43results about How to "Avoid wind noise" patented technology

A structure for supporting a sunroof deflector may include a deflector arm of which one end may be pivotably coupled to a deflector base on a roof of a vehicle and another end thereof may be connected with a deflector fabric, a deflector spring that may be disposed between the deflector base and the deflector arm and provides elastic force to the deflector arm, and a locking lever that may be pivotably fastened to the deflector arm by a hinge pin and has a locking lever with a hook at a front end thereof, wherein when a sunroof glass of the vehicle may be open, the hook of the locking lever may be locked to an end of the deflector spring and the deflector arm may be prevented from moving down accordingly.

A paste-like thermally foaming filler contains 2 to 20 parts by weight of an uncrosslinked synthetic rubber. 5 to 30 parts by weight of a partially crosslinked rubber, 0.1 to 5 parts by weight of a quinone-based vulcanizing agent, 0.2 to 1 parts by weight of thermally expandable balloons, 1 to 10 parts by weight of a thermoplastic resin, 20 to 50 parts by weight of a plasticizer, 15 to 50 parts by weight of an inorganic filler, and 2 to 15 parts by weight of a chemical foaming agent. The paste-like thermally foaming filler exhibits high foaming capability even at low temperatures.

An antenna device for a vehicle and a manufacturing method thereof are provided. The antenna device includes an antenna coil disposed in a helical antenna shape having a substantially constant pitch interval and a connector disposed on a first end of the antenna coil. A cylinder member, electrically connected to the antenna coil, is disposed on a second end of the antenna coil. A first fixing member covers a portion of the connector and the first end of the antenna coil to fix the antenna coil to the connector. A second fixing member is filled into a hollow portion and a gap within the substantially constant pitch interval and a third fixing member covers the second end of the antenna coil. A cover member covers the antenna coil, a portion of the connector, the cylinder member, the first fixing member, the second fixing member and the third fixing member.

There is provided a microphone apparatus with an adjusting mechanism that prevents wind noise generated at a sound absorbing hole from perceptively inputted in the structure having a microphone built-in at the back of a panel with a sound absorbing hole. A sound box is structured between a sound absorbing hole of a panel and a sound perceptible portion of a microphone, and a movable piece that slidably moves in the sound box is formed. A screw rod is annexed to the movable piece, and a disk screwed with the screw rod is restricted and interposed between a tubular portion, serving as an outer frame of the sound box, and a support portion formed at the lower portion. A part of the disk is exposed to the front surface side from a slit of the panel, and the disk is rotated to move the movable piece, whereby changing a resonant frequency of a ventilation space of the sound box and a ventilation cross.

The invention relates to an aerospace oxygenerator which comprises a case, a compressor, a distribution valve, a gas cylinder and two molecular sieves, wherein a bottom plate for packaging is arranged at the bottom of the case; a compression system box is arranged on the bottom plate; the compressor is supported in the compression system box; a gas inlet mechanism is arranged at the lower part of the front end face and / or the rear end face of the case, and communicated with the compressor by a gas inlet silencer; the compressor is connected with the two parallel molecular sieves by the distribution valve respectively; the two molecular sieves are connected with the gas cylinder by the distribution valve; the distribution valve is communicated with a gas outlet silencer; the gas outlet silencer is communicated with the compression system box; and the compression system box is communicated with an exhaust mechanism arranged at the lower part of the left side face and / or the right side face of the case. The aerospace oxygenerator is compact in structure, convenient, quick, stable and safe to use, easy to dismount and clean, and noise-free; the use comfort can be ensured effectively; and the service life can be prolonged.

The invention discloses a low noise double-body self-priming combination pump. The low noise double-body self-priming combination pump comprises a motor, pump body connecting supports installed at the two ends of a motor shaft, a first pump body and a second pump body. The first pump body is provided with a first inlet and a first outlet, and the second pump body is provided with a second inlet and a second outlet. The motor is located between the two symmetrically installed pump bodies, and the motor shaft stretches out of a motor shell from the two sides of the two ends of the motor to drive the two pump bodies. The single motor is used for driving the two combination pump bodies on the two sides of the motor at the same time to balance radial force at the ends of the motor shaft, and the double-body combination pump which is low in noise, high in machine pump efficiency and excellent in comprehensive work performance such as flow, lift and suction head lift is provided.

