63results about How to "Avoid drafts" patented technology

Provided are encased parallel channel adsorbent contactor apparatus and systems and swing adsorption processes related thereto. Encased parallel channel adsorbent contactors are useful in swing adsorption processes. A plurality of the encased adsorbent contactors are loaded and sealed together in a swing adsorption vessel such that substantially an entire feed stream must pass through the channels of the contactors and not through stray gaseous stream paths between contactors.

A device for transferring heat between a panel heated by solar radiation and a wall surface, including an insulating plate mounted parallel between the panel and the wall surface, to define a closed external space between the panel and the insulating plate, and a closed internal space between the insulating plate and the wall. An air circulator is interposed between the external space and the internal space and can be put selectively in an open state allowing circulation of air between the external space and the internal space, and thus allowing thermal transfer between the panel and the wall, and a closed state preventing circulation of air between the external space and the internal space, and thus preventing thermal transfer between the panel and the wall.

A bunting bag for children, where the bunting bag for children comprises a main part which is designed to be connected to a bottom part by means of a zipper, and a hood-shaped part containing an adjusting device. The bunting bag is opened and closed by means of a central closing and opening device, where the main part is provided on each side edge with a wind flap extending along the side edge and a lower wind flap extending round the main part's circumference, which wind flaps interact with a wind flap provided in the bottom part, forming a wind flap on an inner and outer side of the closing and opening device and the zipper, in order thereby to prevent through-flow of air through them.

An inner filler insulating material wood plastic wallboard comprises a wood plastic wallboard, a decorative cover, an insulation board, and an insulation material. An insulation board fixed boss is arranged on a wood plastic wallboard stud; the insulation board inserts into the fixed boss to divide the wood plastic wallboard into an indoor and an outdoor chamber; the indoor and the outdoor chamber are respectively filled with an inorganic insulation material or a self-hardening resin insulation material or a phase change energy storage insulation material or a polyurethane insulation material.

The invention provides a pipeline all-position laser and arc combined welding system. The pipeline all-position laser and arc combined welding system comprises a laser sensor, an image processing computer, a controller, an actuator and a guard plate. The laser sensor is used for collecting first position image information and second position image information of a welding seam; the image processing computer is used for calculating the transverse deviation and the longitudinal deviation of the welding seam according to the first position image information and the second position image information; the transverse deviation is transformed into a transverse deviation voltage, the longitudinal deviation is transformed into a longitudinal deviation voltage, and after delay calculation is conducted according to the preact delay quantity, the transverse deviation voltage and the longitudinal deviation voltage are sent to the controller; the controller is used for correcting the transverse deviation according to the transverse deviation voltage and correcting the longitudinal deviation according to the longitudinal deviation voltage; the actuator is used for controlling a combined welding torch and the welding seam to be maintained in an accurate centering state according to the corrected transverse deviation and the corrected longitudinal deviation, and then welding is conducted; the guard plate is used for preventing welding spatter from polluting a focusing lens of the laser welding torch to protect a lens, the pressure intensity of a laser welding torch protection gas curtain is lowered, and the welding quality is ensured.

A card edge connector which could be inserted by an electrical card with a pair of slopes in its bottom edge includes an insulating housing and a plurality of contacts retained in the insulating housing. The insulating housing includes a top surface, an elongated passageway which recesses from the top surface, and a pair of ladder sections or protruding portions which protrude into the passageway for supporting the slopes. Therefore, it can enhance the stability when the electrical card is inserted into the passageway.

The present invention discloses an unmanned aerial vehicle-based high-speed train overhead line system automatic patrol inspection method. The method of the present invention is characterized in that by using an electromagnetic field sensor installed on an unmanned aerial vehicle to detect the alternating electromagnetic field intensity around an overhead line system, the relative position of the unmanned aerial vehicle and the overhead line system is determined, whether a high-speed train exists nearby is determined, and further, the flight route and the attitude of the unmanned aerial vehicle are adjusted; when the nearby high-speed train is detected, the unmanned aerial vehicle rises and suspends. According to the application, the problem that the conventional technology can not satisfy the high-speed train overhead line system automatic patrol inspection demand is solved, the unmanned aerial vehicle navigates automatically when carrying out the patrol inspection on the overhead line system, the influence of the strong electromagnetic interference and the airflow on the unmanned aerial vehicle are reduced, and the air crash accidents are reduced.

