat exchange sleeve, heat exchange fins, a pressure-bearing shell, a plurality of multifunctional adjusting blocks, a shell temperature measurement fixing column, an inner cavity temperature measurement fixing column, a column section flange and an adjusting inner core. According to the heater, opposed interfaces of the two Stirling engines are provided by adopting the symmetrically-arranged column section flanges, the two Stirling engines share a hot end working cavity, axial vibration is mutually counteracted when the two engines work at the same time, and a single-machine vibration acceleration signal can be reduced by 50%; heat generated by an external heat source is transmitted to the internal working medium through the heat exchange sleeve and the heat exchange fins in sequence; the multifunctional adjusting block can adjust the weight, the internal volume and the heat capacity of the heater by selecting different materials and structures, and therefore adjustment of parameters such as the weight, the gravity center and the thermal inertia of the heater is achieved.

A kind of heat storage energy power generation system, including heat storage device and stirling engine, the main shaft transmission output of stirling engine is connected generator, and intelligent general control system is associated with control above-mentioned each device, several parallel power shafts are arranged in stirling engine, and one power cylinder is connected at the both ends of each power shaft, power shaft is driven connection main shaft by respective corresponding crank mechanism, two power cylinders on the same power shaft are respectively connected with the both ends of corresponding heating cylinder by gas pipeline, and the inner chamber of heating cylinder is divided into two variable chambers by moving partition and constitutes gas alternate reciprocating mechanism, and each heating cylinder is heated by heat storage device.The utility model has the advantages of reasonable structure, power cylinder is connected at the both ends of power shaft, action stroke is not idle, and the efficiency of work is high, the working phase of crank mechanism of different power shafts can be staggered, to ensure that main shaft has no dead point, and rotation output is more stable and continuous.The number of power cylinder can be adjusted conveniently by intelligent control work, and output power generation power is adjusted.

The application discloses a Stirling refrigeration engine system and a heat exchange system thereof, which comprises a Stirling engine body, wherein the Stirling engine body comprises a refrigeration head, the refrigeration head comprises a plurality of refrigeration components, the refrigeration components comprise a cover body one, a cover body two and a plurality of refrigeration capillary tubes, the cover body one is connected with a hot cylinder of the Stirling engine body, the cover body two is connected with a cold cylinder of the Stirling engine body, and the two ends of the refrigeration capillary tubes are connected between the cover body one and the cover body two respectively, the Stirling refrigeration engine system further comprises a rotary driver, a rotary output shaft of the rotary driver is connected with a rotating shaft of the Stirling engine body, and the rotary driver is used for driving the Stirling engine body to work, and the refrigeration capillary tubes can be cooled and refrigerated. The Stirling engine body can be driven to generate a Stirling cooling cycle by the electric rotary driver, working gas forms a Stirling refrigeration cycle in the Stirling engine body, and high-speed refrigeration is achieved by using the working gas to form a closed cycle to do work.

The present application relates to power generation system technical field, provide a kind of distributed stirling power generation system, it includes: heat pipe stack, heat conducting piece, generator and multiple stirling engines;The heat pipe stack is equipped with multiple heat pipes, multiple the high temperature end heat exchanger of multiple stirling engines is connected to the heat conducting piece respectively, so that the heat of the heat pipe can be conducted to the high temperature end heat exchanger by the heat conducting piece;The generator is equipped with compression cavity, and the air chamber of each stirling engine is communicated with the compression cavity of the generator.This distributed stirling power generation system multiple stirling engines are connected with heat pipe through heat conducting piece, increase the system heat exchange area, reduce heat loss, improve the thermoelectric conversion efficiency of power generation system.And the redundancy of this system is high, and the processing and manufacturing difficulty is low.

Conventional Stirling engines have the following drawbacks: • The two working gases that exchange heat with each other do not reach the heat exchanger at the same time. The pressure, volume, temperature, and entropy of the working gas change continuously. [Solution] A combination of a cylinder and a piston creates a first heating chamber, a second heating chamber, a first cooling chamber, and a second cooling chamber. The first heating chamber and the second cooling chamber are small for the same volume. The second heating chamber and the first cooling chamber are large for the same volume. Each cylinder is connected by a vent pipe with a check valve. The vent pipes connecting the second heating chamber and the first cooling chamber, and the vent pipes connecting the third cooling chamber and the first heating chamber, are passed through the heat exchanger. The pistons and crankshafts are connected such that when the volumes of the first heating chamber and the first cooling chamber are at their minimum, the volumes of the second heating chamber and the second cooling chamber are maximized. The first and second heating chambers are heated with a high-temperature heat source, and the first and second cooling chambers are cooled with a low-temperature heat source.

