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15366 results about "Coolant" patented technology

A coolant is a substance, typically liquid or gas, that is used to reduce or regulate the temperature of a system. An ideal coolant has high thermal capacity, low viscosity, is low-cost, non-toxic, chemically inert and neither causes nor promotes corrosion of the cooling system. Some applications also require the coolant to be an electrical insulator.

Single-phase and two-phase immersion liquid cooling method and system based on AI intelligent decision

The invention relates to the technical field of data center heat dissipation, and particularly provides a single-phase and two-phase immersion liquid cooling method and system based on AI intelligent decision, and the method comprises the steps: injecting coupled data into a dynamic feature extraction engine, and outputting a thermodynamic state evolution tensor which comprises the characteristics of a temperature change rate, a load-heat flux density coupling coefficient and the like; the thermodynamic state evolution tensor is input into the deep neural network model, the temperature and pressure matched with the current thermodynamic state evolution tensor are calculated, and a closed-loop control instruction set capable of being executed by equipment is generated; a closed-loop control instruction set is injected into an execution mechanism set, execution mechanisms execute power reconstruction and flow channel switching according to instructions, gaseous fluorinated liquid is liquefied and flows back through an efficient condenser in a two-phase mode, and heat dissipation mode self-adaptive switching and heat cycle reconstruction are achieved. The system comprises a server, an AI algorithm controller, a cooling liquid storage device, a condenser, a circulating pump, an electric valve, a pressure release valve and a temperature sensor. The heat dissipation efficiency and the system reliability are remarkably improved.
Owner:TIANJIN TIER TECHNOLOGY CO LTD

Heat pump system for vehicle

An embodiment is a heat pump system for a vehicle, including a first cooling device including a first radiator, a first water pump, and a first valve connected by a first coolant line, a second cooling device including a second radiator and a second water pump connected by a second coolant line, a third cooling device including a third coolant line connected to the second cooling device through a first valve, a third water pump provided on the third coolant line, and a battery module and, a chiller provided on the third coolant line, and a gas injection device configured to selectively expand a refrigerant supplied from an internal condenser included in an air conditioner and supply the expanded refrigerant to a heat exchanger of the air conditioner, and selectively supply a portion of the refrigerant to a compressor.
Owner:HYUNDAI MOTOR CO LTD +1

Box structure, battery, and electrical device

A box structure includes a cooling member and a frame. The cooling member includes a main pipe and at least one branch pipe connected to the main pipe. The main pipe is configured to pass a coolant into the branch pipe, and the branch pipe is configured to contact the battery pack to cool the battery pack. An accommodation groove is created at a bottom of the frame, at least a part of the main pipe is located in the accommodation groove, and the main pipe is bonded and fixed to the accommodation groove.
Owner:CONTEMPORARY AMPEREX TECHNOLOGY (HONG KONG) LIMITED

Thermoelectric coupler for selective heat transfer between coolant loops in a device cooling system

A disclosed device cooling system includes a first coolant loop that circulates a first cooling media through a device; a second coolant loop that circulates a second cooling media through the device; a thermoelectric cooler (TEC) positioned between the first coolant loop and the second coolant loop; and control electronics configured to selectively drive the TEC to transfer heat between the first coolant loop and the second coolant loop.
Owner:MICROSOFT TECHNOLOGY LICENSING LLC

Thermal management system

A thermal management system, comprising: a primary coolant circulation system for cooling a first coolant by circulating the first coolant which is heat-exchanged with cooling water through a first water-cooled condenser; a secondary coolant circulation system for cooling a battery chiller by using a second coolant which is heat-exchanged with the first coolant of the primary coolant circulation system; and a second cooling line for cooling a battery by circulating cooling water which is heat-exchanged through the battery chiller, wherein the number of revolutions of the first condenser of the primary coolant circulation system is less than the number of revolutions of the second condenser of the secondary coolant circulation system, or the first coolant and the second coolant are heat-exchanged via the cooling water, such that the battery can be cooled efficiently during rapid charging.
Owner:HANON SYST CO LTD

Heat exchanger with contact sealing and related systems and methods

A heat exchanger conveys heat from a heat-generating component to a coolant. The heat exchanger includes a heat spreader plate defining an upper surface. A plurality of fins extend transversely from the upper surface to respective distal fin edges. The plurality of fins define a corresponding plurality of microchannels. A housing defines an underside surface positioned overtop the distal fin edges. The underside surface urges against the distal fin edges sufficiently to substantially inhibit a coolant from leaking from one microchannel to an adjacent microchannel. The fins can be sufficiently compressed between the heat spreader plate and the underside of the housing as to deflect the fins from an unloaded, at-rest orientation. The distal edges of the fins can be flared laterally outward. Such flared distal fin edges can be fused with the underside of the housing and the microchannels can be substantially free of any fusing material.
Owner:COOLIT SYSTEMS INC

