158 results about "Rotary engine" patented technology

In order to solve the problems that in the prior art, an engine connecting rod big and small hole machining method is low in machining efficiency, material taking or discharging is difficult, clamping and positioning are difficult, and the like, the utility model provides a disc type engine connecting rod big and small hole machining device. The device comprises a rack, a turntable, a stabilizing mechanism, a clamping mechanism, a drilling combined drilling tool, an upper chamfering combined drilling tool and a lower chamfering combined drilling tool, the rack is of a rectangular frame structure; the turntable is disc-shaped, and is rotatably fixed at the geometric center of the working table plate by taking the disc-shaped center as an axis; more than three stabilizing mechanisms are circumferentially and uniformly distributed on the outer side of the edge of the turntable; the number of the clamping mechanisms is six, and the six clamping mechanisms correspond to six stations of loading, drilling, upper chamfering, lower chamfering, cleaning and unloading respectively. The drilling and chamfering machine has the advantages that drilling and chamfering can be conducted at the same time, and machining efficiency is improved; and the clamping mechanism with a mold pressing structure is adopted, so that clamping is accurate and stable, and loading or unloading is facilitated.

An engine housing for an aircraft rotary engine includes a rotor housing and a side housing assembly. The rotor housing includes a rotor housing body. The rotor housing body extends about an axis to form a rotor cavity of the engine housing. The rotor housing body extends between and to a first axial end and a second axial end. The side housing assembly includes a side housing body, a side plate, and a seal assembly. The side housing body is disposed at the first axial end. The side plate includes an inner side, an outer side, and a perimeter edge extending from the inner side to the outer side. The seal assembly includes a support ring and a spacer. The support ring and the spacer extend about the axis. The support ring is mounted to the perimeter edge by a braze joint. The spacer extends between and to a first axial spacer end and a second axial spacer end. The first axial spacer end is disposed at the support ring and the outer side.

The present invention relates to a sine rotary engine and, more specifically, to a technology providing high torque, thereby minimizing energy loss, by using a machine device, which can be used for various purposes such as for producing power by converting, into rotational energy, energy generated using fluid having various pressures or through a chemical reaction of fuel, and, conversely, for a pump that receives power from the outside so as to transfer fluid.

A rotary engine, comprising: housings defining a rotor cavity and respective coolant passages fluidly connected in parallel to a source of coolant; a rotor within the rotor cavity; and a cooling system including: a flow regulating device in fluid communication with the respective coolant passages; a heat exchanger facilitating heat exchange between the coolant and a heat-transfer medium; and a controller operatively connected to the flow regulating device to: determine, based on an engine parameter and an environment parameter of the rotary engine, a flow rate of the coolant to be injected towards the respective coolant passages to maintain the housings within a temperature range, the engine parameter indicative of a quantity of heat generated by the rotary engine, the environment parameter indicative of a quantity of heat the heat exchanger is able to transfer to the heat-transfer medium; and cause the coolant to flow towards at the flow rate.

This invention provides a method and system for modeling defect data in a dual-cylinder rotary engine manufacturing line based on federated learning, relating to the fields of intelligent manufacturing and federated learning. The method includes: collecting raw defect data from the production line machine end and standardizing it to obtain standardized defect feature data; extracting the kinematic posture sequence of cylinder block cutting and the dynamic load spectrum of the assembly contact surface from the standardized defect feature data to construct a mechanical motion constraint basis; projecting the standardized defect feature data onto the basis to form mechanical mapping features; and sequentially performing operations including calculating the implicit semantic affinity between the vectors of each dimension of the mechanical mapping features using an interactive attention coupling mechanism, quantifying feature redundancy using an adaptive distance-weighted attenuation model, and constraining the feature distribution offset using an isoangular regularization reference feature space. This invention can achieve secure data sharing and feature alignment across production lines, improving the adaptability and detection accuracy of the defect identification model.

