67 results about "Booster type" patented technology

The voltage booster type switching power supply circuit is provided with a drive circuit for controlling a switching element, a start / stop circuit for turning the drive circuit on and off according to a brightness control signal for adjusting a brightness of a light source of a liquid crystal display device, an output voltage detection circuit for detecting whether the output voltage is greater than a predetermined voltage and feeding out a result as a comparison result signal, and a soft-start circuit that does not operate when the comparison result signal is active on the rising edge of the brightness control signal, and that operates so as to increase the output voltage gradually when the comparison result signal is inactive on the rising edge of the brightness control signal.

A power source device is provided which is capable of charging a secondary cell in a stable manner even in an environment in which power generated by a solar cell varies due to changes in sunlight intensity and / or ambient temperatures. By power generated by a solar cell module, an electric double-layer capacitor is charged and, by using a charging voltage of the electric double-layer capacitor, a booster-type DC-DC (Direct Current-Direct Current) converter is driven. A charge on / off controlling circuit detects the voltage of the electric double-layer capacitor and, when the voltage exceeds a high level threshold voltage, keeps a charge controlling signal (output signal from a terminal) in an active mode and performs a charge starting operation and, after that, when the voltage of the electric double-layer capacitor reaches a low level threshold value, holds the charge controlling signal in a non-active mode and performs a charge stopping operation.

The invention is to ventilate compressed air into fermentation tank through stirring axial core, and open cell on blade or ventilate air to short pipe cooperated with position and way of paddle, the air outlet is near to paddle to reach maximum diintegration degree, and mix instantly with liquid. The invention overcomes the shortcomings of relative long route of air in other ventilating way, direct rising of bubble to liquid upper side without passing through stirring area, and low avalability rate of air (oxygen), and reduces energy consumption, such as time, stirring power and ventilating amount. The counteracting force of air injector boosts the sitirring and favourable for increasing stirring efficiency and saving energy.

The invention relates to a progressive shielding booster-type grouting and reinforcing technology for a baseboard, aiming at the problems of weak and muddy roadway baseboard drilling construction and bottom heave control. The baseboard grouting depth is successively increased from a shallow part, a middle deep part and a deep part; shallow part grouting forms a shielding grout stopping layer to protect middle deep part grouting; the middle deep part grouting forms a shielding grout stopping layer to protect deep part grouting; after grouting, the integrity of a country rock within the grouting range is improved; and the problem of hole collapse for drilling in the subsequent grouting can be solved so as to realize the purposes of continuously increasing the grouting depth and the groutingpressure of a roadway baseboard. With the method, the geologic anomaly zone and the weak and muddy roadway baseboard can be effectively reinforced, the bottom heave speed is lowered, and the roadway bottom heave is controlled.

The invention discloses a booster type non-isolated three-port DC converter and a control method thereof, and belongs to the technical field of power electronic converters. The booster type non-isolated three-port DC converter is composed of two switching tubes, a two-way switch, two diodes, a high-frequency filter inductor, a coupling inductor containing two windings, four capacitors, two DC sources and a load. According to the invention, two-way power transmission between the two DC sources is controlled through adjusting the duty ratio of the two switching tubes, and the power, which is transmitted to the load by the two DC sources, is controlled through adjusting the duty ratio of the two-way switch. Power transmission and control between the two DC sources and the load are realized simultaneously only through one converter, and functions of a plurality of single-input-single-output converters are realized. In addition, the booster type non-isolated three-port DC converter can also realize soft switching of the switching tubes, the two-way switching tube and the diodes, and can effectively reduce the switching loss and improve the efficiency.

The invention relates to an undervoltage release, which comprises a capacitive charging booster type starting power circuit, a self feedback dual-limit detection circuit, a relay switching circuit and an electromagnet coil. The starting power circuit is connected with the self feedback dual-limit detection circuit, the relay switching circuit and the electromagnet coil, and the control output end of the self feedback dual-limit detection circuit is connected with the control input end of the relay switching circuit; the relay switching circuit comprises a relay; when the voltage of a power grid is kept at a release voltage or higher than the release voltage after reaching a pull-in voltage, a relay coil and the electromagnet coil form a serially connected loop; when the voltage of the power grid is lower than the release voltage, the electromagnet coil is in a state of an open circuit; and when the voltage of the power grid restores to the pull-in voltage or higher than the pull-in voltage, the relay coil and the electromagnet coil form a serially connected loop again. The undervoltage release has the advantages of low calorific power, big release instant starting torque, very simple circuit, reliable work, high efficiency and the like.