The application relates to the technical field of free piston Stirling generators, and provides a free piston Stirling power generation system with built-in air compression devices, which comprises a heat source, a Stirling generator, air compression devices and a helium heat transfer pipeline. The helium heat transfer pipeline sequentially passes through the heat source and the Stirling generator, so that heat transfer gas in the helium heat transfer pipeline is heated by the heat source and then supplied to the Stirling generator to generate heat and power. The air compression devices are arranged in the expansion cavity of the Stirling generator, and the kinetic energy of a phase adjuster in the Stirling generator is used to provide air compression driving force, so that the structure of the Stirling power generation system is simplified, and the air compression devices do not need to rely on other additional driving components. The helium heat transfer pipeline adopts a gas medium, high-pressure gas generated by the helium heat transfer pipeline is directly coupled with the heat source for heat exchange, and the corrosion of other heat transfer mediums (for example, molten salt, liquid metal and the like) to the heat head structure does not need to be considered. The free piston Stirling power generation system has the advantages of simple and compact structure, wide heat source adaptability and high thermoelectric efficiency.

This application relates to the field of Stirling engine cooling technology, specifically to a Stirling engine cooler based on a printed circuit board. The cooler includes: a cooler housing comprising an outer tube, an inner tube, and a slot; the cooler housing is secured to the outer wall of the engine via the slot; air guide plates and heat dissipation plates are fitted onto the outer wall of the inner tube, with multiple air guide plates and heat dissipation plates arranged alternately; a water inlet and a water outlet, one end of which is connected to the internal space of the heat dissipation plate; a first airflow groove and a second airflow groove are provided on the surface of both the air guide plates and the heat dissipation plate. Through the above structural design, this application improves the compactness of the engine cooler, cools the helium gas emitted by the engine through the alternating arrangement of air guide plates and heat dissipation plates, resulting in a larger heat exchange area and higher heat exchange efficiency.

The utility model relates to the technical field of Stirling engine model measurement, in particular to a device for measuring the power of a Stirling engine model and a control system, comprising a support mechanism, a conversion mechanism, an adjusting mechanism and an electronic scale, the control system comprises two groups of direct-current power supplies, a heating end temperature control unit, a cooling end temperature control unit and an electrodynamic torque meter circuit unit; the Stirling engine model and the testing device are combined and assembled, so that the power efficiency can be conveniently and accurately measured; through cooperation of the Stirling engine model and the control system, the cold and heat source temperature can be conveniently and accurately controlled, and meanwhile the problem that the Stirling engine model is overheated after running for a long time is solved.

This application discloses an ultra-compact counter-flow microchannel cooler for Stirling engines, comprising a cooling shell and a cooling core. The cooling core includes multiple heat dissipation plates and multiple air guide plates. Both the heat dissipation plates and air guide plates are hollow tubular structures. The heat dissipation plates and air guide plates are alternately stacked in the radial direction. The heat dissipation plates have cooling channels in the axial direction, and the air guide plates have air guide channels in the axial direction. Hot fluid and cold fluid exchange heat in the multiple air guide plates and heat dissipation plates. This application solves the technical problem that traditional shell-and-tube coolers cannot be used for high-heat-load heat exchange within a confined annular space. Through the alternating stacking design of the air guide plates and heat dissipation plates in the heat exchange core, the heat exchange area per unit volume can be significantly increased, the compactness of the cooler structure can be improved, and the heat exchange power can be increased.