A rotary combustion engine includes a cylindrical housing with a plurality of internal cavities. Each of the internal cavities is a cylindrical segment of the housing, and a plurality of stationary blades are attached to its inner wall. The stationary blades extend inward to ride along the surface of a central shaft, contacting the shaft with a seal. Each cavity contains a rotor blade attached to the shaft and configured to drive the shaft. Each rotor blade extends outwardly to an inner curve of the housing with a sealing means. Each of the plurality of rotor blades has a reciprocating circular motion inside each of the cavities along the shaft between each of the stationary blades, thereby generating rotational power, delivering compressed rotational force, and provides cooling for the cavity.

The aviation kerosene self-preheating type rotor engine cooling structure comprises a rear end cover, an air cylinder body and a front end cover, the rear end cover and the front end cover are arranged on the two sides of the air cylinder body respectively, the air cylinder body is provided with an air cylinder body, a cooling oil channel is formed in an interlayer of the inner wall of the air cylinder body, and the cooling oil channel is arranged in a hot arc area of the air cylinder body. The hot arc area of the cylinder block body is in an arc shape, an oil inlet and an oil outlet are formed in the two ends of the cooling oil channel respectively, the oil inlet is communicated with a fuel tank through a first oil pipe, and the oil outlet is communicated with a fuel pump through a second oil pipe. Serious quality problems of sealing failure, cylinder score and the like caused by overhigh thermal load and large temperature difference between a hot arc region and a cold arc region of the air-cooled rotor engine are effectively solved, and the service life of the air-cooled rotor engine is prolonged.

A housing assembly for a rotary engine, has: a rotor housing having a peripheral inner face, a first face and a second face; a first side housing secured to the first side and defining a first inner side face fac; and a second side housing secured to the second side and defining a second inner side face, the rotor cavity bounded axially between the first side housing and the second side housing, one or more of the rotor housing, the first side housing, and the second side housing having: a main body made of a base material; and an external layer made of an alloy including the base material, a wear-resistance of the alloy greater than that of the base material, the external layer defining one or more of the first face, the second face, the first inner side face, and the second inner side face.

A rotor-stator assembly for a rotary engine, compressor or pump, includes a rotor arranged to rotate eccentrically in a stator chamber, the geometry of the rotor being configured to provide a first fluid seal at a region of maximum proximity between the outer peripheral surface of the rotor and the inner peripheral wall of the stator chamber. A second fluid seal is provided by means of a component rotating with the rotor, one end of which is permanently connected to the inner surface of the stator chamber by means of bearings and slides along the inner surface of the stator chamber, and the other end of which is accommodated in a radially movable manner in a receptacle of the rotor, the first and second fluid seals delimiting a first chamber portion and a second chamber portion of the stator chamber.

The invention provides an integrated methanol reforming hydrogen production rotor engine-solid oxide fuel cell hybrid power system for an aircraft and a control strategy, the integrated methanol reforming hydrogen production rotor engine-solid oxide fuel cell hybrid power system comprises a rotor engine, a fuel cell, a motor and an ECU, a combustion chamber of the rotor engine is communicated with a methanol supply system and is used for conveying methanol fuel into the combustion chamber of the rotor engine; an inlet of the rotor engine is communicated with the air inlet system; an outlet of the rotor engine is respectively communicated with an inlet of the rotor engine and an anode of the fuel cell through a three-way valve; the fuel cell converts the hydrogen-containing reformed gas into electric energy and is used for providing the electric energy for the motor; the ECU changes the flow of hydrogen-containing reformed gas entering the inlet of the rotor engine and the anode of the fuel cell by changing the opening degree of the three-way valve according to the flight stage characteristics of the aircraft and the temperature of the combustion chamber of the rotor engine. By changing the three-way valve, the power density and takeoff performance of the system are improved, meanwhile, the complexity of the system is reduced, and the hydrogen utilization efficiency is improved.

