31results about How to "Helps cooling" patented technology

Provided is an aero-engine air rotational flow plasma igniter. An insulating sleeve and a supporting sleeve are installed inside a shell, the insulating sleeve is arranged on one side of a separating plate inside the shell, the supporting sleeve is arranged inside the shell, and an air chamber is formed between the outer surface of the supporting sleeve and the inner surface of the shell. An anode sleeve is sleeved at one end, provided with the supporting sleeve, of the shell. A swirler is arranged inside the anode sleeve, and the end surface of the swirler makes contact with the end surface of the supporting sleeve. A cathode installation base is arranged inside the insulating sleeve, and the end surface of the cathode installation base makes contact with a cathode binding post in a coaxial cable. The external thread end of a cathode is fixed inside the cathode installation base and sequentially penetrates through the supporting sleeve and the swirler from top to bottom, and the arc end of the cathode extends out of the lower end surface of the swirler. The aero-engine air rotational flow plasma igniter does not change the structure and the position of an electric spark igniter originally installed in an engine combustor, penetrates through the outer duct of an engine, is installed on the outer wall of the combustor vertically, improves reliability of products, and has the advantages of being small in size, light in weight, simple in structure, and convenient to use and maintain.

A lighting unit (10) includes a reflector region (130) coupled to a neck region (140) coupled to a base region (150) is described. These regions (130, 140, 150) define an inner region (160) for inclusion of a lamp (300), in that the reflector region (130) can be operated to reflect radiation generated by the lamp (300), the neck region (140) is disposed at least partially to surround the lamp (300), and the base region (150) is disposed to convey electrical connections to the lamp (300). The unit (10) further includes a heat-conducting arrangement of elements (500, 510) to conduct, in operation, heat energy generated by the lamp (300) substantially to the neck region (140) for subsequent dissipation therefrom.

To provide exhaust gas treatment equipment for removing an exhaust gas by burning or pyrolyzing the same in a rational manner. Treatment equipment (A) having: a combustion chamber (1) for removing a supplied exhaust gas by burning or decomposing the same, one end part (1a) of the combustion chamber (1) being closed; an exhaust pipe (2) for discharging the removed exhaust gas and connected to an other end part (1b) of the combustion chamber (1); and a housing (10) for accommodating the combustion chamber (1) and the exhaust pipe (2). In the combustion chamber, an exhaust gas supply port (3) for supplying the exhaust gas to be removed to the closed one end part (1a) side is provided, a burner (4) is provided closer to the exhaust pipe (2) side than is the exhaust gas supply port (3), and a combustion-sustaining gas supply nozzle (5) for supplying a combustion-sustaining gas is provided between the burner (4) and the exhaust gas supply port (3), or is provided closer to the exhaust pipe (2) side than is the burner (4).

The invention relates to a cooled turbine vane for a turbine engine, that comprises a blade (2) mounted on a platform (6) carried by a base (5), said blade having one or more cavities formed therein for cooling air circulation, the cavity (11) extending along the trailing edge and being supplied with cooling air by a supply duct (10) connecting an air intake (12) located in the lower portion of the base (5) and the cavity (11) of the trailing edge by defining a bend (13) within said base, characterised in that the duct (10) comprises, on an axis substantially radial relative to the air intake (12) a bell-shaped niche (14) located under the platform (6), said niche being open at the top thereof via a dusting hole (19) extending through the platform and being defined at the foot of the base (5) by walls extending substantially radially from the platform (6) in order to close it laterally.