The present application relates to the field of energy conversion, and provides a Stirling engine, which comprises an energy conversion device and a linear motor, the energy conversion device is arranged to form an axial temperature gradient, the energy conversion device is provided with a buffer tube, one end of the buffer tube is communicated with an expansion cavity in the energy conversion device, the expansion cavity is located at one end of the energy conversion device away from the linear motor, and the buffer tube extends along the axial direction of the energy conversion device; the linear motor comprises a piston, a phase adjuster and a cylinder body, the piston can reciprocate in a second cavity of the cylinder body, the piston is slidingly and sealingly connected with the buffer tube, the phase adjuster is located at the other end of the buffer tube, the phase adjuster is slidingly and sealingly connected with the piston, a first cavity is formed between the phase adjuster, the piston and the buffer tube, and the first cavity is communicated with the expansion cavity through the buffer tube. The Stirling engine provided by the present application sets the buffer tube in the engine, and installs the phase adjuster in the linear motor, so that the phase adjuster is away from the energy conversion device, and the influence of high-temperature or low-temperature environment on the phase adjuster is reduced.

The invention discloses a metal monolithic catalyst for fuel reforming of a Stirling engine and a preparation method of the metal monolithic catalyst. The method comprises the following steps: performing in-situ oxidation on a FeCrAl honeycomb metal matrix at 950 DEG C to form an Al2O3 nano whisker layer with the diameter of 2-5 microns and the length of 10-20 microns; coating gamma-Al2O3 support slurry on the porous support layer in a dip-coating manner to form a porous support layer; alternately dipping in a cerium nitrate solution and a zirconium nitrate solution, and roasting to construct a Ce0. 75Zr0. 25O2 porous functional layer; and a high-dispersion noble metal active layer is loaded according to the molar ratio of Pt to Rh being 1: 1. The obtained catalyst has high interface bonding strength, high specific surface area and excellent mass and heat transfer performance, can realize high diesel conversion rate and high hydrogen selectivity under the working condition of high-temperature and high-pressure reforming, and shows good carbon deposition resistance and stable operation capability.

The present invention relates to a heat engine comprising at least one Stirling engine for converting thermal energy into mechanical energy or vice versa, and at least one power output. The Stirling engine has at least one displacer cylinder with a displacer piston and at least one working cylinder with a working piston. The displacer piston is connected to the power output via a displacer-piston-side transmission line, and the working piston is connected to the power output via a working-piston-side transmission line.

An interior space climate control system featuring a temperature differential engine, with the temperature differential engine configured to exploit the temperature differential of at least two sources with different temperatures. The fluids may be used to provide additional benefits to an interior space, such as heating, hot water, cooling, and refrigeration, and unused climate control fluids may in turn be used as sources of fluids with temperature differentials.

The invention provides a free piston thermoacoustic Stirling air floatation piston structure which comprises an air cylinder internally provided with a mounting cavity. The phase modulator, the power piston and the gas spring piston are all arranged in the mounting cavity, one side of the phase modulator is connected with a Rod rod, and the Rod rod penetrates through the power piston and is connected with the gas spring piston; air gaps are reserved between the gas spring piston and the inner wall of the air cylinder, between the power piston and the inner wall of the air cylinder and between the phase modulator and the inner wall of the air cylinder; a compression cavity is formed between the phase modulator and the power piston; the air supply pipeline is distributed on the inner wall of the air cylinder and corresponds to the axial positions of the phase modulator, the power piston and the gas spring piston, and one end of the air supply pipeline is communicated with the air gap; the other end of the air supply pipeline is communicated with the high-pressure air cavity; and high-pressure gas in the high-pressure gas cavity enters the air gap to form a high-pressure gas film. The gas spring piston, the power piston and the phase modulator are supported, gas floating supporting points are moved to the two sides from the center, and the torque resistance is improved.

An energy harvesting system for use in a container manufacturing process includes a heat exchanger structured to receive waste energy from a waste energy source in the container manufacturing process and to heat a working fluid using the waste energy, and a Stirling engine structured to convert heat in the working fluid to mechanical work.

