27 results about "Coolant" patented technology

A cooling system for a vehicle comprises a compressor for compressing refrigerant, the compressor being adapted to be driven by a power source installed in the vehicle, a condenser for receiving compressed refrigerant from the compressor, an expansion device for expanding refrigerant from the condenser, and a liquid-to-liquid heat exchanger for receiving refrigerant from the expansion device and exchanging heat between the refrigerant and a liquid. The liquid may comprise a coolant, and a pump may be provided for pumping the coolant through the heat exchanger to a point of use such as a cooling garment to cool personnel on board the vehicle. Alternatively, the liquid may be a drinkable liquid which is pumped through the heat exchanger to a suitable dispensing system to provide an on-board supply of cool drinking liquid.

In on aspect, the invention includes a microcarrier bead having a porous three-dimensional core having (a) a polymeric porous three-dimensional body having porosity of about 15 to about 90% such that at least 99% of pores are interconnected and have diameters of at most 200 microns, (b) an outer protective layer and optionally (c) a filler. In another aspect, the invention includes a method of making an artificial scaffold wherein a scaffolding material is extruded into a coolant and thereby creating a porous material having a porosity of between 15-90% such that at least 99% of pores are interconnected and have diameters of at most 200 microns.

A temperature regulation system has a polished surface sufficiently smooth so as to reduce the emissivity of the surface. A conduit is in thermal proximity to the polished surface and is in communication with a source of coolant. The coolant is circulated through the conduit so as to transfer heat from the surface to the coolant. System may include a sprayed-on resistive heater. An a temperature controlled vessel has a heat transfer wall that is of an electrically conductive material that is coated with a durable thermally conductive and electrically nonconductive coating. The coating may be a sprayed on coating and the vessel may hold a buffer for performing electrophoresis.

The disclosure relates to a cylinder head having at least one cylinder. The cylinder head comprises a radial turbine including a rotor arranged in a turbine casing and rotatably mounted on a shaft, an overall exhaust line which opens into an inlet zone of the radial turbine, said zone merging into a flow duct which carries exhaust gas, and at least one coolant duct integrated into the turbine casing to form a cooling system, the at least one coolant duct extending in a spiral around the shaft in the casing, wherein the at least one coolant duct extends circumferentially around and at a distance from the flow duct over an angle α, where α≦45°.

The invention discloses a feedforward-feedback composite control method and a control system for the pressure and the liquid level of a nuclear power station voltage stabilizer. A voltage stabilizer liquid level set value is recalculated; a new voltage stabilizer liquid level set value is only relevant to the average temperature set value of a loop cooling agent at current power and zero power; mismatched signals of primary loop reactor power and a secondary loop stream turbine power are taken as feedforward signals, and are introduced into a pressure and liquid level control system of the voltage stabilizer, thereby forming a feedforward-feedback consistency control scheme; the liquid level and the pressure of the voltage stabilizer can be subjected to corresponding compensation control in advance, so that the control effect of the voltage stabilizer is enhanced, the voltage stabilizer can reach a stable state more rapidly, and the stability of a pressurized water reactor nuclear power unit during frequency and peak load modulation is further enhanced.

The invention provides a method and a device for detecting leakage of an air conditioner coolant. The detection device comprises an outdoor unit and an indoor unit; a compressor communicates with a coil pipe of the outdoor unit by virtue of a four-way valve; the coil pipe of the outdoor unit is provided with an expansion valve; an air collection chamber is arranged inside the indoor unit; a coolant concentration sensor is arranged inside the air collection chamber; a temperature and humidity sensor is arranged inside the indoor unit; the indoor unit is provided with a controller; the indoor unit is provided with a fan; and the controller is used for judging whether the coolant is leaked or not according to a detection result and a pre-storage relationship and executing a corresponding control program. According to the method and the device for detecting leakage of the air conditioner coolant provided by the invention, a multi-level different-stage same-element difference value comparison method is adopted, an inner detection element and an outer detection element are used for alternating detection so that detection factors are corrected, misjudgment is reduced, the detection accuracy of coolant leakage is improved, further damage of the compressor of an air conditioner is prevented to a great extent when the air conditioner is in use, and the comfort level of user experience isincreased.

