111results about How to "Reduce heat emissions" patented technology

A method is disclosed for providing a virtual image to a user in a Head-Mounted Display (HMD) device. The method includes detecting an ambient illumination, calculating a target transmissivity of window provided in the HMD device, based on the ambient illumination, adjusting a transmissivity of the window based on the calculated target transmissivity, and providing a virtual image to the user by projecting light to the window from a projector provided in the HMD device.

A high-velocity low-pressure cooling system (100), especially suited for data center applications, includes an air coolant loop (102), a non-air coolant loop (104) and a cooler unit (126) for heat transfer between the loops (102 and 104). The air loop (102) is used to chill ambient air that is blown across heat transfer surfaces of equipment mounted in data center racks (110). In this manner, effective cooling is provided using a coolant that is benign in data center environments.

A LED lamp (1) with an actively cooled heat sink having at least one LED (7) mounted in a non-conductive substrate (8) that is attached to a heat sink (2) having a plurality of cooling vanes (9) extending therefrom. Heat generated by the at least one LED travels through the heat sink and then through the cooling vanes. Cooling channels (10) located between the cooling vanes allow for air flow between the cooling vanes. A plurality of air inlets (11) located in a housing (3) allow for air flow into the cooling channels. A fan (12) located in the housing pulls air through the air inlets through the cooling channels and across the cooling vanes through an exhaust outlet (14) where the fan then blows the air through exhaust vents (15) located on a rear of the housing.

A hydraulic control system and a hydraulic control method are disclosed. The hydraulic control system comprises a first closed pump (P1) and a first engine (M1) connected with each other, a second closed pump (P2) and a second engine (M2) connected with each other, and a hydraulic motor (P3). The first closed pump (P1), the second closed pump (P2) and the hydraulic motor (P3) are connected in parallel. Compared with the prior art, the present hydraulic control system has advantages of wider engine model selection range, higher reliability and better micro-motion performance.

The invention discloses desulfurization wastewater concentrating and flue gas drying integrated treatment system and method. The desulfurization wastewater concentrating and flue gas drying integrated system comprises a desulfurization wastewater pool arranged at the bottom of a desulfurization tower, a three-stage sedimentation tank connected with the desulfurization wastewater pool and used for pretreatment of desulfurization wastewater, a filter connected with the three-stage sedimentation tank and used for solid-liquid separation, an evaporator connected with the filter and used for concentration of the desulfurization wastewater, a wastewater pool connected with the evaporator and used for storing the concentrated desulfurization wastewater, a water pump connected with the water pool and used for delivering the concentrated desulfurization wastewater, a concentrated desulfurization wastewater evaporation crystallization device connected with the water pump and a bypass flue system connected with a chimney and the concentrated desulfurization wastewater evaporation crystallization device, and the bypass flue system comprises a cyclopneumatic separator used for gas-liquid separation, a dust remover and a fan used for delivering bypass hot flue gas. The desulfurization wastewater concentrating and flue gas drying integrated treatment system is simple in structure and process, the problem about drainage of the desulfurization wastewater is solved, running cost of the system can be effectively reduced, flue gas temperature can be lowered, and heat released to the environment is decreased.

An LED variable light source of this invention includes a super luminescent LED for generating a continuous light signal having a logarithmically controllable light intensity maintainable over a broad spectral range. The LED variable light source also includes a light lens for receiving and focusing the generated continuous light signal and a controller for controlling the light signal's intensity and frequency range via a driver interface, constructed and arranged to allow a user to input LED variable light source control inputs.

The present invention relates to a method and system for controlling intelligently fuel supply by gasoline engine. The fuel system comprises an oil pump, an injection guide, a pressure reflux valve, a gasoline tank, a check valve and an oil supply and return pipeline. Wherein, a pressure sensor and an intelligence controller, a transmitting bus, a sound and light alarm circuit are increased. After calculating and judging of control software of microprocessor of intelligence controller, outputs a certain pressure to the oil pump engine, at the same time, the microprocessor detects pressure signal of pressure sensor amends voltage transmitted to the oil pump motor at any moment according to the pressure signal to remain stabilization of system pressure, and detecting, judging problems resisted in fuel supply system to give off sound and light alarm in time. The present invention saves energy, reduces consume, can detect fuel supply system intelligently and determine faults and alarm, enhances the initiative safety of vehicle on moving.

