41results about How to "Speed up air exchange" patented technology

An embodiment of the invention discloses radiating equipment. The weight of the radiating equipment can be lowered and the radiating efficiency of the radiating equipment can be improved. The radiating equipment comprises an evaporator (110), a first-stage pressure balancer (120), a collecting pipe (130), a condenser (140) and a second-stage pressure balancer (150), wherein multiple steam pipelines (111) are arranged in the evaporator (110); working mediums are added in the multiple steam pipelines (111); the upper side of the evaporator (110) is communicated with the lower side of the first-stage pressure balancer (120) through the multiple steam pipelines (111); the upper side of the first-stage pressure balancer (120) is communicated with the lower side of the collecting pipe (130); the upper side of the collecting pipe (130) is communicated with the lower side of the condenser (140); and the upper side of the condenser (140) is communicated with the lower side of the second-stage pressure balancer (150).

A waterproof and breathable plug includes a plug body having a mounting base, an air vent on the mounting base, a tubular screw rod at one side of the mounting base and arched blocks at the other side of the mounting base, a waterproof and breathable membrane covering the air vent, and a cover member having a cap nut threaded onto the arched blocks and air valves mounted in the cap nut and movable with rotation of the cap nut to adjust the open rate of the opening between each two adjacent arched blocks of the plug body and to further regulating the breathing rate.

A disposable undergarment is described which has an improved arrangement of leg- and crotch-region elastic members, such as to improve absorption capacity and fit.

An aerated compost and waste collection bin is disclosed. The bin includes a body portion having a bottom, at least one sidewall from the bottom, and an open top forming a container. A perforated tube extends upwards from the bottom of the body portion. At least one lateral vent tube is connected to the perforated tube and the sidewall of the body portion. The lateral vent tube allows air to circulate from outside the body portion of the bin through to the perforated tube.

A baffled insulation product and a method for insulating and ventilating a space between rafters for supporting a roof includes, an elongated insulation mat having an integral baffle, at least one channel on a roof facing side of the baffle for passage of ventilating air, and at least one vapor permeable membrane covering at least a portion of the insulation mat facing the channel, wherein each vapor permeable membrane transmits water vapor emanating from the insulation mat.

A filter assembly for a data storage device. The filter assembly includes a flow passage having an inlet and outlet to provide a recirculating filter. The filter assembly is positioned to provide a pressure differential between the inlet and outlet of the flow passage. A breather filter includes an opening for ambient air exchange through a second flow passage which is opened to the pressure differential of the flow passage of the recirculating filter to enhance ambient air exchange. An air dam assembly interposed in an air flow path provides a high pressure region and low pressure region. An assembly structure includes an air dam and a filter flow passage to enhance the pressure differential across the flow passage. Flow turbulence through the flow passage is reduced via flow plates supported between raised edge portions of the flow passage.

A method for insulating and ventilating a space between rafters for supporting a roof includes, an elongated insulation mat having an integral baffle, at least one channel on a roof facing side of the baffle for passage of ventilating air, and at least one vapor permeable membrane covering at least a portion of the insulation mat facing the channel, wherein each vapor permeable membrane transmits water vapor emanating from the insulation mat.

The invention relates to a door sealing system comprising a door seal (2, 3, 4) for sealing an upper and a lower side of a building door leaf (T), and an air channel (8, 8′, 70) which enables, when the door seal is in the sealing position, air to circulate from a longitudinal side of the door seal (2, 3, 4) to an opposite longitudinal side of the door seal (2, 3, 4). Said door sealing system also comprises at least one ventilator (7) which guides air through said air channel (8, 8′, 70). Said inventive door sealing system enables sufficient air to be exchanged even when the door is closed.

