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38results about How to "Reduced ground area" patented technology

Compact PIFA antenna

ActiveUS10205239B1Antenna area can be reducedSuitable impedance bandwidthElectromagnetic wave systemSimultaneous aerial operationsPlanar inverted f antennaEngineering
Various planar inverted-F antenna configurations may include an antenna element formed on the top of a PCB and a ground element formed on the bottom of the PCB. Two or more slots may be included in the antenna element for reducing the antenna area while maintaining a suitable impedance bandwidth. A slot may be included in the ground element for reducing the ground area while increasing radiation efficiency. A folded ground may be formed on the top of the PCB for reducing system area while maintaining suitable performance. By moving the folded ground closer to the antenna element and increasing the PCB thickness, significant reductions in system area may be achieved, while maintaining or improving performance in terms of radiation pattern, radiation efficiency and impedance bandwidth.
Owner:ENERGOUS CORPORATION

Water filtration module and method for the manufacture and use thereof

ActiveUS20130098821A1Reduce ground area requiredReducing their engineering and deployment costMembranesUltrafiltrationEngineeringFiber
A water filtration module (10) is made of hollow fibers for filtration from the outside to the inside of the fibers, wherein the fibers are arranged inside a casing (11) made of multiple elements (20). The module (10) and at least one element (20) include elements working together, which are designed to enable the element (20) to be mounted in the module (10) in a removable manner.
Owner:POLYMEM

Tire

The present invention relates to a tire which is capable of taking into account snow running and running performance on a dry road surface.A tire comprises a tread portion provided with a first crown main groove (3A) continuous in the tire circumferential direction, a second crown main groove (3B) continuous in the tire circumferential direction, and a center land zone (6) defined therebetween. The center land zone (6) is provided with first center lug grooves (11) extending from the first crown main groove and terminating within the center land zone. Between the adjacent first center lug grooves (11, 11), a first corner portion (13a), which is formed between a ground contacting surface of the center land zone (6) and a groove wall (3AW) of the inboard first crown main groove, is provided with a first part (21a) and a second part (22a) which are arranged in the tire circumferential direction, wherein the first portion is chamfered, and the second part (22a) is not chamfered or less chamfered than the first part.
Owner:SUMITOMO RUBBER IND LTD

Pneumatic tire

The invention provides a pneumatic tire which can uniformly improve the noise performance, snow rode performance, and ice rode performance. The pneumatic tire is provided with a center pattern block (5) and a middle pattern block (6). The two pattern blocks are provided with a plurality of sipes (14). A central transverse groove (4A) is inclined at an angle in the range of 5-20 degrees, and the average groove width is 7-15% of the maximum length (L3) of the center pattern block. A middle transverse groove (4B) is inclined at an angle in the range of 5-25 degrees, and the average groove width is 7-11% of the maximum length (L4) of the middle pattern block (6). In the grounding surface under the standard load state, the tire circumferential distance (La) of a first intersection point (K1) and a second intersection point (K2) is 0.75-1.00 times of the difference (L5-L6) of the length of the grounding surface at the tire equator position (Ce) and the length of the grounding surface at the middle position (6c) of the middle pattern block, and the first intersection point is obtained by the intersection of the central transverse groove and a central main groove (3A), and the second intersection point is obtained by the intersection of the middle transverse groove and the central main groove.
Owner:SUMITOMO RUBBER IND LTD

Pneumatic tire

A pneumatic tire 10 in which a plurality of circumferential main grooves 11 that extend in the tire circumferential direction are formed in a tread surface portion, and a plurality of land portion rows 14 are partitioned by the circumferential main grooves 11, in which in at least one of the plurality of the land portion rows 14a circumferential auxiliary groove 15 extending in the tire circumferential direction and having a narrower width and shallower depth than those of the circumferential main grooves 11 is formed in a position avoiding the tire centerline CL, and among both side faces 15a and 15b defining the circumferential auxiliary groove 15, one side face on the tire centerline side extends along the normal direction of the tread surface portion or is inclined to the tire centerline side by 5 DEG or less with respect to the normal direction, and the other side face on the side opposite to the tire centerline side is inclined to the side opposite to the tire centerline side by 10 DEG to 30 DEG with respect to the normal direction. In accordance with the present invention, it is possible to improve the turning performance on snowy roads without decreasing the steering stability or quietness during travel on a dry road surface.
Owner:BRIDGESTONE CORP

