1020results about How to "Change speed" patented technology

The present invention achieves construction of a toroidal continuously variable transmission of which manufacture, management and assembly of parts can be performed easily, reduction of cost is easy and speed change operation is stabilized. This construction comprises support holes 28 having a circular cross section that are formed in part of the outer rings 16f, column shaped anchor pins 26 that, when fitted and fastened inside the support holes 28 with an interference fit, part of the anchor pin 26 protrudes from the inside surface of a concave section 23e of the outer ring 16f, and anchor grooves 27 that are formed in cylindrical convex surfaces 22e of support beam sections 9f of the trunnions 7f in the circumferential direction of the cylindrical convex surfaces 22e; wherein, the engagement sections where the parts of the anchor pins 26 engage with the anchor grooves 27 can support torque that is applied to the power rollers 6a as the input and output disks 2, 5 rotate.

In an automatic stop device that automatically stops the operation of an internal combustion engine after a predetermined automatic stop condition is satisfied, a load acting on the engine is removed when the automatic stop condition is satisfied. When the automatic stop condition is satisfied, the between the magnitude of the load on the internal combustion engine before and after of the automatic stop condition is satisfied is determined, and an ignition timing retard amount of an ignition plug is decided such that the retard amount is increased as the difference becomes greater. The ignition timing is retarded by the retard amount substantially at the same moment as the load removing operation before the automatic stop control is initiated.

The invention belongs to the fields of safety equipment and air conditioner refrigeration, which relate to an air conditioning system of a movable emergent rescue capsule for a coal mine. The air conditioning system comprises an outside capsule refrigerating unit consisting of a refrigeration compressor, a finned heat exchanger, a condensing fan and an expansion valve, and an inside capsule air conditioning device consisting of an upper ice storage tank, a lower ice storage tank and an explosionproof fan. The air conditioning system has main function of conditioning the humidity and the temperature inside the rescue capsule by the least electric quantity when the coal mine has accident, and simultaneously keeping the food fresh. Under normal condition, an explosionproof ice storage unit outside the air conditioning system maintains the ice quantity of the inside capsule air conditioning device by a mine power source; and in cataclysm state, when the outside power supply is interrupted, the air conditioning system can independently work and achieve the refrigeration by fewer energy sources, is not influenced by power reserve in the capsule and the outside environment temperature, provides necessary cold quantity for the rescue capsule, and simultaneously reduces the temperature in the capsule through the condensation. The air conditioning system has simple, convenient and quick temperature regulating control operation and maintenance, and is suitable for maintaining the temperature and the humidity of the rescue capsule under the condition that the supply of the outside energy source is interrupted.

A method of driving an ink-jet printhead, the ink-jet printhead having a pressure chamber to be filled with ink, a piezoelectric actuator for varying a volume of the pressure chamber, and a nozzle, through which an ink droplet is ejected, connected to the pressure chamber, the method including applying a driving pulse to the piezoelectric actuator to change the volume of the pressure chamber, thereby ejecting the ink droplet through the nozzle due to a change in pressure in the pressure chamber caused by the change in volume of the pressure chamber, and changing a volume of the ink droplet ejected through the nozzle by maintaining a rising time of the driving pulse constant and adjusting a duration time of a maximum voltage of the driving pulse.

A phase change memory and a fabrication method are provided. The fabrication method includes: providing a substrate; forming a heating layer on the substrate; forming a phase change layer on and in contact with one sidewall surface of the heating layer. The phase change memory includes: a substrate; a heating layer on the substrate; and a phase change layer on and in contact with one sidewall surface of the heating layer.

The hybrid vehicle transfers power between the two motors, releases a coupling between one of the motors and the drive shaft, adjusts the rotation speed of one of the motors which is released from the coupling to the drive shaft by the transmission so as to enable drive source element connection, and connects the clutch as well as cranks the engine by either one or the other motor when the engine is started while the clutch is released, the engine is stopped, both the motors are coupled to the drive shaft as well as at least one of the motors is caused to output power.