Thermal management system adaptive to super fast charging and vehicle

A thermal management system adaptive to super fast charging and a vehicle. The thermal management system comprises a refrigerant circulation, a motor coolant circulation and a battery coolant circulation. The refrigerant circulation comprises a compressor (1), an outside heat exchanger (4), a motor heat exchanger (10), and a battery heat exchanger (12). When a power battery is fast charged, a gaseous refrigerant flows out from an outlet of the compressor (1), passes through the outside heat exchanger (4) for heat dissipation, and then passes through the motor heat exchanger (10) for heat dissipation, to dissipate heat to the motor coolant circulation; and when passing through the battery heat exchanger (12), the refrigerant absorbs the heat of the battery coolant circulation, so as to cool the power battery. Therefore, by optimizing existing thermal management system architectures, the refrigerant circulation is associated with the coolant circulation, and radiators in the circulations are fully utilized, so that the heat dissipation efficiency is effectively improved when the power battery is fast charged.
Owner:DONGFENG MOTOR GRP

Integrated electric motor drive and dry runner centrifugal pump assembly with such an integrated electric motor drive

An integrated electric motor drive. The motor drive having rotatable parts with a drive shaft and a rotor, wherein the drive shaft extends along a rotor axis and the rotor is mechanically coupled to the drive shaft; and static parts having a stator and power electronics for controlling an electric current through the stator. The integrated electric motor drive has a liquid cooling system with a closed liquid cooling circuit and a liquid coolant agitator. The closed liquid cooling circuit is filled with liquid coolant being in thermal contact with the stator and / or the power electronics. The liquid coolant agitator is arranged and configured to circulate the liquid coolant along the closed liquid cooling circuit. The liquid coolant agitator is mounted within the closed liquid cooling circuit to be rotatable about the rotor axis, and the liquid coolant agitator is magnetically coupled to the movable parts.
Owner:GRUNDFOS HLDG

Tool holder and tool

A tool holder for a tool for machining a workpiece. The tool holder has a cutting insert receptacle for receiving a cutting insert, wherein the cutting insert receptacle has an upper clamping jaw for abutting an upper surface of the cutting insert and a lower clamping jaw for abutting a lower surface of the cutting insert opposite the upper surface. Further, the tool holder has an internal coolant channel extending inside the tool holder between a coolant inlet opening and a coolant outlet opening, wherein an end portion of the coolant channel extending inside the upper clamping jaw along a channel center axis opens into the coolant outlet opening. The coolant outlet opening is arranged at the upper clamping jaw and configured as an elongated opening. A width of the coolant outlet opening is smaller than a height of the coolant outlet opening measured orthogonally to the width of the coolant outlet opening. The end portion of the coolant channel is also elongated in a cross-section orthogonal to the channel center axis. A width of the end portion measured orthogonal to the channel center axis is smaller than a height of the end portion measured orthogonal to the channel center axis and orthogonal to the width of the end portion.
Owner:HARTMETALL WERKZEUGFAB PAUL HORN

Intelligent cooling system and method of centerless grinding machine for difficult-to-machine materials

The invention relates to the technical field of industrial control, in particular to an intelligent centerless grinding machine cooling system and method for difficult-to-machine materials, and the system comprises a multi-source sensing unit, an edge calculation module, a decision center module, a precise execution module and a digital immune memory bank; compared with the defects that in the prior art, monitoring depends on a single temperature sensor, thermal field sensing is incomplete, thermal damage early warning lags behind and the like, according to the scheme, grinding power frequency spectrum, acoustic emission signals, triaxial vibration and coolant mass spectrum data are collected in real time through a multi-source sensing unit, and a micron-sized temperature field is reconstructed in combination with an edge end space-time diagram convolutional network; full-dimensional monitoring of the grinding thermal-mechanical coupling effect is achieved, and thermal anomaly recognition sensitivity and early warning timeliness are remarkably improved.
Owner:WUXI JIANHE NUMERICAL CONTROL MACHINE TOOL