Gas-insulated circuit-breaker with an integrated electronic current transformer

The single-phase circuit-breaker comprises at least one interrupting chamber formed by an insulating tube filled with an insulation gas, and it comprises at least one current transformer whose secondary is disposed in air around the primary at one end of the tube. The primary is at the high voltage electrical potential of the phase and is constituted by an annular metal support. The secondary is subjected to a high voltage electrical potential that is practically equal to the potential of the primary. The current transformer is thus integrated in the circuit-breaker, and the measurement electronics associated with the secondary can be located in air close to the secondary.
Owner:ALSTOM TECH LTD

Elastomer creeper tread

The invention provides an elastic body track shoe installed on an annular chain link (11). The ground contact surface of the elastic body (3) forms a When grounding, the side surfaces of both wing ends are higher than the side ends of the recessed part (5), and the inclined grounding surface (3a) is inclined relative to the installation surface (2a) of the chain link. The inclined grounding surfaces (3b, 3d) may also be curved surfaces. It is preferable to make the surrounding of the inclined grounding surface (3c) an inner curved surface or an outer curved surface. Therefore, the vehicle can be turned smoothly on a hard and flat road surface, and has the advantage of long service life.
Owner:KOMATSU LTD

Gas-insulated circuit-breaker with an integrated electronic current transformer

The single-phase circuit-breaker comprises at least one interrupting chamber formed by an insulating tube filled with an insulation gas, and it comprises at least one current transformer whose secondary is disposed in air around the primary at one end of the tube. The primary is at the high voltage electrical potential of the phase and is constituted by an annular metal support. The secondary is subjected to a high voltage electrical potential that is practically equal to the potential of the primary. The current transformer is thus integrated in the circuit-breaker, and the measurement electronics associated with the secondary can be located in air close to the secondary.
Owner:ALSTOM TECH LTD

Portable computer electrical grounding and audio system architectures

A portable computing device having a substantially non-conducting outer housing and alternative electrical grounding and audio system architectures is disclosed. The device can be a laptop computer having a main logic board, a keyboard assembly, an audio source positioned below the keyboard assembly, and an equalizer electrically coupled to the audio source, with each of these components being electrically coupled to a universal grounding structure. The audio source emits sound waves that are propagated through the keyboard assembly and between gaps between keyboard keys and the outer housing. Settings for the equalizer can be selected to account for sound absorption and amplification characteristics of the sound waves along these sound transmission paths. The universal grounding structure includes a plurality of separate ground components that are electrically intercoupled, each being substantially smaller than the overall portable computing device, and also includes an electromagnetic interference shield around the main logic board.
Owner:APPLE INC

Feeding Device for Cattle and Small Livestock

A feeding device is for cattle and small livestock, in which a loading and closing member is pivotably attached to the outer portion of a feed table. Further, a longitudinal elastic lip member is arranged to abut against an overlying building structure.
Owner:BYBERG EGIL

Driving wheel mechanism of electric scooter

The invention discloses a driving wheel mechanism of an electric scooter, comprising a bracket, a brushless motor, wheel cores and tires. The driving wheel mechanism is characterized in that the driving wheel is composed of the wheel cores, the brushless motor and the tires, wherein the brushless motor is provided with a bidirectional output shaft; the tapered wheel cores are symmetrically sleeved at the two ends of the brushless motor; each tire covers the periphery of each wheel core and the tire is correspondingly of a taper shape; the whole body of the driving wheel is in a shuttle shape; the brushless motor is in an inner rotor type; a motor shaft and the wheel cores are fixedly arranged; the wheel cores and a motor shell are rotatably arranged; the upper end of the bracket is connected with a plate body; and the lower end of the bracket is connected with the motor shell. According to the driving wheel mechanism of the electric scooter, the driving wheel is internally provided with the brushless motor, so that a large quantity of transmission parts are saved and a better space utilization rate is obtained; a fault rate is reduced and the transmission efficiency is correspondingly improved at the same time. The driving wheel mechanism of the electric scooter also can be applied to steering a vehicle; the whole body of the driving wheel is designed in the shuttle shape so that a centre-of-gravity shift effect is very obvious in a steering process; and the ground contact area of the tire is reduced and the driving wheel mechanism is more portable.
Owner:路海燕

Helicopter wheel undercarriage sled

The invention relates to the field of helicopter design, and provides a helicopter wheeled undercarriage sled, including a skid plate, a bushing, a threaded shaft and rubber buffer ropes, the skid plate is arranged at the position of an undercarriage wheel shaft by the bushing and the threaded shaft, and can freely rotate, one ends of the four rubber buffer ropes are connected with a connector of the skid plate, and the other ends are connected to a connector of the fuselage, and the skid plate is pre embedded with the bushing. Before the installation of the sled, the helicopter main wheel ground contact area is smaller; after the installation of the sled, the ground contact area is increased, so that the helicopter can take off and land on soft snow land without sinking down.
Owner:HARBIN