The invention relates to a pillar finisher which is arranged to visually conceal regions of a vehicle body and with its outer exposed surfaces to be involved in forming the external appearance of a vehicle, wherein the pillar finisher in the intended final installed state forms a mount for a functional seal, in particular a window drop seal. To prevent a malposition of the functional seal relative to the pillar finisher from having negative effects with regard to the function of the seal or the quality impression of the mounted assembly, provision is made that a covering lip, functionally separate from the position of the functional seal, is fixedly associated with the pillar finisher on the edge side.

A motor vehicle roof with two openable covers (18, 20) in which the rear cover (20) can be lowered at its front edge (20V) and the front cover (18) can be moved at least partially over the rear cover (20) in its lowered position. The front cover (18) can be raised at its rear edge (18H) and by means of support devices (24) which are located near its rear edge (18H) can be moved on guides (26) which are located laterally outward alongside of the rear cover (20), which is made as a spoiler cover.

A weatherstrip is attached to a peripheral flange of a roof panel for sealing against a peripheral edge portion of a tailgate. The weatherstrip includes a base portion and is mounted to the roof panel by receiving the roof panel flange between an interior section and exterior section of the base portion. A tongue extends from the base portion toward the vehicle body and covers a space between the roof panel and the vehicle body. A generally tubular seal body extends from the base portion toward the peripheral edge portion of the tailgate. The seal body seals against the tailgate to prevent wind noise by closing a gap between a roof panel and tailgate. An arm extends from the base portion and is positioned between the roof panel and the vehicle body and is attached to an underside of the roof panel.

The invention provides a centrifugal fan lamp device and an air blowing method thereof. The centrifugal fan lamp device is formed by hiding a centrifugal fan in a lamp device. Two fan blades opposite in directions are arranged on the centrifugal fan driven by a motor, a first flow passage and a second flow passage which are matched with the centrifugal fan are arranged in the lamp device, and the second flow passage converges into the first flow passage. The shape of one of the fan blades of the centrifugal fan inclines forwards, therefore, the lamp device can sucks air form the center of the position right below the lamp device, plenty of air is blown out from the periphery of the center of the position right below the lamp device, the lamp device is provided with a narrow air outlet, then large lift is obtained, and a certain amount of air flow can be maintained.

A method for fabricating a monolithic color wheel. The method includes (a) preparing a square transparent substrate; (b) forming a plurality of color filters on the square transparent substrate; and (c) cutting the square transparent substrate and the color filters together along a circular path, to form a color filter disk. Through these steps, a color filter disk of color wheel can be produced with better dynamic equilibrium quality, and will run more quietly and smoothly.

A wavelength converter includes a substrate, a phosphor layer, a light transmission member, and a centroid adjustment member. The substrate is configured to be sleeved onto a drive shaft of a motor and has a hollow hole located within an outer edge of the substrate. The phosphor layer is disposed on the substrate and adjoins, the hollow hole. The light transmission member is embedded in the hollow hole. The centroid adjustment member is disposed on the substrate and located outside an outer edge of the phosphor layer and an outer edge of the light transmission ember An equivalent centroid of a combination of the substrate, the phosphor layer, the light transmission member, and the centroid adjustment member is substantially located on the axis of the drive shaft.

