18results about How to "Increase exhaust" patented technology

The utility model discloses a regulating valve and cooking utensil, the regulating valve includes valve body and valve seat, the valve seat is equipped with the air inlet hole, at least part of valve body is located in the valve seat, the valve body is equipped with the first air outlet hole and the second air outlet hole of interval arrangement, the regulating valve still includes the supplementary airflow channel, the first air outlet hole is linked together with the air inlet hole, and the second air outlet hole is linked together with the air inlet hole through the supplementary airflow channel. The regulating valve of utility model embodiment is good in spill-proof effect, and high in safety.

This utility model relates to the field of cabinet technology and discloses a cabinet door with a ventilation function. The cabinet door includes a cabinet body on its rear side and a handle on its front side. A ventilation box is installed at the top of the cabinet body. A push plate is movably fitted inside the ventilation box. An air cylinder piston is connected to the rear side of the push plate, and a spring is connected to the front side of the air cylinder piston. The front end of the spring is connected to the front side of the ventilation box's inner cavity. An air blowing pipe is connected to the rear side of the bottom of the ventilation box, and an exhaust port is opened on the front side of the air blowing pipe. This cabinet door with a ventilation function, with its push plate, air cylinder piston, spring, air blowing pipe, and exhaust port on the rear side, allows the push plate to move backward when the cabinet door closes the front side of the cabinet body. This moves the air cylinder piston, causing the air in the ventilation box to be blown out from the front side of the cabinet body through the air blowing pipe and exhaust port, facilitating the ventilation of the cabinet body and reducing humidity and odors.

The invention relates to the field of evaporators, in particular to an evaporator assembly of a marine air conditioner, which comprises a frame body and a snakelike calandria, and the snakelike calandria is arranged in the frame body and is used for enabling a refrigerant in the calandria to absorb heat and evaporate, taking away heat of surrounding air and water and realizing refrigeration and cooling; the liquid inlet pipe is arranged at the input end of the snakelike calandria and used for conveying a refrigerant into the snakelike calandria and providing a medium for refrigeration heat exchange; the embedded piece is arranged on the outer side of the snakelike calandria and used for positioning the fins and transmitting heat between the snakelike calandria and the fins at the same time; the fins are connected to the embedded pieces in a clamped mode and used for increasing the heat exchange area of the snakelike calandria, accelerating transfer of heat in air to the cooling calandria and improving the overall refrigeration efficiency, the evaporator assembly of the marine air conditioner can automatically trigger the impurity clearing and scraping action before the fins are disassembled, residual impurities on the top of an inner cavity of equipment are cleared away, and the overall refrigeration efficiency is improved. And the problem that the fins are stuck due to friction of impurities during disassembly is effectively avoided.

The utility model discloses waterfowl shell compression molding equipment, and particularly relates to the technical field of waterfowl shell molding equipment.The waterfowl shell compression molding equipment comprises a main frame, a compression assembly, a mold assembly and a controller, the main frame comprises a top frame, a bottom frame and two side plates, and two first positioning clamping plates are installed on the bottom face of the top frame in a sliding mode; two second positioning clamping plates are installed on the top face of the bottom frame in a sliding mode, the pressing assembly comprises two arc-shaped pressing plates, a plurality of air cylinders are evenly arranged on the two side plates correspondingly, and the telescopic ends of the air cylinders are fixedly connected with the two arc-shaped pressing plates correspondingly; a plurality of electric heating bars and a temperature detector are arranged in each arc-shaped pressing plate in a penetrating mode, the opposite surfaces of the two arc-shaped pressing plates are matched with the outer wall of the mold assembly, and an injection port and an exhaust port are formed in the top of the mold assembly. According to the utility model, the die is vertically placed, so that the good exhaust effect can be ensured, the product quality is improved, and the density of the pressed waterfowl shell is relatively uniform.

This utility model belongs to the field of clutch repair technology, specifically relating to a rapid clutch bleed device, including a reservoir. The upper end of the reservoir is fixedly connected to a cover plate via screw holes and bolts. The cover plate is fixedly connected to the bottom end of a mounting box, and an oil pump is fixedly installed inside the mounting box. The oil pump of this utility model draws clutch brake fluid from the reservoir, allowing it to be delivered to the clutch booster via an oil outlet pipe and a conversion connector. From there, it is reversed through the clutch oil circuit system to the clutch cylinder, and then transferred to the clutch reservoir. Utilizing the principle of upward air movement, under the pressure of the clutch brake fluid, all air in the clutch booster, clutch cylinder, and clutch oil circuit is bleeded into the clutch reservoir. This allows for rapid clutch bleed operation, ensuring good bleed effect, thereby significantly reducing bleed time and improving clutch repair efficiency.