Water-proof soap box

The invention relates to the field of daily living equipment, in particular to a water-proof soap box. The water-proof soap box comprises a soap box body which is provided with a first bottom surface and a second bottom surface, a plurality of drain holes are formed in the first bottom surface and the second bottom surface, an arc soap tray is arranged on the first bottom surface in a protrusive mode, drain ditches are formed in the soap tray, and air convection is formed between the drain ditches and the drain holes in the first bottom surface and the second bottom surface. The water-proof soap box has the advantages that water is prevented from being accumulated in the soap box body.
Owner:蔡鹤飞

Double-tire structure wheel with adjustable grounding area

The invention belongs to the technical field of tires, and relates to a double-tire structure wheel with an adjustable grounding area, which comprises a main wheel solid tire 1, a main rim 2, an auxiliary transmission shaft 3, a small locking bolt 4, a limiting block 5, an auxiliary rim 6, a large locking bolt 7, an auxiliary wheel outer tire 8, a one-way bearing 9, an auxiliary wheel inflatable inner tire 10, an air adjusting valve 11 and a main transmission shaft 12. A double-tire structure is adopted; under different road surfaces or different driving states, the outer diameter of the auxiliary wheel outer tire is changed by adjusting the air pressure of the auxiliary wheel outer tire, the grounding area of the tire is thus changed, the purpose of reducing the brake distance to improvethe safety performance is thus realized, the advantages of being simple in structure, convenient to use, reasonable in design, practical, efficient and the like are achieved, the main tire and the auxiliary tire can be connected with the hub and the motor, and therefore kinetic energy recovery and hybrid acceleration are achieved.
Owner:JINLING INST OF TECH

Loading wheel chain assembly

The invention relates to the technical field of vehicles, in particular to a loading wheel chain assembly which comprises loading wheels and loading wheel suspensions, the loading wheels are mounted on the loading wheel suspensions, and the loading wheel suspensions are sequentially connected in series and hinged to form the loading wheel chain assembly flexible in form. The loading wheel chain assembly can be used as a loading wheel and a track supporting wheel, and can guide a rubber track by limiting the transverse displacement (in the width direction of the track) of the rubber track, so that the situation of belt separation is avoided. Due to the flexible form of the loading wheel chain assembly body, the grounding part of the walking system can better conform to the topographic change, and the grounding area of the walking system can be conveniently adjusted.
Owner:中国人民解放军陆军军事交通学院军事交通运输研究所

A metal and rubber composite wear-resistant track

A metal and rubber combined type wear-resisting crawler belt comprises a crawler belt body, wherein, a metal framework is arranged in the crawler belt body, the metal framework comprises a crawler belt support face and a crawler tooth driving face, a wear-resisting platform is arranged at the bottom of the crawler tooth driving face, all areas, except for the wear-resisting platform, of the metal framework are wrapped inside a rubber layer, rubber teeth are arranged on the rubber layer, and the rubber teeth which are located at the position of the wear-resisting platform protrude downward to form a rubber boss; driving teeth are arranged on an outer surface layer of the crawler belt body, and meanwhile an inner surface layer of the crawler belt body is provided with driving grooves and limiting teeth; in addition, the crawler belt support face and the crawler tooth driving face of the metal framework are connected through metal frame supports. According to the metal and rubber combined type wear-resisting crawler belt, a variable cross-section structure is adopted, when a crawler vehicle is driven on a hard surface ground, under the action that the rubber boss and the wear-resisting platform are in contact with the ground simultaneously, the ground contact areas of the driving teeth are reduced, and it is facilitated to lower the abrasion of the crawler belt and reduce diversion resisting moment; when the crawler vehicle conducts field operation, the driving teeth are all in contact with the ground, so that it is facilitated to improve the driving capability of the crawler belt.
Owner:HUNAN AGRICULTURAL UNIV +1

A wet tire with high operational stability

The invention provides a wet tyre with high operational stability, which is enhanced in driving performance, braking performance and turning performance on wet roads and icy roads while maintaining the basic wet tyre performance, has low probability of abrasion and is relatively long in service life. The wet tyre comprises a tread in which a plurality of circumferential main grooves extending in the circumferential direction of the tyre and a plurality of patterned grooves extending in the width direction of the tyre are formed, and the circumferential main grooves and the patterned grooves define a plurality of patterned blocks. The wet tyre is characterized in that the patterned blocks are ladder-like, contour lines of the patterned blocks at 20% and 40% of the depth of the circumferential main grooves are respectively named as a first contour line and a second contour line, the top surface areas of all the patterned blocks on the tread are named as the actual ground contact area of the tyre, and the ratio of the sectional areas of the patterned blocks below the first contour line to the area of the tread is S1, the ratio of the sectional areas of the patterned blocks below the second contour line to the area of the tread is S2, the ratio of the actual ground contact area to the area of the tread is S3, S1 / S2 is larger than or equal to 1.07 and smaller than or equal to 1.42, and S2 / S3 is larger than or equal to 1.09 and smaller than or equal to 1.56.
Owner:CONTINENTAL TIRES (CHINA) CO LTD