The invention discloses an air-conditioner and a method for switching the working mode of the air-conditioner. The method solves the problem of high noise generated when the working mode of the air-conditioner is switched in the prior art. The air-conditioner comprises an indoor unit, an outdoor unit and a liquid pipe, a low-pressure air pipe, a low-pressure air pipe valve, a high-pressure air pipe and a high-pressure air pipe valve connected between the indoor unit and the outdoor unit; the air-conditioner also comprises a liquid pipe throttling device, a low-pressure air pipe throttling device and a high-pressure air pipe throttling device, wherein the liquid pipe throttling device is connected in series in the liquid pipe; the low-pressure air pipe throttling device is connected in parallel with the low-pressure air pipe valve; and the high-pressure air pipe throttling device is connected in parallel with the high-pressure air pipe valve. By using the technical scheme, the pressureof a coolant can be changed stably, and heat expansion and cold contraction effects are reduced, so that the noise generated when the working mode of the air-conditioner is switched is reduced.

There is disclosed herein an apparatus and a method in which a workpiece is loaded into the apparatus and the apparatus then moves and positions the workpiece in a multitude of directions based upon the directions and controls supplied to the apparatus through either a computer and applets, a programmable controller and/or through manual intervention. The apparatus can move the workpiece linearly to a predetermined position, rotate the workpiece in a continuous motion, index the workpiece incrementally and/or do any combination of those movements. The apparatus can also control other components such as turning coolant and/or quench valves on and off as desired or powering working tools such as an induction hardening coil. The workpiece is loaded directly on the center of the apparatus movement and positioning device for increased capacity loading and precision movement.

The invention discloses an oil separator and an air conditioning unit, belonging to the technical field of air conditioning and aiming to solve the problem of poor effect of present devices for oil separating. The oil separator of the invention comprises a housing provided with an inner chamber; the housing is provided with an air inlet, an air outlet and an oil returning opening; the housing is provided with a spiral deflector therein, a hollow first filter screen assembly and a second filter screen assembly sealing the upper end opening of the first filter screen assembly which are installed in the spiral deflector in a sleeved mode; oil-containing mixed gas entering from the air inlet is secondarily filtered by the first filter screen assembly after firstly filtered by the spiral deflector; then the mixed gas passes through the second filter screen assembly in the axial direction for the third-level filtering and then is discharged from the air outlet; the oil drops obtained from filtering flows out from the oil returning opening. The oil separator of the invention is provided with a three-level separating structure which can effectively separate lubricating oil from coolant gas so as to avoid problems of inhaled gas containing liquid due to oil leakage and poor cooling effect and increase the reliability of air conditioning unit.

The invention provides a cooling system and a vehicle. The cooling system comprises a cooling agent flow distribution device, a bypass loop, a large circulating loop, a machine oil cooler loop and a warm air loop, wherein the cooling agent flow distribution device is used for controlling the flow distribution of cooling agents in the bypass loop, the large circulating loop and the warm air loop. The cooling system can effectively reduce the oil consumption, reduces the emission, and improves the sitting comfort.

A method of manufacturing a hollow stabilizer includes a forming step of subjecting an element pipe to a bending process, to form a product shape including bent portions, and a quenching step of quenching the element pipe subjected to the bending process. In the quenching step, a cooling process is performed by immersing the element pipe made of steel in coolant and by spraying the coolant to an outer surface of the bent portion.

A combustion apparatus includes a combustion chamber, a pre-chamber and a first device for mixing a fuel with an oxidant, the first device being located upstream of the pre-chamber. The combustion chamber and the pre-chamber share a common first and second wall spaced to each other building a cavity. The first wall exhibits at least one first opening in the area of the combustion chamber for introducing a coolant into the cavity. Further, the combustion apparatus has a channel for feeding the oxidant to the first device, whereby the channel is formed by a housing element of the combustion apparatus and the common first wall of the combustion chamber and the pre-chamber. The at least one first opening is located in the area of the combustion chamber. The first wall exhibits at least one second opening, located in the area of the pre-chamber, for introducing the coolant into the cavity.

The invention discloses an inverter air conditioner, which includes the structural parts of the external unit of the air conditioner, and also includes a heat dissipation module, an electric control board, an electrical box, PETG tube one, PETG tube two, a needle valve, and a fan. Leaf, condenser module, partition, PETG tube 3. Power pump, motor bracket, heat dissipation module, condenser module and power pump form a closed-loop circulation system. The internal cooling liquid absorbs heat and is driven by the power pump to flow down to the condenser module. The high-temperature cooling liquid dissipates its own heat through the rotation of the fan, and the cooled and heated liquid becomes the condensation end, so that the heat absorbed by the heat dissipation module can be conducted in time Go out and achieve the purpose of cooling down. Compared with the prior art, the invention is not partly controlled by the refrigeration system, is an independent closed-loop circulation system, has low cost and is easy to produce and process.

The invention relates to a turbocharger that has a turbine housing (11), a bearing housing (10), and a compressor housing (9). The turbine housing has a coolant inlet (5), a cooling casing arranged in the interior of the turbine housing, and a coolant outlet (6). The cooling casing is divided into two subregions.