A paving machine that moves in a travel direction and spreads, levels and finishes concrete into a form having a generally upwardly exposed, finished concrete surface that terminates in lateral sides. The paving machine has a main frame with first and second bolsters arranged at opposite ends of the main frame. Each set of bolsters has two hydraulic jacking columns used to raise and lower the machine frame. Crawlers attached to the bottom of the jacking columns engage the ground and move the paving machine in the travel direction. A pair of support beams is attached to the inner surface of each bolster and supported in passageways of a center module of the tractor frame. To extend the maximum width of the paving machine without having to extensively disassemble it, the free ends of the support beams extend beyond outer sides of the bolsters when the distance between the inner sides of the bolsters is at its minimum. This paving machine width adjustment can be performed in the field by moving the bolsters and the support beams attached to them inwardly or outwardly with the crawlers of the paving machine. Also provided is a laterally extendable / retractable cross beam for movably supporting a dowel bar inserter kit on the paving machine.

The invention discloses a method and system for enhancing sound effect when using virtual reality glasses. The method comprises following steps: when a user wears the virtual reality glasses to watch a video, detecting the rotating angular speed of the virtual reality glasses through a gyroscope sensor and detecting the rotating direction of the virtual reality glasses through a compass sensor; obtaining the angular speed data and the rotating direction data by a mobile terminal, wherein the angular speed data is detected by the gyroscope sensor, the rotating direction data is detected by the compass sensor, judging the rotating direction change of the virtual reality glasses; controlling the level change of the sound volume according to the direction change and correspondingly decreasing or increasing the sound of the left and right channels corresponding to the audio. According to the method for enhancing the sound effect by using the gyroscope sensor and the compass sensor provided by the invention, convenience is provided to the user.

The invention discloses a high-efficiency ball mill control system. The high-efficiency ball mill control system comprises a detection module, a central processor, and an execution module; the detection module is used for detecting barrel body rotating speed via a rotating speed sensor arranged on the surface of a barrel body, is used for detecting moving situations of a grinding body via a three-dimensional acceleration sensor arranged in the grinding body and a data acquisition module composed of three-axis gyroscopes; is used for detecting filling amount via a solid flow amount detector arranged at the outlet of a feeder; and is used for detecting material level via an ultrasonic wave level sensor arranged in the barrel body; and the central processor is used for receiving detection amount uploaded by the detection module, processing the detection amount, sending execution signals, and controlling an actuator. The high-efficiency ball mill control system is used for detecting barrel body rotating speed, material level, moving situations of the grinding body, material filling amount, material discharging amount, and pressure, temperature, and humidity in the barrel body, controlling the actuator, and achieving the best grinding effect.

A power window apparatus for opening and closing a window glass actuates a window regulator based on power transmitted from the output gear of a motor to the sector gear of a window regulator. A range in which the output gear and the sector gear mesh with each other includes a normal operation range and a low speed operation range. In the normal operation range, the window glass is moved at a normal speed. In the low speed operation range, the window glass is moved at a speed lower than the normal speed from a near-fully closed position to a fully closed position of the window glass.

In a detaching apparatus, a detachment starter bends one end part of a first plate-like body into a cylindrical or prismatic surface in a direction opposite to a second plate-like body, thereby forming a single and straight boundary line between an adhering region and a detached region. A separator increases a distance between a first holder holding the first plate-like body and a second holder holding the second plate-like body to separate the first and second plate-like bodies.

An information terminal that can perform image processing in consonance with the use state and the use purpose. When a retrial module is started, removal means removes part or all of the interpolation processing performed for a Bayer-type module. Thereafter, data obtained by the removal are transmitted to color interpolation means, another color interpolation process is performed for the data, and the resultant data are transmitted to image quality correction means. The image quality correction means performs another image quality correction process for the data, and transmits the obtained data to JPEG encoding means.

The invention discloses a roller electrical speed regulating system for coal mining equipment, which comprises a first detection element, a control element and a speed regulating element. In the system, the rotation speed of the roller can adapt to randomly changing condition of a coal cutting coal bed, so as to prevent the roller from being damage by an encountered hard coal bed and prolong the service life of the roller; meanwhile, under a normal use condition, for example the coal mining equipment works on a soft coal bed, the roller can rotate at a high speed to ensure the coal mining efficiency of the coal mining equipment. The control element also can regulate a traction speed by the traction speed regulating element, so that the traction speed of a coal mining machine and a cutting speed are consistent enough to realize high-efficiency cutting. The control element also can detect the coal loading effect of the roller and receive the stress condition of a conveyor through the detection element so as to control the cutting and traction speeds of the coal mining machine and ensure the high yield and efficiency of the fully mechanized coal mining equipment. The invention also discloses the coal mining equipment having the roller electrical speed regulating system.

