101 results about "Rotary engine" patented technology

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 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.

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.

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).

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 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 rotor engine general arrangement structure and belongs to the technical field of automobile engines. And the compact cabin layout problem can be solved. An exhaust outlet is formed below the air inlet and exhaust side of the rotor shell, a water outlet connecting pipe nozzle and a cooling liquid temperature sensor are arranged at the front end, and the rear end is connected with an exhaust system; an air inlet adapter and an oil rail assembly are arranged above the air inlet adapter, a throttle body and an air inlet temperature and pressure sensor are arranged on the air inlet adapter, and an air inlet system is connected behind the throttle body. A spark plug and a knock sensor are arranged on the spark plug side. The front end of the front housing assembly is provided with a front cover and a bent through steel pipe assembly, and the front cover is provided with an eccentric shaft position sensor and the like. A water inlet connecting pipe nozzle is arranged below the left side of the rear shell assembly, a flywheel disc is arranged in the rear shell assembly, and a crankcase ventilation connecting pipe nozzle and the like are arranged above the rear shell assembly. An oil pan assembly is arranged at the lower end of the rotor shell, and components such as an oil pump adapter are distributed on the oil pan assembly, so that the compact cabin arrangement requirement is met.

The invention relates to an engine, and provides a rotary engine with a super expansion ratio. The engine consists of; the device is composed of a front cylinder shell, a middle cylinder shell, a rear cylinder shell, a vortex rotor, two main shafts, a compression air inlet partition plate, an air guide and exhaust partition plate, a gear, a fuel injector, an ignition device and a long-rod screw. The system structure is composed of a compression rotor set, a combustion expansion rotor set and a secondary expansion rotor set. The two main shafts do associated motion through the mutually meshed gear sets, and all the rotor sets also do mutually meshed motion. The vortex rotors are rotors with double vortex arcs, and the two vortex rotors can be meshed with each other like gears. Under the cooperation of the cylinder body shell, the two vortex rotors which are meshed with each other to rotate can realize the conversion between a compression space and an expansion space, and meanwhile, the space formed at the joint of the two vortex rotors and the cylinder body is fixed at a certain rotation angle, so that a constant-volume space and a constant-volume stroke are obtained. Due to the existence of the constant-volume space and the constant-volume stroke, gas completing first-time work can enter the next-stage rotor set through the constant-volume space to continue expansion work, after the constant-volume stroke is completed, the gas can be switched to the compression stroke, and then the gas is compressed and exhausted. A multi-stage acting rotor set can be designed from the technical concept principle, so that high-pressure gas energy is thoroughly released until the high-pressure gas energy is flush with the atmospheric pressure. The gas secondary work under the structure is not established on exhaust resistance, so that the engine gets rid of the constraint of the expansion ratio.

This application relates to an open fan component of an open rotor engine, an open rotor engine, and a noise reduction method. The open fan component includes a stator with stator blades; a rotor with rotor blades, the stator blades being located downstream of the rotor blades; the rotor blades are provided with a plasma actuator array, the plasma actuator array having multiple plasma actuators; the open fan component has a standby state, a first operating state, a second operating state, and a third operating state.

The present invention discloses a ceramic sealing device for a rotary engine, comprising a first ceramic sealing plate, a second ceramic sealing plate and a plurality of sealing springs; the first ceramic sealing plate and the second ceramic sealing plate are both rectangular and have the same structure, the first ceramic sealing plate comprises a ceramic plate and a movable plate, the ceramic plate is a right-angled trapezoid, the bottom of the ceramic plate is one length of the first ceramic sealing plate, and the movable plate is a right-angled triangle; in the installed state: the hypotenuse of the ceramic plate and the movable plate slides in contact, and the other length of the first ceramic sealing plate is sequentially spaced along the direction of the movable plate to form a spring abutment position; the second ceramic sealing plate rotates 180° along the direction of its length and then slides and fits against the first ceramic sealing plate, and a plurality of sealing springs abut against the spring installation position. The structure of the present invention is convenient and compact, and the design is reasonable. It can improve the sealing effect to a certain extent and increase the life of the sealed component, and has good practical significance.

An engine stand having rotating features and an adapter to adjust the position of the center of gravity of a mounted engine. The adapter comprises a backing body and an adjustment body, the adjustment body having an adjustable linear displacement with respect to the backing body and a rotation axis of the engine stand. The linear displacement of the adjustment body is adjusted via a forcing screw.

To provide a structure that enhances compactness in machinery, such as engines and pumps which combine low vibration of a Wankel-type rotary engine with high working-fluid sealing (high efficiency) of a piston engine, and engines employing a vibration-free mechanism layout referred to as an "enclosed radial rotor R-zero radial cylinder arrangement", which provides a vibration-free apparatus.SOLUTION: In machinery such as engines employing the vibration-free mechanism layout referred to as an "enclosed radial rotor R-zero radial cylinder arrangement," a cylinder 5 having a bore diameter that is four times or more an eccentric amount of a crank pin of a crankshaft is adopted, an ultra-short-stroke structure is set, a length of a radial line surface 1g of a radial rotor 1a that drives a thin piston is set to one half or less of the bore diameter of the cylinder 5, the cylinder 5 is shifted inward until the radial line surface 1g intrudes into an effective cylinder portion, and a special bearing is adopted, thereby further miniaturizing the radial rotor 1a.SELECTED DRAWING: Figure 1a

The invention discloses a reed valve suitable for an air inlet system of a rotor engine, and belongs to the technical field of engine accessories. The problems that a traditional reed valve is prone to fatigue fracture, fast in abrasion and poor in sealing performance under the high-frequency vibration working condition of a rotor engine, and then the air inlet efficiency is low, and the service life is short are solved. The movable end of the carbon fiber diaphragm movably covers a valve port of the valve seat, the silica gel coating is coated on a sealing surface, in contact with the valve seat, of the carbon fiber diaphragm, the lift limiter is arranged on the outer side of the carbon fiber diaphragm, and the fixed end of the lift limiter covers the fixed end of the carbon fiber diaphragm. The lift limiter and the carbon fiber diaphragm are fixed on the valve seat through bolts, the cantilever end of the lift limiter is an arc-shaped surface which is gradually far away from the carbon fiber diaphragm, and a gap between the other end of the lift limiter and the valve seat is the lift of the carbon fiber diaphragm. The high-frequency vibration fatigue resistance can be improved. The silica gel coating reduces high-frequency impact abrasion, improves the sealing performance, reduces the sealing leakage rate and improves the air inlet efficiency.