Heat pump system for a vehicle

A heat pump system for a vehicle may efficiently adjust the temperature of heating elements by using one chiller where a refrigerant and a coolant exchange heat. At the same time, the heat pump system may efficiently perform cooling and heating of a rear seat by using a rear heating, ventilation, and air conditioning (HVAC) module provided with one heat-exchanger.
Owner:HYUNDAI MOTOR CO LTD +1

Heat pump system for vehicle

A heat pump system for the vehicle includes a valve, an electrical component cooling apparatus, a battery cooling apparatus, an internal heating apparatus, an internal cooling device, a centralized energy device, and a chiller for controlling a temperature of a battery module by use of a chiller in which a coolant and a refrigerant are heat-exchanged, and for recovering and using heat from various heat sources in a heating mode of a vehicle for indoor heating to improve heating efficiency.
Owner:HYUNDAI MOTOR CO LTD +1

Liquid-cooled double-shaft-extension alternating current permanent magnet synchronous servo motor and use method

The invention discloses a liquid-cooled double-shaft-extension alternating current permanent magnet synchronous servo motor and a use method, and relates to the technical field of motors. According to the liquid-cooled double-shaft-extension alternating-current permanent magnet synchronous servo motor and the use method thereof, the two liquid cooling mechanisms can be driven to work along with rotation of two rotor shafts of the double-shaft synchronous rotor mechanism through mutual cooperation of the double-shaft synchronous rotor mechanism, the liquid cooling mechanisms, the cooling pipe mechanisms and the spiral heat dissipation pipes; the liquid cooling mechanisms are enabled to pump and drain cooling liquid, so that the cooling liquid in the cooling pipe mechanism, the spiral heat dissipation pipe and the two liquid cooling mechanisms circularly flows, heat generated by working of the motor can be taken away in time in the circulating flowing process of the cooling liquid, and meanwhile, along with rotation of the double-shaft synchronous rotor mechanism, the heat generated by working of the motor can be taken away in time. According to the motor cooling device, hot air in the shell can be rapidly pumped out, the motor is cooled by combining liquid cooling and air cooling, the cooling effect on the motor is greatly enhanced, and continuous normal operation of the motor is ensured.
Owner:HANGZHOU NAZHI MOTOR CO LTD

Heat pump system for vehicle

A heat pump system for a vehicle includes a valve, an electrical component cooling apparatus, a battery cooling apparatus, an internal heating apparatus, an internal cooling device, a centralized energy device, and a chiller for controlling a temperature of a battery module by use of a chiller in which a coolant and a refrigerant are heat-exchanged, and for recovering and using heat from various heat sources in a heating mode of a vehicle for indoor heating to improve heating efficiency, wherein the battery coolant line is selectively connectable to the first connection line through a battery coolant connection line connecting the battery coolant line and the first connection line.
Owner:HYUNDAI MOTOR CO LTD +1

Integrated oil cooling hub speed reduction electric wheel

The invention relates to an integrated oil cooling hub speed reduction electric wheel which comprises a motor, a planetary gear speed reducer and a bearing system which are arranged in the axial direction, and the planetary gear speed reducer is arranged in the motor and integrated with a brake. The bearing system comprises a rotor supporting bearing used for supporting a motor rotating system and a hub bearing used for supporting a wheel rotating system, the motor, the planetary gear reducer and the rotor supporting bearing are designed in an integrated oil cooling mode, and cavities where the motor, the planetary gear reducer and the rotor supporting bearing are located are communicated with one another. Cooling liquid cools and lubricates the motor, the planetary gear reducer and the rotor supporting bearing at the same time. Compared with the prior art, the electric wheel is compact in structure, the number of sealing pieces of the electric wheel can be reduced on the premise that the electric wheel has good structural rigidity, the axial size of an electric wheel assembly is reduced, and the electric wheel has the advantages of being good in cooling effect and easy to maintain.
Owner:TONGJI UNIV

Method of Nacelle Air Heat Exchanger Integration for a Hydrogen Fueled Fuel Cell Powered Aircraft

A heat exchanger system for an aircraft comprises nacelle having an inlet and an outlet, a nacelle heat exchanger within the nacelle, and a fan system within the nacelle. Air flows into the nacelle through the inlet and out of the nacelle through the outlet. The nacelle heat exchanger is configured to transfer heat away from a coolant using the air in an airflow to the nacelle heat exchanger. The fan system is configured to increase the airflow to the nacelle heat exchanger.
Owner:THE BOEING CO

