364results about How to "Good grounding effect" patented technology

A grounding brush for mitigating static electric charge on a motor shaft includes a plurality of filaments secured to an annular frame around the shaft, with tips of the filaments disposed in a channel defined by the frame. Conductive powder can be provided in the channel to improve current flow from the shaft to the filaments.

A vertical stack type multi-chip package is provided having improved reliability by increasing the grounding performance and preventing the decrease in reliability of the multi-chip package from moisture penetration into a lower semiconductor chip. The vertical stack type multi-chip package comprises an organic substrate having a printed circuit pattern on which a semiconductor chip is mounted. A first semiconductor chip is mounted on a die bonding region of the organic substrate and is electrically connected to the organic substrate through a first wire. A metal stiffener is formed on the first semiconductor chip and connected to the organic substrate by a first ground unit around the first semiconductor chip. An encapsulant is used to seal the first semiconductor chip below the metal stiffener. A second semiconductor chip, which is larger in size than that the first semiconductor chip, is mounted on the metal stiffener and connected by a second ground unit. The second semiconductor chip is connected to the organic substrate by a second wire. A mold resin seals the second semiconductor chip and a solder ball is bonded to a solder ball pad below the organic substrate.

The present invention provides an improved card adapter structure which includes an upper cover, a lower cover and a converter terminal set. The upper cover is designed to conform to short memory card specifications, wherein an insertion slot is defined at the rear of the upper cover corresponding to the shape of a micro memory card. A port is configured in a central portion of the lower cover to accommodate a micro memory card. The converter terminal set is configured with eleven terminals, wherein an injection molded fixing mount fixedly covers each pin of the converter terminal set, and eleven pins extend outward towards a short memory card opening. Pin three and pin six are jointly configured with a large grounding area, and eight pins extend outward towards the micro memory card port. Accordingly, the adapter structure conveniently converts a micro memory card into a short memory card.

The invention discloses an independent suspension system which comprises two suspension oil cylinders arranged between the edges of wheels on two sides and a frame respectively, a steering mechanism used for driving the wheels on the two sides to make a turn under the drive action of a power-assisted steering oil cylinder, and two swing rods corresponding to the wheels on the two sides, wherein one end part of each swing rod is hinged to the edge of the wheel on the corresponding side through a spherical hinge, and the other end part of the swing rod is hinged to fixing members fixed below a main speed reducer in a front-rear direction through two spherical hinges respectively. Through the structural improvement, tires mounted on the wheel edges can be positioned, the tire motion in the moving process of a crane is guaranteed to meet the design requirement, and the possible destructive influence of the suspension oil cylinders can be completely avoided, so that the wheels on the left and right sides can reliably and independently move; the adhesion conditions of a road surface are fully utilized, so that the control stability of the complete crane can be improved. Based on the independent suspension system, the invention further provides the crane with the independent suspension system.

The invention discloses a rocking arm rhombus four wheels moon vehicle shift system, including a rotary rhombus frame and a front, a rear ,a left and a right wheels with an independent drive system mounted on the frame, the front and the rear wheels are independently fixed on the frame via a front hanger system and a rear hanger system, and the left and the right wheels are independently fixed on the frame via a left hanger system and a right hanger system. The front hanger system and the rear hanger system all consists of a connection mechanism and a steering mechanism. The invent uses a novel type of four wheels three axial rhombus chassis with the advantages of compact structure, high lightness degree, low energy consumption ,big load capacity, good cross country characteristics, convenient posture adjustment, strong land suitability , smooth vehicle body posture and high reliability.

An in-wheel motor system for mounting a direct drive motor to a steering wheel comprises a first knuckle 4 which is connected to the non-rotary side of a geared motor 3 by a connection member 10 having elastic bodies and direct-moving guides for limiting movement to a vertical direction and locked in a steering direction by upper and lower suspension arms 5a and 5b and a second knuckle 7 which is connected to a steering rod 8 and fitted with a brake unit 9 and a wheel 2 through a hub 6. This second knuckle 7 is connected to the above first knuckle 4 in such a manner that it can turn on a king pin axis J in the steering direction and to the output shaft of the above geared motor 3 by a connection shaft 20 having constant velocity joints 21 and 22 at both ends, thereby reducing an increase in steering torque.