Tire

According to the invention, the driving performance and the wear resistance on a low mu road and a snow road are improved in a balanced manner. A tire (1) has a tread portion (2). The tread portion (2) includes a longitudinal groove (3) and a land portion (5). The land portion (5) is provided with a first lateral groove (6) and a sipe (7). The first lateral groove (6) extends in the tire axial direction from the first circumferential edge (5e) and has an inner end (6i) interrupted within the land portion (5). A tie bar (8) is provided on the inner end (6i) side of the first transverse groove (6) at a length smaller than the length (L1) of the first transverse groove (6). The sipe (7) includes a first sipe portion (10) extending from the second circumferential edge (5i) toward the first lateral groove (6), and a second sipe portion (11) extending on the tie bar (8).
Owner:SUMITOMO RUBBER IND LTD

High-voltage combined electrical apparatus

A high-voltage combined electrical apparatus includes a transformer, at least one circuit breaker, at least one oil / gas separation module and at least one operating mechanism. In an embodiment, the circuit breaker includes a ceramic insulator, an upper outgoing line seat, a lower outgoing line seat, and a disconnecting mechanism connected there between. The oil / gas separation module includes a first end electrically connected to a transformer coil of the transformer, and a second end electrically connected to the lower outgoing line seat. The operating mechanism is connected to and controls the disconnecting mechanism. The high-voltage combined electrical apparatus of an embodiment integrates a circuit breaker and a transformer, omitting the conventional transformer oil / gas sleeve and overhead line, so that the structure thereof is simpler, the cost is lower, the area of ground occupied by the equipment is reduced, and the occurrence of short circuits associated with overhead lines is avoided.
Owner:SIEMENS ENERGY GLOBAL GMBH & CO KG

Underground cable and wire laying robot

The invention discloses an underground cable and wire laying robot. The robot structurally comprises a mobile device, a supporting column, a camera and a central controller. The mobile equipment is embedded and fixedly mounted under the supporting column. A central controller is mounted on the upper end surface of the supporting column through welding. The camera is embedded and clamped on the left side end surface of the central controller. When the pressure at the upper end of the equipment in movement is unbalanced or the pressure is locally concentrated due to the pressure, the triangularouter contour formed by the movable rod and the crawler belt in the pressure dividing mechanism can be used for uniformly transmitting the soil to the lower end plane and the tension plate, so that the problem of calculation errors of the infrared scanner due to soil accumulation or forming of a concave outer contour caused by uneven pressure dividing of the outer contour due to gravity stress canbe effectively avoided.
Owner:GUANGZHOU LIANJIANG SOFTWARE DEV LLC

Purification system having pipelines arranged at different levels in height direction

Disclosed in the present invention is a purification system having pipelines arranged at different levels in a height direction, comprising: a first purifier and a second purifier disposed side by side symmetrically; an air input pipeline, an air output pipeline and a waste nitrogen input pipeline, wherein the air input pipeline, the air output pipeline and the waste nitrogen input pipeline are disposed at different heights, the gap between pairs of pipelines being determined so as to facilitate overhaul of three-stem valves, a value W being smaller than a value W when the air input pipeline, the air output pipeline and the waste nitrogen input pipeline are arranged in parallel on the ground, and the purification system further comprises: a three-stem valve platform formed by a framework structure in a number of levels, to facilitate overhaul of the three-stem valves. In the present invention, the rational layout of purification system pipelines greatly reduces the ground space taken up by the purification system, and the provision of the three-stem valve platform enables a hoisting device and a forklift truck to be conveniently used instead of a mobile crane, reducing the requirement for additional overhaul space.
Owner:LAIR LIQUIDE SA POUR LETUDE & LEXPLOITATION DES PROCEDES GEORGES CLAUDE

Pneumatic tire with tread having long hole shaped depressions

In the invention, a tread surface is provided with a groove portion including a main groove continuously extending in a tire circumferential direction, and a land portion including a rib or a block separated by the main groove, wherein the land portion includes a first edge portion having a depression row formed by arranging long hole shaped depressions extending along the groove portion in the tire circumferential direction and a second edge portion extending along the main groove while being different in position in a tire width direction from the first edge portion, and not having the depression row.
Owner:TOYO TIRE & RUBBER CO LTD
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