1509 results about "Expansion tank" patented technology

The invention aims to provide a heating system of a power battery of a pure electric automobile and a control method thereof, which are used for eliminating the influence of low temperature on the performance of the power battery of the pure electric automobile to ensure that the pure electric automobile can be used in severe cold areas in winter. The heating system comprises a battery heating device which is arranged in a battery pack, wherein the battery heating device is provided with a hollow radiating fin; and the radiating fin is provided with a water inlet and a water outlet. The heating system is characterized by also comprising an auxiliary heater, wherein the auxiliary heater is connected with a fuel supply device; a heat exchanger is arranged in the auxiliary heater; the water inlet of the heat exchanger is communicated with the water outlet of an expansion water tank by a water pump and a water pipe; the water outlet of the heat exchanger is communicated with the water inlet of the radiating fin by an electric control valve; the water outlet of the radiating fine is communicated with the water inlet of the expansion water tank; the electric control valve, the auxiliary heater and the water pump are connected with a vehicle controller and are controlled by the vehicle controller; and the vehicle controller is also connected with a battery 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.

The invention relates to a high-heat-discharge-quantity refrigerating and heating temperature control system for a reaction kettle. The high-heat-discharge-quantity refrigerating and heating temperature control system comprises a reaction kettle, wherein one end of the reaction kettle is sequentially connected with a heating pipe, an electric proportioning regulating valve, a first cold storage tank and an evaporation heat exchanger through a fourth pipeline, the output end of the evaporation heat exchanger is sequentially connected with a first circulation pump, a first one-way valve, an expansion tank and an exhaust valve through a first pipeline, the exhaust valve is connected to the other end of the reaction kettle through a fifth pipeline, the two ends of the evaporation heat exchanger are connected with a refrigerating machine, the refrigerating machine is structurally characterized in that one end of the evaporation heat exchanger is sequentially connected in series with a gas-liquid separator, a compressor, an oil separator, a condenser, a drying filter, a second cold storage tank, an electromagnetic valve and an expansion valve through a third pipeline, the outer end of the expansion valve is connected with the other end of the evaporation heat exchanger through an eighth pipeline, the refrigerating machine is positioned between the electromagnetic valve and the second cold storage tank and is connected with the third pipeline through the second pipeline, and an electronic expansion valve is arranged on the second pipeline. The work reliability is good.

A system and method for improving cooling of a heat-generating component in a closed-loop cooling system is shown. The system comprises a venturi having a throat which is coupled to an expansion tank that is exposed to atmospheric pressure in the embodiment being described. The venturi, when used with a pressure switch, can operate to determine a flow rate which can be used to generate a signal which in turn is used to activate or deactivate one or more of the components, such as the heat-generating component, in the system. Also shown is another embodiment wherein a circular venturi is provided to permit a venturi passageway to be defined about an axis of the pump in order to shorten the overall length of the pump and venturi combination.

The invention provides an electric automobile cooling system, comprising an electric water pump (1), an electric machine controller (MCU) (2), an electric machine (3), a radiator (5), a fan (4), an expansion tank and hose (6); wherein the electric machine (3) and the electric machine controller (2) are arranged in the front cabin of the electric automobile. The electric water pump (1), electric machine controller (2), electric machine (3) and the hose for the radiator (5) are connected with each other to form a cooling circuit; the fan is arranged at the back part of the radiator and the headwind and the cold air driven by the fan exchange heat with the radiator. When one of the electric machine temperature and the electric machine controller temperature achieves the preset value, the cooling system starts to work. When the two temperatures are lower than the preset value, the cooling system stops to work. Therefore the service life of the electric water pump is prolonged and the reliability of the cooling system is increased.

The invention relates to a system for testing heat-transfer performance of a gas-water-oil heat interchanger, and is composed of a steady air system, a cold water system, a hot water system and a oil system. The steady air system: a voltage-stabilizing case output end is connected with inlets between the first steady air flow gauge and the first steady air pneumatic butterfly valve or the second flow gauge and the second steady air pneumatic butterfly valve and high-pressure centrifugal fan, wherein, steady air bypass electric control valve is connected between the inlet and the outlet of the high-pressure centrifugal fan; the hot water system: an expansion water tank, an electric heater water tank and an outlet are connected to the water pump, and water enters into the heat interchanger to be measured through the bypass of the electric three-way valve, the water flow gauge and the electromagnetic valve, thereby forming a closed loop system; the cold water system: compared with the hot water system, the system does not have an expansion water tank; the oil loop system is a open and close type circulating system: the outlets of the expansion fuel tank and the fuel-tank are connected to the oil pump, oil enters into the heat interchanger to be measured through the bypass of the electric three-way valve, the oil flow gauge and the electromagnetic valve, thereby forming a closed circulation for testing the heat exchange performance of the oil-water, oil-gas heat interchanger.