The invention discloses a booster type electronic control hydraulic bridge plug feeding tool. The tool comprises a motor barrel, a balance barrel, a hydraulic boosting system and a working cylinder, wherein the motor barrel, the balance barrel, the hydraulic boosting system and the working cylinder are sequentially connected from top to bottom. A motor is arranged in the motor barrel, an oil storage chamber and an oil pump are arranged in the balance barrel, and the oil pump and an output shaft of the motor are in drive connection. The hydraulic boosting system is used for increasing output pressure of the small-power oil pump to pressure required by setting of a bridge plug. The working cylinder acts on the bridge plug through a bridge plug connecting assembly, and setting is achieved. The working process is safe and reliable, the pressure of the working cylinder can quickly reach 50 MPa, the requirements for bridge plug installation setting force are quickly met, operation time is shot, and working efficiency is high. The tool can be pulled out of a well mouth along with an oil pipe after setting of the bridge plug, the hydraulic boosting system is controlled to reset and then can be reused, the service life is long, and maintenance work is simple. The working process of the hydraulic system is controllable, the magnitude of loads and the loading speed can be adjusted according to requirements, ground monitoring can be achieved, and the installation process of the bridge plug can be grasped in real time.

The invention relates to a sealing booster-type slurry pool device for an overhead light source 3D printer. The sealing booster-type slurry pool device comprises a main slurry pool, a light source mechanism, a transparent sealing mechanism, a lifting mechanism, a sample platform and a booster filling mechanism, wherein the main slurry pool is filled with liquid slurry for light solidification, thelight source mechanism is installed above the device, the transparent sealing mechanism is installed on the top of the main slurry pool, the lifting mechanism is installed in the main slurry pool, the sample platform is installed on the lifting mechanism, and the booster filling mechanism is connected with the main slurry pool. According to the sealing booster-type slurry pool device, the heightcontrol over slurry in the slurry pool can be guaranteed, the coating step of the surface layer of the slurry after light solidification is omitted, the printing time is shortened, the defects of level fluctuation and uniformity in coating of a traditional scraper type spreading structure are overcome, the influence of the slurry flowability on a slurry filling process is reduced, the working efficiency is improved, and the printed layer thickness accuracy is increased.

A first tank, a main body of a compressor, an electric motor, and a second tank are combined to form a single assembly. A booster type air compressor as the single assembly including the first tank may be easily carried. The first tank at an inlet side is integrally combined to prevent a pulsation in the supplied compressed air for eliminating the drain contained in the compressed air. The air compressor, thus, is structured to discharge high compressed air from a high-pressure outlet joint formed on the second tank.

The invention provides a differential pressure booster-type energy recovery device based on a reverse osmosis system. The differential pressure booster-type energy recovery device comprises a two-position four-way reversing valve, a first hydraulic cylinder and a second hydraulic cylinder, wherein the first hydraulic cylinder is provided with a piston and a piston rod of the first hydraulic cylinder; and the second hydraulic cylinder is provided with a piston and a piston rod of the second hydraulic cylinder. The device has high energy recovery efficiency; a high pressure booster pump is not required, and the pressure of low-pressure raw material water can be directly boosted to a water inlet pressure of the reverse osmosis system by utilizing the recovered energy, so that stable pressure energy conversion is realized and the equipment investment and equipment selection difficulty are reduced; and simultaneously, the water yield of the reverse osmosis system utilizing the differential pressure booster-type energy recovery device can be changed by adjusting the flow of a high pressure pump or the flow of the energy recovery device.

The invention discloses an anti-leakage two-way air braking system for a variable-frequency speed-regulating industrial and mineral electric locomotive. The system comprises an air compressor motor, an air compressor, a check valve, an oil-water separator, a safety valve, an air pressure relay, a hand braking valve, a booster-type braking cylinder, a pedal braking valve, a four-loop protecting valve, a first pressure regulating valve, a second pressure regulating valve, a first air storing cylinder, a second air storing cylinder, a shuttle valve and a relay valve. In the system, the four-loopprotecting valve is arranged for effectively protecting different air supplying branches, so the other branches are capable of normally working without being influenced by the leakage of any branch. Therefore, the system is very reliable and safe.