A method for producing a silicon wafer in which occurrence of slip starting from interstitial-type point defects is prevented in a part from the shoulder to the top of the straight cylinder portion of a silicon single crystal when the silicon single crystal is grown by pulling method under growth conditions entering an I-rich region. In order to prevent occurrence of slip in the range from the shoulder (10A) to the top of the straight cylinder portion (10B), the silicon single crystal (10) is pulled under conditions that the oxygen concentration Oi from the shoulder (10A) to the top of the straight cylinder portion (10B) of the silicon single crystal (10) is not lower than a predetermined concentration for preventing slip starting from interstitial-type point defects, more specifically not lower than 9.0×10¹⁷ atoms/cm³.

The invention relates to an air conditioning energy saving device based on a Stirling machine and condensate water recycling technology and an application, and belongs to the field of air conditioners, refrigerators, Stirling machines and condensate water recycling technologies. The air conditioning energy saving device comprises two major parts, namely, a condensate water recycling device and a Stirling machine energy saving device, wherein the condensate water recycling device is mainly composed of a condensate water distributing device and a condensate water collecting pipe, and the air conditioner waste cold is subjected to recycling and reusing; and the Stirling machine energy saving device is mainly composed of four parts, namely an operating mechanism, a power mechanism, a starting and reversing mechanism and a control guarantee mechanism, and the air conditioner waste cold heat is reused. The conditioning energy saving device provided by the invention fully utilize the waste cold and the waste heat generated by an air conditioner according to a thinking that the heat is utilized to carry out heat dissipation and the waste cold is utilized to reduce consumption, the energy consumption of a fixed frequency air conditioner can be reduced by about 3%, the energy consumption of a variable frequency air conditioner is reduced by about 6%, in addition, the heat discharge of the air conditioner is reduced, an urban heat island effect is relieved, the energy conservation and emission reduction of an air conditioner cooling system is realized, and the air conditioning energy saving device has better air economic and social benefits.

Disclosed is a portable start-up power supply comprising supercapacitors, lithium-ion batteries, a supercapacitor precharge module, a parallel switch module, a battery management system (BMS), a charging module, a controller, a switch and a car battery bridging and protection module, wherein the controller is connected with the charging module, the BMS, the supercapacitor precharge module, the parallel switch module, the supercapacitors, the car battery bridging and protection module, and the switch; the charging module is connected with the lithium-ion batteries through the BMS; the positive electrode of the lithium-ion battery is connected with the positive electrode of the supercapacitor through the supercapacitor precharge module; the supercapacitors is connected with the car battery bridging and protection module; and the parallel switch module is connected with the lithium-ion batteries and the supercapacitors. The lithium-ion batteries in combination with the supercapacitors realize complementary advantages, so that the present invention has an excellent start-up performance even at an extremely low temperature.

The invention discloses a heat pump negative pressure efficient drying machine and a drying method of the heat pump negative pressure efficient drying machine. The drying machine comprises a box body (1), a negative pressure vacuum pump (9), a heat pump compressor (16), an evaporator (12), a throttling valve (15) and a condensate water outlet (11), wherein a control system (19), a rotary drum (2), a condenser (6) and a centrifugal fan (7) are arranged in the box body (1). One end of the negative pressure vacuum pump (9) is connected with the box body (1) through a pipeline, and the other end of the negative pressure vacuum pump (9) is connected with the evaporator (12) through a pipeline. One end of the throttling valve (15) and one end of the heat pump compressor (16) are connected with the evaporator (12) through a pipeline, and the other end of the throttling valve (15) and the other end of the heat pump compressor (16) are connected with the condenser (6) through a pipeline. The condensate water outlet (11) is connected with the lower portion of the evaporator (12). According to the drying machine, wasted heat sources of kitchens, industrial wasted heat sources and other wasted heat sources can be fully utilized, water is rapidly evaporated through a negative pressure technology, and heat energy consumption and heat emission are reduced.

