983 results about "Distributor" patented technology

The invention discloses a distributed driving electric vehicle path tracking and stability control method and system, and belongs to the technical field of electric vehicle active safety control. The method comprises the following steps: constructing a state-space equation based on a driver path tracking model and a vehicle three-degree-of-freedom motion model; establishing a dynamic envelope region based on a phase plane method, inputting the current parameters of the vehicle into the dynamic stable envelope region, and outputting a weight; constructing a controller based on the state-space equation, and taking the weight output by the dynamic stable envelope region as the control weight of the controller; inputting the vehicle state variables and the vehicle parameters into a controller, and outputting a longitudinal driving torque, an additional yaw torque, an additional front wheel turning angle and a driver intention turning angle required by driving; the additional front wheel turning angle and the driver intention turning angle are superposed to serve as input of a steering motor; a torque distributor is designed to distribute a longitudinal driving torque and an additional yaw torque, and the distributed torques are used as given values of the four hub motors.

The invention relates to the technical field of hydraulic distributors, and discloses a hydraulic distributor with a balance guide rod anti-shaking function and a method thereof.The hydraulic distributor comprises a machine shell, a valve element is slidably connected into the machine shell, and a vibration buffering assembly is arranged at the other end of the machine shell; the vibration buffering assembly comprises a shell, a damping pipe is fixedly installed in the shell, and a guide rod is fixedly connected to the end, away from the driver, of the valve element. A first adjusting part is arranged on the piston, the first adjusting part comprises a rotating ring, the rotating ring is rotationally connected into the piston, and a plurality of valve blocks are fixedly connected to the outer wall of the rotating ring. Through the arrangement of the vibration buffering assembly, when the valve element is impacted to shake, damping oil flows to form basic damping force for preliminary buffering, then compressed nitrogen is used for absorbing energy to achieve secondary buffering, a first spring and nitrogen can assist in resetting of components, double progressive vibration buffering is achieved, and the shaking condition of the valve element is relieved.

The utility model relates to the technical field of high-pressure aerosol generator devices, and discloses a high-pressure aerosol generator device which comprises a fixed cover, and a regulation and control mechanism is arranged at the upper end of the fixed cover. The regulation and control mechanism comprises an air distributor, a plurality of pressure regulating valves, a plurality of first clamping sleeve connectors, a plurality of air pipes, a second clamping sleeve connector, a plurality of nozzle bodies, a plurality of nozzle round collars and a plurality of connecting openings, an air inlet nozzle is fixedly arranged at the upper end of the air distributor, and a blocking piece is fixedly arranged at the position, close to the interior, of the lower end of the fixing cover. And a sealing ring is fixedly arranged outside the lower end of the fixed cover. According to the utility model, by injecting compressed air and changing the number and pressure setting of the pressure regulating valves, the concentration of aerosol can be easily adjusted, and the flexibility and adaptability of the device are improved, so that the device can generate aerosol with specific particle size distribution under a high-pressure condition, thereby meeting the requirements of high-pressure testing; and the accuracy and reliability of experimental results are ensured.

The invention discloses an air-dividing dust controller, and relates to the technical field of underground dust removal. An air outlet is formed in the other end of the inner cylinder; air distribution holes are formed in the inner cylinder along the peripheral side; the outer cylinder sleeves the outer side of the inner cylinder and can move along the axis direction of the inner cylinder; air adjusting holes are formed in the peripheral side of the outer cylinder; the driving assembly is connected with the outer barrel and used for driving the outer barrel to move in the axis direction of the inner barrel so as to adjust the overlapping area of the air distribution holes and the air adjusting holes; when the overlapping area of the air distribution holes and the air adjusting holes is larger than zero, airflow exhausted through the air distribution holes and the air adjusting holes forms a dust blocking barrier on the outer side of the outer barrel. By arranging the movable outer cylinder and the air distributing holes and the air adjusting holes which are matched with the outer cylinder, the flow of discharged air is flexibly adjusted. According to the design, the air distribution effect can be adjusted according to actual needs, and the air distribution channels can be closed under specific conditions so as to adapt to different working environments and requirements.