The invention discloses an exhaust gas waste heat recovery and emission reduction comprehensive application system for a coal-fired boiler in a thermal power plant. In the invention, along the flow direction of flue gas, an air preheater, a first low temperature economizer, a low temperature dust collector, a draught fan, a second low temperature economizer and a desulfuration island are sequentially arranged on a pipe between the boiler and a chimney, wherein, the inlet of the air preheater is respectively communicated with a cold primary air pipe and a cold secondary air pipe; the cold secondary air pipe is provided with a secondary air heater; the secondary air heater is communicated with the second low temperature economizer via a coal-water pipe; the coal-water pipe is provided with an expansion tank and a water pump; and the low temperature economizer is divided into two segments, wherein, one segment is used for heating condensed water, and the other section is used for heating the cold secondary air at the inlet of the air preheater by virtue of a water medium. The exhaust gas waste heat recovery and emission reduction comprehensive application system has the beneficial effects of maximally utilizing the gas waste heat, reducing heat consumption of a machine set, lowering energy consumption of equipment such as the dust collector, the draught fan, a blower and the like, reducing the power consumption rate of the thermal power plant, improving the economical efficiency of the thermal power plant, more efficiently saving the energy consumption, and benefiting construction of the lowcarbon society.

The invention discloses an integrated thermal management system for electric vehicles. The integrated thermal management system comprises a battery integrated thermal management system, a motor integrated thermal management system and a refrigeration and heating cycle system of a heat pump air conditioner, wherein the battery integrated thermal management system comprises a first water pump, a first phase change heat exchanger, a first expansion tank and a battery water-cooling coil; the motor integrated thermal management system comprises a second water pump, a second phase change heat exchanger, a second expansion tank, a radiator and a first motor water-cooling coil; and the refrigeration and heating cycle system of the heat pump air conditioner comprises a condenser, the heat pump air conditioner, an evaporator and a dryer. The battery integrated thermal management system and the motor integrated thermal management system are connected with the refrigeration and heating cycle system of the heat pump air conditioner through the first phase change heat exchanger and the second phase change heat exchanger. During a heating cycle, the first phase change heat exchanger and the second phase change heat exchanger transfer stored energy to the evaporator for preheating. During a refrigeration cycle, the evaporator transfers heat to the first phase change heat exchanger and the second phase change heat exchanger for storing energy. The integrated thermal management system for the electric vehicles shares the evaporator, decreases the number of evaporators and causes structure layouts inside the electric vehicles to be reasonable.

A roadbed generator provides a roadbed collector positioned within a roadbed. The roadbed collector engages passing vehicles collecting kinetic energy therefrom, which is converted to electrical energy that is collected and passed to a load for use. In one embodiment a roadbed collector is a piston positioned below a hinged surface plate that forms part of the roadbed. Passing vehicles drive the plate and piston down into a cylinder containing hydraulic fluid, driving the hydraulic fluid from the cylinder to a hydraulic generator. A return spring coupled to the surface plate force the plate back into an elevated position after a vehicle has passed on. In some embodiments an expansion tank interposed between the cylinder and generator forces fluid back into the cylinder causing the piston to move upwardly in preparation for engaging another vehicle.

An improved cooling system for a turbo charged internal combustion engine is disclosed. A conduit connects a pressurizing engine air intake to the cooling system to raise the pressure in the cooling system thereby enabling an increase of the maximum temperature which coolant in the cooling system can reach. An electronically controlled valve selectively places the expansion tank in communication with the pressurizing engine air intake to maintain a desired pressure in the tank and to prevent back flow of fluid into the engine air intake.

The invention relates to the field of engine cooling systems and aims at providing a double-loop cooling system and method for an engine. The double-loop cooling system for the engine comprises a cylinder block water jacket and a cylinder cover water jacket, and a main water pump; the cylinder cover water jacket comprises an upper cylinder cover water jacket and a lower cylinder cover water jacket, the two of which are connected with the main water pump; the double-loop cooling system for the engine further comprises an engine oil cooler connected in series with the cylinder block water jacket, a radiator connected with the main water pump, a cylinder cover thermostat connected with the upper cylinder cover water jacket and a lower cylinder cover water jacket, a cylinder block thermostat connected with the cylinder block water jacket and the radiator, an expansion tank connected with the main water pump, a first degassing valve connected with the upper cylinder cover water jacket and the expansion tank, a second degassing valve connected with the main water pump and the expansion tank, and a third degassing valve connected with the cylinder cover thermostat and the expansion tank; a water temperature sensor is arranged at an outlet of the lower cylinder cover water jacket. The double-loop cooling system for the engine is good in dynamic property, economical efficiency and discharge property of the engine, and is further capable of prolonging the service life of the engine.