The utility model relates to the technical field of engines, and provides a high-efficiency large-torque rotor engine. One of a plurality of turbine blades, slope blades and cambered surface blades is arranged in a rotor combustion chamber, the tangential stress area of a rotor is increased, dispersed and efficient combustion is achieved through an ignition channel, thrust in the rotating direction of the rotor is greatly increased, a crankshaft obtains larger torque, the overall acting power is also increased, and the service life of the rotor is prolonged. And the thrust-weight ratio of the rotor engine is improved. The crankshaft is matched with the rotor inner ring gear and the stator gear, so that power transmission of rotor acting is completed. The rotor inner ring gear and the rotor can adopt an integrated or split structure, and are connected through a polygonal embedded structure when being split, so that the torque resistance of the rotor is improved, the shear strength of a connecting bolt can be reduced, and the rotor is suitable for a high-power rotor engine structure. By improving the rotor structure, optimizing the blade design, adopting the polyhedral assembly structure and the like, the working efficiency, the torque and the overall performance of the engine are improved.

The invention relates to the technical field of forming dies, in particular to a rotor engine triangular rotor light-weight aluminum alloy integrated forming die which comprises an upper die base and a lower die base, a lifting assembly is arranged between the upper die base and the lower die base, a containing groove is formed in the upper surface of the lower die base, and a containing groove is formed in the groove wall of the lower end of the containing groove. A placement groove is formed in the upper surface of the mold core, a mold core is placed in the placement groove, a forming groove is formed in the upper surface of the mold core, an annular groove is formed in the forming groove, a fixing hole is formed in the groove wall of the lower end of the annular groove in a penetrating mode, an annular block is placed in the annular groove, and a fixing rod is fixedly connected to the lower surface of the annular block; the double-fixed mold core and the annular block are connected through elastic positioning, so that the stability of the groove bottom is guaranteed, and the shape is accurately controlled to avoid deformation; the mold core is synchronously jacked in a lifting linkage manner of the mold base, a casting is jacked out, and the whole process is simplified; part taking is convenient through pulling and unlocking, whole mold taking does not need to disassemble the main body, rapid mold changing is achieved, and the production efficiency, the casting quality and universality are improved.

The present invention is related to a high-efficiency sine rotary engine that converts rotational energy by burning fuel or using fluid pressure or transmits a fluid using rotational power, and also relates to technology for reducing friction between components to increase power transmission efficiency and increase a fluid sealing effect.

A power supply arrangement (PSA) for an aircraft having an electrical system and an environmental control system (ECS) operatively connected to a cabin of the aircraft, the PSA has: at least one propelling engine; a secondary power unit (SPU) having a rotary engine, at least one generator in driving engagement with the rotary engine and operatively connectable to the electrical system of the aircraft, and at least one load compressor operatively connected to the rotary engine and pneumatically connected to a pneumatic circuit connectable to the ECS of the aircraft, the PSA having a propelling configuration in which the at least one propelling engine and the SPU are both powered and a hotel configuration in which the at least one propelling engine is unpowered while the SPU is powered, the pneumatic circuit pneumatically disconnected from the at least one propelling engine in both of the hotel and propelling configurations.

An internal combustion rotary engine comprising a housing, at least one sun wheel centered about the central axis and positioned within one of at least one cylindrical compartment of the housing, and including a sun wheel circumference and at least one semicylindrical receptable defined along the sun wheel circumference, at least one lobe extending from an inner cylindrical surface of the compartment, and at least one planet wheel received in the at least one semicylindrical receptable of the sun wheel. The at least one planet wheel may be configured to engage the inner cylindrical surface of the cylindrical compartment and include at least one indentation configured to be received by the at least one lobe when the at least one planet wheel rotates along the inner cylindrical surface. Air intake and compression as well as combustion and exhaust may be performed within the same or different compartments of the at least one cylindrical compartment.