The invention discloses an LCD (liquid-crystal display) at least including a backlight module, a light source group, a rubber frame, an LCD panel module and a PCB (printed-circuit board). The backlight module at least includes a metal back plate, wherein the metal back plate at least includes a bottom plate and a side plate; the light source group is arranged in the metal back plate; the rubber frame is arranged on the outer edge of the metal back plate and attached to the outer side surface of the side plate of the metal back plate, wherein the rubber frame at least include a spring pressingpiece; the LCD panel module is arranged on the backlight module; and the PCB is electrically connected with the LCD panel module and arranged on the outer side of the backlight module, wherein the PCB at least includes a grounding area, and the spring pressing piece correspondingly presses the PCB for enabling the grounding area to be in direct contact with the metal back plate.

The invention provides a lubricating oil composition for a motorcycle shock absorber. The lubricating oil composition comprises the following components in percentage by weight: 1-20% of viscosity index improver, 0-1.0% of extreme-pressure antiwear agent, 0.05-1.0% of antioxidant and antiwear agent, 0.001-0.01% of demulsifier, 0.0001-0.01% of antifoaming agent, 0.05-1.4% of pour point depressant and the balance of base oil. According to the invention, the lubricating oil composition has the advantages of proper viscosity index, good viscosity-temperature performance, good low-temperature property, excellent rubber compatibility, and good corrosion resistance and oxidation resistance, and can be also used for lubricating a bicycle saddle shock absorber.

The invention relates to a subway grounding grid construction method, which comprises the following steps: the accurate positions for the installation of a horizontal grounding body and a vertical grounding body are determined; ditches are excavated; the horizontal and the vertical grounding bodies are produced and installed; grounding outlet wires are installed; the ditches are backfilled and tamped; in the process of the production and installation of the horizontal grounding body and the vertical grounding body, both the horizontal grounding bodies and the horizontal grounding body and the vertical grounding body are connected by heat release weld that is improved; the horizontal grounding body uses copper bars; the vertical grounding body uses copper tubes; the grounding grid grounding outlet wires use the copper bars. The subway grounding grid construction method has the advantages of high construction efficiency and excellent welding quality, fully guaranteeing the quality of a subway grounding grid project, and effectively preventing the phenomenon of the theft of grounding outlet wires after the installation method of the subway grounding grid grounding outlet wires is improved.

A plasma display apparatus including: a plasma display panel; a non-conductive chassis disposed on a rear portion of the plasma display panel to support the plasma display panel; a circuit unit disposed on a rear portion of the chassis to drive the plasma display panel; and a conductive member disposed between the plasma display panel and the chassis, having at least a part that is slit and protruded toward the chassis. In addition, the circuit unit includes a grounding portion having a grounding voltage and the grounding portion is electrically connected to the protruding portion of the conductive member.

The invention discloses a heat dissipation processing device and a mobile terminal. The device comprises a mobile terminal metal stand subjected to low-thermal-conductivity surface removal treatment, a first heat conducting material with rough surface, and a PCB (printed circuit board) with a multilayer structure, wherein the mobile terminal metal stand is located between a mobile terminal LCD (liquid crystal display) and the PCB; the space between the mobile terminal metal stand and the PCB is filled with the first heat conducting material; large-power devices on the PCB are arranged at a middle position of the device surface of the PCB, and are kept with gap between the devices; at least one layer of ground copper is arranged in the PCB; ground copper is arranged on the bottom or other positions of the large-power devices on the device surface of the PCB; and a ground hole is formed on the device surface of the PCB. Based on the technical scheme provided by the invention, the heat dissipation processing device provided by the invention can improve the overall electromagnetic compatibility index, radio frequency index and structural reliability index while the mobile terminal electronic system is subjected to the effective heat dissipation treatment.