The invention relates to a dryer, which comprises a dryer housing, an air heating room, an air supply room, a drying channel, an air inlet which is communicated with the air heating room, an air outlet which is communicated with the front end of the drying channel, a material inlet which is formed in the front end of the drying channel, and a material outlet which is formed in the rear end of the drying channel, wherein a heat source heat exchanger is arranged in the air heating room; and a direct-blowing type air supply device is arranged in the air supply room. The dryer also comprises an air regulation guide plate, an exhaust waste heat recycling device, an intelligent fresh air humidity regulation device and a hot air compensation device. The dryer has the beneficial effects that the dryer can be used for drying laver and other products; constant-temperature and stable air supply can be realized; the air supply device is convenient to dismount, maintain and clean; the exhaust waste heat recycling function and partial exhaust recycling function are realized; thermal discharge is reduced and a product is energy-saving so that the production cost is reduced; and the hot air compensation device is capable of improving the drying efficiency of the dryer and shortening the drying time.

The principles and embodiments of the present invention relate to a device designed for integration with the exhaust pipe of a jet engine, wherein the device may be a separate component designed to attach to an existing jet engine exhaust pipe, or it may be an integral component of the exhaust pipe installed during the manufacture of the engine assembly. In an embodiment of the invention, the device supplies both a cooling liquid and an oxygen supply to the jet engine to increase its thrust and fuel efficiency, and reduce the temperature and the volume of sound produced by the engine.

A vehicle drive motor, capable of efficiently cooling the motor stator without being accompanied by an increase in size, includes a stator having an annular stator core, provided in an inner periphery of a tubular motor casing, and a stator coil provided in the stator core, and a rotor on an inner side of the stator core and rotatable relative to the stator. The motor casing includes an oil supply passage and an oil discharge passage in the motor casing and opening at an inner diametric surface of the motor casing, which are opposite axially to each other. Stator core grooves communicated with the oil supply passage and the oil discharge passage extend axially in an outer diametric surface of the stator core. Accordingly, lubricant oil may flow from the oil supply passage towards the oil discharge passage through the stator core groove.

The present invention relates to a seawater desalination system, comprising: an evaporation mechanism and a condensation mechanism communicated with the evaporation mechanism. The evaporation mechanism comprises two conductors spaced at intervals, spaced and side-by side thermoelectric cooling sheets and thermo power wafers being installed at the intervals of two conductors. Thermoelectric sheet has a cold face and a hot face, which combined with the top and bottom faces of the thermo power chip is fitted in with the two conductors. The temperature induced by the cold face and the hot face of the thermoelectric cooling sheets is transmitted to thermo power chip. By temperature difference of thermoelectric cooling sheets, current is generated by the thermo power chip. The thermo power chip is connected to a condenser which transmits and stores the current to provide the thermoelectric cooling sheets with current. The invention generates regeneration energy and reduces heat discharging capacity by the temperature difference of thermoelectric cooling sheets in the process of seawater desalination.

A ventilation system is provided for a passenger compartment of a motor vehicle having a fresh air supply, a heat exchanger for heating and/or cooling the supplied fresh air, a fan having settable power for generating a fresh air stream in the passenger compartment, a velocity sensor for establishing a current vehicle velocity, and/or a pressure sensor, a temperature specification device, and a control and/or regulating device for controlling and/or regulating the heat exchanger and the fan, the control and/or regulating device being implemented to reduce the power of the fan and to increase and/or reduce the quantity of heat discharged to or absorbed from the fresh air by the heat exchanger in the event of rising vehicle velocity and/or rising ram pressure.

The invention discloses a large-temperature-difference steam exhaust waste heat recovery system of a coal-fired power plant heat supply head station. The large-temperature-difference steam exhaust waste heat recovery system is characterized by comprising a boiler, a steam turbine, a condenser, a waste heat recovery heat exchanger, a steam absorption type heat pump, a steam jet type heat pump, waste heat peak adjusting equipment and an absorption type heat exchange unit. The large-temperature-difference steam exhaust waste heat recovery system solves the problem that low-pressure steam exhaustwaste heat of a steam turbine is not sufficiently recycled at present.

