3317 results about "Thermal management system" patented technology

The present invention relates to a system for managing the heat from a heat source like an electronic component. More particularly, the present invention relates to a system effective for dissipating the heat generated by an electronic component using a thermal management system that includes a thermal interface formed from a flexible graphite sheet and / or a heat sink formed from a graphite article.

A thermal management system for a vehicle includes a heat exchanger having a thermal energy storage material provided therein, a first coolant loop thermally coupled to an electrochemical storage device located within the first coolant loop and to the heat exchanger, and a second coolant loop thermally coupled to the heat exchanger. The first and second coolant loops are configured to carry distinct thermal energy transfer media. The thermal management system also includes an interface configured to facilitate transfer of heat generated by an internal combustion engine to the heat exchanger via the second coolant loop in order to selectively deliver the heat to the electrochemical storage device. Thermal management methods are also provided.

The present invention provides an integrated self-contained lighting module which can be used on its own, or in conjunction with other modules to produce white light, or light of any other colour within the colour spectrum. Each module comprises one or more light-emitting elements, a drive and control system, a feedback system, thermal management system, optical system, and optionally a communication system enabling communication between modules and / or other control systems. Depending on the configuration, the lighting module can operate autonomously or its functionality can be determined based on either or both internal signals and externally received signals.

A cordless power tool has a housing which includes a mechanism to couple with a removable battery pack. The battery pack includes one or more battery cells as well as a system to dissipate heat from the battery pack.

An efficient thermal management system (100) that utilizes a single heat exchanger (133) is provided. A refrigeration subsystem (103) cools the heat exchanger (133). A first coolant loop (139) in thermal communication with the heat exchanger (133) is used to cool the energy storage system (137). A second coolant loop (151) corresponding to the HVAC subsystem (107) is also in thermal communication with the heat exchanger (133). Preferably a third coolant loop (109) corresponding to the drive motor cooling subsystem (101) is coupleable to the HVAC coolant loop (151), thus providing an efficient means of providing heat to the HVAC subsystem (107).

A thermal management system for a vehicle includes a heat exchanger having a thermal energy storage material provided therein, a first coolant loop thermally coupled to an electrochemical storage device located within the first coolant loop and to the heat exchanger, and a second coolant loop thermally coupled to the heat exchanger. The first and second coolant loops are configured to carry distinct thermal energy transfer media. The thermal management system also includes an interface configured to facilitate transfer of heat generated by an internal combustion engine to the heat exchanger via the second coolant loop in order to selectively deliver the heat to the electrochemical storage device. Thermal management methods are also provided.

A method of thermal management for a thermal management system in a vehicle includes the steps of selecting a thermal management function. The method also includes the steps of adjusting a temperature within the thermal management system using the thermal management function and using the adjusted temperature within the thermal management system to control a temperature within an occupant compartment of the vehicle.

An integrated drive system assembly is provided that combines an electric motor, a power inverter assembly and a gearbox into a single, multi-piece enclosure. Combining these components into a single enclosure reduces weight, reduces drive system complexity, reduces system volume, simplifies assembly integration into an electric vehicle, reduces manufacturing cost, allows the flexible and lengthy electrical cables between the power inverter and the electric motor to be replaced with short, low loss, rigid bus bars, and simplifies component cooling by allowing the use of a common thermal management system. The common thermal management system includes a liquid coolant loop that is thermally coupled to the electric motor, the power inverter assembly and the gearbox.

A battery pack thermal management system for use in an electric car. The battery pack thermal management system includes a plurality of thermistors connected to a plurality of cells of a battery pack. A battery monitor board is connected to the thermistors. The system also includes a manifold and a plurality of cooling tubes connected to the manifold. A tube seal plug is arranged over an end of the cooling tube and an end fitting is arranged on an end of the cooling tube. The thermal management system will cool the battery pack to predetermined temperatures to increase the longevity of the battery pack within the electric vehicle.

The present invention provides an integrated self-contained lighting module which can be used on its own, or in conjunction with other modules to produce white light, or light of any other colour within the colour spectrum. Each module comprises one or more light-emitting elements, a drive and control system, a feedback system, thermal management system, optical system, and optionally a communication system enabling communication between modules and / or other control systems. Depending on the configuration, the lighting module can operate autonomously or its functionality can be determined based on either or both internal signals and externally received signals.