The invention provides a wide-adjustment high-reliability electric propulsion system and a control method. The wide-adjustment high-reliability electric propulsion system comprises a pressure adjustment module, a flow adjustment module and a Hall thruster. The flow adjusting module is composed of an electromagnetic valve and a flow distributor. According to the Hall thruster flow distributor, through different previous series-parallel connection relations, on the premise that flow distributors are not added, the Hall thrusters can work in pairs, meanwhile, the backup number of the cathode flow distributor and the anode flow distributor is increased, and the system reliability is improved. By arranging the flow resistance step of the flow distributor, the large-range flow adjusting capacity of the cathode and anode inlets of the Hall thruster can be obtained, and therefore the large-range variable thrust working mode, the cathode large-flow ignition mode and the anode low-flow starting mode of the Hall thruster are achieved.

The utility model discloses an exhaust distribution piece, a compressor, a heat management device, a heat management system and a vehicle, the exhaust distribution piece is provided with an exhaust flow channel, a first mounting cavity, a first bypass flow channel, a second mounting cavity, a second bypass flow channel, an exhaust port and an air suction port, the exhaust flow channel is communicated with the first mounting cavity, and the first bypass flow channel is communicated with the second mounting cavity; the first bypass flow channel is communicated with the first mounting cavity and the second mounting cavity, the second bypass flow channel is communicated with the second mounting cavity, the exhaust port is communicated with the first mounting cavity, and the air suction port is communicated with the second bypass flow channel. According to the exhaust distribution part of the compressor, the size of the pipeline is reduced, so that the quantity of refrigerants is reduced, the safety risk caused by leakage of the refrigerants is reduced, and the stability and the safety of a heat management device are improved.

The invention relates to an unmanned aerial vehicle attitude control method based on motor state disturbance compensation, belongs to the technical field of unmanned aerial vehicle control, and solves the problems of hysteresis and limited control effect of an existing unmanned aerial vehicle attitude control method. The position controller calculates to obtain expected tension, a roll angle and a pitch angle; the attitude feedback controller calculates a feedback torque according to the expected attitude, the actual Euler angle and the body angular velocity; the load identification module calculates an estimated disturbance torque based on the target rotating speed, the actual rotating speed and the current of each motor; the feedforward neural network module adopts a trained RBF neural network to calculate torque residual error estimation, and torque synthesis is carried out to obtain a torque feedforward compensation amount; adding the feedback torque and the feed-forward compensation amount to obtain a total control torque; and the mixing controller calculates the target rotating speed of each motor according to the expected tension and the total control torque, and finally the control distributor drives the motors to execute. The attitude stability and the control response speed of the unmanned aerial vehicle in the wind disturbance environment are remarkably improved.

An oil distributor is provided for a bearing chamber. The oil distributor includes an outer annular manifold, which is integrally formed with an interior surface of the bearing chamber and which defines a first interior cavity receptive of pressurized oil which defines a first interior cavity receptive of pressurized oil, an inner annular manifold, which defines a second interior cavity and comprises an interior facing surface defining holes respectively communicative with the second interior cavity and one or more support struts by which the inner annular manifold is supported within the outer annular manifold. Each of the one or more support struts defines interior lines by which the pressurized oil flows from the first interior cavity to the second interior cavity and to the holes.

The utility model discloses an adjustable curved-surface multi-roller distributing device, which belongs to the technical field of multi-roller distributing devices and comprises a base, a movable base is arranged on the side wall of the base, sliding grooves are formed in the upper surfaces of the base and the movable base, and limiting grooves are formed in the inner walls of the top surfaces of the base and the movable base; according to the device, the supporting plate is arranged, the driving motor drives the supporting plate and the supporting blocks on the two sides to move on the sliding grooves in the base, the supporting blocks drive the screw rods to synchronously move, the screw rods on the supporting blocks are rotated, and the screw rods synchronously rotate on the limiting blocks through threads; furthermore, the driving motor is fixed on the base through the supporting plate under the cooperation of the supporting block and the limiting block, when the roller gap can be finely adjusted according to specific conditions, the maintenance and debugging of the equipment are easier, and the roller gap can be randomly adjusted, so that the machine can adapt to various production tasks; and the application range and the production flexibility of the equipment are increased.