A composite suspension device for torsion bar coil springs comprises two symmetrical suspension devices with double wishbones, wherein each suspension device comprises a suspension support (5), a telescopic shock absorber (4), an upper suspension lever (3) and a lower suspension lever (3), a main flexible element employs a coil spring (1) and a supplementary element uses a torsion bar spring (9). The invention can be used for rear axles of off-road vehicles. The suspension system realizes large travel, heavy load and variable rigidity characteristic, simultaneously reduces processing difficulty of coil springs, decreases shear stress which each elastic element receives in operational process, thereby prolonging the service life of coil springs, increasing reliability of the suspension system and the entire car and decreasing processing and manufacturing costs of the suspension system.

The invention discloses a structure for reducing the equivalent unsprung mass of a single cross arm suspension wheel-side electric driving system; an elastic rubber is supported on a rack in a hinging way; one end of an oscillating arm of a single cross arm suspension is connected with the elastic rubber in a hinging way; the other end of the oscillating arm of the single cross arm suspension is connected with an electric machine which is fixedly arranged on a speed reducing case; the speed reducing case is connected with a half shaft sleeve pipe; a power output end of the electric machine isconnected with a pinion gear which is meshed with a main gear; the main gear is connected with the half shaft sleeve pipe; and after the electric machine is decelerated by the gears, the power is output to rims so as to drive wheels. The distance from the mass center of parts which are not concentric with the wheels to the oscillation central axis of the single cross arm suspension is reduced, namely, the equivalent unsprung mass is reduced. The structure has the advantages of reducing the equivalent unsprung mass of the wheel-side driving system so as to increase vibration frequency of the wheels, reduce resonance vibration and impact and vibration from road surfaces and improve smoothness of automobile driving.

A wireless communication module assembly includes a main board having a top surface on which a plurality of grounding pads are provided, a circuit board unit, and a metal cap. The circuit board unit has a bottom surface electrically mounted on the top surface of the main board, a top surface with a plurality of grounding pads, and a plurality of notches corresponding to the grounding pads of the main board. The metal cap covers the circuit board unit and has first mounting legs respectively and electrically connected with the grounding pads of the circuit board unit, and second mounting legs respectively passing through the notches of the circuit board unit and electrically connected with the grounding pads of the main board.

A pneumatic tire comprising one or more sipes having a depth (D) and, as seen in a widthwise section of the sipe, a perpendicular portion and a bend portion. The bend portion has, a first sub-bend point in a depth region of D/2-D/7, a main-bend point in a depth region of D/4-3D/4, and a second sub-bend point a depth region of D/2-6D/7, forming first and second inclined sections between the bend points. Each of the first and second inclined sections forms acute angles (θ1, θ2) of 30°≦θ1≦60° and 30°≦θ2≦60°, relative to a tangent of tread surface. The first inclined section has an area (a1) and the second inclined section has an area (a2), and ratios (a1/A and a2/A) of the area (a1) and (a2) to an orthographic projection area (A) of the sipe are not less than 0.1.

A non-pneumatic tire (11), includes: a mount body (111) that is mounted on a shaft (S); an outer cylindrical body (113) encircling the mount body from outside thereof in a radial direction of the tire; connecting members (115) arranged in a circumferential direction of the tire therebetween and connecting the mount body and the outer cylindrical body such that the mount body and the outer cylindrical body are resiliently movable relative to each other; and a cylindrical tread portion (116) encircling the outer cylindrical body from outside thereof in the radial direction of the tire. In addition, the outline of a cross-section of an outer surface (116c) of a central area (129) of the tread portion taken in a width direction of the tire is a curved line bulging outward in the radial direction of the tire, and the central area includes at least a tire equator (E).