33results about How to "Will not hinder circulation" patented technology

The invention discloses a built-in porous heater. An integrated heating core is formed by circularly penetratingly winding a helical heating unit in a heating unit framework which is formed by closely arranging seven porous boron nitride tubes. The integrated heating core and a transitional leading out component are packaged in an armored casing and kept insulated from the shell. The heating body is connected with an outer lead line via a transition line, the transition line is in insulation protection with a joint of the outer lead line, and the joint, a thin tail end of a reducer tube and the outer lead line are fixedly sealed in a leading out section, so that integration between a heating element and a propelling chamber is realized. The built-in porous heater is applicable to heat control of an attitude and rail control propelling system for aerospace crafts, propellant medium utilized by an electric heating propeller passes through the built-in porous heater to directly contact with meshed porous electric heating materials so as to be heated up quickly, and the integrated heating core is high in heat exchange efficiency and low in power density. Electric heating performance, insulating performance and assembly performance of the built-in porous heater can meet requirements of the aerospace department.

Disclosed is an oil pan structure for an engine. The internal space of the oil pan structure is divided into a first engine oil storage chamber and a second engine oil storage chamber by a cylindrical engine oil channel body. A circulating port is arranged between the engine oil channel body and the oil pan to make the engine oil circulate between the first engine oil storage chamber and the second engine oil storage chamber. The opening size of the circulating port can be adjusted according to the operating state of the engine. A minimum opening size is ensured for incomplete obstruction of the circulation of the engine oil in the circulating port. Therefore, the time for the operation of the heating of turbine can be shortened when the engine is in the refrigerating state, with reduced oil consumption, and the temperature of the engine oil can rise rapidly. The fuel cut-off phenomenon during the time when the engine speed rises sharply can be avoided.

The invention discloses an air purifier with a dehumidification function. The air purifier comprises an air purification channel, wherein an electrostatic precipitation device, a heat exchange condensation device and a dehumidification device are sequentially arranged in the air purification channel in an air inlet direction; the dehumidification device comprises a dehumidification wheel with a regeneration area and a regeneration device butted and communicated with the heat exchange condensation device to form an internal circulation channel; the regeneration device comprises a housing, a heating device arranged in the housing and used for heating air entering the housing, and a fan used for reversely conveying the heated air through the regeneration area and conveying the heated air intothe heat exchange condensation device. The air purifier disclosed by the invention comprises the electrostatic precipitation device, passing air can be ionized to generate a small amount of ozone, and ozone is capable of degrading TVOC in air as a strong oxidant. Then the moisture of air is removed through the dehumidification wheel, the regenerated gas carries out heat exchange with purified fresh air, the carried water vapor is condensed into water for being drained, and the temperature of the fresh air is increased, so that complete degradation for ozone is ensured.

The invention relates to a constant-humidity and constant-cleanness air treatment combined air cabinet. The constant-humidity and constant-cleanness air treatment combined air cabinet comprises a machine body; an outdoor air cavity is formed in one end of the machine body, and is divided into an air sucking cavity and an exhaust cavity through an isolation plate; an air sucking port is formed in the air sucking cavity; and an exhaust port is formed in the exhaust cavity. The constant-humidity and constant-cleanness air treatment combined air cabinet is characterized in that a total heat exchanger cavity is formed in one side of the outdoor air cavity; a filter cavity is formed in one side of the total heat exchanger cavity; a fresh air cavity is formed in one side of the filter cavity; a humidifying module is arranged in the fresh air cavity; indoor air cavities are formed in one ends of the filter cavity and the fresh air cavity; air extracting ports are formed in the indoor air cavities; and a filter device is detachably connected into the filter cavity. The invention aims to provide the constant-humidity and constant-cleanness air treatment combined air cabinet with high stability, excellent filter performance and fast efficiency.

The invention discloses a fuel cell energy recovery system and a control method.The fuel cell energy recovery system comprises a recovery unit, a fuel reaction unit and a cooling unit, the recovery unit comprises a primary recovery module and a secondary recovery module, and the primary recovery module comprises a primary expansion end, an air compressor and a second sensor; the primary expansion end is an electric adjustable expansion end, so that the system can effectively recover energy in tail gas of the fuel cell at low-speed, medium-speed and high-speed stages, the secondary recovery module comprises a secondary expansion end, a generator and a first sensor, and the cooling unit comprises a third sensor. The invention also discloses a control method of the fuel cell energy recovery system. The fine management of the energy of the whole system can be realized through a sensor in the system and a special structural design.

The invention provides an auxiliary occlusion device used for aortic valve insufficiency. The auxiliary occlusion device comprises a positioning mechanism and an auxiliary occlusion piece arranged atthe near end of the positioning mechanism; the positioning mechanism is fixed in an aorta in a released state, so that the auxiliary occlusion piece is located between aortic valves. The auxiliary occlusion device provided by the invention can assist the aortic valves in occluding pores between the aorta and a left ventricle in the case of the aortic valve insufficiency so as to reduce or avoid that blood flows back through the aortic valves, and when ventricles contract, the auxiliary occlusion device cannot block flowing of the blood in the aorta.