A seal assembly for a rotary machine, such as a turbine engine, may include one or more seal segments, each of the one or more seal segments comprising: a seal housing defining a seal chamber and one or more fluid supply orifices extending through the seal housing; and a seal body defining a sealing face and one or more fluid conduits extending through the seal body to the sealing face. The seal chamber may receive at least a portion of the seal body, and the seal body may be movable within the seal chamber along a radial axis of a rotor of the rotary engine. The fluid supply orifice may be in fluid communication with the fluid conduit, and the fluid conduit may be in fluid communication with a fluid bearing gap defined between the seal face and a rotor face of the rotor.

The invention relates to the technical field of aero-engines, in particular to an aero-rotor engine mechanical supercharging design matching method which comprises the steps that parameters needed by supercharging of an engine are obtained; selecting a supercharger; designing an accessory system of the engine based on the supercharger, and constructing a supercharged engine prototype; and determining the matched supercharged engine. According to the method, a method of combining analog simulation with related verification tests is adopted, a rotor engine supercharging matching design technology is overcome, trial production of a supercharged rotor engine prototype is completed, the basic performance of the engine can be predicted more accurately, and a guidance basis is provided for follow-up development of the supercharged engine.

A housing assembly (200) for a rotary engine, has: a rotor housing (218) having a peripheral inner face (218A) facing a rotor cavity (20), a first face (218B) and a second face (218C); a first side housing (211) secured to the first side (218B) and defining a first inner side face (211A); and a second side housing secured to the second side and defining a second inner side face, the rotor cavity (20) bounded axially between the first side housing (211) and the second side housing, one or more of the rotor housing (218), the first side housing (211), and the second side housing having: a main body (218D) made of a base material; and an external layer (218E) made of an alloy including the base material, a wear-resistance of the alloy greater than that of the base material, the external layer (218E) defining one or more of the first face (218B), the second face (218C), the first inner side face (211A), and the second inner side face.

A rotary internal combustion engine has a housing assembly comprising a rotor housing and a side housing. The rotor housing and / or the side housing has a main body made of a base material, a bounding layer including the base material at an interface with the main body, and an external layer made of an external material, the external layer secured to the main body via the bounding layer. The base material and the external material are dissimilar to one another. A wear-resistance of the external material is greater than that of the base material. The external layer defines at least a part of one or more of the face of the rotor housing, a peripheral inner face of the rotor housing, and an inner side face of the side housing.

Improvements in method of simultaneous hydrogen production and emission control is disclosed as a device that is configured for hydrogen generation methods for auto, truck, and stationary engine use. This apparatus and method may be applied to any single or multi cylinder, rotary engine applications including but not limited to two-stroke, four stroke or multi-cycle and gasoline, diesel, turbine, air compressor and alternative dual fuel or hybrid applications.

The invention discloses an intake and exhaust phase optimization method for a small rotary engine, and belongs to the technical field of power engineering application. The method comprises the following steps: determining factor variables related to intake and exhaust phases; determining a reasonable value range of each variable according to a restriction relationship among the variables; obtaining a multi-dimensional mapping relation between each discretized factor variable and the target parameter index; optimizing the multi-dimensional mapping relation by using a dimension reduction method; determining the dimension k of the low-dimensional subspace; projecting the data to a low-dimensional subspace; optimizing an intake and exhaust phase parameter combination; verifying an optimization result; and implementing the optimal parameter combination. The design and engineering application of the small rotor engine intake and exhaust structure are guided according to the determined optimal intake and exhaust phase parameter combination, and the practical engineering problem is solved.