The invention discloses a floating type automobile panoramic sunroof assembling manipulator, and relates to the technical field of automobile manufacturing. The floating type automobile panoramic sunroof assembling manipulator comprises a floating frame connected with a main bearing beam, wherein shared and switchable supporting blocks are mounted on the two sides of the floating frame; a floatingdevice and a floating lock are arranged in the middle of the floating frame; a first air cylinder and a second air cylinder are mounted on the floating frame and positioned on the two sides of the floating device side by side, a positioning pin is mounted on the first air cylinder, and a switchable height supporting block is mounted on the second air cylinder; an external three-axis translation mechanism connecting seat is arranged on the main bearing beam, a mounting connecting plate is arranged at the end, connected with the floating frame, of the main bearing beam, and a handle provided with an operation box is arranged at the other end of the main bearing beam; and handrails and buttons are further arranged on the two sides of the floating frame. According to the floating type automobile panoramic sunroof assembling manipulator, the problems that an existing automobile panoramic sunroof assembling manipulator has no positioning function, the mounting precision cannot be guaranteed, the bad defects such as wind noise and water leakage are prone to being caused, and adjustment is not facilitated when the position of a diagonal mounting hole of a panoramic sunroof deviates can besolved.

The invention discloses an automobile rearview mirror cleaning system and method, and relates to the field of automobile accessories. The automobile rearview mirror cleaning system comprises an air pump fixedly arranged in an automobile body, at least one air nozzle fixedly mounted on one side of a rearview mirror, and an air pipe fixedly arranged between the air pump and the air nozzle; orientation of the air nozzle is parallel to a mirror surface of the rearview mirror; and the air nozzle sprays an air flow parallel to the mirror surface of the rearview mirror. In the invention, an air barrier can be formed outside the mirror surface of the rearview mirror to prevent rainwater from adhering to the mirror surface of the rearview mirror; when rainwater passes through the air barrier, waterdrops on the mirror surface of the rearview mirror can be quickly blown off by an high-speed airflow; an evaporation speed of rainwater on the mirror surface of the rearview mirror can be increased by utilizing a high-speed airflow; and the air nozzle is fixedly installed on one side of the inner portion of the rearview mirror, a contact area with air is reduced, meanwhile, the air nozzle can befully fixed, a problem of a wind noise is avoided, the air pump and the air nozzle are physical products, and using time is far longer than that of a rainproof spraying agent.

The invention discloses a high-rise residential building anti-noise system. The high-rise residential building anti-noise system comprises a window body, wherein the window body and a wall body are rotationally connected with a connecting shaft; the connecting shaft is fixedly connected with a first gear; the first gear is meshed with a second gear; the second gear is meshed with a rack; a cavityis formed in the wall body and above the window body; a sealing plate is inserted into the rack and is fixedly connected to the side wall of the cavity; the rack is positioned on the upper side and the lower side of the sealing plate and is divided into two parts; one side, close to the sealing plate, of the rack is fixedly connected with a magnet; the magnet and the sealing plate are magneticallyattracted; and the top of the rack is fixedly connected with a sliding plate. The high-rise residential building anti-noise system has the advantages that energy is converted into air pressure expansion through the principle that vibration is generated during sound transmission, so that tight sealing of the window body is realized, generation of wind noise is avoided, and the indoor and outdoor ventilation effect is improved in a window opening state.

A low-noise conducting wire of the invention relates to a special conducting wire used by the overhead transmission line, and the invention is especially suitable for the improving of the new-built extra-high voltage overhead transmission line and the overhead transmission. The structure comprises a bearing core and a conductor. The exterior of the bearing core is arranged with a plurality of layers of conductor. The conductor next to the bearing core is a single wire with a circular cross-section. The outmost layer conductor is a single wire with an odd-shaped cross-section. The outmost layer conductor is provided with single wire of partial odd-shaped cross-sections higher than the single wire of other odd-shaped cross-sections. A projection which is provided with an opening angle is formed on the surface of the conducting wire. The height of the projection formed on the surface of the conducting wire is 2.3-2.7mm, and the opening angle is 30-120degrees. The height of the special-shaped wire fold of the projection at the exterior layer of the low-noise conducting wire is less than the diameter of the current disturbing wire. The artificial operation for winding the current disturbing wire is saved. The invention has the advantages of light weight, convenient construction, reducing the corona sound of the conducting wire and the radio interference level, and effectively preventing the wind noise of the conducting wire.