The invention relates to an intelligent controlled fuel oil supply system of a gasoline engine. The fuel oil system consists of an oil pump, an oil spray guide rail, a pressure reflux valve, an oil tank, a one-way valve, an oil supply pipeline and an oil return pipeline. The fuel oil system is characterized in that: a pressure sensor, an intelligent controller, a bus and an alarm circuit are increased; a certain voltage is output to a motor of the oil pump after calculation and judgment by control software of a microprocessor of the intelligent controller, and meanwhile the microprocessor detects a pressure signal on the pressure sensor and modifies the voltage value transmitted to the motor of the oil pump at any time according to the pressure signal to keep the pressure of the system stable; and the microprocessor detects and judges the problem of the fuel oil supply system and gives an audible and visual alarm signal in time. The system has the advantages of energy conservation, consumption reduction, intelligent detection of the fuel oil supply system, fault judgment and alarm function, improvement of running active safety of a vehicle and the like.

According to an embodiment of the disclosure, a docking device to mount an electronic device may include a blowing device to generate and output wind, and a stand device to support the blowing device. The blowing device may include a front cover, which includes a main body at least partially making contact with the electronic device, a guard that surrounds the main body and is spaced apart from the main body by a specific distance, and a plurality of through holes that are disposed at a rim of the main body, a rear cover coupled to the front cover to slide on the stand device based on physical force applied onto the front cover, and a fan interposed between the front cover and the rear cover.

The invention discloses a solar thermoelectric decoupling system based on combination of heat storage and a compression heat pump and an operation method thereof, and belongs to the field of mechanical engineering and energy conservation. The problems that in the prior art, power resources cannot be directly stored and need to be matched with electrical loads, and the flexibility of a cogeneration unit is limited are solved. The system is characterized by comprising a heat storage subsystem, a power island subsystem and a compression heat pump waste heat recovery subsystem; a high-temperature evaporator provides required driving steam for the power island subsystem, and a low-temperature evaporator provides required driving steam for the compression type heat pump waste heat recovery subsystem; and a low-pressure heat exchanger of the compression type heat pump waste heat recovery subsystem is connected with cold end circulating water of the power island system, a high-pressure heat exchanger is connected with a heat user heat exchange station, and decoupling of power supply and heat supply is achieved. According to the solar thermoelectric decoupling system based on combination of heat storage and the compression heat pump and the operation method thereof, on the premise of low cost input, decoupling operation of power generation and heat supply of a photo-thermal power generation cogeneration system is achieved, comprehensive gradient utilization of system energy is achieved, and the operation flexibility of the photo-thermal power generation cogeneration unit is improved.

A laser light-source apparatus includes; a seed light source; a fiber amplifier configured to amplify pulse light output from the seed light source based on gain switching; a solid state amplifier configured to further amplify the resultant pulse light; a nonlinear optical element configured to perform wavelength conversion on the pulse light output from the solid state amplifier; an optical switching element that is disposed between the fiber amplifier and the solid state amplifier and is configured to remove ASE noise; and a control unit. The control unit is configured to control the optical switching element in such a manner that propagation of light is permitted in an output period of the pulse light from the seed light source, and is stopped in a period other than the output period.

The single-phase brushless motor according to one aspect of the present invention includes a coil array having a plurality of magnetic coils 11-14; a magnet array having a plurality of permanent magnets 31-34; a magnetic sensor 40 for detecting relative position of the magnet array and the coil array; and a drive control circuit that, utilizing the output signal SSA of the magnetic sensor, generates application voltage for driving the coil array with a single-phase drive signal. The coil array includes a magnetic member 20. This magnetic member 20 is constituted such that, with the single-phase brushless motor at a stop, the centers of the permanent magnets 31-34 come to a stop at locations offsetted from the centers of the magnetic coils 11-14, due to attraction of the magnetic member 20 by the magnet array.