An apparatus of a vehicle may comprise a first DC-DC converter configured to convert an input voltage into a first voltage, a first power distributor configured to supply the first voltage to at least one first electrical load, a second DC-DC converter configured to convert the input voltage into a second voltage, a second power distributor configured to supply the second voltage to at least one second electrical load, and a bidirectional converter configured to convert power between power associated with the first low-voltage and power associated with the second low-voltage based on a power conversion request signal generated by one power distributor and provide the converted power to the other power distributor. Each power distributor is configured to determine a spare current amount and transmit the power conversion request signal based on a failure in the other DC-DC converter.

The embodiment of the invention discloses a particulate matter conveying cabin, a transferring assembly and a distributor, the particulate matter conveying cabin comprises a first shell, a scraping wheel and a driving mechanism, and the first shell is provided with a driving cavity; the scraping wheel is annular and rotatably arranged on the periphery of the driving cavity, a plurality of mutually independent isolation grooves are formed in the scraping wheel, and the multiple isolation grooves are arranged around the driving cavity; the driving mechanism is arranged in the driving cavity and comprises a motor and a transmission unit connected with an output shaft of the motor; the scraping wheel is connected with the transmission unit so as to rotate relative to the first shell under driving of the motor. According to the particulate matter conveying cabin, the scraping wheel can rotatably surround the periphery of the driving mechanism, the motor can be contained in the middle of the scraping wheel, the height of the whole particulate matter conveying cabin can be effectively reduced, and miniaturization of the whole machine can be achieved.

The present invention relates to a device for direct injection of a gaseous fuel, in particular hydrogen, which device comprises: a pressure-control unit which is designed to convert a supplied variable pressure level of the gaseous fuel into a fixed constant output pressure level; a distributor unit which is connected to at least one injector for direct injection of the gaseous fuel, which has been guided through the pressure-control unit, into a combustion chamber; and a fluid connection between the pressure-control unit and the distributor unit in order to guide the gaseous fuel at a constant output pressure downstream towards the distributor unit. The device is characterized in that a flow-control valve is disposed along the fluid connection and designed to adjust the constant output pressure level of the gaseous fuel to a desired target pressure not exceeding the output pressure level.

The invention discloses a nuclear power plant sling distributor with a shaft extractor and a transition pulling plate. The nuclear power plant sling distributor comprises a distributor body, a pin shaft and the shaft extractor. An upper lug plate and a lower lug plate are arranged on the distributor main body; the pin shaft is used for connecting the distributor and the pull plate; the shaft extractor comprises a shell, a cover body and a transmission mechanism, the shell is installed on the upper lug plate and located on the outer side of the upper lug plate, the cover body is installed at one end of the shell, the pin shaft is installed in the shell and can move in the shell, and the transmission mechanism can drive the pin shaft to move in the shell. Therefore, the purpose of connecting the distributor with the pull plate or disconnecting the distributor from the pull plate is achieved. The shaft puller is integrated on the distributor, the pin shaft is controlled to be inserted and pulled out by rotating the hand wheel, auxiliary tools are not needed, the operation risk and the operation complexity are reduced, the pin shaft and a pin hole cannot be damaged in the connecting and dismounting process, and the service life of equipment is guaranteed.

The invention relates to a module (30) for an aircraft turbine engine (10), the module (30) comprising: - a first annular bearing support (32) which extends about an axis (A) and which comprises a first annular attachment flange (32a), - a second annular bearing support (34) which extends about the axis (A) and which comprises a second annular attachment flange (34b), the first and second flanges (32a, 34a) being able to be applied axially against one another and to be attached to one another by fusible screws (42), and - a circuit (40) for supplying oil to the chamber (38), this circuit (40) comprising an oil distributor (48) further comprising a member (60) capable of moving as soon as a breakage of the fusible screws (42) occurs.

