370results 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 shaft current control brush ring assembly includes a cup and a brush ring assembly secured within the cup. The cup is secured to a motor faceplate, within a recess formed in the faceplate by interference fit, or by means of a clamp attached to the faceplate. A slinger can be associated with the brush ring assembly.

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.

A shielded cable connector takes the form of a plug connector that is terminated to a plurality of wires of a cable. The wires are terminated to an edge card and a premold portion is formed thereover. An exterior shielding braid of the cable is extended over the premold and is formed with the connector housing so that a portion of it is exposed on the exterior of the connector housing. This exposed portion contacts an exterior conductive collar that is supported on the connector housing. The sleeve has a plurality of spring contact arms so as to make electrical shielding contact between the cable braid exposed on the connector housing and an exterior metal guide into which the connector is inserted when mating to an opposing connector.

The invention discloses a circularly polarized ceramic antenna based on coupling and feeding of a strip line via multiple slots, comprising an upper microstrip antenna radiator, an upper dielectric substrate, a medium dielectric substrate, a lower feed strip line and a coaxial feeder, wherein the lower feed strip line comprises a dielectric substrate layer, upper and lower metal floor layers attached to the upper and lower surfaces of the dielectric substrate and a metal feeder in the middle of the dielectric substrate layer; feed slots formed by three cross slots are arranged in the center of the upper metal floor of the strip line; the metal feeder couples and feeds the upper microstrip antenna structure via the slots; and the upper and lower metal floor layers of the strip line are connected by cylindrical via holes. The antenna adopts the feed slots formed by three cross slots to increase operation bandwidth and the 3dB circularly polarized axial ratio bandwidth, adopts the squarering dielectric substrate and the strip line for coupling and feeding to increase the gain, has the characteristics of miniaturization, band broadening and compact structure, and is convenient in processing and integration.

The contact patch of the center land portion partitioned by the center side main grooves (22A)protrudes outward in the tire radial direction from the overall standard profile line R of the tread portion. The maximum protruding amount PA is not less than 1.0% and not more than 2.5% of the tire width direction dimension of the center land portion. The contact patch of the intermediate land portion partitioned by the center side main groove and the shoulder side main groove protrudes outward in the tire radial direction from the standard profile line. The maximum protruding amount is not less than 0.7% and not more than 2.0% of the tire width direction dimension of the intermediate land portion. The maximum protruding amount of the center land portion is greater than the maximum protruding amount of the intermediate land portion.

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. Two suspension oil cylinders are arranged between wheel edges of wheels on two sides and a frame respectively, and a steering mechanism drives the wheels on the two sides to perform steering. Two upper V-shaped swing rods and two lower V-shaped swing rods are arranged corresponding to the wheels on the two sides. Rod connection end portions of the two upper V-shaped swing rods are hinged to the upper portions of the wheel edges of the wheels on corresponding sides through spherical hinges respectively, and rod separation end portions of the two upper V-shaped swing rods are hinged to fixing members fixed below the frame along the lateral direction. Rod connection end portions of the two lower V-shaped swing rods are hinged to the lower portions of the wheel edges of the wheels on corresponding sides through spherical hinges respectively, and rod separation end portions of the two lower V-shaped swing rods are hinged to the fixing members fixed below the frame along the lateral direction. By means of the independent suspension system, possible frustrating effects caused by the suspension oil cylinders can be avoided, mutual independent motion of the wheel on the left side and the wheel on the right side can be achieved reliably, adhesion conditions of the ground are fully utilized, and control stability of the complete machine is improved. On the basis, the invention further comprises a crane with the independent suspension system.

An electric motor (10) and a speed reduction gear mechanism (11) are coupled by a flexible coupling (12) that is a power transmission mechanism such as an Oldham's coupling. A casing (11c) of the speed reduction gear mechanism (11) is formed integrally with a knuckle (5) as a component of vehicle's unsprung portion, or alternatively, is attached to the knuckle (5). Further, a motor case (10a) of the electric motor (10) is attached to a motor installation member (4m) via a shock absorbing mechanism (20), the motor installation member (4m) being provided on the lower side of a strut (4) for supporting the knuckle (5). The shock absorbing mechanism (20) has a spring member (21), a damper, and two guide members (23) for guiding the direction of operation of the spring member (21) and the damper. The construction allows the mass of the motor (10) to act as the mass of a dynamic damper. An in-wheel motor system thus obtained improves ground contact performance and ride quality of a vehicle traveling on a bad road and has good space efficiency.

A shaft current control brush ring assembly includes a cup and a brush ring assembly secured within the cup. The cup is secured to a motor faceplate, within a recess formed in the faceplate by interference fit, or by means of a clamp attached to the faceplate. A slinger can be associated with the brush ring assembly.