The utility model discloses an oil -free air compressor, including compression cylinder body, drive shaft, drive mechanism and compression mechanism, wherein, a plurality of parallel primary compression cavity are equipped in the compression cylinder body, the compression mechanism includes a plurality of first compression mechanism, a plurality of first compression mechanism with a plurality of primary compression cavity one -to -one corresponds, a plurality of first compression mechanism is used for to a plurality of primary compression cavity in the air compression simultaneously, through setting a plurality of primary compression cavity, has improved the first stage's air -intake capacity and compression processing capacity, can effectively disperse compression load and reduce compression temperature, simultaneously, a plurality of primary compression cavity parallel can effectively promote the stability of the later stage compression to make the oil -free air compressor complete unit's exhaust capacity, energy efficiency, operation stability and system reliability all get the promotion, help to prolong the service life of equipment and reduce operating cost.

This invention relates to the field of air conditioning technology, specifically to a fresh air module and a fresh air air conditioner. The fresh air module includes a fan, a first chamber, and a second chamber. The first chamber is connected to the air inlet of the fan, and the second chamber is connected to the air outlet of the fan. The first chamber has a fresh air inlet and a first stale air inlet, and the second chamber has a fresh air outlet and a stale air outlet. Both the fresh air outlet and the first stale air inlet are connected to the interior, and both the fresh air inlet and the stale air outlet are connected to the exterior. A second stale air inlet is located on the side wall of the fresh air outlet and is connected to the first chamber. Valves are provided at the inner end of the fresh air outlet, the fresh air inlet, the first stale air inlet, the stale air outlet, and the second stale air inlet. The fresh air module and fresh air air conditioner provided by this invention have high extraction efficiency, fast indoor air renewal speed, excellent exhaust effect, reasonable structural space utilization, and are more aesthetically pleasing.

This invention discloses a precise differential pressure control system and method for clean areas in pharmaceutical production workshops, including a supply fan, an exhaust fan, a return air volume detection device, an air volume control valve, a differential pressure gauge, a gas flow meter, an angle sensor, and a monitoring module. The monitoring module stores a preset pressure range and a preset adjustment time for each clean area. When the monitoring module detects that the actual pressure value of the clean area is outside the preset pressure range, it generates a corresponding control command based on the magnitude of the deviation and the preset adjustment time. The control module receives the control command and adjusts the speed of the exhaust fan and the opening of the air volume control valve accordingly. This invention achieves intelligent adjustment of clean room pressure by controlling the air volume of the clean room through the monitoring module. Furthermore, the monitoring module can intelligently adjust the speed of the exhaust fan according to the actual pressure, thereby achieving rapid adjustment of the negative pressure clean room pressure.

The present application belongs to the technical field of lithium battery, especially to a method for testing electronic conductivity of solid electrolyte. The steps of the present application are as follows: S1, preparing solid electrolyte sheet: taking solid battery material and placing it in a mold, then pressurizing and pressure maintaining the mold, obtaining the solid electrolyte sheet and measuring its thickness and bottom diameter; S2, conductivity test: pretreating the solid electrolyte sheet, then using a constant potential instrument to measure the direct current polarization of the solid electrolyte sheet under step voltage of 0.1 V, 0.2 V, 0.3 V, 0.4 V and 0.5 V, respectively, to obtain current data under constant voltage polarization; S3, data processing: drawing the direct current polarization curve and the equilibrium current response curve under step voltage by using the obtained current data, and calculating the electronic conductivity of the solid electrolyte sheet. The method of the present application is simple in testing, short in testing time and reliable in data.

The application discloses a bubble-removing and exhausting mechanism of an injection mold, and relates to the technical field of mold exhaust, which comprises a mold body, a pair of exhaust channels, and a cooling box. The mold body is firmly installed on an injection table. The pair of exhaust channels are provided through the bottom region of the mold body. The cooling box is installed on the injection table and is located below the mold body. Two independent cooling cavities are formed in the cooling box. A cooling assembly is fixedly installed in each cooling cavity. The application adopts a two-channel exhaust design controlled in stages, realizes flexible switching between single-cooling assembly operation and double-cooling assembly operation at the same time, meets the processing demand of a small amount of gas in the initial injection stage, can greatly improve the exhaust capacity by simultaneously opening the two channels in the late injection stage, avoids long-time overheating of a single component, and thus guarantees the continuous operation efficiency of the device as a whole and the service life of the cooling assembly.