An acceleration sensor device comprising: an acceleration sensor chip comprising a mass portion, a support frame and flexible arms having piezo-resistors on their top surfaces; and an upper regulation plate having an IC circuit, which is larger in area than the support frame, bonded to a top surface of the support frame; wherein the acceleration sensor chip and the upper regulation plate are placed in a protection case with a lid. The regulation plate protrudes from outside walls of the support frame to partition the space accommodating the chip in the protection case by the protrusion and to prevent air circulation above and below the regulation plate, so that a temperature rise due to the IC circuit among the piezo-resistors provided on the top surfaces of the flexible arms is kept uniform to reduce offset voltage.

A valve for use in aircraft comprises a body, a selective interrupter positioned inside the body for rotation therein, a flow arrangement between the selective interrupter and the body, a bonnet connected to the body and in contact with the selective interrupter, an arm extending through the bonnet and connected to the selective interrupter, and an actuator movably connected to the arm.

A draft protector for a double door system has a longitudinally extending body having a first portion, a second portion, and a foldable central connecting portion disposed between the first and second portion. The first portion is positioned adjacent a first door and the second portion is positioned adjacent a second door, and either the first or second portion is folded over and in parallel alignment with the first or second portion when the first or second door is in an open position.

The present invention relates to parking brake lever system 1 for manually tightening and releasing of at least one brake cable 90, wherein the parking brake lever system 1 comprises at least one rotation arm 10, 12 pivotably supported at a fixed support 50, wherein the rotation arm 10, 12 is connected to the brake cable 90, and at least one actuation lever 20, 22, which at a first end thereof is pivotably connected to the rotation arm 10, 12 and which at a second end thereof is rigidly connected to a hand grip 40, wherein the actuation lever 20, 22 is slidingly supported at the fixed support 50, such that the hand grip 40 defines a curved path during actuation of the parking brake lever system 1.

The invention discloses a flight direction control device of an aircraft. The flight direction control device comprises a girder and two propellers. The flight direction control device is characterized in that the girder is a hollow circular tube, the middle of an inner cavity of the hollow circular tube is provided with an adjusting screw, and nuts are screwed to the two ends of the adjusting screws respectively; the two ends of the adjusting screw are provided with half shaft tubes respectively, and the inner end of each half shaft tube is rotatably arranged on the corresponding nut in a sleeved mode; the lower walls, corresponding to the two ends of the adjusting screw, of the girder are provided with arc holes, an electric cylinder and a rotating force arm are arranged below the positions, corresponding to the arc holes, of the girder, a stretching and contracting shaft of the electric cylinder is connected with the lower end of the rotating force arm, and the upper end of the rotating force arm is fixedly connected with the half shaft tubes; the outer ends of the two half shaft tubes are provided with bearing seats respectively, and the two bearing seats are internally provided with propeller shafts respectively; the upper ends of the two propeller shafts are provided with belt wheels, and a transmission belt is connected between the two belt wheels; the propellers are connected to the lower ends of the two propeller shafts. By means of the adjusting structure, the power loss of a small aircraft can be lowered, and effective lift force is improved; the flight direction control device is suitable for controlling the small aircraft in four directions.

The invention discloses a multifunctional quilt cover. One side of the quilt cover is provided with a quilt cover opening from which a quilt core can be put in the quilt cover, and an opening zipper is sewed at the two sides of the quilt cover opening and used for opening and closing the quilt cover opening; and when the two sides of the quilt cover are rolled up towards the middle part to form a cylinder, the two sides are both provided with a quilt head zipper and the rolled quilt cover becomes a sleeping bag when the two quilt heat zipper are closed; the other side of the quilt cover is provided with quilt head cover cloth, and buttons or ribbons are sewed on the quilt head cover cloth; and when the quilt head cover cloth is rolled up, the quilt head cover cloth can be fixed with buttons or ribbons sewed at a corresponding part on the back of the quilt cover. The quilt cover disclosed by the invention can effectively prevent the drafty phenomenon of a quilt so as to achieve a warmth-keeping effect.

The high tightness slide window includes window frame with chute, movable sash and fixed sash set inside the chute, sealing stripe fixed inside the chute, and sealing mechanism set between the chute and the movable sash to seal in reduced sliding resistance. The high tightness slide window has raised sealing effect to resist wind and dust.