The invention discloses an air energy heat pump based on the Internet of Things and belongs to the field of air energy heat pumps. The purpose of self dust removing is achieved by changing a purification net in front of an existing fin type heat exchanger, the influence of dust on the fin type heat exchanger is effectively reduced, long-term stable operation of equipment is ensured, air is filtered through a filter, large-particle impurities are effectively prevented from being accumulated on the fin type heat exchanger, an air flow monitor is arranged in the air energy heat pump to monitor the circulation amount of air according to the existing Internet of Things technology, a signal can be sent to a user after the filter is blocked by dust, the user can make the filter rotate through remote control, a cleaner is arranged to be close to the filter in an inflating manner, so that the filter is cleaned, the purpose of self-cleaning is achieved, the trouble of manual cleaning is saved, the maintenance cost is saved, and the air energy heat pump is particularly suitable for being mounted in spaces such as high-rise spaces and narrow spaces where operation is not convenient.

The invention discloses rapid packaging mechanical equipment. The rapid packaging mechanical equipment comprises a production lien, a fixing bracket and a packaging machine. The middle of the production line is provided with the fixing bracket. The fixing bracket is arranged on the production line in a welded manner. The packaging machine is arranged at the lower end of the middle of the fixing bracket and movably connected to the fixing bracket. The lower end of the production line is provided with a support. The support is arranged on the production line in a welded manner. The two sides ofthe production line are each provided with a vertical beam. The vertical beams are arranged on the production line in a welded manner. A cross beam is arranged in the middles of the vertical beams andmovably connected to the vertical beams. According to the rapid packaging mechanical equipment, neatening devices are arranged at the right side of the production line and fixedly connected to the production line; the two neatening devices are arranged at the two sides of the production line in a parallel manner; by means of the neatening devices, products obtained after packaging is completed can be neatened and prevented from falling off due to disordered placement; and the problems that existing design products are placed on a production line disorderly and are likely to fall off, so thatlosses are caused are solved.

The invention discloses a rotary traction short section, and belongs to the field of drilling engineering equipment. The rotary traction short section comprises centralizers and a mandrel. Two ends ofthe centralizers are correspondingly and fixedly connected with one ends of two centralizer bushings, the other ends of the two centralizer bushings are correspondingly and fixedly connected with themandrel, and the centralizer bushings are connected with the mandrel through splines. The lower part of the mandrel is in threaded connection with a lower joint; the lower part of the lower joint isin threaded connection with a drill string; radial bosses are correspondingly arranged at the left ends and the right ends of the centralizer bushings; and the centralizer bushings are divided into upper parts and lower parts along an axial symmetrical surface, and the upper parts and the lower parts are correspondingly connected with two centralizers. According to the rotary traction short section, the assembling relation between a conventional centralizer and the mandrel can be changed, sliding friction resistance between the centralizers and the well wall is changed into rotating friction resistance, and the effect of reducing friction resistance can be achieved; and the eccentric centralizer can be used for unclamping during clamping and burying.

The invention discloses a flowerpot with an air purification function. The flowerpot comprises a pot body, wherein a soil storage bin for planting plants is arranged on the upper portion of the pot body, an air inlet is formed in the bottom of the pot body, and an air inlet channel for communicating the soil storage bin with the air inlet is formed in the pot body; and an air blower is arranged inthe air inlet channel and used for delivering air to the soil storage bin. The flowerpot can adsorb solid particles, formaldehyde and benzene in indoor air and can accelerate circulation of air in the flowerpot, so that the efficiency of absorbing indoor air pollutants is improved.

The invention relates to a high-power LED street lamp. One end of a lamp housing (1) is fixedly connected with an electrical store (2), and the lamp housing (1) is a W-shaped slot. Two slopes in the shapes like a reversed V are symmetrically arranged on the center of the lamp housing (1), one LED reflector cup (3) is arranged on each of the two slopes, and the rear of the lamp housing (1) is provided with cooling fins (1c). With the advantages of simple structure, unique design and easy installation, the high-power LED street lamp is characterized in that the LED reflector cups have uniform light distribution performance and are arranged on both sides of the lamp housing so that light of the street lamp does not have light spots and dead zones; and meanwhile, due to the direct contact of an LED light board and the lamp housing and the arrangement of the cooling fins, the heat dispersion performance is highly improved.

The invention discloses an intelligent protection locking device. The device comprises a flange buckle assembly, a blocking mechanism, a Bluetooth key, a mobile handheld terminal and a background software management system, wherein the flange buckle assembly is installed on an upper port of a petrochemical storage tank, the blocking mechanism comprises a rotary blocking frame and an intelligent lock, and the intelligent lock is connected to the left portion of the flange buckle assembly; and one end of the rotary blocking frame is rotationally connected with the right portion of the flange buckle assembly through a rotary button, the intelligent lock comprises a lock body, the lock body is connected with the Bluetooth key, and the mobile handheld terminal and the background software management system communicate with the Bluetooth key through wireless signals. The protection locking device can prevent people from mistakenly entering a storage tank hole. The invention further disclosesa using method of the intelligent protection locking device. The using method can better control the intelligent protection locking device, and the use convenience is improved.