Embodiments of the invention provide thermal management systems for LED light fixtures. In one embodiment, an LED track light fixture includes a lighting assembly, a fixture housing mounted to the lighting assembly and having a plurality of apertures, and a mounting structure that affixes the fixture housing to a track. In this embodiment, the lighting assembly includes a heat sink, a reflector, at least one light emitting diode, and a synthetic jet actuator. In a second exemplary embodiment, a sealed, enclosed LED light fixture includes a lighting assembly, along with an enclosure and a fixture housing surrounding the lighting assembly. In this embodiment, the lighting assembly includes at least one light emitting diode, a thermoelectric cooler, and at least one heat sink. In some embodiments, a forced air cooling device may be located between the printed circuit board and the thermoelectric cooler.

A heat exchanger integrated into an electric vehicle's battery pack enclosure is provided, where the heat exchanger conduits are mechanically and thermally coupled to the inside surface of the enclosure base plate and where the battery pack enclosure is mounted such that ambient air flows over the outside surface of the enclosure base plate during vehicle motion. A thermal management system is coupled to, and controls operation of, the integrated battery pack heat exchanger such that in a first operational mode the heat exchanger is thermally coupled to the batteries within the battery pack, and in a second operational mode the heat exchanger is thermally decoupled from the batteries within the battery pack.

A highly energy efficient automobile that provides payload, safety and performance capacities similar to a comparable vehicle of a given vehicle class. The current invention is ideal for short to medium range urban and suburban driving. The current invention incorporates components in a unique and novel way, in which these components combine to form a system that produces an automobile that reduces overall air pollution while encouraging the commercialization of alternative energy sources. The current invention features an lightweight, low rolling resistance, digitally controlled and direct-drive electric propulsion system. A lightweight spaceframe with a suspension system provides a structure for mounting a low-aerodynamic-drag body system and other components. An intelligent power and thermal management system coupled with a removable auxiliary power module supplies the electrical energy required. While the preferred embodiment is substantially a passenger vehicle, the current invention may be scaled to other land vehicles.

A dual mode, thermal management system for use in a vehicle is provided. At a minimum, the system includes a first coolant loop in thermal communication with a battery system, a second coolant loop in thermal communication with at least one drive train component (e.g., electric motor, power electronics, inverter), and a dual mode valve system that provides means for selecting between a first mode where the two coolant loops operate in parallel, and a second mode where the two coolant loops operate in series.

A battery pack thermal management system for use in an electrical vehicle is disclosed. The battery pack thermal management system includes a manifold and a plurality of cells arranged in a predetermined pattern within the battery pack. The system also includes a cooling tube having a scallop like outer surface in thermal contact with the cells and in fluid communication with the manifold. The thermal management system will cool the battery pack to a predetermined temperature to increase the longevity of the battery pack within the electric vehicle.

A thermal management system locates a separate engine heat exchanger and generator heat exchanger into an engine nacelle pylon that is split to provide independent control of both a generator cooling circuit and an engine cooling circuit. A variable exhaust nozzle is provided downstream of each heat exchanger as each has different thermal and heat rejection requirements such that intake air is minimized and maximum thrust is produced in response to the current generator load and engine heat rejection.

An induction cook top with a heat management system is disclosed. The heat management system controls heat produced both internally by the electronic components within the cook top as well as heat produced above the cook top when cooking. The heat management system provides improved air flow past and around the internal electronic components. The cook top features an efficient removal of generated heat and may optionally provide a vented housing and direct airflow into and out of the housing or provide a thermoelectric cooling device which permits a ventless housing.

A thermal management system includes at least two of a multiple of heat exchangers arranged in an at least partial-series relationship.