The invention discloses an air pumping system applied to a building and belongs to the technical field of building ventilation. The air pumping system comprises a ventilation pipe, a spraying device,a hollow rotating shaft, a bearing, a guiding structure, filter structures and a protecting branch pipe. The ventilation pipe stretches from the top of the building into a base layer, ventilation branch pipes communicating with the ventilation pipe are arranged inside the building, and end ports of the ventilation branch pipes are connected with the filter structures; the ventilation pipe communicates with the protecting branch pipe; the spraying device is provided with a vacuum cavity with the vacuum condition; one side face of the vacuum cavity communicates with an outlet pipe, and the outlet pipe corresponds to a thin end port of a contracting pipe; the hollow rotating shaft is fixed through the bearing fixed to the building, and the inner wall of the lower portion of the hollow rotating shaft is connected with the outer wall of the ventilation pipe in a clearance fit mode; and the upper portion of the hollow rotating shaft communicates with the vacuum cavity, and the top of the spraying device is fixedly connected with the guiding structure. According to the air pumping system, air in a unit space inside the building is pumped out to the top of the building through an air powersource on the top of the building, and the air exchange speed of the unit space and the exterior of the building is increased.

The invention provides a craniotomy milling cutter with a built-in cooling water channel. The craniotomy milling cutter comprises a heat conduction pipe, a micro water pump, a water tank, a refrigerator, an air inlet fan and an exhaust fan, wherein the rear end of the heat conduction pipe is installed in the water tank, the micro water pump is installed in the water tank, the upper end of the water tank is connected with the lower end of a handle, and the refrigerator is installed in the water tank, the air inlet fan is installed in a fan groove, and the exhaust fan is fixed in the rear end ofa machine body through a fixing support. A motor is cooled according to the principle of water circulation, and the working efficiency of the motor is improved; the operation time is shortened by increasing the rotating speed; the air circulation principle is used, so that hot air generated when the motor works is discharged through air convection formed by the air inlet fan and the exhaust fan,air circulation and air exchange inside the machine body are accelerated, and the effect of cooling the motor is achieved.

The invention relates to a sewage treatment method, in particular to a reoxygenation-strengthening biological sewage treatment method for circulating drainage pipelines, which aims at solving the technical problems that variation of raw water quality is large in seasonality and per day and treatment load variation is large by means of an existing sewage treatment method of a sewage treatment plant. The method comprises the following steps: adding fillers accompanied with microorganism into the drainage pipelines in a drainage pipe network, simultaneously arranging a backflow pipeline and installing air draft devices separated in a high-and low mode on the pipeline; and discharging sewage into the pipeline, enabling the sewage to stay for 3-5hours by waterpower, and finishing biological sewage treatment of the drainage pipelines. The method can enable chemical oxygen demand (COD) of the sewage in the drainage pipelines to be reduced by 30%-70%, and can be used for drainage pipe networks of combined systems, separate systems and partial combined systems of cities and towns.

A wind turbine, in particular an offshore wind turbine includes at least one hollow structural element, at least one cable inlet arranged in a bottom region of the hollow structural element. A first platform is arranged inside the hollow structural element, above the bottom region. At least one flow opening is arranged in the shell surface of the hollow structural element and penetrating the shell surface. At least one active control element is flow-connected to the flow opening to affect a media exchange between the interior of the hollow structural element and the exterior of the hollow structural element.

The invention provides a container for the storage and transport of microscope slides. In particular, the container comprises one or more receiving means for receiving a plurality of microscope slides such that both surfaces of each slide are exposed to air and at least one side of the container is fully open. The container may also comprise a closing means capable of preventing microscope slides contained inside the container from sliding out of the container. The design of the container allows for air exchange between the outside and inside of the container to facilitate the drying of slides contained within the container. Methods of transporting and drying microscope slides are also disclosed.