The invention proposes a die-casting mold for an engine box body. The die-casting mold comprises a mold core part, a slide block mechanism, a mold part and a cylinder part, wherein the mold core part and the slide block mechanism can be arranged on the mold part in a sliding manner; the cylinder part is fixed to the mold part; the cylinder part comprises a first cylinder group and a second cylinder group; the first cylinder group is connected with the mold core part through the slide block mechanism; the second cylinder group is accommodated in the mold core part; the axial direction of the first cylinder group is perpendicular to that of the second cylinder group; the first cylinder group and the second cylinder group are provided with booster-type cylinders.

A vehicle attachable child booster type car seat is provided with a lap belt for in situ restraining the car seat at a vehicle seat by using a vehicle safety seat belt having a first vehicle seat belt buckle and a first vehicle seat belt prong. In one embodiment of the present invention, a booster seat is configured to have a second vehicle seat belt buckle and a second vehicle seat belt prong to mate with the first vehicle seat belt prong and the first vehicle seat belt buckle, respectively, when positioned on the vehicle seat of a motor vehicle. Therefore, instead of the booster seat being merely an unattached cushion boosting a child occupant's position, may rather be anchored at the vehicle seat while the vehicle safety seat belt's functionality still retained along with an additional restraining capability of the lap belt that can secure a torso portion of the child occupant seated in the booster seat. Such anchoring of a body of the booster seat to a vehicle seat belt system near a seating base of the vehicle seat may avoid dislodging of a seat pan of the booster seat from the top of the vehicle seat in response to an impact force or sudden breaking of the motor vehicle.

The invention discloses a booster-type drifter provided with a replaceable drift diameter gauge device. The booster-type drifter comprises a booster pump, a drifter base, a guide rail, a base cylinder, a drifting trolley and an oil pipe clamping device, and is characterized in that the base cylinder is fixedly mounted in the drifter base; the top end of the base cylinder is connected with the bottom of the drifting trolley which is mounted on the guide rail; the booster pump is mounted on the rear side of the drifter base. The booster-type drifter is novel in design and provided with the replaceable drift diameter gauge device and the booster pump, when oil pipes with different specifications are detected, drift diameter gauges with the corresponding specifications are selected by replacing drift diameter gauge device, time for frequently replacing drift diameter gauge sleeves and the drift diameter gauges can be saved, furthermore, when the drift diameter gauge gets stuck in an oil pipe, the booster pump is enabled to be communicated with a gas inlet of an emission gun by an electromagnetic valve, the drifter boosts pressure in the oil pipe in the opposite direction to press out the blocked / stuck drift diameter gauge, online treatment of the stuck drift diameter gauge is realized, and production efficiency is improved.

The invention discloses a bypass booster type seat water desalination and power generation device utilizing tidal energy for two-way drive. The device comprises a water storage tank, a first water turbine, a second water turbine, a transmission box, a gear box, a high pressure pump, a reverse osmosis membrane assembly, a booster pump, a turbine motor, a generator and a motor. The device impacts the first water turbine and the second water turbine to rotate respectively in the process that high level seawater in the sea in a rising tide flows into the water storage tank and in the process that high level seawater in the water storage tank in an ebb tide flows to the sea, utilizes the gear box to drive the high pressure pump to work to produce high pressure seawater and utilizes the booster pump to form booster bypass stabilizing system water pressure. High pressure dense seawater discharged from the reverse osmosis membrane assembly impacts the turbine motor to rotate, and the turbine motor drives the generator to rotate to produce electric energy to achieve comprehensive utilization and conversion of tidal energy. A system does not require additional power and is low in operation cost. The tidal energy is a renewable energy source, has sustainable development performance and has good social value and application value.

The invention relates to an abradable material composition comprising a resin-based matrix, in particular a silicone matrix together with filler comprising hollow beads. In characteristic manner, the hollow beads withstand high temperatures and are made of refractory material. The hollow beads are preferably made of an alumino-silicate material. The composition is applicable to making abradable coverings for compressor casings, in particular casings for compressors of the low pressure type or of the booster type, or for a fan, the covering being in register with moving blades.