New energy storage cable with automatic temperature adjusting function

The invention belongs to the technical field of energy storage cables, and particularly relates to a new energy energy storage cable with an automatic temperature adjusting function. Comprising an insulating layer, and a plurality of conductors are arranged in the insulating layer; the outer part of the insulating layer is wrapped with the protective sleeve; the new energy storage cable with the automatic temperature adjusting function further comprises a temperature adjusting unit. According to the energy storage cable, the temperature adjusting unit is arranged in the insulating layer in the energy storage cable, and the temperature adjusting unit can adjust the temperature in the insulating layer in a cooling liquid heat exchange mode, so that the temperature in the energy storage cable is prevented from being too high or too low, heat increase is reduced, energy loss is reduced, aging of the insulating material is slowed down, and the service life of the energy storage cable is prolonged. Fire disasters are reduced; and meanwhile, the cable flexibility reduction caused by low temperature is prevented, and the durability of the energy storage cable is improved.
Owner:SHENZHEN CHENGTIANTAI CABLE IND DEV CO LTD

Arcing machine control method based on multi-parameter collaborative optimization

The invention relates to the technical field of arc discharge control, in particular to an arc discharge machine control method based on multi-parameter collaborative optimization, which comprises the following steps of: generating a first regulation and control instruction by adopting a fuzzy PID (Proportion Integration Differentiation) algorithm based on a deviation value between a dynamic parameter feedback signal and a preset threshold value, the axial feeding speed of the servo motor, the power output curve of the arc generator and the coolant spraying time sequence are synchronously adjusted, so that the arc energy density gradient and the workpiece heat conduction rate form dynamic balance, the mechanical resonance frequency in the machining process is monitored through the vibration spectrum analysis unit, and when it is detected that the resonance intensity exceeds a safety threshold value, the coolant spraying time sequence is started. And a second regulation and control instruction is generated by triggering a frequency compensation algorithm, and the driving frequency of the servo motor is corrected in real time, so that the control precision is improved, the arc discharge process is more stable, the response speed is increased, the arc discharge time is shortened, the adaptability is enhanced, the requirements of different materials and processes can be met, the energy consumption is reduced, and the production efficiency is improved.
Owner:SUZHOU LONGJINYI ELECTRONIC TECH CO LTD

Liquid cooling manifold for information technology equipment

An information technology equipment enclosure comprises a plurality of IT components, cold plates disposed over at least two of the IT components, and a cooling fluid manifold disposed within the IT equipment enclosure. The coolant liquid manifold has multiple input connectors and multiple output connectors. Each of the cold plates are coupled to the cooling fluid manifold using a coolant line attached to one of the input connectors and a coolant line attached to one of the output connectors. An input cooling liquid line couples the coolant liquid manifold to an output of an external liquid cooling system, and an output liquid line couples the coolant liquid manifold to an input of the external liquid cooling system. The coolant liquid manifold is configured to receive cooling fluid from the external liquid cooling system and to distribute the cooling fluid to all of the cold plates via the input connectors.
Owner:DELL PROD LP

Pressing device and method for corrugated plate welding

The invention discloses a pressing device and method for corrugated plate welding. The pressing device comprises a first clamping mechanism, a second clamping mechanism, a pressing supporting mechanism, a connecting supporting rod, a corrugated plate pressing mechanism and a temperature adjusting mechanism. The temperature adjusting mechanism comprises a heat conduction top pressing plate assembly, a temperature detection assembly, a heat conduction pipe assembly, a cooling liquid storage box, a cooling liquid circulating pump and a heat dissipation assembly. According to the pressing method, the first clamping mechanism and the second clamping mechanism clamp adjacent wave crest nodes of the corrugated plate correspondingly, and the heat conduction top pressing plate assembly is tightly attached to the surface of the side edge of a welding seam; and when the temperature reaches the upper limit, the cooling liquid circulating pump conveys cooling liquid for cooling, and when the temperature is reduced to the lower limit, the cooling liquid circulating pump and the heat dissipation assembly are shut down. And the risk of local deformation caused by heat input can be reduced through active temperature control, so that the forming quality of lap welding of the corrugated plates is improved.
Owner:SINOTECH ENERGY CO LTD

Lubricating oil filtering and cooling device for wind turbine gearboxes

We provide a lubricating oil filtering and cooling device for a gearbox of a wind turbine generator. [Solution] The cooling assembly includes a circulation box (100) to which an oil discharge pipe communicating with the oil discharge port of the gearbox is attached, an oil pump is attached at its uppermost end, and an oil supply pipe (103) communicating with the oil supply port of the gearbox is connected at its outlet end, a refrigeration pipe (201) and a guide pipe (202) attached within the circulation box, an inner box (203) fixedly connected within the circulation box, and an equalizing member (204) provided within the circulation box, wherein both ends of the guide pipe are respectively connected to the oil pump and the inner box, and the inside of the circulation box is filled with cooling liquid, a filter fixedly connected within the inner box, a cleaning member provided above the filter, and a drive member movably connected to the circulation box.
Owner:HUANENG HULUNBEIER WIND POWER CO LTD +3

