48results about How to "Simplify the cooling system" patented technology

In a supercharger (10) with an electric motor in accordance with the present invention, the electric motor (20) is arranged at a position adjacent to a compressor impeller (6), a center housing (14) has a cooling fluid flow path (34) formed in such a manner as to surround the electric motor (20) and be adjacent to a diffuser portion (25). A first cooling structure portion (38) is formed at a position in the electric motor (20) side in the cooling fluid flow path (34), a second cooling structure portion (39) is formed at a position in the diffuser portion (25) side in the cooling fluid flow path (34). The electric motor (20) is cooled by the first cooling structure portion (38). The diffuser portion (25) is cooled by the second cooling structure portion (39).

A horizontal full-evaporation cooling motor is characterized in that a stator cavity is communicated with a rotor cavity of the motor and share one condenser (90). A stator (10) is soaked in a cavity body filled with an evaporative cooling medium, and the cavity body is surrounded by a sheath (40), a housing (70) and end rings (30) on both ends of the stator. The heat is transferred to the cooling medium by a stator winding (101) and an iron core (102) of the motor, so that the cooling medium absorbs the heat and is vaporized, the gaseous medium rises, enters the condenser (90) and is condensed, and the condensed liquid medium drips to the stator cavity. A motor rotor (20) adopts the evaporative cooling manner by local soaking or through an axial pipe, wherein the evaporative cooling medium flows to the rotator cavity from the stator cavity through a liquid level switch (60) and is evaporated after absorbing the heat of the rotor (20), and the gaseous medium rises through channels on both ends of the rotor cavity and enters the condenser (90). The rotor cavity is sealed with the outside of housing by adopting a rotary seal structure (50) at the rotation shaft. The motor has the advantages of good cooling effect, compact structure and simple cooling system.

The present invention relates to forming machine technology, and is especially one embossing roller for forming pattern in the surface of artificial leather, plastic product, etc. The embossing roller includes one metal roller and one air permeable embossing roller outside the metal roller, the hollow metal roller has one cavity to form one cooling chamber with water inlet and water outlet as well as axial holes in the outer wall and communicated to radial holes to the outer surface of the metal roller, and the axial holes and the radial holes constitute one air pumping passage for the embossing roller to operate in negative pressure state. The embossing roller has optimized structure, simplified cooling system, low cost, and easy installation and use.

A DC superconducting cable which is formed by housing stranded three cable cores in a thermal insulation pipe and in which structure for absorbing thermal contraction occurring during cooling can easily be achieved by adjusting the stranded state of the cores. Also, the structure in which three cores are housed together in the thermal insulation pipe enables the simultaneous cooling of the three cores, allowing the cooling system to be simplified.

In a semiconductor device in which a semiconductor chip is cooled by a cooler, an insulating member between a semiconductor chip and a cooler is omitted in order to simplify the configuration. A cooler (23, 24, 25) for performing heat exchange between a semiconductor chip (21, 22) and a refrigerant is provided. The refrigerant is non-conductive. The semiconductor chip (21, 22) and the cooler (23, 24, 25) are connected to each other through a conductive connection component (28) or are directly connected to each other.

The invention provides a two-stage refrigerating circulation system with an economizer and oil cooling compression. The two-stage refrigerating circulation system with the economizer and oil cooling compression comprises a compressor, an oil separator, a first heat exchanger, a second heat exchanger, a third heat exchanger, the economizer, a heat regenerator, a first throttling device, a second throttling device and a third throttling device, and all the components are connected through pipelines. The compressor, the oil separator, the first heat exchanger, the first throttling device, the economizer, the second throttling device and the second heat exchanger form a refrigerant cycle. The compressor, the oil separator, the third heat exchange and the third throttling device form an oil cooling compression cycle. The mass percentage of oil in a mixture (oil and a refrigerant) at an exhaust port of the compressor is 0%-60% and can be regulated. According to the two-stage refrigerating circulation system with an economizer and oil cooling compression, the oil spraying quantity can be increased, compression heat is effectively absorbed by means of the oil cooling compression process, the exhaust temperature of the compressor is decreased, and the isentropic efficiency and isasteric efficiency of the compressor are improved. Through the combination with an air-supply enthalpy increasing cycle of the economizer, the refrigerant in the economizer is evaporated for oil cooling, an oil cooling system is simplified, and the performance of the oil cooling compression cycle is improved.

The invention discloses a hybrid power device adopting fuel and liquid gas. The hybrid power device comprises a four-stroke internal combustion engine cylinder and a pneumatic motor cylinder, wherein the pneumatic motor cylinder consists of a cylinder body, a piston and a cylinder cover, the piston is arranged in the cylinder body, the cylinder cover, the cylinder body and the piston are enclosed to define a gas source working cavity, and a gas inlet door, a gas outlet door and a spray nozzle extending into the gas source working cavity are arranged on the cylinder cover; the piston of the pneumatic motor cylinder and a piston of the internal combustion engine cylinder are connected with each other through a connecting rod mechanism, and slide alternatively in the corresponding cylinder bodies. The liquid gas and the fuel are adopted as basic sources for forming driving force, the gas emitted after the liquid gas does work can be effectively utilized as a pre-compressed gas source for further heat expansion, so that the efficiency can be furthest improved, and the pollution can be reduced. On the basis, the invention further provides a hybrid power system applying the power device and a hybrid power output construction method adopting fuel and liquid gas.