The invention discloses a booster type seeding tray in the seeding equipment field, wherein the booster type seeding tray includes a tray body; the side wall of the tray body is provided with an internally concave seed slot; the interior of the tray body is provided with a cavity, and the seed slot communicates with the cavity; the cavity is internally provided with a lining supporting wheel, thelining supporting wheel and the tray body have a same coaxial line, the lining supporting wheel is in rotating connection with the tray body, and the lower surface of the lining supporting wheel is provided with a push block; the seeding tray is internally provided with a push group, the push group comprises push rods, one end of each push rod is located in the seed slot, each push rod is sleevedly provided with a spring, the springs are located outside the seed slot, the other end of each push rod extends out of a stabilization block, two ends of each spring respectively press against the stabilization block and the outer wall of the seed slot, and the stabilization block is in sliding connection with the lining supporting wheel. Through linkage relationship among the tray body, the seedslot and the push rods, under the action of the springs, the push rods are supported between the lining supporting wheel and the seed slot, the push rods rotate around the lining supporting wheel, when the push rods rotate below the lining supporting wheel, the push rods are compressed because of being suffered from the pushing of the push block, the push rods slide into the seed slot, and seeds are discharged.

The present disclosure provides a motor-driven booster type brake system and method thereof. The brake system includes a pedal force sensor for detecting pedal force of a driver applied to a brake pedal, a master cylinder delivering hydraulic pressure to wheel brakes, a booster delivering multiplied force to the master cylinder using a motor, and an ECU controlling the motor based on a detection value of the pedal force. In the brake system, the ECU controls the motor based on hydraulic pressure delivered from the master cylinder to the wheel brakes if an ABS mode is not activated, and controls the motor by maintaining an electric current input to the motor to be within a preset range of electric current if the ABS mode is activated.

The invention relates to a pressure glue dipping system for laying a layer of the subsequent technique of a composite material pultrusion product, in particular to a glue dipping system for laying the layer of the subsequent technique of the composite material pultrusion product, aiming at solving the problems that in the existing dipping system for laying the layer of the subsequent technique of the composite material pultrusion product, raw materials can not be fully soaked, the demand of production of the high-performance composite material pultrusion product can not be met, and the operation is not convenient. A bottom frame of the pressure glue dipping system is provided with two supporting frames which are provided with glue dipping ring brackets that are internally provided with booster-type glue dipping rings; the upper ends of the brackets are provided with air-pressure-type pressure glue grooves, the lower ends of which are communicated with the glue dipping rings by glue conveying pipes, and the upper ends thereof are connected with compressed air pressure adjusting valves by pressure air pipes; and the supporting frames are provided with tooling plates. The pressure glue dipping system ensures the raw materials to be fully soaked, meets the demand of production of the high-performance composite material pultrusion product, and is convenient for operation.

The present invention provides a fuel supply pump which is suitably used in a booster-type accumulator fuel injection device and a tappet structural body which is suitable for the fuel supply pump. For this end, in a tappet structural body which includes a roller and a tappet body portion which houses a roller therein and a fuel supply pump provided with the tappet structural body, the roller is rotatably held on a roller receiver of the tappet body portion and the tappet structural body includes a plate-like or a wire-like restricting means which restricts the movement of the roller in the rotary axis direction.

The invention discloses a pneumatic pressurized inter-stage separation mechanism which comprises an inter-stage cabin shell connected with an unlocking device and a pressurized cover. the inter-stagecabin shell is connected to an upper tail end of the unlocking device, a through hole is uniformly arrange along the circumferential direction on the outer wall of the rear end of the inter-stage cabin shell, and the pressurize cover is fixed on the through hole, and the opening faces the windward surface, so as to guide air into the inter-stage cabin and increase the resistance difference. The invention has simple structure, can increase two-stage aerodynamic resistance difference, and realizes reliable separation.