Dual-mode cold storage air conditioning system based on dynamic coordinated regulation and control of human traffic

The invention belongs to the technical field of intelligent building energy management, and particularly discloses and provides a dual-mode cold storage air conditioning system based on human flow dynamic cooperative regulation, which comprises the following steps: acquiring dynamic human flow thermodynamic diagram data in real time, and accurately calculating a multi-region linkage cold load demand value based on a density change correlation coefficient and a heat conduction model; the real-time sensing of the flow density fluctuation and the dynamic refrigeration demand matching are realized; the phase change state of the coolant of the cold storage tank and the power consumption data of the refrigerating unit are collected in real time, the cold storage release proportion, the refrigerating power increment and other key parameters are dynamically adjusted, and the energy utilization rate is increased; the inherent defect of non-uniform cold and heat in zone control is overcome by calculating inter-zone cooling capacity migration parameters; temperature feedback data and a people flow thermodynamic diagram are collected in real time, the proportionality coefficient of the fan rotating speed and the air valve opening degree is dynamically adjusted, a closed-loop learning mechanism is formed, and the matching precision of a temperature control strategy and people flow distribution is continuously optimized.
Owner:XIAN XINGANG DISTRIBUTED ENERGY CO LTD

Phase change sweating cooling porous structure and application of phase change sweating cooling porous structure in aircraft return capsule

The invention relates to a phase change sweating cooling porous structure and application thereof in an aircraft reentry capsule, the porous structure comprises a porous layer comprising a plurality of densely arranged porous units; the liquid separation cavity is connected with the porous layer; the liquid storage cavity is used for storing a cooling agent; the coolant conveying pipeline is connected with the liquid storage cavity and the liquid separation cavity; the regulating valve is arranged on the coolant conveying pipeline; each porous unit comprises a small-porosity porous part as well as a large-porosity porous part and a liquid channel which are respectively connected with the small-porosity porous part, and a gas channel is formed between the small-porosity porous part and the large-porosity porous part; and a coolant is introduced from the liquid channel, permeates into the small-porosity porous part, escapes from the large-porosity porous part along the gas channel after being gasified, and forms a gas film for heat insulation. Compared with the prior art, rapid gas-liquid separation and partitioned flow regulation and control of the coolant in the sweating cooling porous layer can be effectively achieved, and the phase change sweating cooling efficiency and reliability are effectively improved.
Owner:SHANGHAI JIAOTONG UNIV

Control of cooling system for battery thermal mitigation

A battery pack for a vehicle electrical system includes a casing for receiving one or more battery modules. The battery modules are insertable into a casing of the battery pack. Additionally, the battery modules may include cooling plate to cool the battery module and provide coolant to another battery module in response to a triggering event. Additionally, the battery modules may include a top cover with a frangible insulating material to further thermally insulate one battery module from another battery module and allow gasses and active material to escape the battery module in response to a triggering event. The battery pack may additionally be configured with vents for venting the gases and active material, such as those generated by a battery module in a thermal runaway event. Additionally, the battery modules may include a heat shield to direct vented gases and active material away from a cabin of a vehicle.
Owner:ZOOX INC

Battery pack cooling system and aircraft comprising same

The invention relates to the technical field of batteries, in particular to a battery pack cooling system which comprises a battery box, a cover plate, cooling liquid and a battery pack. The cover plate is erected at the top of the battery box, and the battery box and the cover plate define a sealed space; the cooling liquid is arranged in the sealed space; the battery pack is arranged in the battery box, and the cooling liquid is used for cooling the battery pack.
Owner:AUTOFLIGHT (KUNSHAN) CO LTD