A technique is described for determining an energy-saving route between two geographic positions on the basis of predefined cartographic data, the cartographic data describing a real traffic route network in the form of route segments and route nodes. A method aspect comprises the steps of subdividing the route segments provided for a route calculation into route segment portions that each have a predefined speed profile, providing an energy consumption value to be expected for each of the route segment portions, on the basis of the respectively assigned speed profile, and calculating weights for the respective route segments on the basis of the energy consumption values provided for the route segment portions, wherein the weights can be used to determine the energy-saving route in the context of the route calculation.

Disclosed is a work machine having a traveling apparatus and a work implement driven by an engine. A hydraulic system mounted on the work machine includes an HST pump comprising a swash plate, variable displacement pump driven by the engine, an HST motor connected in a closed circuit to the HST pump and a pair of speed-changing oil passageways, the HST motor being driven by an amount of oil supplied by the HST pump, thereby to drive the traveling apparatus, a main pump driven by the engine, the main pump supplying pressure oil to the work implement, a pilot pump driven by the engine, a swash plate positioning circuit configured to effect positioning of a swash plate of the HST pump with pilot oil supplied from the pilot pump, and a bleed circuit configured to drain, via a throttle, a portion of the pilot oil supplied to the swash plate positioning circuit.

The present invention provides a method for searching a change log item, which includes: in a change log of a data synchronizing device, ordering change log items according to numerical values of entity identifiers contained in the items; in the data synchronizing device, when data updating occurs in an entity in a database of the data synchronizing device, using a search algorithm of elements in an ordered sequence to search out whether a change log item containing an entity identifier of the entity exists in the change log. The present invention also provides a data synchronizing device.

The invention provides a test stand for a torque converter transmission case which is applied to the performance test and delivery test of a torque converter transmission case and has the advantages of simple structure, reliability in operation and high cost performance and realizes replacement convenience of the tested transmission case. An input rotation speed torque sensor (3) is mounted between a power source diesel engine (1) and the tested torque converter transmission case (5); an output rotation speed torque sensor (7) is mounted between the tested torque converter transmission case (5) and a two-level reduction gearbox (9); and a dynamometer AC (alternating current) generator (11) is used as a load, and a dynamometer adopts an external forced ventilator for cooling and a synchronous traction generator capable of realizing positive / negative rotation so as to meet the requirement of performing a reverse test by using the transmission case.

The invention discloses a simulation system of vehicle and road collaborative information interaction and a simulation method of the vehicle and road collaborative information interaction. The system comprises a control desk module and a vehicle and road collaborative information interaction network simulation module, wherein the control desk module comprises an external data acceptance sub-module, an operational tracking network (OPNET) data exchange sub-module and a data information display sub-module. The vehicle and road collaborative information interaction network simulation module achieves information transmission and sharing of vehicle network and road side equipment. The vehicle and road collaborative information interaction network simulation module comprises a data conversion module, a network and protocol configuration module and a simulation result analysis module. The invention further discloses the simulation method of the vehicle and road collaborative information interaction. The simulation system of the vehicle and road collaborative information interaction and the simulation method of the vehicle and road collaborative information interaction are used for optimizing road traffic.

The invention discloses a low-spatial-domain collision avoidance system and method for an unmanned aerial vehicle. The method comprises: a flight data recording module collects unmanned aerial vehicle flight information and a wireless data transmission module transmits related data of flight information of the unmanned aerial vehicle to a ground unmanned aerial vehicle monitoring system, thereby calculating a flight path of the unmanned aerial vehicle; and the ground unmanned aerial vehicle monitoring system carries out unmanned aerial vehicle flight information data processing by using a collision avoidance algorithm and informs an unmanned aerial vehicle operator of state information of the unmanned aerial vehicle in real time. According to the invention, three-dimensional spatial Cartesian coordinates of all unmanned aerial vehicles are measured by a GPS; fitting of flight paths of the unmanned aerial vehicles within a current period is carried out based on a cubic spline curve fitting method; whether a closest distance of flight path curves between the unmanned aerial vehicles is smaller than a security distance is calculated to determine whether a collision will occur; and flight operators of the unmanned aerial vehicles are informed of a collision result timely to change flight directions and speeds of the unmanned aerial vehicles timely.