The invention discloses a heat dissipation device for an automobile engine, and relates to the technical field of automobile auxiliary equipment. The heat dissipation device comprises a heat dissipation box and a mounting base, wherein an engine body is arranged in the heat dissipation box, and heat dissipation openings are formed in the middle portions of the side walls of the heat dissipation box; a driving motor is arranged above the top wall of the heat dissipation box, the output end of the driving motor is fixedly connected with a rotating shaft, and bevel gears I are symmetrically arranged on the left side and the right side of the surface of the rotating shaft; and a fan is arranged in the heat dissipation box, a water tank is arranged above the heat dissipation box, a water pump is arranged on the left side of the heat dissipation box and connected with the water tank through a water inlet pipe, and a coil cooling pipe is arranged in the heat dissipation box. The fan rotates to accelerate flow of air, the water pump conveys water in the water tank into the coil cooling pipe through the water inlet pipe, the coil cooling pipe cools the interior of the heat dissipation box,a circulating pump conveys the water in the coil cooling pipe into the water tank again through a water return pipe, and a water circulation cooling system is formed, so that water resources are saved, the heat dissipation and cooling effect on the engine is effectively improved, and normal operation of the engine is guaranteed.

A method for insulating and ventilating a space between rafters for supporting a roof includes, an elongated insulation mat having an integral baffle, at least one channel on a roof facing side of the baffle for passage of ventilating air, and at least one vapor permeable membrane covering at least a portion of the insulation mat facing the channel, wherein each vapor permeable membrane transmits water vapor emanating from the insulation mat.

The invention relates to the technical field of cable distribution boxes, and discloses a solar power generation outdoor cable distribution box which comprises a distribution box body, the top of the distribution box body is fixedly connected with a top cover, the top cover is in a triangular prism shape, a groove is formed in the top of the top cover, the vertical section of the groove is in an arc shape, the bottom of the top cover is fixedly connected with a collecting box, a filter screen is arranged at the top of the collecting box, a water outlet communicated with the interior of the collecting box is formed in the bottom of the collecting box, and the front side of the collecting box is fixedly connected with the rear side of the distribution box. According to the solar power generation outdoor cable distribution box, heat generated by working of electrical components in the distribution box can be extracted through rotation of the fan, so that the heat in the distribution box is extracted to the outside of the distribution box, and air exchange between the inside of the distribution box and the external environment is accelerated; in rainy days, an air outlet can dissipate heat in the distribution box, and can protect electrical components in the distribution box at the same time.

The embodiment of the invention discloses a medical cabinet, the medical cabinet comprises a cabinet body, a folding bed and a folding limiting piece; the cabinet body is provided with a storage box body and a storage box door; the folding bed comprises a foldable frame and a plurality of mattresses, wherein a first end of the foldable frame is connected with the inner side of the storage box body, an opposite second end of the foldable frame is connected with the storage box door, the foldable frame comprises a plurality of supports which are sequentially and movably connected from the firstend to the second end, and the plurality of mattresses are respectively arranged on the plurality of supports; the folding limiting piece is arranged on the foldable frame; when the storage box dooris in a closed state, the folding bed is stored in the storage box body, the folding limiting piece abuts against the position between every two adjacent supports so that every two adjacent mattressescan incline relative to each other, and the storage box door is locked and fixed through the intelligent lock. The arrangement of the folding limiting piece is beneficial to solving the problems thatafter an existing folding bed is stored, a mattress is completely attached and is not ventilated, bacteria are prone to breeding, and human health is harmed.

The invention relates to the technical field of frog-type scooters, and discloses an electric frog type scooter capable of running stably on an uneven road section. The electric frog-type scooter comprises a shell, wherein a power block is slidably connected to the middle of an inner cavity of the shell, worms are rotatably connected to the two sides of the power block of the inner cavity of the shell, the side, which is close to the power block, of the worm is fixedly connected with a turbofan in a sleeving mode, the two sides of the power block are fixedly connected with adjusting frames connected to the worm in a sleeving mode, the upper portion and the lower portion of the power block in the inner cavity of the shell are fixedly connected with protective frames, and limiting columns are fixedly connected between the protective frames and the power block. According to the electric frog-type scooter capable of stably running on the uneven road section, the power block is jointly restrained through the limiting columns and abutting bags, so that the shaking amplitude of the power block on the bumpy road surface and the impact of external acting force are reduced, and the heat dissipation effect and moisture removal effect are automatically improved in cooperation with equipment, so that the running stability of the vehicle body is effectively ensured, and the service life of the power supply equipment is prolonged.