Vehicle (10, 100) that features: an internal combustion engine (12, 102); a first rotary machine (MG2, MG) designed to output a drive torque; a battery (52, 120) designed to be charged by the kinetic energy of the internal combustion engine (12, 102) and designed to supply electrical energy to the first rotary engine (MG2, MG); and an electronic control unit (90, 122) designed to selectively perform a first operational control and a second operational control, wherein The first operating control is a control for causing the vehicle (10, 100) to drive on the basis of a driver's driving operation, and the second operating control is a control for automatically setting a target driving state on the basis of at least map information and / or road information and for automatically performing acceleration or deceleration on the basis of the target driving state. the electronic control unit (90, 122) is designed to start the internal combustion engine (12, 102) when a value representing a state of charge of the battery (52, 120) falls below an internal combustion engine start threshold value, while the operation of the internal combustion engine (12, 102) is stopped, and the electronic control unit (90, 122) is designed to ensure that the combustion engine start threshold in the second operating control is lower than the combustion engine start threshold in the first operating control, the second operating control includes an unmanned operating control and a manned operating control, the unmanned operating control being an operating control corresponding to an unmanned journey for automatically performing acceleration or deceleration without occupants in the vehicle (10, 100), and the manned operating control being an operating control corresponding to a manned journey for automatically performing acceleration or deceleration while at least one occupant is present in the vehicle, the electronic control unit (90, 122) is designed to selectively perform unmanned operation control and manned operation control, and the electronic control unit (90, 122) is designed to ensure that the combustion engine start threshold in unmanned operation control is lower than the combustion engine start threshold in manned operation control.

The invention discloses a kind of air injection device for small heavy oil rotor engine, belong to engine fuel supply field.The invention includes oil-gas separator, oil pump, pressure regulating valve, air nozzle, air pump, connecting block, oil pipe and oil tank.The connecting block is composed of oil inlet, oil return port, flow sensor, electromagnetic controller, pressure regulating valve, air inlet, pressure relief port and exhaust port.The connecting block is used for oil-gas transportation, maintains the constant pressure difference of oil-gas two-phase.Open three air ports, make oil-gas regulation become more sensitive.Through the pressure feedback of oil-gas two-way, reduce the mechanism at the two ends of oil-gas path, ensure the stable pressure difference of gas path and oil path respectively through the adjusting effect of pressure regulating valve, realize the accurate injection quantity control, improve the performance and working reliability of heavy oil rotor engine.The invention directly uses flow sensor and pressure regulating valve to control oil path flow by connecting block, saves the space of fuel metering nozzle, makes the structure of air injection device more compact.

The application discloses a rotary engine lubrication and cooling system, a rotary engine and a car, and relates to the technical field of rotary engines; the rotary engine lubrication and cooling system comprises a shell, a first rear end sliding bearing, a driving shaft and a first exhaust wheel, the first rear end sliding bearing is fixedly installed on the shell, and the driving shaft is arranged in the first rear end sliding bearing; a first through hole is formed in the first rear end sliding bearing along the radial direction of the first rear end sliding bearing, a lubricating groove in communication with the first through hole is formed in the journal of the driving shaft along the circumferential direction of the driving shaft, a cooling channel is formed in the driving shaft along the axial direction of the driving shaft, a communication hole in communication with the cooling channel and the lubricating groove is formed in the driving shaft, and a cooling flow channel is formed in the first exhaust wheel and is in communication with the cooling channel. The rotary engine lubrication and cooling system has the beneficial effects that the lubrication path and the cooling path of the engine oil are communicated, the lubrication of the bearing bush of the sliding bearing and the cooling of the exhaust wheel can be communicated with one liquid inlet pipe and one liquid outlet pipe, and the structure of the lubrication pipeline and the cooling pipeline is simplified.

It provides a simpler, lighter, and more balanced rotor-stator assembly. [Solution] A rotor-stator assembly comprising rotors 3 and 4 that rotate eccentrically within stator chambers 1 and 2, wherein the geometric shape of the rotors 3 and 4 is configured to provide a first fluid seal in the area of ​​maximum proximity between the outer circumferential surface of the rotors 3 and 4 and the inner circumferential wall of the stator chambers 1 and 2, thereby providing a second fluid seal by a component that rotates with the rotor, one end of which is permanently connected to the inner surface of the stator chambers 1 and 2 by a bearing and slides along the inner surface of the stator chambers 1 and 2, and the other end of which is radially movable within a receptacle of the rotors 3 and 4, and the first and second fluid seals define the first chamber portion and the second chamber portion of the stator chambers 1 and 2.

