1012 results about "Heating cooling" patented technology

A building heating / cooling system energy optimization method for a building having a heating / cooling system includes the steps of providing a mathematical model of the heating / cooling system, obtaining real-time weather information, reading the input water temperature (IWT), the output water temperature (OWT) and the supply air temperature (SA) output to the building, periodically transferring the IWT, the OWT and the SA to an optimization system which is operative to analyze the real-time data in coordination with the mathematical model by assigning at least three selected values in a range surrounding and including the current values of each of the IWT, the OWT and the SA and calculating the efficiency profile of the components of the heating / cooling system for each of the selected values, then cooperatively optimizing and selecting those values calculated to provide the highest efficiency profile, then periodically resetting the system values to those selected by the optimization system.

An integrated heat exchange system on a microfluidic card. According to one aspect of the invention, the portable microfluidic card has a heating, cooling and heat cycling system on-board such that the card can be used portably. The microfluidic card includes one or more reservoirs containing exothermic or endothermic material. Once the chemical process of the reservoir material is activated, the reservoir provides heat or cooling to specific locations of the microfluidic card. Multiple reservoirs may be included on a single card to provide varying temperatures. The assay chemicals can be moved to the various reservoirs to create a thermal cycle useful in many biological reactions, for example, Polymerase Chain Reaction (PCR) or rtPCR. According to another aspect of the invention, the integrated heat exchanger is an adjacent microfluidic circuit containing fluid that is either independently heated or cooled, or is an exothermic or endothermic material, such that the fluid in the adjacent circuit imparts a change in temperature to the assay fluid in an independent circuit. According to yet another aspect of the invention, a thermal electric cooler (TEC) is used for thermocycling the amplification chamber of a disposable microfluidic card.

To cool a blade type server disposed in an air-conditioned room, the following arrangements are made. The first is at least one shell having a ventilation passage disposed in the air-conditioned room. The second is, the following are disposed in a ventilation passage: racks, in which blade type servers each composed of a case with slim boards housed therein are stacked; cooling coils each having a coolant passage and a cooling fin and cooling a passing air; and at least one fan unit having axial-flow fans placed therein and producing air currents in one direction. The third is the fan unit forces a cooling air to flow in one direction in the ventilation passage thereby to cool the servers in the racks. The cooling coils and racks are disposed alternately so that warmed cooling air after passing through the rack is cooled by the cooling coil and then cools the next rack.

Delamination of a laminated multilayer stack is provided by generating a layer-specific energy distribution in the stack during delamination. A localized energy transferrer can generate localized heating, cooling heating, cooling, or other form of energy absorption or transmission, in a bonding layer of a multilayer stack. Localized energy transfer can include thermal energy transfer, such as heating and / or cooling, acoustic energy transfer, such as applying ultrasonic energy, electromagnetic energy transfer, such as applying laser light, directed microwaves, etc. Localized energy transfer can generate a layer-specific energy distribution that can weaken the bonding layer while reducing damage to other layers of the stack.

The invention discloses a method for using a semiconductor heating-cooling device in water-spraying air purification equipment. The semiconductor heating-cooling device is structurally formed by that heat exchange fins are arranged at the lower cold ends and upper hot ends of a same group of P-N-node semiconductor devices (p-n) to form the semiconductor heating-cooling device (W) with refrigerating fins (6) and heating fins (7). The key utilization method, namely structural cohesion requirements in utilization includes: enabling a refrigerating passage formed by a portion, with the refrigerating fins (6), of the semiconductor heating-cooling device (W) to join with a rain area air purification passage (D) formed by a water storage plate (2) and a water receiving plate (5); enabling a heating passage (D-2) formed by a portion, with the heating fins (7), of the semiconductor heating-cooling device (W) to join with an air purification passage (D) with a fan driver (1). By taking the advantage of double effects of the semiconductor devices (p-n) with one side for refrigerating and the other side for heating after electrification, conditions are created for both greatly simplifying heating-cooling facilities (size reduced) and greatly saving energy.

This invention relates to a method and controller (1) for optimising energy consumption in a building. More specifically, the present invention describes a method and controller (1) for use in a building having a building management system (BMS) (3). Typically, the BMS (3) has sensors distributed throughout the building to determine the environmental conditions in the building and the BMS controls a heating / cooling system of the building.

