123 results about "Rotary engine" patented technology

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.

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.

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 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.

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.

A particle separator system for a turbine engine having an engine inlet. The particle separator system includes an inlet particle separator located within the engine inlet and configured to remove particles from the incoming airflow. The particle separator system also includes a barrier filter located within the turbine engine casing, downstream of the inlet particle separator, and configured to intercept particles not removed by the inlet particle separator.

The regenerative single-cock rotor engine consists of four groups of single-cock rotary compression expansion mechanisms with different volumes, a gear train, a fuel nozzle, an ignition device and a heat exchanger. The processes of air inlet, compression, regenerative combustion pre-expansion, expansion and exhaust can be carried out at the same time. The combustion time is long, the temperature is high but lower than the temperature at which nitrogen and oxygen are easy to generate, and emission is good. The volume utilization rate is high, the size is small, the compression ratio is low, and the material strength requirement is lowered. The manufacturing cost is low. The regenerative characteristic of power is high in heat efficiency and low in exhaust temperature, and heat dissipation can not be considered.

The invention provides a collaborative swirl injection device for a rotor engine. The collaborative swirl injection device comprises a head cover main body, an outer flow channel shell, a piezoelectric needle-shaped turbomachine and an electromagnetic valve. Double reverse rotational flows are generated through reverse spiral flow guide grooves in the inner wall and the outer wall of the piezoelectric needle-shaped turbomachinery, and fuel shear mixing is enhanced; and through a pressure adjusting air hole and a control system, premixing and layering dual-mode switching and spraying pneumatic shaping are achieved. The device has the advantages that flow resistance is low, atomization is good, the spraying form is matched with the flat and long combustion chamber of the rotor engine in a self-adaptive mode, and combustion efficiency is effectively improved.

The invention belongs to the technical field of rotor engines, and particularly relates to a detachable rotor engine sealing fin test device which comprises a mounting groove seat, a support, a pressure sensor and a displacement sensor. The mounting groove seat comprises a seat body, a mounting groove is formed in the side face of one side of the seat body, a cavity is formed in the seat body, and the mounting groove and the cavity are separated through a barrier wall; a first through hole communicated with the mounting groove and the cavity is formed in the barrier wall, an ejector rod is slidably connected into the through hole, and the ejector rod abuts against the pressure sensor; the pressure sensor is mounted in the cavity; the support is mounted on the side, away from the mounting groove, of the seat body, an adjusting bolt is arranged on the side, close to the seat body, of the support and is in threaded connection with the seat body and / or the support, a displacement sensor is arranged on the side, away from the adjusting bolt, of the support, and the working end of the displacement sensor abuts against the adjusting bolt. The problem that a test for comparing the influence of different radial sealing pieces and different elastic forces on sealing of a cycloid rotor engine is difficult to carry out is solved.

A rotary engine is provided, comprising a planar housing with a circular center cavity, a pair of rotary wall valves flanking and overlapping the circular center cavity and centered on an axis extending through the circular center cavity, a truncated ellipsoid rotor rotatably mounted within the circular center cavity, and fore and aft cover plates flanking the planar housing.

The invention discloses a high-strength and easy-to-assemble rotor engine eccentric shaft capable of positioning a bearing, and belongs to the technical field of rotor engine parts. An eccentric shaft neck is arranged on the eccentric shaft body, a plurality of lightening holes are formed in a non-key stress area of the eccentric shaft neck and used for reducing the mass of the eccentric shaft on the premise that the structural strength is not weakened, and a regular hexagonal structure is arranged at the front end of the eccentric shaft body and used for fixing the eccentric shaft body. The eccentric shaft neck is arranged on the eccentric shaft neck so as to tighten screws of the flywheel and related parts, two sides of the eccentric shaft neck are respectively provided with a circular bead, and the two circular beads are respectively attached to two end faces of the needle bearing to form an axial limiting structure which is used for limiting axial movement of the needle bearing and the retainer of the needle bearing. Through the synergistic effect of structural design and process optimization, the comprehensive effects that the eccentric shaft is high in strength, durable, light in weight, convenient to assemble and reliable in bearing positioning are achieved at the same time, the installation and maintenance difficulty of the rotor engine is lowered, and the operation stability and comprehensive performance of the whole machine are comprehensively improved.

The invention provides a rotor engine cylinder body molded line design method and an elliptical rotor engine, and the method comprises the steps: generating a cylinder body molded line according to a preset cylinder body molded line formula based on basic structure information and a compression ratio adjustment coefficient of the rotor engine; wherein the basic structure information comprises a generated radius, an eccentric distance and a rotation angle, and the cylinder body molded line formula is constructed based on the generated radius, the eccentric distance, the rotation angle and a compression ratio adjustment coefficient. According to the rotor engine cylinder body molded line design method and the oval rotor engine, the cylinder body with the newly-designed molded line is utilized, the size of the space between the cylinder body and the rotor is changed, a larger combustion chamber space is guaranteed, it can be guaranteed that fuel oil has a sufficient space to be mixed with air, and the combustion efficiency is improved. The compression ratio of the engine can be adjusted in a large range, and the combustion efficiency is improved.

The invention belongs to the technical field of sealing devices of combustion engines, and particularly relates to a rotor engine end face sealing structure and a rotor engine, the rotor engine end face sealing structure comprises an end face sealing ring and a protrusion, the shape of the end face sealing ring is matched with the outer contour line of a rotor of the rotor engine, and the protrusion is used for being arranged on the end face of the rotor and matched with the end face sealing ring. An annular groove matched with the protrusion is formed in one end of the end face sealing ring, the protrusion is in sliding connection with the annular groove, a plurality of self-adaptive springs are reversely arranged between the annular groove and the protrusion along the annular groove, and the self-adaptive springs can elastically deform and apply elastic force to the end face sealing ring to enable the end face sealing ring to be away from the rotor after elastic deformation. The problem that the end face device of the rotor engine is poor in sealing effect is solved, and the good sealing effect can be guaranteed even under the conditions of high temperature and high rotating speed.

The invention discloses a press fitting tool and method for a rotating shaft and a large gear assembly of an electronic throttle valve of an aviation rotor engine, and belongs to the technical field of aviation rotor engine part assembling. The tool comprises a base, a positioning mechanism and a press fitting mechanism, the positioning mechanism comprises a bull gear positioning block and a rotating shaft positioning block which are respectively used for positioning and mounting the bull gear assembly and the rotating shaft, and the bull gear positioning block and the rotating shaft positioning block ensure the assembly position precision requirements of the bull gear assembly and the rotating shaft through respective positioning surfaces. The power output end of the press-fitting mechanism applies pressure to the rotating shaft in the axial direction of the rotating shaft to press the bull gear mounting end of the rotating shaft into the mounting hole of the bull gear assembly. The press-fitting tool solves the problems that no press-fitting tool exists in press-fitting of a rotating shaft and a large gear assembly of an existing aviation rotor engine electronic throttle valve, the press-fitting efficiency is low, and the press-fitting quality is difficult to guarantee.