The invention discloses an engine cooling system, comprising a pump (1), a heater unit (2), an oil cooler (3), an EGR cooler (4), a radiator (5), an expansion tank (6), a thermolator (7), a cylinder body water jacket (8), a cylinder head water jacket (9) and an integrated support (10), wherein, the pump (1), the oil cooler (3) and the thermolator (7) are mounted on the integrated support (10), and the thermolator (7) is a high purity wax thermolator which is arranged at a water inlet; cooling fluid entering the cylinder head water jacket (9) flows out through the back end of the cylinder head, two water outlets are arranged at two sides of the back end of the cylinder head, the water outlet at the air inlet side is connected with the radiator (5), the water outlet at the air outlet side is connected with the heater unit (2), a branch circuit of the heater unit is normally open, and the branch circuit of the heater unit is controlled by the thermolator (7). By increasing the initial operating temperature and lowering the temperature difference between the full operating temperature and the initial operating temperature, the engine cooling system of the invention can improve cooling effect, thus improving economical efficiency of engine gas fuel, and lowering discharge of harmful gases; in addition, the structural arrangement is more compact.

The invention relates to a hot water circular cushion for warming by using water vapor to push water to circularly flow for heat transmission, which comprises a hose, a cushion body, an expanding water tank, a start holding valve, tail-end holding valves, an electrical heating element and a hot water pipe. The hot water pipe is combined with the electrical heating element, and the flexible pipe is arranged in the cushion body. The hot water circular cushion for warming also comprises a vapor pipe and an exhaust connecting hose. One end of the hot water pipe is connected with one end of the vapor pipe, the other end of the vapor pipe is connected with one end of the hose, the other end of the hose is connected with one end of the exhaust connecting hose, the other end of the exhaust connecting hose is connected with one end of the expanding water tank, and the other end of the expanding water tank is connected with the other end of the hot water pipe through a connecting pipe to form a circular passage. The start holding valve is arranged on the connecting pipe, the tail-end holding valves are arranged on the optional positions of the hose and the exhaust connecting hose, and the direction of the start holding valve and the directions of the tail-end holding valves are the same. The volume in the hot water pipe is matched with the volume in the vapor pipe, and an inlet connecting hose is added between the vapor pipe and the hose. The temperature of the water entering the hose in the cushion body is not high by using the structure, and the water is very comfortable to use.

A system and method for cooling an internal combustion engine. In one embodiment of the invention a cooling system for an internal combustion engine is disclosed, comprising an engine; an intercooler for receiving combustion air from a turbocharger, the intercooler comprising an air-to-liquid heat exchanger for exchanging heat between the combustion air and a liquid coolant; an intercooler radiator; at least one engine coolant radiator; an expansion tank; an oil cooler; and at least one pump, wherein the dedicated fan is controlled by a temperature switch or controller and wherein the at least one engine coolant radiator and the intercooler radiator are located on opposite sides of the engine.

A non-metallic, diaphragm-type tank assembly for use with a pressurized water system is disclosed. The tank assembly comprising a non-metallic outer body; a non-metallic inner shell assembly, including an upper portion and a lower portion, that is contained by the non-metallic outer body; and a diaphragm that is structured and arranged about the upper and lower portions of the inner shell assembly to separate said inner shell assembly into a water portion and a pressurized gas portion. Preferably, the diaphragm comprises a resilient, non-porous material and includes a bead portion comprising an annular ring that is convex on an inner side and concave on an outer side at its outer periphery. More preferably, the bead portion is removably secured to the overlapable end portion of the lower portion of the inner shell assembly by a clamping system that comprises an inner clamp hoop and an outer band. Specifically, the outer band can be mechanically crimped to compress and secure the second overlapable end portion and the bead portion of the diaphragm between the inner clamp hoop and the outer band to provide a watertight seal for the water portion.

The invention discloses a bottom-arranged power integrated system for a high-speed internal combustion motor train unit. The bottom-arranged power integrated system for the high-speed internal combustion motor train unit comprises a diesel generating set, a diesel auxiliary system, a cooling system, an electronic control system and a mounting frame, wherein the diesel generating set comprises a diesel and a generator; the generator and the diesel are fixed through a connecting flange; the diesel auxiliary system comprises an inlet air filter, an exhaust SCR aftertreatment system, a fuel system and an engine oil system which are arranged on two sides of the diesel generating set; the cooling system comprises a fixed hydraulic pump, a cooling device, an expansion water tank and a fixed hydraulic tank; the diesel generating set and the cooling device are fixed on the mounting frame through elastic rubber dampers; and the mounting frame is hung below a floor of a vehicle through an elastic rubber damper. While axle weight of the bottom-arranged power integrated system for the high-speed internal combustion motor train unit is reduced, passenger carrying space on the vehicle can be utilized to a maximum extent,, and therefore, requirements of high speed passenger transportation are met.

An apparatus for the sterilization of lumen devices. The apparatus for sterilizing lumen devices is comprised of a chamber defining a region for sterilization, an expansion tank assembly, and a mixing member. The chamber is adapted to receive the expansion tank. The expansion tank is adapted to fluidly connect to at least one lumen device. The mixing member is disposed within the expansion tank to mix gaseous sterilant within residual gas that may include contaminants.