The invention relates to the field of workpiece quenching processes, in particular to an automatic quenching oil cooling system which is provided with an oil storage tank with an opening in the upperend. The oil storage tank is connected with a cooling circulation device in the tank and a cooling circulation device outside the tank; the cooling circulation device in the tank is provided with a temporary oil storage tank; a pumping pipe A and a discharging pipe A communicate between the temporary oil storage tank and the oil storage tank; a pumping pump A is arranged on a pipe body of the pumping pipe A; the cooling circulation device outside the tank is provided with a cooling water tank and a pumping pipe B; a pipe body of the pumping pipe B is located on the outer part of the oil storage tank; a part of pipe body stretches into the cooling water tank; and a pumping pump B is arranged on the pumping pipe B. According to the automatic quenching oil cooling system provided by the invention, an active cooling mode is adopted, and heated quenching liquid is actively pumped into the cooling water tank, so that a cooling effect is ensured, the problem that a traditional cooling pipeline occupies the volume in the oil storage tank is avoided, and the automatic quenching oil cooling system has a favorable application prospect.

Provided is an aero-engine air rotational flow plasma igniter. An insulating sleeve and a supporting sleeve are installed inside a shell, the insulating sleeve is arranged on one side of a separating plate inside the shell, the supporting sleeve is arranged inside the shell, and an air chamber is formed between the outer surface of the supporting sleeve and the inner surface of the shell. An anode sleeve is sleeved at one end, provided with the supporting sleeve, of the shell. A swirler is arranged inside the anode sleeve, and the end surface of the swirler makes contact with the end surface of the supporting sleeve. A cathode installation base is arranged inside the insulating sleeve, and the end surface of the cathode installation base makes contact with a cathode binding post in a coaxial cable. The external thread end of a cathode is fixed inside the cathode installation base and sequentially penetrates through the supporting sleeve and the swirler from top to bottom, and the arc end of the cathode extends out of the lower end surface of the swirler. The aero-engine air rotational flow plasma igniter does not change the structure and the position of an electric spark igniter originally installed in an engine combustor, penetrates through the outer duct of an engine, is installed on the outer wall of the combustor vertically, improves reliability of products, and has the advantages of being small in size, light in weight, simple in structure, and convenient to use and maintain.

The invention belongs to the field of fine chemical engineering, and relates to a method of separating N-methyl pyrrolidone (NMP) from massive chloroform systems. According to the method, an azeotropic distillation tower and a NMP refining tower are used together, an entrainer is collected from the top of the azeotropic distillation tower, and refined NMP is collected from the bottom of the NMP refining tower. The method has the advantages that the vacuum degree is low, the chloroform can be well cooled therefore, by strictly controlling the temperature of the whole tower, the acidifying of chloroform is inhibited; the equipment corrosion and NMP decomposition are prevented; the separation efficiency is improved, the product recovery rate is increased, and at the same time, the service life of equipment is prolonged.

To provide a rotary tool for machining a surface.The rotary tool is preferably equipped with a rubber elastic disk (1) and machining teeth (5) where outer rims (2) are placed at intervals apart from one another, and disposed with an inclination with respect to the radial direction. Respective machining teeth (5) have dimples (8) for forming at least hinges.

The invention provides a drinking-water circulation control method and water drinking device for pet dogs. The drinking-water circulation control method includes the steps that when the pet dogs approach a water trough to drink water, the water in the water trough is stabilized, and after the pet dogs drink the water, the water left in the water trough is pumped out; the water in the water troughis pumped into a distilling device for distilled treatment, and generated steam enters a condensing device for condensation; a first water circulation assembly is arranged between a water storage tankand the condensing device, and the condensed water circulates and flows back and forth in the water storage tank and the condensing device; a second water circulation assembly is arranged between thewater storage tank and the water trough and used for allowing the water to circulate back and forth between the water trough and the water storage tank; the water storage tank is also connected witha water supplying pipe. According to the drinking-water circulation control method and water drinking device for the pet dogs, after the pet dogs drink the water, the water is purified, cleaning is convenient, the effect of real-time cleaning of the water trough is guaranteed, and dirt cannot be left in the water drinking device.