The invention relates to the technical field of electric spindles, in particular to a liquid metal temperature control system for an electric spindle. The liquid metal temperature control system for the electric spindle provided by the invention comprises a control system, an electric spindle housing and an electric spindle unit, wherein a closed coolant return pipe filled with liquid metal is arranged between the electric spindle housing and the electric spindle unit; the coolant return pipe is provided with an electromagnetic pump for pumping the liquid metal; and the electromagnetic pump isconnected with the control system. The liquid metal is adopted as a medium of a coolant, so that the thermal conductivity is good; the liquid metal which is not oxidized and of which the melting point temperature is close to the optimal working temperature of the electric spindle unit can be selected, the flow of the electromagnetic pump can be adjusted through the control system and the temperature of the coolant return pipe is effectively adjusted through changing the flow, so that the heat dissipation effect is further improved. In addition, the liquid metal temperature control system is compact in structure and reasonable in design; and a cooling and temperature control device does not need to be additionally arranged outside the electric spindle housing, so that the production cost is effectively reduced.

An exhaust gas cooling device, which cools exhaust gas from an internal combustion engine mounted on a vehicle through heat exchange between the exhaust gas and a coolant, includes: a plurality of tubes through which the exhaust gas flows; a tubular shell which houses the plurality of tubes and is configured to allow the coolant to flow therethrough; and a header plate disposed at an end portion in the shell to prevent the coolant from flowing out of the shell. The header plate includes support holes in which end portions of the plurality of the tubes are fitted and supported, and each of axial end faces of the plurality of tubes is located in the corresponding support hole at a position between both ends of the header plate in a thickness direction of the header plate.

A system for controlling blade clearances within a gas turbine engine includes a rotor disk and a rotor blade coupled to the rotor disk. Additionally, the system includes an outer turbine component positioned outward of the rotor blade such that a clearance is defined between the rotor blade and the outer turbine component. Furthermore, the system includes a heat exchanger configured to receive a flow of cooling air bled from the gas turbine engine and transfer heat from the received flow of the cooling air to a flow of coolant to generate cooled cooling air. Moreover, the system includes a valve configured to control the flow of the coolant to the heat exchanger. In this respect, the cooled cooling air is supplied to at least one of the rotor disk or the rotor blade to adjust the clearance between the rotor blade and the outer turbine component.

An exhaust heat recovery apparatus is installed proximate an engine and at a front side of a warm-up catalytic converter in an exhaust system, where the exhaust system includes an exhaust line connected with the engine, and the warm-up catalytic converter is installed at the exhaust line. The exhaust heat recovery apparatus includes a bellows unit which is of a dual-pipe type and exchanges heat between exhaust gas emitted through the exhaust line and coolant circulating from a cooling system to the engine.

This disclosure describes various configurations and components for bimetallic and trimetallic claddings for use as a wall element separating nuclear material from an external environment. The cladding materials are suitable for use as cladding for nuclear fuel elements, particularly for fuel elements that will be exposed to sodium or other coolants or environments with a propensity to react with the nuclear fuel.

The invention provides a heat dissipation device for electrical equipment, and belongs to the field of electrical equipment. The heat dissipation device comprises an equipment main body; and an air outlet and an air return hole are formed in the equipment main body. The heat dissipation device further comprises a heat dissipation box; the heat dissipation box is detachably connected with the equipment main body; a cooling box is arranged in the heat dissipation box; a cooling pipe is spirally arranged in the cooling box in a penetrating mode; one end of the cooling pipe is communicated with an air inflow pipe, the other end of the cooling pipe is communicated with an air return pipe; the end, away from the cooling pipe, of the air inflow pipe is communicated with the air outlet; the end, away from the cooling pipe, of the air return pipe is communicated with the air return hole; the cooling box is filled with a coolant; and the air inflow pipe is provided with an exhaust fan. According to the heat dissipation device, the heat dissipation efficiency in a long time can be improved.

A drain system of a water pump for a vehicle according to an exemplary embodiment of the present invention may include: a drain hole formed at a water pump housing, wherein coolant having leaked from the water pump passes the drain hole; a drain chamber formed in the water pump housing and providing a space communicated with the drain hole; a drain plug disposed in the drain chamber and collecting the coolant passing the drain hole; and a plug penetration hole penetrating the drain plug so as to communicate an inside of the drain plug to an outside of the water pump housing, wherein a part of the coolant collected in the drain plug may be vaporized and be exhausted to the outside of the water pump housing through the plug penetration hole.