The invention discloses a Stirling engine honing cylinder sleeve based on gas lubrication, the cylinder sleeve is made of a stainless steel material, and after ion nitriding treatment, the inner surface of the cylinder sleeve is provided with uniformly distributed cross honing reticulate pattern textures; the cross angle of the cross honing reticulate pattern texture ranges from 30 degrees to 150 degrees, the groove depth ranges from 0.1 micrometer to 0.5 micrometer, the width-to-distance ratio ranges from 0.2 to 0.5, the line width ranges from 20 micrometers to 100 micrometers, and the line distance ranges from 200 micrometers to 800 micrometers. According to the invention, by optimizing the geometrical parameters, the processing technology and the surface state of the honed reticulate pattern on the surface of the cylinder sleeve, enhancing the gas dynamic pressure bearing capacity, improving the piston ring-cylinder sleeve mixed lubrication condition, reducing the frictional wear under the oil-free lubrication working condition, solving the problem of quick wear failure of the piston ring, reducing the wear rate of the piston ring, and prolonging the service life of a sealing element; and therefore, the reliability, the operation stability and the power density of the Stirling engine are improved.

This invention relates to the field of nuclear reactor engineering technology and discloses a Stirling engine device for a space environment gas-cooled reactor, comprising: a casing defining an internal cavity; and an insulating baffle disposed within the cavity and dividing it into an inner chamber, an outer chamber, a connecting chamber, and a crankshaft chamber. The inner chamber contains a reactor heat source, a gas distribution piston, and a power piston arranged sequentially at intervals. The outer chamber contains a regenerator and a cooler arranged adjacent to each other. By integrating the reactor heat source within the Stirling engine casing, the reactor heat transfer system is eliminated, eliminating the need for heat pipes or other heat transfer circuits. Simultaneously, the rotating crankshaft drives a self-sustaining cooling device, passively operating to propel the cooling medium from the cooler into a droplet generator, where it is transformed into fine droplets. During droplet flight, the droplets radiate heat to the space environment and then return to the cooler. This simplifies the structure, reduces the overall size and weight of the engine, and makes it suitable for various applications requiring continuous and reliable power output, such as deep space exploration.

Heat engine (M), comprising a high-performance low-temperature Stirling engine with a pressure chamber formed by at least one housing part (1A, 2A, 1A-2A), which is pressure-tight from the environment and filled with a working fluid (FL), and which delivers mechanical power on a hot side (HS) by external heat input at a higher temperature and on a cold side (KS) by external heat dissipation at a lower temperature compared to the higher temperature, wherein the at least one pressure chamber is divided into two fluid-tight and pressure-tight working chambers by periodically movable pistons (3, 4), wherein the working chambers are separated from each other on the fluid side by the pistons (3, 4) and are operatively connected on the pressure side via the pistons (3, 4), wherein one of the pistons (3, 4) on the hot side (HS) is heated by the external heat input relative to the other piston (3, 4) located on the cold side (KS).4) is brought to a higher temperature or kept at a higher temperature, and the other piston (3, 4) arranged on the cold side (KS) is kept at a lower temperature or brought to a lower temperature relative to the piston (3, 4) arranged on the hot side (HS), wherein the pressure fluctuations generated in the working chambers periodically act on the movable pistons (3, 4) which are operatively connected to eccentric shafts (5, 6) having eccentrics (5A, 6A), wherein the eccentric shafts (5, 6) are arranged parallel to each other with respect to their longitudinal axes (5B, 6B), characterized in that an eccentric center (5C, 6C) of the eccentric (5A, 6A) of one eccentric shaft (5, 6) forms a predetermined angular offset (V) relative to the other eccentric shaft (5, 6), wherein the angular offset (V) between the eccentric centers (5C, 6C) the eccentric (5A, 6A) and the centers of the longitudinal axes (5B,6B) the one eccentric wave (5, 6) is formed relative to the other.

The invention relates to the technical field of cold insulation operation, in particular to a cold insulation operation device for a refrigerator and a method thereof.The cold insulation operation device comprises the refrigerator and a temperature difference liquid control mechanism, a liquid storage tank is formed in the inner bottom of the refrigerator, a liquid injection channel in the temperature difference liquid control mechanism is formed in one side of the liquid storage tank, and a liquid inlet channel is formed in the inner wall of the liquid injection channel; and one end of the liquid injection channel is communicated with a cold air pipe. Through cooperation of the cold air pipe, the Stirling engine, the second piston, the liquid inlet channel, the liquid discharging channel and the expansion valve, when the refrigerator is powered off, in order to ensure that the cold insulation time is prolonged, the Stirling engine drives the second piston to repeatedly move up and down in the liquid inlet channel through the temperature difference and the Stirling principle, liquid can be continuously controlled to flow, and the cold insulation effect is improved. And meanwhile, when the liquid enters the refrigerating chamber and the freezing chamber through the expansion valve, cold air is released, and the cold insulation time of the refrigerator is prolonged.