Thermoelectric devices with controlled current flow are provided for motor vehicle applications including but not limited to electrical power generation applications such as thermoelectric alternators, alternator supplements, generators, and battery chargers. Further, thermoelectric devices with controlled current flow are provided for other motor vehicle climate control applications such as air conditioning, cooling, heating, and refrigeration. Thermoelectric devices and systems are disposed between heat sources and heat sinks of a motor vehicle, or between hot surfaces and cooler surfaces of a motor vehicle. For power generation applications, thermoelectric devices convert the temperature gradient between a heat source and a heat sink into electrical energy for the motor vehicle. For climate control applications, thermoelectric devices are driven by electrical current such that thermal energy is transferred between a heat source and a heat sink to provide heating, cooling, or both. Methods related to the above are also provided.

An air treatment system for a vehicle includes a first compressor selectively coupled to a first power source of the vehicle. A second compressor is selectively coupled to a second power source of the vehicle. A first heat exchanger communicating with an interior space is defined in the vehicle. A second heat exchanger communicates with an environment exterior to the vehicle. A valve member is provided which, in a first position, couples an inlet of each of the first and second compressors to an outlet of the first heat exchanger and an outlet of each of the first and second compressors to an inlet of the second heat exchanger. In a second position, the valve member couples the outlets of the first and second compressors to an inlet of the first heat exchanger and the inlets of each of the first and second compressors to an outlet of the second heat exchanger. A controller is provided that selectively actuates at least one of the first and second compressors and the valve member.

In a heat storage system for a vehicle, when a temperature of cooling water from a vehicle engine is high, adsorbents are heated by the cooling water, so that moisture is desorbed from the adsorbents in order to store heat. When the temperature of cooling water is low, the moisture is adsorbed in the adsorbents to heat the cooling water, while refrigerant in a vapor compression refrigerator is cooled by evaporating water. Thus, adsorption heat is generated from the adsorbents, and the cooling water is heated by using the adsorption heat. Accordingly, warm-up operation of the vehicle engine is facilitated, while motive power consumed by the vapor compression refrigerator can be reduced.

The present invention relates to a vehicle seat with a ventilated component such as a seat component or a backrest component, where at least one of the components has a seat cushion and a trim surface. The invention also includes an absorption refrigeration system having a boiler in thermal contact with a heat source of the vehicle, a condenser, and an evaporator located in thermal contact with the vehicle seat. The absorption refrigeration system also includes a conduit fluidity connecting each of the boiler, condenser and evaporator to each other. A refrigerant is located in the conduit and circulates among the components to facilitate temperature conditioning of the vehicle seat.

A substrate holder has a disk-like body with a central recess having diameter smaller than the diameter of the substrate placed onto the upper surface of the holder. The substrate can be clamped in place by the clamps of the edge-grip mechanism or placed into a seat without the use of clamps. In both cases, the substrate forms a partial wall that confines the heating / cooling recess or chamber. The aforementioned recess is filled with a cooling or heating liquid (depending on the mode of metal deposition) selectively supplied from a liquid heating or cooling system. In order to ensure in the working chamber above the substrate a pressure slightly higher than the pressure in the cooling / heating recess, the working chamber is first filled with the working solution under the atmospheric pressure, and then the recess is filled with a heating or cooling liquid with simultaneous increase of pressure in the working chamber to a level slightly exceeding the pressure in the recess. The substrate holder of the invention provides direct heat / cool-exchange between the heating / cooling medium and the substrate and allows instantaneous change of temperature of the heating / cooling liquid.

The invention relates to a measuring device and measuring method for well-cementing annular weight loss of cement slurry. The device is mainly composed of a base, a control panel, an upright strut, a slurry cylinder and a computer, wherein the upright strut is connected with the slurry cylinder through a support shaft and with the control panel through a rotating shaft; the slurry cylinder is provided with a pressurizing hole, an inner cylinder, an outer cylinder and an annular space between the inner and outer cylinders; the slurry cylinder is a segmented combination with each segment provided with a temperature sensor, a pressure sensor and a heating cooling jacket; the slurry cylinder controls the eccentricity of the inner cylinder through an eccentric cover, three pressure sensors arearranged at the lower part of the slurry cylinder; and the temperature sensors and the pressure sensors respectively transmit data to the computer. The invention can simulate different temperature differences of downhole temperature changing along with hole depth, and acquisition and regulation are controlled by the computer, so that the operation is simple and convenient; the eccentricity of thesleeve is controlled by the eccentric cover, so that the safety, stability and reliability are ensured; and the measuring device and the measuring method are suitable for operations such as petroleumand natural gas well cementation, cement extrusion, cement injection and the like.