The embodiment of the invention provides a cooling system used for cooling an electric automobile. The cooling system comprises a cooling loop, a cooling liquid pump, a heat radiator and ventilation holes, wherein the cooling liquid pump comprises a pump water outlet and a pump water inlet; the pump water outlet and the pump water inlet correspondingly communicate with the cooling loop; the heat radiator comprises a heat radiator water inlet and a heat radiator water outlet; the heat radiator water inlet and the heat radiator water outlet correspondingly communicate with the cooling loop; theheat radiator is mounted on a side beam of a chassis of the electric automobile; and the ventilation holes are formed in the side wall of a shell of the electric automobile and used for providing heatradiation air for the heat radiator. As the ventilation holes are formed in the side wall of the shell of the electric automobile, and the heat radiator is mounted on the side beam of the chassis ofthe electric automobile, the heat radiator can be effectively cooled by using side air.

The invention discloses a hybrid power device with fuel and direct-injection liquid gas. The hybrid power device comprises a four-stroke internal combustion engine cylinder and a pneumatic machine cylinder, wherein the pneumatic machine cylinder comprises a cylinder body, a piston arranged in the cylinder body and a cylinder cover, the cylinder body, the piston and the cylinder cover define a gas source work cavity, and the cylinder cover is provided with a gas inlet door, an exhaust door and a liquid injecting nozzle stretching into the gas source work cavity; the piston of the pneumatic machine cylinder is connected with a piston of the internal combustion engine cylinder through a link mechanism, so that the pistons can slide in corresponding cylinders in an alternating mode. The liquid gas and the fuel are used as a basic source for forming driving force, gas exhausted after the liquid gas acts is effectively utilized to be used as a pre-compression gas source which expands after being heated, and therefore efficiency can be improved to the largest extent, and pollution is lowered. The invention further provides a hybrid power system comprising the hybrid power device, and an output construction method of hybrid power with fuel and direct-injection liquid gas.

The invention relates to a water chamber connecting structure of a parallel flow type heat exchanger with a harmonica-shaped channel. The water chamber connecting structure is mainly used for solving the problems that heat dissipation pipes of a heat exchanger of the current electric vehicle have smaller welded surfaces with water chambers and are prone to leak. The parallel flow type heat exchanger comprises an upper water chamber, a lower water chamber and heat dissipation pipes between two water chambers and is characterized in that the upper water chamber and the lower water chamber are flat, wherein a plurality of symmetric connecting holes are formed in the upper surfaces of the upper water chamber and the lower water chamber; the heat dissipation pipes are flat and are provided with elbow structures at two sides; the elbows are inserted into the connecting holes and mutually match with the connecting holes; the lower surfaces, close to the elbows, of the heat dissipation pipes are attached to the upper surfaces of the water chambers. Compared with the traditional vertically-welded surfaces, the current welded surfaces are greater than the traditional vertically-welded surfaces, so that the heat exchanger is relatively firm and is unlikely to leak. By adopting NOCOLOK brazing, welded quality is good and structure is reliable; a refrigerant is chosen as a medium, so that the cooling system of the electric vehicle is simplified.

A gear type diesel engine relates to a diesel engine, and comprises an engine case, a rotor type piston ball, a rotor type air cylinder, a transmission gear set and an air supercharging device, wherein the rotor type piston ball and the rotor type air cylinder are positioned in the engine case; the transmission gear set and the air supercharging device are positioned on the outer side of the engine case; the rotor type piston ball and the rotor type air cylinder are meshed with each other, and mounted in the engine case through gear shafts; one end of each gear shaft extends out of the engine case and is connected with the transmission gear set; the air supercharging device is mounted on the outer side of the engine case; a flue gas exhaust pipe, a flue oil conveying pipe and an air inlet pipe which are communicated with the rotor type air cylinder are mounted on the engine case; an air inlet end of the air inlet pipe is connected with the air supercharging device. The gear type diesel engine has the advantages that the four strokes of air suction, compression, outburst and exhaust are completed during the process that the rotor type piston ball and the rotor type air cylinder are continuously meshed and separated, the operation is more stable, the noise is low, the structure is simple, the self weight is reduced, and the manufacturing difficulty and the manufacturing cost of the diesel engine are reduced.

The invention provides a generator stator and a generator. The generator stator comprises a stator core, a plurality of stator windings and a liquid cooling system. The stator core comprises a cooling air duct, a stator winding and at least one stator tooth adjacent to the stator winding form a ventilation gap in the tooth width direction, the cooling air duct is communicated with the ventilation gap and a cavity, and the ventilation gap is used for being communicated with an air gap between the generator stator and a generator rotor. Besides, a liquid cooling pipeline penetrates through all fins and all cavity side radial sections in the axial direction of the stator core, the fins form heat exchange fins of the liquid cooling pipeline, when a cooling medium exchanges heat with the generator stator, the cooling medium can make contact with the liquid cooling pipeline, heat is transmitted to cooling liquid in the liquid cooling pipeline, and compared with a single air cooling system, more heat can be taken away, and the cooling effect is more remarkable.