A drive mechanism for a hammer drill comprises a hollow piston 558 having a cylindrical bearing that receives a crank pin in order to cause the hollow piston 558 to reciprocate inside a spindle, Figure 25, 548. A plurality of longitudinal ridges 559 are formed on the outer surface of the hollow piston 558 to reduce the surface area of contact between the hollow piston 558 and the spindle, Figure 25, 548, and a plurality of grooves 561 are formed in the gaps between the ridges. The grooves 561 retain lubricant 558 in order to reduce frictional contact between the hollow piston 558 and the spindle Figure 25, 548.

The invention discloses an oil inlet and outlet hole of an inner cooling oil channel of a steel piston, and relates to the technical field of diesel engines and comprises a piston body, a left pin hole and a right pin hole are formed in the piston body, the oil inlet and outlet hole further comprises an oil outlet hole and an oil inlet hole, the oil outlet hole is formed in the perpendicular bisector direction of the center connecting line of the left pin hole and the right pin hole, and the included angle E formed by the axis of the oil outlet hole and the vertical direction ranges from 40 degrees to 50 degrees. The speed of engine oil flowing out of the inner cooling oil channel is reduced, and the engine oil can fully vibrate in the inner cooling oil channel to absorb heat; and the connecting rod bushing can be lubricated, and the engine oil trapping rate of steel piston oil inlet is increased.

Provided is a method for manufacturing a wound rotor or a stator (1) having more than four poles, preferably a rotor, the rotor or stator having teeth (11) provided with pole shoes (17). The method includes the following steps, for each pole: (a) producing a partial winding by winding at least one conductor over the portion of the tooth of this pole extending axially along this pole between the pole shoes of this pole and a plane (Pmin) at right angles to the axis of the pole and tangential to a pole shoe of an adjacent pole, (b) pushing back the duly produced partial winding towards the baseof the tooth, and freeing said portion (32) of the tooth having been used for the winding, and (c) repeating step (a) to produce another partial winding (20b) on the duly released portion of tooth.

The invention provides a thermal equilibrium type bipolar cell stack. A thermal equilibrium device is arranged in the thermal equilibrium type bipolar cell stack. The thermal equilibrium device comprises first flow guide plates internally provided with first channels and second flow guide plates internally provided with second channels. The plurality of first flow guide plates are respectively arranged between two adjacent groups of electrode plates in the horizontal direction and are arranged on the upper side and the lower side of the bipolar battery stack, and the plurality of second flow guide plates are respectively arranged along the insulating sealing frames of one or more groups of electrode plates in the vertical direction. The first flow guide plates and the second flow guide plates are fixedly connected so that the first channels and the second channels of the first flow guide plates and the second flow guide plates which are mutually connected can be in fluid communication,so integral fluid channels are formed in the first channels of the first flow guide plates and the second channels of the second flow guide plates. By injecting cooling fluid or heating fluid into the channels, cooling, heating and thermal equilibrium of the bipolar cell stack can be realized, so that the safety performance, the low-temperature performance and the like of the cell stack are improved.

[Problem] To provide exhaust gas treatment equipment for removing an exhaust gas by burning or pyrolyzing the same in a rational manner. [Solution] Treatment equipment (A) having: a combustion chamber (1) for removing a supplied exhaust gas by burning or decomposing the same, one end part (1a) of the combustion chamber (1) being closed; an exhaust pipe (2) for discharging the removed exhaust gas and connected to an other end part (1b) of the combustion chamber (1); and a housing (10) for accommodating the combustion chamber (1) and the exhaust pipe (2). In the combustion chamber, an exhaust gas supply port (3) for supplying the exhaust gas to be removed to the closed one end part (1a) side is provided, a burner (4) is provided closer to the exhaust pipe (2) side than is the exhaust gas supply port (3), and a combustion-sustaining gas supply nozzle (5) for supplying a combustion-sustaining gas is provided between the burner (4) and the exhaust gas supply port (3), or is provided closer to the exhaust pipe (2) side than is the burner (4).

