46results about How to "Increase the passing area" patented technology

The present invention relates to a switch magnetic valve, which is taken as a pre-control valve to generate and control pressure in vehicle pneumatic braking system, wherein the switch magnetic valve comprises a first passage, used for introducing compressed-air into the switch magnetic valve or export compressed-air from the switch magnetic valve; a second passage, used for introducing compressed-air into the switch magnetic valve or export compressed-air from the switch magnetic valve; a valve chamber including a valve seat for selectively release and break off compressed-air stream; and a valve core, provided with an outer housing surface and a hole used let the compressed-air pass through. According to the invention, the valve chamber (32) is provided with a flow path (28); the flow path (28) neighbors with housing surface (70) of the valve core (24); the flow path (28) is formed by at least one gap on housing surface (70) of the valve core (24) in preference.

The invention discloses a ventilating slot structure of a generator rotor. The ventilating slot structure of the generator rotor comprises a slot bottom filler strip, a rotor winding, a filler strip under a wedge, a damping winding and a rotor slot wedge, wherein at least one channel forming radial ventilating with a vent hole is axially formed in the rotor winding, any two adjacent copper rows form the channel in the axial direction of the rotor winding, an air inlet in the lower part of the channel is slantly distributed in the direction of cooling air, a ventilating duct with an S-shaped cross section is at least arranged at the upper part of the channel, a plurality of copper wires in the axial direction of the copper rows at the upper part of the channel are distributed in a staggered manner, and any two adjacent copper rows form the S-shaped vent duct in the axial direction of the rotor winding. The air inlet in the lower part of the channel is slantly distributed in the direction of the cooling air, so that the air intake resistance of the air inlet of the channel is effectively reduced, the air intake flow rate of the cooling air entering the channel is increased, the cooling air entering through the air inlet in the lower part of the channel enters the S-shaped vent duct to form turbulent flow, so that the ventilating and cooling effects are greatly improved.

The invention discloses a chemical waste gas spraying and washing treatment tower, and belongs to the technical field of waste gas treatment. The tower comprises a first treatment tower, a second treatment tower, a third treatment tower and a PLC, and third electromagnetic valves are arranged at the lower parts of the right ends of the first treatment tower, the second treatment tower and the third treatment tower; particle filtering layers are arranged at the upper parts of the right ends of the first treatment tower, the second treatment tower and the third treatment tower; an air pump is arranged on the left side of the first treatment tower; the air pump is electrically connected to the PLC; an extraction pipe is fixed at the extraction opening of the air pump; a first exhaust pipe isfixed at the exhaust port of the air pump; the other end of the first exhaust pipe extends into the first treatment tower, a pH sensor is fixed to the inner wall of the first exhaust pipe, the pH sensor is electrically connected to the PLC, a first electromagnetic valve is installed on the first exhaust pipe, corresponding treatment can be conducted conveniently according to the pH value of wastegas, and the treatment effect is good.

The invention discloses a chip processing chamber liner and a chip processing chamber comprising the liner. The invention comprises a inside wall and a lateral wall , the inside wall l is connected with the lateral wall through a screen board, and the shield plate is obliquely connected with the sidewall. The slope area has obvious increment compared with that of the plane area, therefore a slope structure can increase the quantity or the area of the shield openings , namely, the slope structure can increase the passing area of airflow. According to requirements, the inclined angle of the shield plate and the direction of the shield opening can be chosen, so as to reach the purpose of the uniformity of airflow field on the surface of the chip. The invention is mainly applied in the semiconductor chip processing chambers, and also is applied in other similar cavities.

The invention provides an adjustable ICU auxiliary breathing device, and relates to the technical field of medical instruments. The adjustable ICU auxiliary breathing device comprises a support frame;the top end of the support frame is fixedly provided with a control panel; the front end of the control panel is fixedly connected with an air tube; the end, away from the control panel, of the air tube is fixedly connected with a transition tank; the other end of the transition tank communicates with a respirator; and an upper connecting base and a lower connecting base are fixedly installed atthe upper end and the lower end of the transition tank respectively. The adjustable ICU auxiliary breathing device realizes adjustment of the tidal volume by controlling the speed of a motor, is highin adjusting precision and high in response speed, improves the comfort of a patient, can automatically relieve pressure to avoid air pressure injury caused by overlarge tidal volume, and can stir internal air to avoid uneven distribution of air inhaled by the patient and avoid the phenomenon of dyspnea of the patient when a ventilator is abnormally stopped.