The application provides a variable impulse method for manta ray-like vehicle attitude control through bypass internal flow distribution, a propeller serving as a propelling system and a flow distributor with adjustable position arranged at an outlet end of a power duct module are fused and designed, axial water flow generated by the single propeller is directly used as propelling power and attitude control direct power, the flow of each jetting outlet can be adjusted without changing the propeller rotating speed through position adjustment of the flow distributor arranged at the outlet end of the power duct module, the impulse of water flow of upper and lower jetting outlets is quickly changed, upper and lower thrust difference is formed on the bionic body, the pitching moment is changed without changing the propelling process, the attitude adjustment of the bionic vehicle is accurately realized, and the system efficiency, dynamic response and task adaptability are coordinately improved on the basis of keeping the original propelling efficiency advantage.

The utility model discloses a gas distributor for a rectifying tower, which belongs to the field of gas distributors for rectifying towers, and comprises a distributor shell, a gas inlet component fixedly connected to the bottom end of the distributor shell, and a gas distribution block fixedly connected to the top end of the distributor shell, a cleaning assembly is mounted in the distributor shell, the cleaning assembly is matched with the gas inlet assembly and the gas distribution block, and a plurality of vent holes are formed in the top end of the gas distribution block in a penetrating manner; the cleaning assembly comprises a driving shell, the top end of the driving shell is movably connected with a bottom plate, and the key points of the technical scheme are as follows: a motor, a worm, a rotating shaft, a gear, a worm gear, a rack and the bottom plate in the cleaning assembly are matched to drive a poking needle to repeatedly insert and poke a vent hole in an air distribution block so as to clean impurities blocked in the vent hole; the air holes are prevented from being blocked to influence the dispersion of the gas, and the plurality of poking needles can be used for secondarily dispersing the gas, so that the dispersion effect is enhanced.

A distributor assembly (1000) and a heating, ventilation and air conditioning system having same. The distributor assembly (1000) comprises: a distributor (100); and a plurality of branch pipes (200), wherein the plurality of branch pipes (200) are all connected to the distributor (100).

The utility model belongs to the technical field of oil cylinder distributor, concretely is a kind of distributor for servo oil cylinder, including distributor valve block, four channels P, T, X, L are equipped in the distributor valve block, four channels P, T, X, L correspond four oil supply and discharge flow channels required when servo oil cylinder works, the device adopts centralized power oil source to supply oil to multiple servo oil cylinders, simultaneously realizes the real-time independent control of each servo oil cylinder by the pressure adjusting device of each channel, avoids the cost waste caused by the repeated configuration of multiple independent oil source equipment.

The utility model discloses a stator-rotor reaction kettle, which comprises a kettle body and a kettle cover arranged on the kettle body, a gas distributor is arranged on the kettle cover, a driving mechanism is arranged at the bottom of the kettle body, a rotor tray is arranged in the kettle body, the rotor tray is connected with the driving mechanism, a filter frame is arranged in the kettle body, and the rotor tray is connected with the driving mechanism. The lower end of the filter frame is fixed on the rotor tray; the gas distributor and the filter frame are coaxially arranged, and the lower end of the gas distributor extends into the filter frame; an exhaust valve and a liquid inlet valve are also mounted on the kettle cover; and the lower end of the liquid inlet valve is over against the upper opening of the filter frame. According to the utility model, gas-liquid contact and material mixing can be effectively enhanced, and the reaction efficiency and the product quality are improved.

The invention is a washable well gravity setting side flow packer used in simple separate layer water injection string, belonging to oil production engineering application technology. The invention has two structures. The first structure shown in figure 1 is composed of upper body 1, center tube 2, big spring 4, liner 9, wash well piston 6, rubber cylinder group 10, lower body 16 and setting shear pin 15. The second structure shown in figure 2 is different from the first structure in that there is no upper side flow channel, but the lower side flow channel is provided with a check valve. The gravity setting side flow packer is used for separate layer water injection, and the water distribution plugger can be set on the center tube of the packer, without using independent water distributor, thus being beneficial to fine layer water injection and convenient for plugger fishing. The packer setting does not need pump truck pressure, but relies on pipe string heavy pressure for setting, and there is no problem of pipe string overload during pipe string lifting, thus simplifying the separate injection process.