The invention discloses a pulverizer with an air-cooled cutting disc. The air cooling disc has cutting surfaces on both sides. The cutting surface has an edge that is sharpened to cut input material when the cutting surface faces the cutting surface of the opposing disc. When the cutting surface of the fixed disk faces the housing, the cutting surface acts as a heat sink to cool the fixed disk and the milling assembly with normal air. Air inlets in the housing cover allow air to flow over the cooling surfaces of the mounting plate. Air inlets in the carrier plate allow the carrier plate to direct air flow over the rotating cooling surface. Snubbers restrict air flow across air-cooled surfaces to control the temperature of the shredder, for example during start-up.

The invention belongs to the technical field of hydraulic oil dewatering, and discloses a hydraulic oil dewatering system and method for a side thruster. The dewatering system comprises a dewatering assembly, a first valve body, a buffer cabinet, a conveying pump and an oil return pipe; the dewatering assembly comprises a treatment cabinet, a heater, a liquid inlet pipe and a water outlet pipe; the heater is arranged in the treatment cabinet and used for heating hydraulic oil in the treatment cabinet; the treatment cabinet is communicated with the side thruster through the liquid inlet pipe, and the position height of an gravity oil cabinet for supplying oil to the side thruster is higher than that of the treatment cabinet; the first valve body is arranged on the liquid inlet pipe; the treatment cabinet is communicated with the buffer cabinet through the water outlet pipe; the conveying pump is arranged on the water outlet pipe; and the buffer cabinet is communicated with the gravity oil cabinet through the oil return pipe, and the position height of the gravity oil cabinet is the same as that of the buffer cabinet. The hydraulic oil dewatering system and method for the side thruster provided by the invention can effectively dewater from the hydraulic oil, and can be selected to operate in the working state of the side thruster, so that normal work of a hydraulic system is not influenced.

The invention discloses a segment sleeve short back collapse automatic rifle, including a casing, a hand grip, a sight, firing mechanism components, rotating locked bolt impels counter components, etc. The invention is characterized in that the rifle also includes a segment sleeve transmission device, an air shock absorption device and a barrel disassembly and replace device. The segment sleeve transmission device consists of a sliding segment sleeve, a buffer spring and an energy regulation screw pair. The air shock absorption device consists of an air shock absorption piston, a barrel, the casing and a casing big nut. The barrel disassembly and replace device consists of the casing, the casing big nut, a barrel locating bolt and a demountable barrel. For a motion mass center of the segment sleeve transmission device completely coincides with a bore axis, the dynamic and recoil force transmission completely coincides with the bore axis. And the radial differentiation during the recoilforce transmission process is avoided and reduced to the utmost extend. The stability and the shoot precision of the barrel are guaranteed on fire. The invention has the advantages of large power bullet adaptability, high shoot precision, fast shooing speed, stable and reliable action, simple and reasonable structure, etc.

The invention discloses an arc extinguishing structure of a direct-current contactor. The structure comprises an arc extinguishing cover, moving contacts that make contact with or are separated from a pair of static contacts are arranged below the static contacts that penetrate through the arc extinguishing cover and are located above the arc extinguishing cover, the moving contacts and static contacts are contacted or separated to generate electric arcs and the outer side of each static contact is provided with a permanent magnet used for magnetic blow-out of the electric arc. The magnetic field directions of the permanent magnets are parallel to the direction of the center connecting line of the two static contacts, an arc extinguishing piece made of ceramic materials is arranged between each static contact and the corresponding permanent magnet on the outer side, and a side wall structure is arranged on each arc extinguishing piece and used for blocking at least part of electric arcs and / or increasing the crawling distance of the electric arcs. The side wall structure is provided with an opening through which an electric arc blows, and the opening is used for narrowing the electric arc. The area around the arc in the arc extinguishing chamber is made of the ceramic material, the arc extinguishing characteristic is increased, rapid arc extinguishing is facilitated, and the arc extinguishing performance of the direct current contactor is improved in combination with the magnetic blow-out characteristic of the permanent magnet to the arc.