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 structure and method for reducing the equivalent unsprung weight of a wheel electrically-driven system of a single trailing arm type suspension, which is characterized in that an elastic rubber hinge is supported on a frame, one end of a swing arm of the single trailing arm type suspension is connected with the elastic rubber hinge, and the other end of the swing arm is connected with a reducer casing; the reducer casing is connected with a sleeve of a half axle; a motor is fixedly arranged on the reducer casing, the power output end of the motor is connected with a small gear, then the small gear is meshed with the large gear, and the large gear is connected with the sleeve of the half axle; and after the gear reducing is performed, the power is outputted to a rim by the half axle so as to drive wheels. The equivalent unsprung weight is reduced by reducing the distance between the mass centre of non-concentric parts of a wheel and a central swing axis of the single trailing arm type suspension. The structure and method disclosed by the invention have the advantages of increasing the vibration frequencies of wheels, reducing the resonance, reducing the impact and vibration from road surfaces, and improving the running smoothness of vehicles.

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.

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 I0 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.

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 provides an intermediate electrical connector. The intermediate electrical connector will not be enlarged, is capable of deviating along with positions of target connecting bodies and is easy to manufacture. Side faces of two sides of an intermediate body (10) are provided with to-be-supported parts (76A, 76B) supported by a supporting member (80). The supporting member (80) is formed of plate members facing the side surface portion of two sides of the intermediate connecting member. The plate members extend along the arranging direction and upper and lower directions of the intermediate connecting body and are in the arranging scope of the above arranging direction and the above intermediate connecting body. The supporting member includes a supporting portion accommodated in the supported portion or receiving the supported portion with a space in between.

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.

Disclosed is a road surface self-adapting rhombus lunar rover moving system, which comprises a rotational lunar rover frame, a front wheel, a rear wheel, a left wheel and a right wheel, wherein the front wheel, the rear wheel, the left wheel and the right wheel are installed on the lunar rover frame and are in rhombus arrangement. The front wheel and the rear wheel are respectively fixed on the lunar rover frame via a front suspension system and a rear suspension system, the left wheel and the right wheel are respectively fixed on the lunar rover frame via a left suspension system and a right suspension system, the lunar rover frame comprises a front lunar rover frame and a rear lunar rover frame, the left suspension system is fixed on a left hinge joint shaft, the right suspension system is fixed on a right hinge joint shaft, the left hinge joint shaft is fixedly connected with the rear lunar rover frame via a connecting base, a motor is fixedly installed at the end of the left hinge joint shaft, the output shaft of the motor is fixedly connected with the right hinge joint shaft, a hinge joint bearing base is fixed on the front lunar rover frame, the left hinge joint shaft and the right hinge joint shaft are in hinge joint with the front lunar rover frame via the hinge joint bearing base with bearings. The lunar rover moving system utilizes a novel structure of a rhombus chassis with four wheels and three shafts, which is compact in structure, high in light weight degree, convenient in posture adjusting, fine in off-road performance, strong in terrain adaptive capacity and high in reliability.

A cable connector assembly includes an electric connector having an insulating body, a first terminal group, a second terminal group, a latch member, and a first metal shell; and a second metal shell partially wrapping the periphery of a first metal shell. The first and second terminal groups have first and second ground terminals. The latch member is arranged in the insulating body and located between the first and second terminal groups. The latch member has a backward elastic arm partially protruding out of the insulating body. Both the first and second ground terminals are in electric contact with the latch member. The second metal shell has a cable-clamping portion for fixing a cable. The elastic arm elastically urges against the second metal shell.

The invention discloses a control method for improving the flat ground property of an excavating machine, which is characterized by comprising the following steps: at least a confluent circuit of the excavating machine hydraulic circuits is provided with a liquid control directional valve, the control end of the liquid control directional valve is connected with an electromagnetic valve, and the control end of the electromagnetic valve is connected with a controller; the controller sends out electrifying signals to connect the electromagnetic valve after the flat ground mode is started, the electromagnetic valve controls the direction change of the liquid control directional valve, the confluent circuit is closed and oil is solely supplied by a main valve core oil port; the electromagnetic valve lose electricity after the flat ground mode is shut down, and the liquid control directional valve resets to connect the confluent circuit. By arranging the liquid control directional valve in the confluent circuit, and controlling the direction change through an electromagnetic valve to control the on-and-off of the corresponding confluent circuit, the method realizes controlling the system compound action flow by a simple hydraulic circuit and obtaining an optimal flat ground property and comfort level.

A cable connector assembly (100) includes a frame (2) defining a opening (20) for attaching the cable connector assembly with a panel of the mating connector, a printed circuit board (3) assembled with the frame with a number of passageways (30), a connector (1) attached with the frame, having a number of terminals (10) assembled therein, and extending through the passageways, and a cable (4) with a number of conductors (40, 41) electrically attaching with corresponding terminals though the passageways.

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.