Various systems and method for heating an engine in a vehicle during a cold start are described. In one example, thermal efficiency of the engine is improved by heating engine coolant via a high-pressure exhaust gas recirculation (HP-EGR) system. For example, after light-off of an exhaust catalyst, exhaust gas is routed through the HP-EGR system which includes a HP-EGR cooler. Heat from the exhaust gas is then used to warm the engine coolant via the HP-EGR cooler. One or more engine operating parameters are adjusted in response to the HP-EGR entering the engine during the cold start in order to maintain combustion stability.

A direct expansion / direct exchange (“DX”) geothermal heating / cooling system having a plurality of pin restrictors positioned in housing units at ground accessible locations. The pin restrictors are preferably located near the compressor unit and on the field side of the distributor. Refrigerant is substantially equally distributed by a distributor to substantially equally sized line sets in the DX system with multiple wells. The distributors are place in either horizontal or vertical inclinations with the pin restrictors situated on the field side of the distributor in each individual liquid refrigerant transport line. A cut-off ball valve is located within the liquid refrigerant transport line on each side of the respective pin restrictor housing units. A filter / dryer is place within the same liquid refrigerant transport line segment as the pin restrictor(s) with a refrigerant flow shut-off valve being situated on each side of the liquid line segment containing the filter / dryer and the distributor.

A system for treating tissue in a patient includes a body having a cooling fluid supply path and a tissue piercing probe in fluid communication with the cooling fluid supply path. The probe extends distally from the body and is insertable into the tissue through the patient's skin. A cooling fluid source is fluidly coupled with the probe such that when cooling is initiated, cooling fluid flows in the probe thereby cooling the probe and any adjacent tissue. A heater element is in thermal engagement with the cooling fluid source and a power source provides power to the heater element thereby heating the cooling fluid. The power source has sufficient power to heat the cooling fluid to at least a desired temperature but has insufficient power to heat the cooling fluid above a critical temperature which results in rupture of the cooling fluid source.

According to the invention, the temperature and flow rate of cooling water for removing the heat of absorption are controlled artificially according to the cold output of load water by utilizing heated cooling water after the removal of the heat of absorption or heat source water, etc. According to the invention, a coolant tank and a load heat exchanger unit are provided as separate units. A load carrier is provided for cooling the load while partly evaporating the coolant through heat exchange between liquid coolant supplied from the coolant supplied from the coolant tank through a pump and the load. Mixture fluid of liquid coolant and vapor coolant after the heat exchange in the load cooler are returned to the coolant tank for separation of gas and liquid. Because the coolant tank and the load cooler are provided separately, the heat exchange with the load is performed by utilizing the latent heat of evaporation of coolant independently of possible temperature variations in the coolant tank. It is thus possible to obtain load heat at a constant temperature.

The present invention provides an induction heating device for a fuel cell system, which can rapidly heat coolant during cold start-up, control the power consumption depending on the voltage of a fuel cell stack, and ensure the insulation resistance by separating a heating unit, which is in contact with the coolant, from the outside. That is, the present invention provides an induction heating device for a fuel cell system, in which an insulating housing is provided in a coolant circulation line, a heater for heating coolant is provided in the housing, and a high frequency controller for controlling the power consumption of the heater is provided at the outside of the housing such that the coolant can be rapidly heated during cold start-up, precisely control the power consumption depending of the voltage of a fuel cell stack, and improve the insulation performance by separating the heater as a heating unit, which is in contact with the coolant, and the high frequency controller and a coil as a power unit with respect to the insulating housing.