The invention discloses a fire distributor and a combustor. The fire distributor comprises a fire distributor body, a stir-frying fire ejector and an outer ring fire ejector are arranged on the lower side of the fire distributor body, and a stir-frying fire outlet channel and an outer ring fire outlet channel located on the outer side of the stir-frying fire outlet channel are arranged on the upper side of the fire distributor body. The air outlet end of the stir-frying fire ejector is communicated with the stir-frying fire air outlet channel, the air outlet end of the outer ring fire ejector is communicated with the outer ring fire air outlet channel, the central axis of the stir-frying fire ejector deviates from the central axis of the stir-frying fire air outlet channel by a distance L1, and L1 is larger than 0 mm. According to the distributor and the combustor, the mixing uniformity between air and fuel gas is high, and therefore the primary air coefficient is increased, the combustion efficiency is improved, and the CO content in smoke generated by combustion is reduced.

The utility model discloses a hot air uniform distributor for an inulin drying tower. The hot air uniform distributor comprises a fixed frame, the inner wall of the fixed frame is rotatably matched with a distribution frame, the inner wall of the distribution frame is rotatably matched with a plurality of rotating rods, the plurality of rotating rods are fixedly connected with air deflectors, and one side of the distribution frame is slidably matched with a shifting plate. According to the utility model, the air deflector, the knocking rod, the knocking gear, the inclined block, the hit block, the spring, the inner gear and other components are arranged, so that when guiding is carried out and the distribution frame rotates, the knocking gear is meshed with the inner gear, and the hit block is extruded by the inclined block, so that the poking sheet rotates the air deflector around the rotating rod; according to the inulin drying tower, the air guide plate can rotate and swing, hot air can be diffused in the drying tower in all directions from multiple different angles, the situation that the hot air is concentrated in a certain area or direction is effectively avoided, and therefore the inulin drying uniformity and the product quality consistency are improved.

The present application relates to the technical field of vehicle damping control, and discloses an anti-car-sickness intelligent damping control system. A multi-dimensional sensing array of the system collects vehicle driving state, passenger physiological indexes and environmental disturbance data in real time, and generates multi-dimensional driving data set in time and space alignment through time stamp alignment and space coordinate synchronization. A data separation engine carries out feature decoupling reconstruction on the data set, separates the main feature matrix and the abnormal disturbance identification set, and a feature screening unit screens the core feature sequence in combination with the vehicle dynamics parameter library. A damping strategy generator generates a multi-level collaborative damping control strategy accordingly. An abnormal feedback regulator analyzes the abnormal disturbance identification set and triggers strategy dynamic tuning. A control instruction distributor converts the tuned strategy into a driving signal and issues it to the suspension actuator cluster. The system can comprehensively perceive multi-dimensional information, dynamically adjust the damping strategy, effectively relieve car sickness and improve passenger comfort.

The utility model discloses the technical field of fork truck telescopic arm, discloses a lubricating system of solving telescopic arm operation jitter problem. The lubricating system includes: automatic lubricating pump is used for pumping out the lubricating grease to the oil line pipe according to setting time automatically, main distributor is connected with automatic lubricating pump through oil line pipe, to receive the lubricating grease of automatic lubricating pump pumping out, and the lubricating grease is respectively delivered to the front end and rear end of telescopic arm through oil line pipe, and the size of oil outlet of distributor delivery to the front end and rear end of telescopic arm is different, a plurality of friction blocks are respectively arranged in the front end and rear end of telescopic arm, and are connected with the oil outlet of main distributor through oil line pipe, to be used for the lubricating grease in oil line pipe to be sprinkled on the surface of telescopic arm, to form oil film on the surface of telescopic arm and continuously lubricate. The lubricating system solves the problem that the frequency of artificially adding lubricating grease is uncontrollable and the problem that the lubricating grease of different lubricating points cannot be accurately controlled, and avoids the pollution of redundant lubricating grease to the vehicle body.