The invention discloses a micro soundproof energy accumulator used for a damper. A floating piston is embedded in a work cylinder to isolate damping oil from inert gas, so that an oil cylinder and an air cylinder are formed and are independent of each other; a quick coupling is connected with an upper sealing end cap of a cylinder barrel and is connected with a rodless cavity of the damper, a prefill valve is fixedly installed in the work cylinder and forms a hydraulic energy accumulator with the floating piston, and oil in the rodless cavity of the damper is complemented and absorbed in time; a self-sealing inflating connector is connected with the inside of a lower sealing end cap of the cylinder barrel and can inflate a gas chamber with the inert gas. The micro soundproof energy accumulator overcomes the defect that flowing complementing of the damping oil is delayed, the situation that air bubbles occur in the work cylinder of the damper is avoided, and noise is lowered; the hydraulic energy accumulator is formed, impact is relieved, overall stability and reliability of the damper are improved and the service life of the damper is prolonged.

The invention provides an LNG automobile air conditioner exchanger controllable in water quantity and water temperature. A plurality of cavities with the two ends being sealed are combined in parallel to form a whole, a pipeline in each cavity extends out of the cavity in a penetrating mode to form a pipe I and a pipe II, the two ends of each cavity are provided with a port I and a port II respectively, and the pipe II and the port I of the cavity I serve as a water outlet and a gas inlet respectively. The connecting mode of the cavity I and the cavity II is that the pipe I of the cavity I is connected with the port I of the cavity II in series, and the port II of the cavity I is connected with the pipe I of the cavity II in series. The pipe II of the cavity III is connected with the pipe I of the cavity II in series, the port I of the cavity III is connected with the port II of the cavity II in series, for the rest cavities, the ports I are connected with the ports II correspondingly, the pipes I are connected with the pipes II correspondingly, the port II at the tail end serves as a water inlet, and the pipe I at the tail end servers as a gas outlet. A branch port I is additionally formed in the end face of the cavity II. LNG enters the exchanger, cold energy recovery can be conducted on the LNG with the low temperature being -150 DEG C, heat exchange is conducted through internal circulating water, the circulating water is circulated through a water pump, and refrigeration is conducted immediately after the circulating water flows through the exchanger.

The invention provides a drinking water cycle control method for pet dogs and a water dispenser. When the pet dog drinks water near the water tank, the water in the water tank becomes static. After the pet dog drinks the water, the remaining water in the water tank The water is pumped away; the water in the drinking tank is pumped into the distillation device for distillation treatment, and the generated steam enters the condensation device for condensation; the first water circulation component is set between the water storage tank and the condensation device, and the condensed water flows between the water storage tank and the condensation device. The reciprocating circulation flow in the middle; the second water circulation component is arranged between the water storage tank and the drinking water tank, which is used for the reciprocating circulation of water between the drinking water tank and the water storage tank; the water storage tank is also connected with the water supply pipeline. The circulation control method for drinking water for pet dogs and the water dispenser provided by the present invention make the water quality clean after the pet drinks, and the cleaning becomes convenient, ensures the effect of immediate cleaning of the drinking water tank, and makes it difficult for dirt to remain in the drinking water device.

The invention relates to a blade of a turbomachine guide vanes assembly, which blade is equipped with a cooling system comprising an insert (22) arranged inside an internal cavity (24) of the said blade, connected to an inlet (26) for blade cooling air and designed to cool the surface of the internal cavity (24) of the blade, a bleed device configured to bleed some of the cooling air inside the insert (22) and designed to convey it to a central hub of the turbomachine. The bleed device comprises a bleed head (30) arranged in the internal cavity (24) of the blade and passing through an opening(34) of the insert, and configured to bleed some of the cooling air inside the insert (22).