The invention discloses a high-pressure water jet cleaning spray gun. The high-pressure water jet cleaning spray gun comprises a spray rod. A spray gun pipeline is formed in the spray rod. The first end of the spray rod is connected with a spray nozzle. The spray nozzle communicates with the spray gun pipeline. A water gun connector is arranged on the spray rod. The water gun connector communicates with the spray gun pipeline. The second end of the spray rod is provided with a propelling device. The propelling device can generate propelling force towards one side of the spray nozzle. The high-pressure water jet cleaning spray gun has the advantages that under the condition that underwater cleaning personnel conduct cleaning operation at water jet pressure changing randomly, the rotation speed of the propelling device of the high-pressure water jet cleaning spray gun can be automatically adjusted so that the recoil force generated by the water jet can be rapidly eliminated; and in this way, the safety of the operation personnel can be guaranteed, and the underwater cleaning efficiency can also be improved.

An embodiment of the invention relates to the field of temperature control technology, and discloses a heat radiation control method, equipment, electronic equipment and a computer-readable storage medium. The heat radiation control method is applied to the electronic equipment. The electronic equipment at least comprises the components of a fan, at least one high-power-consumption device and at least one low-temperature-resistant device, wherein the high-power-consumption device is arranged between the fan and the low-temperature-resistant device. The heat radiation control method comprises the steps of detecting an ambient temperature of the electronic equipment; according to the ambient temperature of the electronic equipment, determining a target temperature of the high-power-consumption device; acquiring a difference between the real-time temperature of the high-power-consumption device and the target temperature; and determining the rotating speed of the fan according to the ambient temperature of the electronic equipment and the difference. The fan has different rotating speeds at different ambient temperatures, thereby realizing normal operation at different ambient temperatures. The rotating speed of the fan is adjusted according to an actual condition so that the fan is not always kept in a high-rotating-speed state, thereby performing functions of reducing power consumption and saving energy.

The invention discloses a magneto-electric speed regulator. The magneto-electric speed regulator comprises a permanent-magnet rotor and an electric-magnetic rotor and also comprises a current controller, wherein a uniform and fixed circumferential air gap is formed between the permanent-magnet rotor and the electric-magnetic rotor. By the magneto-electric speed regulator, speed regulation can be achieved on the condition of fixing the air gap, excessively large eddy current can be fed back to power utilization equipment or a power grid, and the problems of temperature rise and efficiency are solved.

The invention discloses an oxygen-enriched and flameless gas burner which comprises a burner casing, an air distribution plate, a prechamber, an oxygen nozzle and a fuel nozzle. A channel penetrating a wall body of a furnace wall of a heating furnace is arranged on the furnace wall. The burner casing is installed on one side of the channel, and the prechamber is formed in the space in the channel. A combustion-supporting air channel is arranged on the burner casing, and the fuel nozzle penetrates through the burner casing in an inserting mode. A fuel channel is arranged on the fuel nozzle. An air inlet and a fuel inlet are arranged on the air distribution plate. The oxygen nozzle is provided with an oxygen pipe and installed on the furnace wall of the heating furnace, the oxygen channel is communicated with a hearth of the heating furnace, the oxygen nozzle is slantingly arranged on the furnace wall of the heating furnace, and a spray head end of the oxygen nozzle is close to the prechamber. The oxygen-enriched and flameless gas burner organically combines the dilution combustion technology and the oxygen-enriched combustion technolog, achieves flameless combustion in the furnace, meanwhile optimizing temperature distribution in the furnace, and reduces NOx emission.

An article of print media that includes an electronic module that has at least one chip for storing data and for controlling the electronic module and first means for closing the electronic module such that at least a first video is shown.