The invention discloses an automobile rainproof device, which comprises a rotatably arranged a rainproof board and a driving mechanism arranged on a door interior panel and used for controlling the rainproof board to rotate. According to the automobile rainproof device, the rainproof board can be folded on the door interior panel when not used, the wind noise and running resistance are effectivelyavoided, the driving quality is improved, and the rainproof board is not easily damaged.

The invention relates to a self-circulation immersion jet power supply module which comprises a shell and a circuit board located in the shell. A refrigerant liquid inlet and a refrigerant liquid outlet are formed in the shell, an immersed pump and a jet pipe are arranged in the shell, one end of the jet pipe is connected with the immersed pump, jet holes are distributed in the jet pipe, and the shell is filled with an insulating cooling liquid. The interior of the shell is filled with the insulating cooling liquid. Compared with the prior art, by using the module of the invention,the circuit board is completely soaked in the insulating cooling liquid, a thermal resistance between a power device on the circuit board and a refrigerant can be reduced, and therefore the heat dissipation efficiency is improved, the power supply module can have the smaller size and the higher power density, and a wind noise is avoided. Meanwhile, the immersed pump and the jet pipe can accelerate flowing and circulation of the insulating cooling liquid, and the heat dissipation effect is improved.

The invention discloses an air outlet structure of an automobile air conditioner, and belongs to the technical field of automobile accessories. The structure comprises a shell, a blade group and a driving mechanism, the blade group comprises a first blade and a second blade which are opposite; the driving mechanism comprises a driving motor and a gear set; the gear set comprises a first gear and asecond gear which are meshed with each other and opposite in rotating direction, a first annular groove is formed in the flat surface of the first gear, and a second annular groove is formed in the flat surface of the second gear; the first blade is meshed with the first annular groove, and the second blade is meshed with the second annular groove; and under the driving of the driving mechanism,the first blade and the second blade generate relative displacement. By the adoption of the air outlet structure, an air flowing channel is not blocked, so that resistance borne by air is small, smooth circulation of air flow can be kept, and the air outlet structure is simple in structure and convenient to assemble and maintain.

The invention discloses a noise reduction and ventilation control device used under a mine. The noise reduction and ventilation control device comprises a noise reducer, an explosion-proof controller, a main fan, a standby fan, a PIC single chip microcomputer and a frequency converter, wherein the standby fan is connected with the main fan; the noise reducer is installed on the air inlet side of the main fan; the explosion-proof controller comprises an upper box body and a lower box body; the PIC single chip microcomputer is installed on the lower box body; the main fan and the standby fan are connected with a first motor and a second motor respectively; and the frequency converter is electrically connected with the first motor and the second motor. According to the noise reduction and ventilation control device, the airflow disturbance factor caused in the air flowing process is overcome, air noise caused by airflow disturbance is effectively avoided, intelligent control is achieved by installing an intelligent fan control device, the air volume supplied to the working face by the fans is the optimal air volume, the operation cost can be greatly saved, noise generated by long-time full-load operation can be effectively avoided, and meanwhile the operation safety of the working face can be ensured.

The invention discloses an air purifier with an external filter element, and belongs to an air purifier. The air purifier comprises an upper shell, a fan is mounted in the upper shell, the lower portion of the upper shell is mounted on a supporting column, the supporting column is mounted on a base, a first air duct is arranged in the upper shell and communicates with an air outlet, a second air duct is arranged in the supporting column, and the second air duct communicates with the first air duct; an air inlet is formed in the supporting column, the outer side of the supporting column is sleeved with a filter element body, the air inlet is covered with the filter element body, and the air inlet communicates with the outside through any position of the filter element body. The supporting column is sleeved with the filter element body, so that the filter element body is exposed outside, airflow can enter the second air duct of the supporting column from any position of the filter element body, the dust containing space of the filter element can be increased under the condition that the size of the filter element is not increased, the air filtering effect is improved, wind noise caused by narrow air inlet holes can be avoided, the air purifier is simple in structure, convenient to use and low in manufacturing cost, industrial production is facilitated, and the popularization is easy.