1. Name of the product of this design: toy. 2. Purpose of this design product: for teaching and learning about rotary engines and Leroy triangles. 3. The design key point of this appearance design product lies in the shape. 4. The picture or photo that best illustrates the design points: Use status stereogram 2. 5. Turn the handle on the back to drive the middle gear to rotate, which in turn drives the Reuleaux triangle that meshes with the gear to rotate, causing the Reuleaux triangle structure to rotate around the middle gear, changing from a basic view to a usage state view.

A rotor-stator assembly for a rotary engine, compressor or pump, comprises a rotor (3, 4) arranged to rotate eccentrically in a stator chamber (1, 2), the geometry of the rotor (3, 4) being configured to provide a first fluid seal at a region of maximum proximity between the outer peripheral surface of the rotor (3, 4) and the inner peripheral wall of the stator chamber (1, 2), whereby a second fluid seal is provided by means of a component (15) rotating with the rotor, one end of which is permanently connected to the inner surface of the stator chamber (1, 2) by means of bearings and slides along the inner surface of the stator chamber (1, 2), and the other end of which is accommodated in a radially movable manner in a receptacle of the rotor (3, 4), the first and second fluid seals delimiting a first chamber portion and a second chamber portion of the stator chamber (1, 2).

An engine housing (46) includes a rotor housing and a side housing assembly (54). The rotor housing (52) includes a rotor housing body (56). The rotor housing body (56) extends about an axis (28) to form a rotor cavity (62) of the engine housing (46). The rotor housing body (56) extends between and to a first axial end (58) and a second axial end (60). The side housing assembly (54) includes a side housing body (82), a side plate (84), and a seal assembly (86). The side housing body (82) is disposed at the first axial end (58). The side plate is disposed axially between the rotor housing body (56) and the side housing body (82). The side plate (84) includes an inner side (106), an outer side (108), and a perimeter edge (110). The seal assembly (86) includes a support ring (112) and a sealing ring (114). The support ring (112) is disposed at the perimeter edge (110) and the first axial end (58). The support ring (112) circumscribes the side plate (84). The sealing ring (114) extends between and to a first axial sealing ring end (136) and a second axial sealing ring end (138). The first axial sealing ring end (136) is disposed at the support ring (112) and the outer side (108).

Improved rotary engine having a pair of symmetrically arranged ring gears. An improved pistonless rotary engine of the type includes: (i) a rotor having a central axis of rotation and first and second axial surfaces, (ii) a housing having a plurality of working chambers, (iii) a pair of side covers axially disposed on first and second sides of the rotor and coupled to the housing, and (iv) an output shaft coupled to the rotor, the improvement including a pinion gear disposed around the output shaft to support rotation relative to the output shaft, extending through the central axis of the rotor and rigidly coupled to the rotor, and a pair of ring gears symmetrically disposed on opposite sides of the rotor.

Externally compressed air variable cylinder rotary engine, gas engine Figure 1 Electromagnetic hook (1) release lever (2) so that cylinder base plate (9) can rotate around shaft (8) between the concave and convex surfaces of rotor (15) and the top plate of high pressure chamber (6). Rotor point (10) to bottom end (9) is bounced up. Rotor point (11) to bottom end (9) enters high pressure chamber to exhaust flue gas from exhaust duct (7) to cylinder (24). Lever moves fuel injector (3) to impact (9) to dotted line (7). (2) The nozzle is pressed to increase the pressure of (6). When the rotor point (12) passes the bottom of (9), (2) the spark plug (5) is turned. When (9) slides along the rotor point (12) to the rotor point (13), (6) the gas rushes into (24). (24) is composed of the stator (14) U-shaped groove, (9), and the rotor concave and convex curved surface. The exhaust port (19), the power output shaft (16), and the stator connecting rod (23) are fixed to the bearing (22) and (16) slidingly connected.