The invention discloses an exhausting system for a building and belongs to the technical field of ventilation of buildings. The exhausting system comprises a ventilating pipe, an injecting device, a hollow rotary shaft, a bearing and a guiding structure, wherein the ventilating pipe stretches into a base layer from the top of the building; the injecting device comprises a shrinking pipe, an outletpipe and a vacuum cavity; the shrinking pipe is transversely arranged in the vacuum cavity, and the large end port of the shrinking pipe is exposed out of the vacuum cavity; a side face of the vacuumcavity communicates to the outlet pipe, and the outlet pipe corresponds to a fine end port of the shrinking pipe; the hollow rotary shaft is fixed through a bearing fixed on the building, and the inner wall of the lower portion of the hollow rotary shaft is in clearance fit connection to the outer wall of the ventilating pipe; the upper portion of the hollow rotary shaft is fixedly connected to the injecting device, and the hollow rotary shaft communicates to the vacuum cavity; and the top of the injecting device is fixedly connected to the guiding structure. By using a wind power source on the top of the building, the exhausting system extracts air in a unit space in the building to the top of the building to accelerate air exchange speed between the unit space and the outer side of thebuilding, and the exhausting system is skillful in structure and has a very good economical benefit.

A door sealing system includes a door seal for sealing either an upper or a lower side of a building door wing, and an air channel which enables, when the door seal is in the sealing position, air to circulate from a longitudinal side of the door seal to an opposite longitudinal side of the door seal. The door sealing system also includes at least one ventilator that guides air through the air channel. The door sealing system enables sufficient air to be exchanged even when the door wing is closed.

The invention discloses a respiration-assisting device, in particular to an abdominal respiration assistor, belonging to the medical exerciser field. The assistor comprises a cross beam (1), a main beam (2), a back rest (3), handrails (4), a counterweight (5), a seat support (6), a back baffle (7), a seat (8), a connecting rod (9), a front baffle (10) and a draw rod (11). By fixing the work flow of the original functions of a human body on the exerciser to form a cycle operation mode, the abdominal respiration assistor enables people to maximize abdominal respiration even by using a very small force, increases pulmonary ventilation, corrects bad postures causing short breath and asthma and improves the sputum removing function of lungs under the powerful action of abdominal respiration.

The invention discloses a stacked type refrigerator. In the carrying process of the stacked type refrigerator, refrigerator bodies on the upper layers can be split from the tops of refrigerator bodieson the lower layers; the refrigerator is split into a plurality of parts so that the carrying weight and size for each time can be decreased, and carrying difficulty is lowered; the large volume refrigeration function of the refrigerator can be further achieved after stacked assembly of the multiple refrigerator bodies; and by arranging a fan, airflow exchange between every two adjacent compartments can be accelerated, so that cold energy inside the containing compartments of the refrigerator bodies on the lower layers can be transferred into the containing compartments of the refrigerator bodies on the upper layers rapidly and effectively.

Disclosed is a heat-dissipation apparatus, of which the weight is lowered and the heat-dissipation efficiency is improved. The heat-dissipation apparatus comprises an evaporator (110), a first-stage pressure balancer (120), a manifold (130), a condenser (140), and a second-stage pressure balancer (150), wherein multiple steam pipelines (111) are provided in the evaporator (110); a working medium is separately added in the multiple steam pipelines (111); the upper side of the evaporator (110) is communicated with the lower side of the first-stage pressure balancer (120) by means of the multiple steam pipelines (111); the upper side of the first-stage pressure balancer (120) is communicated with the lower side of the manifold (130); the upper side of the manifold (130) is communicated with the lower side of the condenser (140); the upper side of the condenser (140) is communicated with the lower side of the second-stage pressure balancer (150).