The invention discloses a bypass booster type seat water desalination and power generation device utilizing tidal energy for two-way drive. The device comprises a water storage tank, a first water turbine, a second water turbine, a transmission box, a gear box, a high pressure pump, a reverse osmosis membrane assembly, a booster pump, a turbine motor, a generator and a motor. The device impacts the first water turbine and the second water turbine to rotate respectively in the process that high level seawater in the sea in a rising tide flows into the water storage tank and in the process that high level seawater in the water storage tank in an ebb tide flows to the sea, utilizes the gear box to drive the high pressure pump to work to produce high pressure seawater and utilizes the booster pump to form booster bypass stabilizing system water pressure. High pressure dense seawater discharged from the reverse osmosis membrane assembly impacts the turbine motor to rotate, and the turbine motor drives the generator to rotate to produce electric energy to achieve comprehensive utilization and conversion of tidal energy. A system does not require additional power and is low in operation cost. The tidal energy is a renewable energy source, has sustainable development performance and has good social value and application value.

The invention discloses a power-assisted electronic pressure regulating valve, comprising a valve body, a valve seat, a valve core and a valve cover; wherein the bottom part of the valve core is provided with a valve plug; the upper part of the valve core is provided with an annular cockle rubber cup; the side surface of the valve seat is provided with a draft tube which is connected with the water inlet of the valve and communicated with the inside of a seal cavity formed by the valve cover, the rubber cup and the valve core; an outflow tube is accessed to the outside of the valve body by the seal cavity; meanwhile, an electric or electromagnetic starting-closing device is arranged to control the on-off of the draft tube and the outflow tube, thereby controlling the on-off of the valve, solving the problems of automatically opening and closing the valve, and realizing automatic control with micro-power consumption; the zero-power consumption self-locking function of the valve at any opening angle reduces the water loss during an over-current, and solves the problems of automatically opening and closing the valve; moreover, the flux size can be controlled, and the valve can be prevented from being freely opened and closed. The power-assisted electronic pressure regulating valve has reasonable structure, is scientifically designed, is convenient for use, not only can be used on a water tube, but also can be suitable for other liquid or gases.

The invention provides an internal spray booster type grinding wheel rod. By the adoption of the internal spray booster type grinding wheel rod, the problems that when a deep blind hole is ground during machining, a machined portion cannot be cooled directly by cooling liquid, and accordingly grinding cracks are prone to being generated are solved. The internal spray booster type grinding wheel rod comprises a grinding wheel rod body, a water inlet connector, an outer sleeve and sealing rings. The grinding wheel rod body is sleeved with the outer sleeve, and the two ends of the grinding wheel rod body are sealed. A flow internal is reserved between the grinding wheel rod body and the outer sleeve. A spiral booster groove is formed in the surface of the grinding wheel rod body. The outer side of the rear end of the outer sleeve is connected with the water inlet connector. A water spray hole is formed in the front end of the outer sleeve. In the grinding process of a grinding machine, cooling liquid is introduced from a machine tool cooling system and enters the flow internal between the grinding wheel rod body and the outer sleeve through the water inlet connector, the outer sleeve does not rotate, the grinding wheel rod body rotates at a high speed, and the cooling liquid is boosted through the spiral booster groove in the grinding wheel rod body and then sprayed to the ground portion directly through the water spray hole, so that a good cooling effect is achieved, the probability of generation of the grinding cracks is greatly decreased, and the grinding precision is further improved.

The invention discloses a movable booster type pump outlet control two-stage variable oil pump, and relates to the technical field of oil pumps. The movable booster type pump outlet control two-stagevariable oil pump comprises a pump body, a pump cover, a pump shaft, a rotor, a sliding block and a spring; a feedback cavity is arranged in the pump body; a control valve is arranged on the pump cover; a plunger is arranged in a valve hole of the control valve; a control valve spring is abutted between the plunger and the rear end of the valve hole; a convex ring is arranged on the circumferential surface of the middle of the plunger; a plug is arranged at the front end of the plunger; an oil inlet and an oil outlet are formed in the side wall of the control valve; the oil inlet communicateswith a pump outlet and located in the front side of the convex ring; a control valve normally-open cavity communicating with the pump outlet is formed between the convex ring and the plug; the oil outlet communicates with the feedback cavity, and is located in the rear side of the convex ring; the pump cover is provided with an oil channel communicating with the pump outlet and an inlet in the front end of the control valve hole; and an electromagnetic valve is arranged in the oil channel. Two-stage variables are achieved through the internal oil duct of the oil pump and the electromagnetic valve, and a feedback oil hole does not need to be designed in an engine cylinder body, so that the structure of the engine cylinder body is greatly simplified.