The invention relates to a container data center, which comprises a container and a plurality of machine frames accommodated in the container, wherein the container is provided with a plurality of air openings, each air opening is provided with a flow guide cover, each flow guide cover comprises an air inlet and an air outlet with the cross section being smaller than that of the air inlet, and the air outlets of the flow guide covers are connected with air openings of the container. The container data center has the advantages that each air guide cover with the air inlet greater than the air outlet is arranged at the outer side of the container, and the pressure of the air inlet is greater than the pressure of the air outlet, so the flow speed of cold air flows is accelerated, and a server far away from the air openings of the container is favorably cooled.

The invention discloses an internal grinding wheel and an internal cooling system. The internal grinding wheel comprises a sandwich grinding wheel, a liquid supply end, a main shaft, a liquid discharging end, a flow regulating device and an automatic flow direction regulating device, wherein the sandwich grinding wheel consists of grinding rings and isolating rings which are alternately arranged; the isolating rings do not involve with grinding; the liquid supply end comprises a retainer ring, a sealing ring and a liquid supply ring; the liquid supply ring has clearance fit with the main shaft and is axially located by the retainer ring; the liquid discharging end comprises a shaft sleeve small hole, an isolating ring liquid flowing passage and a liquid discharging passage; the main shaft is communicated with the liquid supply end and the liquid discharging end; the flow regulating device comprises a key, a shaft sleeve and a shaft sleeve key slot; the flux and pressure of grinding liquid can be regulated by regulating the circumferential position of the shaft sleeve and the circumferential position of the main shaft; the automatic flow direction regulating device comprises a switch piston and a spring; the automatic flow direction regulating device can be controlled to start or stop by a piston dome on the switch piston, so that automatic regulation on liquid flow direction is realized. The internal grinding wheel disclosed by the invention has the advantages of efficiently utilizing the grinding liquid, reducing the grinding temperature and improving the grinding quality.

The invention provides an electromagnetic fixed power cabinet based on wind power generation, and relates to the technical field of power reactive compensation. The electromagnetic fixed power cabinetcomprises a cabinet body, wherein an air inlet is formed in the bottom of the outer side of the cabinet body, a bracket is fixedly connected to the inner wall of the bottom of the cabinet body and close to the middle of the air inlet, conductive blocks are fixedly connected to the inner wall of the bracket, a rotating shaft is movably connected to the middle of the bracket, a fan is movably connected to the outer side of the rotating shaft, electric connection blocks are fixedly connected to the middle of the rotating shaft, and evenly-distributed connecting blocks are fixedly connected to the left side of the outer side of the rotating shaft. According to the electromagnetic fixed power cabinet based on wind power generation, through cooperative use of the electromagnets and the magneticblocks, when the cabinet body is subjected to wind power, the generated current is gradually increased along with increase of the wind power, so that the magnetism generated by the electromagnets isalso increased, the magnetic blocks are subjected to larger magnetic attraction force, and the clamping effect of the clamping blocks and the clamping grooves is improved so as to effectively ensure the stability of the cabinet body and effectively ensure the stable operation of devices in the cabinet body.

The invention relates to a blade of a turbomachine deflector assembly, the blade being equipped with a cooling system comprising an insert (22) arranged in an inner cavity (24) of said blade, and a discharge means, The insert is connected to the inlet (26) for the cooling air of the blade and is designed to cool the surface of the inner cavity (24) of the blade; Some of the cooling air is exhausted and is designed to send some of this cooling air to the central hub of the turbine. The discharge device comprises a discharge head (30) which is arranged in the inner cavity (24) of the blade and passes through the opening (34) of the insert and which is configured to transfer the cooling air in the insert (22) Some of the air is expelled.

An excitation system (15) is disclosed for providing excitation to a main rotating electrical machine (2). The excitation system comprises an exciter (50) and an auxiliary generator (52). The exciterand the auxiliary generator have separate stator cores (14, 18) and share a common rotor core (16). The common rotor (16) core may be located between the two stator cores (14, 18). This may help to optimize space, improve material usage and reduce the total rotating mass. A mounting arrangement for the common rotor core is also disclosed.