Solid hydrogen storage fuel cell system and control method

The invention discloses a solid-state hydrogen storage fuel cell system and a control method. The solid-state hydrogen storage fuel cell system comprises a fuel cell stack and a solid-state hydrogen storage module, the solid hydrogen storage module provides hydrogen for the fuel cell stack; the solid hydrogen storage module is provided with a first heat dissipation mechanism, and the fuel cell stack is provided with a second heat dissipation mechanism; the first heat dissipation mechanism and the second heat dissipation mechanism exchange heat through the first heat exchanger; an inlet of the first heat dissipation mechanism is provided with a PTC1 heater; an outlet of the first heat dissipation mechanism is provided with a first temperature sensor; the first heat dissipation mechanism is connected with the air compressor through a cooling liquid circulation pipeline; the air compressor, the intercooler, the humidifier and the tail gas silencer are sequentially connected through air ducts; the humidifier interacts gas with the fuel cell stack; heat generated by the fuel cell stack and waste heat of the air compressor are used for supplying heat to solid hydrogen storage and release, so that a radiator of the air compressor is omitted, and the integration difficulty of the solid hydrogen storage fuel cell system is reduced.
Owner:JIANGSU XCMG CONSTRUCTION MACHINERY RESEARCH INSTITUTE LTD +1

Low-temperature minimal quantity lubrication cooling method in aluminum alloy precision machining

The invention discloses a low-temperature minimal quantity lubrication cooling method in aluminum alloy precision machining, and relates to the field of aluminum alloy precision machining. Machining parameters such as the cutting speed and the feeding amount are determined according to the aluminum alloy material, the machining requirement and the tool performance, and finite element simulation optimization is carried out; high-purity vegetable oil-based lubricating oil is selected, a nano anti-wear agent and an antioxidant are added, and cooling liquid is prepared by mixing compressed air through vortex tube refrigeration; spraying to a processing area through a special multi-channel nozzle, and dynamically adjusting the flow; multiple sensors are used for monitoring the temperature, the tool abrasion and the surface quality, and adjustment is conducted when threshold values are exceeded; and the cooling liquid is recycled after being subjected to centrifugation and membrane filtration treatment, and the metal filing is classified, recycled and reused. The cooling and lubricating effects are good, cutting heat and tool abrasion are reduced, the machining precision is improved, and the tool service life is prolonged; environment-friendly lubricating oil is recycled, so that pollution and cost are reduced; real-time monitoring and adjustment guarantee stable machining quality, machining efficiency is improved, and high-end manufacturing requirements are met.
Owner:NINGBO JIYE FANGDE AUTOMOBILE TECH CO LTD

Electrical cabinet with ventilation and moisture prevention functions

The present invention relates to the technical field of moisture prevention and temperature reduction for electrical cabinets, and in particular to an electrical cabinet with ventilation and moisture prevention functions. The electrical cabinet comprises a cabinet body; a cabinet door; an air-cooling-based temperature reduction device; a coolant-based temperature reduction device; and a desiccant replenishment device. In the present invention, large-area dehumidification and moisture prevention is performed on the interior of the electrical cabinet by means of a corrugated moisture-proof panel; the coolant-based temperature reduction device performs liquid-cooling-based temperature reduction on components, uses a coolant for temperature reduction during circulation, thereby improving the continuous temperature reduction effect of the coolant, and is combined with the air-cooling-based temperature reduction device to achieve the effect of performing rotational air cooling on the components inside the electrical cabinet; in addition, wind power is utilized to make desiccant particles perform a full contact reaction with air, thereby further improving the saturation of water vapor adsorption by the desiccant particles, and improving the dehumidification effect.
Owner:LI ZONGFENG

Heat pump system for a vehicle

A heat pump system for a vehicle may efficiently adjust the temperature of heating elements by using a chiller where a refrigerant and a coolant exchange heat. At the same time, the heat pump system may efficiently perform cooling and heating of a rear seat by using a rear heating, ventilation, and air conditioning (HVAC) module provided with a heat-exchanger.
Owner:HYUNDAI MOTOR CO LTD +1

Digital pump operation method and system

The invention relates to the technical field of digital pump operation control, in particular to a digital pump operation method and system, and provides the following scheme that winding temperature gradient distribution, axial strain and cooling liquid dielectric property parameters are collected and input into a preset finite element thermal model, boundary conditions are corrected by adopting an adjoint matrix method, and the temperature gradient distribution, the axial strain and the cooling liquid dielectric property parameters are obtained. And reconstructing a three-dimensional transient heat flux density field to realize precise positioning of a local overheating area. Contribution of a heat source item to a temperature field is calculated based on sensitivity analysis, a heat flow density field is optimized in combination with the Fourier law, and calculation precision is improved. The device is suitable for the fields of urban water supply, petrochemical engineering, aviation fuel pumps and the like, the heat management precision of equipment can be improved, the service life is prolonged, and the operation efficiency is improved.
Owner:SHANGHAI PANDA MACHINEGRP CO LTD