The invention discloses a high-protection frequency converter. The high-protection frequency converter comprises a cabinet, a partition board, a frequency converter unit, a radiator and a radiating substrate, wherein the partition board is located in the cabinet and divides inside of the cabinet into a front bin and a back bin; the radiating substrate is located in the front bin and is in sealed connection with the partition board through a sealing element; the frequency converter unit is arranged on the front side of the radiating substrate; the partition board is provided with a through hole allowing penetration of the radiator, the radiator is arranged on the back side of the radiating substrate, and the sealing element is located on the periphery of the radiator. According to the high-protection frequency converter, the radiating substrate is arranged in the front bin and is in sealed connection with the partition board through the sealing element, the frequency converter unit is arranged on the front side of the radiating substrate, so that the front bin and the back bin on two sides of the partition board are completely isolated through the sealing element and the radiating substrate, and the protection level is further increased; ventilation between the front bin and the back bin is avoided, heat energy of the front bin is totally conducted to the back bin through the radiator, and the radiation efficiency is improved; meanwhile, mounting of the whole frequency converter unit is facilitated, and the mounting efficiency is improved.

The invention discloses an assembled type steel plate compound insulation wallboard structure, which comprises two wallboard frame plates (1), wherein the two wallboard frame plates (1) are oppositelyarranged, two layers of bottled formed assembled panels (2) are arranged between the two wallboard frame plates (1), the two layers of assembled panels (2) are arranged in parallel, and the two sidesof the assembled panels (2) are respectively fixed to one wallboard frame plate (1); two layers of parallel prefabricated thermal-insulation layers are arranged between the two layers of assembled panels (2), the prefabricated thermal-insulation layers are attached to the inner surfaces of the assembled panels (2), the two layers of prefabricated thermal-insulation layers are arranged at intervals, and an inner reinforcing assembly is arranged between the two wallboard frame plates (1). The assembled type steel plate compound insulation wallboard structure disclosed by the invention has the advantages of ability in overcoming defects in the prior art and reasonable and novel structure design.

The invention discloses a vehicle tent easy to pitch. The vehicle tent easy to pitch comprises a base, bracing bars, and a tent body. The tent body comprises a tarpaulin, and skeletons. The tarpaulin is sewn in a conical shape, and the lower end is open. The skeletons are in an annular shape, and are sewn on the tarpaulin. The tarpaulin is provided with a plurality of skeletons. In adjacent skeletons, the skeleton on the lower end is larger than the skeleton on the upper end. The inner side of the upper end of the tarpaulin is also sewn with a supporting plate. The supporting plate is hinged with at least three sleeves. The sleeve is respectively corresponding to one bracing bar. The upper end of the bracing bar is inserted into the corresponding sleeve, and the lower end is dispersed. The base is fixedly installed on the top of a vehicle. The tent body is on the upper end of the base. The base can limit the bracing bars. The vehicle tent easy to pitch is convenient and fast to build.

The invention discloses a fast-built tent, and relates to a tent. The fast-built tent comprises a support, fixing pins and a tent body. The tent body comprises a tarpaulin and frameworks. The tarpaulin is in a cylindrical shape after being supported up, and the lower end is open. The frameworks are in an annular shape, and a plurality of the frameworks are arranged, the frameworks are sewn on the tarpaulin. The center of the tarpaulin is provided with a ring. The support comprises supporting rods and a cross beam. The number of the supporting rods is at least two. The lower ends of the supporting rods are fixedly connected with a fixing base. The fixing base is provided with a plurality of fixing holes. The fixing base is fixed on ground through the fixing pins. The ends of the cross beam are respectively detachably connected with the upper parts of the corresponding supporting rods. The cross beam is also provided with a hook. The ring on the center of the tarpaulin is hung on the hook. The fast-built tent is convenient and fast to build.

A container-type data center includes an elongate container and a longitudinal rack row in the elongate container. The elongate container includes side walls, and the longitudinal rack row is arranged longitudinally in the elongate container. A cold aisle and a hot aisle are respectively formed between each of two sides of the server rack row and a corresponding one of the two side walls. The longitudinal rack row forms a single communication channel communicating the cold aisle with the hot aisle. The longitudinal rack row includes a server rack and an air conditioner rack. The communication channel allows staff to move between the cold aisle and the hot aisle and thus prevents air circulation from being effected by ambient environment due to entry and exit of the staff.