A heating apparatus for a vehicle includes a heat exchanger for heating air blown into a passenger compartment by using cooling water for cooling an engine as a heating source, and a combustor for heating cooling water flowing into the heat exchanger. When the combustor is stopped, exhaust gas of the engine is introduced into the combustor so that the exhaust gas of the engine is heat-exchanged with cooling water in the combustor, and is introduced into an intake pipe of the engine. Therefore, exhaust gas of the engine, introducing into the intake pipe of the engine, is cooled in the combustor without an additional heat exchanger provided in an engine compartment.

A lubricating oil composition for refrigerator is formed by adding an organic compound that includes a double bond in the molecule such as α-olefin or conjugated diene to a base oil. Capable of being stably used for a long time in the presence of oxygen, the lubricating oil composition for refrigerator according to the invention is suitable for an open-type car air-conditioner, an electric driven car air-conditioner, a gas heat pump, an air conditioning device, a refrigerator, a vending machine, a showcase, various hot-water supply systems or a heating / cooling system.

A tray for selectably heating or cooling the contents of the tray comprises a container body having a material chamber for containing said contents. The tray is specifically configured to heat of cool solid, semi-solid or viscous materials. The container body is generally flat wherein the width of the container body is greater than its height. The container body has a first compartment for housing a thermic module and a second compartment for containing the contents to be heated or cooled. Within the thermic module, an internal exothermic (or, alternatively, endothermic) chemical reaction is initiated to heat (or cool) the contents when a user actuates the thermic module. The thermic module comprises two reactant chambers separated by a breakable barrier, an actuator, and a piercing member movable between a retracted position and an extended position in response to a force placed on a portion of the actuator. A distal end of the piercing member breaks said breakable barrier when the piercing member is forced into the extended position to allow mixing of the reactants in the two reactant chambers.

The invention relates to a device which is used to read and analyse chips. The inventive device comprises a table (11) for receiving a chip (12) that is intended to characterise at least one sample, means of exciting the molecules or cells of the chip after reaction with other molecules and means (14) of reading and analysing the molecules subjected to excitation. The invention is characterised in that the device also comprises: a unit (15) for controlling the temperature of the aforementioned table, said control unit being connected to a module (111) consisting of a plurality of Peltier-type heating / cooling elements which are disposed opposite different slots on the surface of the table; and at least one table temperature sensor (112) which is also connected to said control unit. The invention also relates to the associated methods.

A heat transfer fluid can be cooled using the atmospheric thermal lapse rate. The heat transfer fluid can be ascended to a predetermined altitude above ground level where a temperature of the atmosphere is less than a temperature at the ground level. The heat transfer fluid can be cooled to a predetermined temperature by heat exchange between the heat transfer fluid and the atmosphere. The heat transfer fluid can then be descended to ground level while inhibiting heat transfer with the atmosphere tending to warm the cooled fluid.

Methods and systems for controlling temperatures in plasma processing chamber via pulsed application of heating power and pulsed application of cooling power. In an embodiment, temperature control is based at least in part on a feedforward control signal derived from a plasma power input into the processing chamber. In further embodiments, fluid levels in each of a hot and cold reservoir coupled to the temperature controlled component are maintained in part by a passive leveling pipe coupling the two reservoirs. In another embodiment, digital heat transfer fluid flow control valves are opened with pulse widths dependent on a heating / cooling duty cycle value and a proportioning cycle having a duration that has been found to provide good temperature control performance.

The invention relates to an air conditioning device 1 comprising a refrigerant circuit 2 and a coolant circuit 3, - the refrigerant circuit 2 comprising at least a compressor 4, an internal heat exchanger 5, an external heat exchanger 6 and an evaporator 7, - the coolant circuit 3 comprising at least a first heat exchanger associated with a component 8, a second heat exchanger associated with a component 9 and a radiator 11, - a fluid / fluid heat exchanger 12 installed in the refrigerant circuit 2 and in the coolant circuit 3, the coolant circuit 3 comprising a first loop 13 and a second loop 14 which are interconnected by an interconnection device 15, characterized in that the first loop 13 comprises the fluid / fluid heat exchanger 12, the first heat exchanger associated with a component 8 and a means 16 for heating the coolant which means is interposed between the interconnection device 15 and the fluid / fluid heat exchanger 12, the second loop 14 comprising the second heat exchanger associated with a component 9 and the radiator 11.