The invention relates to a thermal management system of a power battery, and belongs to a component of a battery management system. The thermal management system of the power battery mainly consists of a battery box, a heat pipe, a liquid flow pipe, a liquid box, a semiconductor heating / refrigerating element, a liquid circulating pump, a battery control unit, a temperature sensor, a radiator and a fan. The radiator and the fan are installed outside the battery box, the battery box, the heat pipe, the liquid flow pipe, the liquid box, the semiconductor heating / refrigerating element, the liquid circulating pump, the battery control unit and the temperature sensor are installed in the battery box and organically combined with a battery module. The heat pipe is inserted into the battery module. The heat pipe is compactly attached to the battery module and the liquid flow plate above the battery module. The liquid flow plate is internally provided with a liquid circulating pipeline connected with the liquid circulating pump which is further connected with the liquid box filled with a circulating liquid. The semiconductor heating / refrigerating element is contacted with the liquid box and attached to the radiator. The battery box is further provided with the temperature sensor connected with battery control unit which controls the liquid circulating pump, the semiconductor heating / refrigerating element and the fan to work. The thermal management system of the power battery provided by the utility model is reasonable in structure and can quickly heat and cool.

A thermal energy management system is provided having a heat spreading device that is operatively engaged with at least one semiconductor chip and a thermal bus operatively engaged with the heat spreading device so as to transport thermal energy from the heat spreading device to a heat sink. The heat spreading device includes a heat pipe and the thermal bus includes a loop thermosyphon. A second thermal bus may be operatively engaged with the first thermal bus so as to transport thermal energy from the first thermal bus to a heat sink. The second thermal bus may also include a loop thermosyphon. A method of managing thermal energy in an electronic system is also provided that includes spreading thermal energy generated by one or more devices over a surface that is relatively larger than the devices, thermally coupling an evaporator portion of a loop thermosyphon to the surface, and thermally coupling a condensing portion of the loop thermosyphon to a thermal energy sink, e.g., a second loop thermosyphon, convection fin, or cold plate.

The invention provides a power battery thermal management system which comprises a complete automobile power-driven air conditioner, a complete automobile charger, an air passage and a battery management system, wherein the air passage is connected with an air outlet of the complete automobile power-driven air conditioner and an air inlet of a battery pack and is used for leading hot air or cold air of the air conditioner into the battery pack; the battery management system is used for controlling the hot air of the air conditioner to be led into the battery pack so as to preheat the battery set in the battery pack when the lowest temperature of a battery module is lower than a first threshold value and controlling the battery set in the battery pack to be charged and discharged after preheating the battery pack; when the highest temperature of the battery module is higher than a second threshold value and the temperature difference between the ambient temperature of the air inlet of the battery pack and the temperature of the battery module is lower than a third threshold, the battery management system controls the cold air of the air conditioner to be led to the battery pack so as to dissipate heat in the battery set in the battery pack. Accordingly, the invention provides a control method of the thermal management system. The invention can lead the battery pack to be charged and discharged in the allowable temperature range and ensure the heat balance among the battery modules and prevent the battery from being overcharged and overdischarged.

Lighting systems having unique configurations are provided. For instance, the lighting system may include a light source, a thermal management system and driver electronics, each contained within a housing structure. The light source is configured to provide illumination visible through an opening in the housing structure. The thermal management system is configured to provide an air flow, such as a unidirectional air flow, through the housing structure in order to cool the light source. The driver electronics are configured to provide power to each of the light source and the thermal management system.

An intelligent multi-loop thermal management system for and electric vehicle has components including a battery pack, an electric-drive module, an on-board charger a DC / DC converter, a battery radiator, a battery refrigerator, a motor radiator, an electric water pump, an electric oil pump, an expansion tank, a PTC heater, a heat exchanger, an electric compressor, a condenser, an evaporator, a receiver drier, and a heater core. The system also includes an electric-drive module having a drive motor and a motor control unit. The components are thermally connected to each other by using a pipeline and a four-way valve, a three-way valve, a straight-through valve, and an electronic expansion valve that are disposed in the pipeline, to form a plurality of loops that separately performs thermal management and control the battery pack, the electric-drive module, and a passenger compartment air conditioner.

A battery pack thermal management system is provided that is comprised of at least one enclosure failure port integrated into at least one wall of a battery pack enclosure, where the enclosure failure port(s) remains closed during normal operation of the battery pack, and opens during a battery pack thermal runaway event, thereby providing a flow path for hot gas generated during the thermal runaway event to be exhausted out of the battery pack enclosure in a controlled fashion.