The invention provides a solar power supply multi-mode water supply hydrogen-containing comprehensive energy system, and belongs to the field of comprehensive energy systems. The comprehensive energy system comprises a Stirling engine and a solar cell panel, and is used for converting solar energy into electric energy and transmitting the electric energy to the power supply control device; cooling water is conveyed to a first heat exchanger after being heated, and cold water is conveyed to the first heat exchanger for heat exchange to form domestic hot water; heat generated by the air source heat pump is transferred to a second heat exchanger, heating cold water is conveyed to the second heat exchanger for heat exchange, and hot water enters a heating device after heat exchange; the membrane distillation device and the solar interface water evaporation device are used for generating pure water; the alkaline electrolyzed water system decomposes pure water; a photocatalytic hydrogen production system; and the power supply control device supplies power to the membrane distillation device and the alkaline electrolysis water system. According to the energy system, solar power supply, multi-mode water supply and alkaline electrolyzed water self-supply are achieved, and the problems that in an existing energy system, alkaline electrolyzed water cannot be self-supplied, multi-mode water supply cannot be achieved and the like are solved.

This invention discloses an intelligent and controllable water mist sterilization device and method, applicable to efficient sterilization in clean spaces, belonging to the field of ozone indoor sterilization technology. The device uses an AGV (Automated Guided Vehicle) robot as a carrier and integrates an electrolytic cell, a mixing chamber, and a Stirling engine. Its core innovation lies in using pure water as raw material. Electrolysis is performed in the electrolytic cell using a solid polymer electrolyte under a DC electric field, generating high-concentration ozone at the anode and hydrogen at the cathode. After the ozone and pure water enter the mixing chamber, the Stirling engine is started and maintained by igniting the hydrogen, driving the impeller to rotate at high speed, thoroughly mixing the ozone and water to form high-concentration ozone water. Finally, under the continuous power of the impeller, the ozone water is transported to the water mist spray nozzles, atomized, and sprayed over a large area. The system also includes a buffer to recover undissolved ozone and re-dissolve it, achieving resource recycling.

According to the underwater Stirling engine based on the aluminum water thermal reaction, a main combustion chamber and the Stirling engine are integrally designed through an aluminum water reaction heat conduction part, heat generated by the aluminum water reaction is used for supplying heat to the hot end of the Stirling engine, and cooling fins making contact with the external water environment are matched to serve as the cold end; efficient operation of the Stirling engine is achieved through large temperature difference, and a piston is driven to do work to generate mechanical energy; the high energy density of aluminum metal is combined, and the high cruising ability and propulsive efficiency are achieved.

1. The name of the design product: single-cylinder Stirling engine. 2. The use of the design product: engine teaching demonstration appliance for providing power. 3. The design points of the design product: in shape. 4. The picture or photo that best shows the design points: perspective view 1.

The application discloses a Stirling engine pure oxygen combustion system and a combustion method, and relates to the technical field of Stirling engines. The Stirling engine pure oxygen combustion system comprises a Stirling engine body, a reformer, a metal integrated catalytic system and a direct injection swirl nozzle. The reformer is connected with an exhaust hole of the Stirling engine body through a waste heat recovery pipeline, so that exhaust waste heat can be used for steam reforming of diesel in the reformer. The metal integrated catalytic system is an integrated catalyst with a FeCrAl honeycomb as a base body and is arranged in the reformer. The direct injection swirl nozzle is connected with the Stirling engine body and the reformer and is used for mixing and combusting diesel and reforming gas with pure oxygen. The ejector is connected with the Stirling engine body and the direct injection swirl nozzle and is used for adjusting a smoke gas recirculation ratio. In the application, the coupling design of fuel reforming and pure oxygen combustion is adopted, the exhaust waste heat is deeply utilized, and the combustion efficiency and the external combustion system efficiency are improved.