The semiconductor device includes a channel layer, a barrier layer on the channel layer and including a material having an energy band gap different from an energy band gap of the channel layer, a gate electrode layer on the barrier layer and extending in a first direction, a gate semiconductor layer disposed between the barrier layer and the gate electrode layer, and a source electrode and a drain electrode connected to the channel layer and spaced apart from the gate electrode layer in a second direction different from the first direction, wherein the gate semiconductor layer includes a gate semiconductor material layer disposed on the barrier layer, and an oxide layer disposed between the gate semiconductor material layer and the gate electrode layer.

The application discloses a new energy mine card water cooling machine shell low-pressure casting mold and a casting process, an annular pressure storage cavity is formed above the parting surface of the upper mold steel core and the bottom mold steel core on the upper mold steel core, an upper mold water cooling cavity is formed in the upper mold steel core, a bottom mold water cooling cavity is formed in the bottom mold steel core, a plurality of feeding risers are arranged on the top of the upper mold steel core, a plurality of positioning seats are uniformly arranged on the outer side of the mold steel core on the bottom mold, a positioning sliding plate is slidably arranged in the opening of the positioning seat, a pushing mechanism is used for driving the positioning sliding plate to ascend and descend, and four pouring gates are arranged in the 45-degree direction of the bottom mold sand core positioning. The mold structure is designed in three layers of feeding and cooperates with two layers of chilling scheme, the product height is divided into two by the feeding of the middle two layers, the feeding effect is improved, and the casting problem of insufficient feeding distance of the product with high height is solved; the positioning sliding plate of the sand core positioning can automatically ascend and descend, the feeding of the casting liquid is avoided, and the finished product quality of the casting is improved.

The present application provides a vacuum pump with excellent exhaust performance. The vacuum pump is provided with a Seeburg type exhaust mechanism portion (201) provided with a Seeburg spiral groove portion (262) on at least one of a rotating circular plate (220a-220c) and a fixed circular plate (219a, 219b), a Holweck type exhaust mechanism portion (301) provided with a threaded groove (131a) on at least one of a cylindrical portion (102d) of a rotating body (103) and a threaded spacer (131), the Holweck type exhaust mechanism portion (301) being arranged on a downstream side of the Seeburg type exhaust mechanism portion (201), and the vacuum pump is characterized in that a flow path depth of the Holweck type exhaust mechanism portion (301) is continuously constant at a predetermined depth (H2), and the Seeburg type exhaust mechanism portion (201) has an area continuously constant at the predetermined depth (H2) from a predetermined position.

The application belongs to the technical field of air supercharging and provides a machine head of a piston type full-oil-free supercharger, which comprises a body and at least one cylinder arranged along the radial direction of the body, the body and the cylinder are arranged as a hollow chamber structure surrounded by a side wall, the cylinder comprises a first cylinder, a second cylinder, a third cylinder, a fourth cylinder, a fifth cylinder and a sixth cylinder, wherein the first cylinder, the second cylinder, the third cylinder and the fourth cylinder, the fifth cylinder and the sixth cylinder are arranged to be uniformly distributed along the radial central axis of the body, and the axes of the first cylinder and the fifth cylinder coincide as a straight line, and the axes of the second cylinder and the sixth cylinder coincide as a straight line. The application adopts a six-cylinder design, has strong power balance, low vibration, large heat dissipation area, high exhaust volume and efficiency, and can easily realize a multi-stage compression structure to provide high supercharged gas.

The utility model belongs to the field of agriculture, concretely is a kind of agricultural greenhouse exhaust device, including fan;The air inlet end of the fan is detachably installed with flexible air pipe by flange plate, one end of the flexible air pipe away from fan is fixedly connected with pipe seat, the both ends of the pipe seat are all installed with multiple negative pressure pipes, two adjacent negative pressure pipes are interconnected, the bottom of the negative pressure pipe is installed with air inlet, in use, multiple negative pressure pipes are interconnected, and the negative pressure pipe located at end portion is sealed using plug, negative pressure pipe is installed in the inside of big -arch shelter, when needing forced exhaust, fan is transported to big -arch shelter planting area, staff connects between fan and flexible air pipe by flange plate, then fan starts and generates negative pressure, negative pressure passes through negative pressure pipe and lower air inlet, to distribute negative pressure in the inside of big -arch shelter, to improve the uniformity of big -arch shelter air inlet, to reduce the use amount of fan, facilitate staff to exhaust big -arch shelter.