The invention consists of controlling the direction and opening of a hydraulic distributor with a stepper motor acting on it via a reversible transmission. This economical and reliable solution allows for precise positioning of the distributor spool during normal operation, and a return to the neutral position under the action of the return spring(s) in the event of a power failure. Figure 8 (for the abstract)

The utility model relates to a controllable-pitch propeller outer blade pitch transmission equal-proportion conversion device which comprises blades, a propeller hub, an oil pipe and an oil distributor, the propeller hub is connected with the blades and used for driving the blades to rotate, and the propeller hub is connected with the oil distributor through the oil pipe and used for achieving the purpose that the rotation angle of the blades in the propeller hub is equal to the rotation angle of a signal output shaft of the oil distributor. Therefore, the pitch angle of the blade is controlled in real time. The controllable-pitch propeller outer blade pitch equal-ratio device can accurately track angle positions of underwater blades under different working conditions (different pitch positions), and stable control over controllable-pitch propeller devices on the left side and the right side of a ship is achieved. By designing the controllable-pitch propeller outer blade pitch equal-ratio device, the health state of the controllable-pitch propeller device can be monitored in real time, and fault positions of a mechanical system, an electric control system and a hydraulic system are transmitted and locked through accurate pitch indication, so that the maintenance time is shortened.

A booster-type volumetric distributor includes a distributor body with a main oil circuit connected to an oil pump. Several booster metering structures, each connected to the main oil circuit, are arranged in parallel within the distributor body. Each booster metering structure includes a metering discharge channel formed in the distributor body and connected to the main oil circuit, and an oil outlet connector fixedly connected to the port of the metering discharge channel. The metering discharge channel sequentially includes an inlet orifice, a reversing channel, and a piston channel. A reversing valve assembly is located within the reversing channel. A valve stem and a piston assembly fitted over the valve stem are located within the piston channel. The valve stem has an axially penetrating interior, with a valve hole at the end of the valve stem away from the oil outlet connector and at least one discharge hole on the side of the end closest to the oil outlet connector. The two ends of the reversing valve assembly correspond to the inlet orifice and the valve hole, respectively. This invention integrates the booster metering structure into the distributor, giving the distributor a built-in booster metering function, simplifying the structure of the lubrication system, and improving assembly efficiency.

A wear resistant mounting post for a distributor cap in a rotary bell cup atomizer. The mounting post includes a flange separating a thin barbed end from a larger diameter central portion. The flange fits into a countersunk depression in the distributor cap to provide a flange surface which is flush with the distributor cap surface. Paint flowing radially outward across the distributor cap follows the flange surface to the central portion of the post. This design prevents the paint from undercutting the surface of the distributor cap, and ensures that any abrasive wear of the post is limited to the larger diameter central portion.

This utility model discloses a four-end distributor with a manual vent valve, relating to the technical field of four-end distributors. The utility model includes a detachably connected upper cover and a lower cover. The lower cover has a valve body for moisture passage, and the valve body has a venting channel communicating with the interior of the lower cover. The outer peripheral wall of the valve body has an external thread that is threaded to the lower cover. The vent of the venting channel is located on the outer peripheral wall of the valve body. By setting the valve body and threading it in, the valve body can be manually screwed out or screwed into the lower cover to control the connectivity of the venting channel and the opening and closing of the valve body, adapting to different external environments.

A flame-proof and explosion-proof surface combustion gas includes a burner body pierced with a series of orifices, each of which is extended by a rim, wherein the orifices are arranged in several rows of aligned orifices; and a gas distributor that includes a distributor body equipped with a plurality of longitudinal gas-distribution branches, each branch being pierced with a line of orifices bordered by a rim. The distributor body is positioned inside the burner body such that each orifice of the distributor body is coaxial with an orifice of the burner body, wherein when the burner body is coupled to an air supply source and the distributor body is coupled to a gas supply source, the air and the gas mix only at the rims of the burner body.