An air conditioner for a vehicle includes a refrigerant cycle having an evaporator which is disposed in a blowing duct and cools air by refrigerant evaporation in the blowing duct; a compressor setting the evaporated refrigerant at a high temperature and high pressure; a refrigerant-to-water heat exchanger heating cooling water by heat transfer from the refrigerant discharged from the compressor; and an expansion device decompressing the refrigerant discharged from the refrigerant-to-water heat exchanger, The air conditioner also includes a cooling water cycle having a heater core which is disposed on the downstream side of the evaporator; a radiator cooling the cooling water; a pump circulating the cooling water cooled by the radiator; a power engine cooled by the cooling water fed by the pump; and the refrigerant-to-water heat exchanger. The refrigerant cycle performs cooling for dehumidification by performing the operation of heating.

The invention discloses an electric vehicle finished-vehicle thermal management system. The system comprises a motor-radiator loop, a PTC heating loop, a battery pack loop and an air-conditioner loop;heat transfer and heat exchange are achieved among all the loops through valves and a plate heat exchanger, so that the requirements of all parts for heating and cooling are met under different working conditions. By means of the thermal management system, communication of the motor loop, the battery loop and the PTC loop in a thermal management loop is achieved simply through the valves. The invention further discloses a control method of the electric vehicle finished-vehicle thermal management system. According to the control method, a difference value delta T1 between an actual battery operating temperature TB and a standard battery operating temperature T0 and a difference value delta T2 between a motor outlet water temperature TM and the actual motor operating temperature TB are adopted as identification parameters, and a fuzzy control method is utilized for determining a proper loop mode. By means of the control method, the thermal management loop mode is switched in real time according to the actual vehicle condition, and the battery energy consumption is reduced to the greatest extent.

This invention provides a method and an apparatus for automobile warming-up. The apparatus includes a sealed container that is filled with phase changed materials that can form supercooled liquid; a status sensor that monitors the status of the phase change material; a trigger system that induces the supercooled liquid to crystallization; a temperature sensor that monitors the temperature of the phase change materials; and a finned heat exchanger or coiled tube that is connected with the coolant recirculation system of an automobile. After an automobile is ignited, its engine heats the liquid coolant in coolant recirculation system. The heated coolant carries heat energy to the apparatus, which stores the heat energy. When the automobile is started later, the apparatus releases the stored heat energy to heat the coolant, which then warms up the automobile by coolant recirculation system.

In a heat storage system for a vehicle, when a temperature of cooling water from a vehicle engine is high, adsorbents are heated by the cooling water, so that moisture is desorbed from the adsorbents in order to store heat. When the temperature of cooling water is low, the moisture is adsorbed in the adsorbents to heat the cooling water, while refrigerant in a vapor compression refrigerator is cooled by evaporating water. Thus, adsorption heat is generated from the adsorbents, and the cooling water is heated by using the adsorption heat. Accordingly, warm-up operation of the vehicle engine is facilitated, while motive power consumed by the vapor compression refrigerator can be reduced.

Provided is a cell lysis method including: preparing a cell sample to be lysed; heating the cell sample; and cooling the cell sample by causing an endothermic reaction near the cell sample. According to the method, cell lysis can be simply and conveniently performed without regard to location and without additional devices since a separate energy source is not required and the apparatus is portable. In particular, when cell lysis is performed in a biochip using a small amount of sample, a greater cell lysis effect can be obtained. In addition, cell lysis efficiency is significantly improved, compared to when only heating is performed.

A system and method for controlling the flow of a cooling fluid through a fuel cell stack during cold system start-up. A pump pumps the cooling fluid through the stack. At cold start-up, the pump is selectively turned on and off in a pulsed manner based on the temperature, cooling fluid volume, stack output power and other factors so that a minimal amount of the cold cooling fluid is introduced into the stack. By selectively controlling the duty cycle and the frequency of the pump pulsing, the reaction temperature will heat the cooling fluid, but the influence of the cold cooling fluid on the stack output power will be minimized. In an alternate embodiment, an electric heater is positioned in the inlet manifold, so that the cooling fluid is heated in the inlet manifold during the times that the pump is off.