A diode rectifier outer frame fixing mechanism disclosed by the present invention comprises a bottom plate, a frame plate is fixedly arranged on the bottom plate, a communication groove is formed in the side wall of the frame plate, a box cover is slidably connected in the communication groove, a mounting plate is arranged in the box cover, and a rectifier is fixedly connected to the bottom of the mounting plate. A fixing structure is arranged at the bottom of the rectifier, a heat dissipation protection structure is arranged in the communicating groove, the fixing structure comprises a connecting table, the bottom of the connecting table and the bottom of the rectifier are each provided with a connecting layer, and the two connecting layers are electrically connected; the two ends of the connecting table are communicated with wires, and the wires on the two sides are electrically connected with wiring tables respectively. The diode rectifier has the advantages that the diode rectifier can be protected and installed, automatic heat dissipation and connection disconnection can be carried out in an overload or overheating state, the use is convenient, and the safety performance is improved.

The invention provides a throttle handle of a motorcycle. The throttle handle comprises a handle part, a hand protection shield cover and a connecting part located at one end of the handle part, wherein a pair of arc-shaped block pieces arranged in the axial direction of an outer wall is arranged on the outer wall of the connecting part, a line leading channel is formed between the two block pieces, a positioning hole is formed in one block piece, two rows of staggered through holes are formed axially in the handle part and communicated with the inner wall and the outer wall of the handle part, an annular groove is further formed in the outer wall of the connecting part, the two block pieces are located on two sides of the groove respectively, and the hand protection shield cover is mounted at the handle part. The throttle handle of the motorcycle has the advantages of high control accuracy, good ventilation and high safety, and solves the problems of poor ventilation, poor control accuracy and low safety of the throttle handle in the prior art.

The present invention discloses a sound insulation electrical cabinet which comprises a cabinet body, a wire harness storage mechanism and a base, a sound insulation mechanism is installed at the inner side of the cabinet body, a cabinet plate is fixed at the rear of the cabinet body, a heat dissipation fan is embedded in the cabinet plate, an installation frame plate is installed in the cabinet body, and the installation frame plate is fixedly connected with the cabinet body. The wiring harness storage mechanisms are arranged on the two sides of the mounting frame plate, the wiring harness storage mechanisms are in bolt connection with the inner wall of the cabinet body, a heat dissipation groove penetrates through the lower portion of the cabinet plate, a filter screen is fixed in the heat dissipation groove, the base is mounted below the cabinet body, and a stable supporting mechanism is arranged below the base. The electrical cabinet with the sound insulation structure is provided with the sound insulation mechanism to facilitate sound insulation and noise reduction, the arrangement of the double PCV plate layers has good waterproof, flame-retardant and sound insulation effects, and the honeycomb core plate with the internal honeycomb structure and the fiber sound absorption layer have a good sound absorption effect.

The invention discloses a box-type transformer room heat-dissipation system, and the system comprises a transformer room and a low-voltage chamber connected with the transformer room. A low-voltage chamber partitioning plate is disposed between the transformer room and the lower-voltage chamber, and is provided with an opening. A bottom plate at the bottom end of the transformer room is an iron gauze. Compared with the prior art, the system enables a bottom plate of the transformer room to be replaced by the iron gauze, and improves the heat discharge effect of a transformer in the transformer room. The low-voltage chamber partitioning plate is provided with the opening, and an insulating plate which blocks the opening is provided with a circular hole, so as to improve the air flow exchange between the transformer room and the lower-voltage chamber and the effect of a ventilator, and enable the whole box-type transformer room to be better in heat-dissipation effect. The system is simple in design, and is convenient to install.