The invention discloses a composite system formed by a gas water heater and an air source heat pump. The composite system structurally comprises the gas water heater and the air source heat pump; a water outlet of the air source heat pump is connected with a water inlet of the gas water heater, and a water outlet of the gas water heater is provided with a temperature sensor and is connected to a user side; an exhaust pipe of the gas water heater is connected to a heat exchange coil pipe, and refrigerants of the air source heat pump pass through the heat exchange coil pipe and then flow into an evaporator; a casing pipe is arranged on the outer side of the evaporator; a four-way valve is arranged on an inlet of the casing pipe and is connected to an exhaust outlet of the heat exchange coil pipe, an inlet of the casing pipe, a first ventilation pipe and a second ventilation pipe; and an air blower is arranged on the second ventilation pipe, and a plurality of turbulent flow plates are arranged in the casing pipe. The composite system can overcome shortcomings in the prior art, and the waste heat utilization rate of high-temperature tail gas is improved, and meanwhile the structure of a defrosting device is simplified; and reliability of running of equipment is improved.

The invention relates to a safe fixing mechanism of a building fire escape forced landing device. The safe fixing mechanism comprises a box body and a fixing rod. The fixing rod is arranged in the boxbody and is in sliding connection with the box body. One end portion of the fixing rod is provided with a locking part. The box body is internally provided with a sliding passage and a locking groove, wherein the sliding passage is in sliding connection with the locking part, and the locking groove is arranged at one end of the sliding passage and is used for forming a locking mechanism togetherwith the locking part. A shell of the box body is provided with a hole communicating with the locking groove. The fixing rod is in sliding connection with the hole wall of the hole. When the locking part is locked with the locking groove, the fixing rod is pulled out and arranged outside the box body, and forms an anchor-shaped mechanism together with the box body to increase the passing area of the building fire escape forced landing device. Therefore, the building fire escape device can move flexibly, and more fixing structures are added to be connected with indoor fixed objects at the sametime to improve the safety performance of the building fire escape device.

The invention discloses an eccentric air door system of an automobile air conditioner, comprising an air conditioner box body and an air conditioner air door arranged in the air conditioner box body,wherein a heat upper limiting table, a heat lower limiting table, a cold upper limiting table and a cold lower limiting table are arranged in the air conditioner box body, and the air conditioner airdoor is of a curved structure and comprises a hot air plate and a cold air plate; the hot free end of the hot air plate moves steplessly between the heat upper limiting table and the cold upper limiting table; the cold free end of the cold air plate moves steplessly between the heat upper limiting table and the cold upper limiting table, and the hot rotating end of the hot air plate is connected to the cold rotating end of the cold air plate to form a plate-plate connecting part; the two ends of the plate-plate connecting part are connected to the bottom of the inner wing plate and the bottomof the outer wing plate respectively, the top of the inner wing plate and the top of the outer wing plate are hinged to one end of an inner rotating shaft and one end of an outer rotating shaft respectively, the other end of the inner rotating shaft is connected to a bottom shell, and the inner wing plate, the outer wing plate and the plate-plate connecting part form a concave expanding air duct.Through the design, the passing area of a hot air channel can be increased, and a temperature rising speed is high.

The invention relates to the technical field of the filling cabin, and particularly discloses a loading device of a powder-like seasoner. The loading device of the powder-like seasoner comprises a rack and a cone hopper. The hopper is installed at the upper end of the rack. The loading device of the powder-like seasoner further comprises an elliptic material box and a press roller. The rack is internally provided with a circular containing chamber. The material box is rotatably connected to the rack and is positioned in the containing chamber. The long end of the elliptic material box is tangent with the inner wall of the circular containing chamber. Two long ends of the material box are provided with a feed port and a discharge port. Each of the feed port and the discharge port is provided with a one-way valve. The upper end of the containing chamber is provided with a feeding opening, and the lower end of the containing chamber is provided with a discharging opening. The press roller is rotatably connected to the rack and is positioned in the material box. The roll surface of the press roller is tangent with the short end of the inner wall of the elliptic material box. The press roller and the material box are capable of, through using the coordination of circular and elliptic reversing rotation, realizing the crushing and sorting of the material, improving the granularity of the material, avoiding the blocking of a cup caused by accumulated material block on the one hand, and improving the taste of the food on the other hand.

The invention relates to a steel-making dedusting ash filter. The steel-making dedusting ash filter comprises a transporting dust-absorption vehicle dust-absorption hose, a main pipe dedusting ash pipe, a main pipe dedusting ash cleaning bin door, a main pipe, a dust-absorption hose joint, a dust-removing pipe joint, a main pipe dedusting ash filter net storing groove, and a main pipe dedusting ash filter net, the transporting dust-absorption vehicle dust-absorption hose is connected with the dust-removing pipe joint of the main pipe dedusting ash pipe through the dust-absorption hose joint, the main pipe dedusting ash pipe is connected with the main pipe, the main pipe dedusting ash cleaning bin door is arranged between the main pipe dedusting ash pipe and the main pipe, and the main pipededusting ash filter net storing groove is formed in the lower portion of the main pipe dedusting ash cleaning bin door. The area of dedusting ash passing is increased through the filter net, the larger parts of the discharged dedusting ash particles is filtered by using the gravity, the large-particle dedusting ash accumulated in the filter net is detected and cleaned up through a moving bin door, and the steel-making dedusting ash filter is simple in structure, convenient to repair and use, and low in manufacturing cost.