45results about How to "Small size design" patented technology

The invention discloses a high efficient microwave energy receiving board formed by secondary wavelength resonance structural units. Each of the unit is in a square structure. A layer of square sheet copper is plated in the middle of a Rogers circuit board of an intermediate layer; the sheet copper is formed by two right-angle isosceles triangles. Two sides of a slit between the two right-angle isosceles triangles are respectively connected with two input interfaces of a high frequency rectification chip and are used as input terminals of a high frequency rectification circuit; and four sides of the square sheet copper are respectively connected with their own long-strip sheet coppers respectively through strip-shaped sheet coppers. A layer of sheet base plate is fully plated under the circuit board of the intermediate layer; two crossed annular openings are opened in the middle of the sheet base plate; two small sheet coppers in the middle of the two annular openings pass through through holes of the circuit board and are respectively connected with two output terminals of the high frequency rectification chip; and a high frequency filtering capacitor is in parallel connection between the two sheet coppers. According to the invention, super high efficient receiving and conversion of microwave energy can be realized; the costs are low and the structure is simple; and efficiencies of receiving and conversion of energy are high; and therefore, the high efficient microwave energy receiving board can be widely applied to microwave energy transmission of various frequency ranges as well as research and development and application fields of receiving equipment.

The invention discloses a miniaturized ultrahigh frequency antenna based on split-ring resonator loading, which comprises an upper-layer substrate, a lower-layer substrate, three antenna units, at least three vertical substrates, split-ring resonators, a metal floor plate, a feed network and three feed probes, wherein the three antenna units are rotationally and symmetrically arranged between theupper-layer substrate and the lower-layer substrate; the at least three vertical substrates are rotationally, symmetrically and vertically arranged between the upper-layer substrate and the lower-layer substrate; the split-ring resonators are printed on the maximum surfaces of the vertical substrates respectively, and the split-ring resonators on the adjacent vertical substrates are electrically connected; the metal floor plate is printed on the upper surface of the lower-layer substrate; the feed network is printed on the lower surface of the lower-layer substrate and is used for receiving the ultrahigh-frequency signals and generating three paths of sequence feed signals with the same amplitude and the phase difference of 120 degrees in sequence; and the three feed probes are arranged between the upper-layer substrate and the lower-layer substrate and are used for respectively feeding the three paths of sequence feed signals to the three antenna units. The antenna has the advantagesof being small in size, low in cost, convenient to assemble and the like, and miniaturization, good electrical characteristics and dual-band application in the field of satellite communication can bemet.

The invention relates to micro type narrow rail single turned track switch, which comprises a straight basic rail and a curved basic rail; one side of the straight basic rail is disposed with a tongue rail which is connected with an outer curved rail through the curved connecting rail and the frog; the straight basic rail is disposed with a straight guard rail which is fixed on a two-hole backing plate; one side of the curved basic rail is disposed with a tongue rail which is connected with an outer straight rail through the straight connecting rail and the frog; the curved basic rail is disposed with a curved guard rail which is fixed on a two-hole backing plate; the two tongue rails are connected by a connecting rod; the connection points of the two tongue rails with the straight connection rail and the curved connection rail are connected with straight basic rail and the curved basic rail respectively through an interval iron; and the interval iron is fixed on a stepping backing plate. The beneficial effect of the invention is that: it is especially suitable for small inclined tunnels in the mining area in mine narrow rail transportation system or other narrow occasion with limited space in mounting place.

The invention discloses a measurement method for a spatial six-dimensional force, and the method is used for measuring the spatial six-dimensional force of an aircraft model, and employs a mode of combining a double-tail support and bracing wires. The method comprises the steps: considering the model to be fixed in an actual measurement process, building a mathematic model of a six-dimensional force withstood by the model in a space according to the principle of static equilibrium, measuring the component of an acting force withstood by the model through a three-directional pressure sensor installed at a tail supporting rod and a unidirectional force piezoelectric sensor connected with an upper bracing wire and a lower bracing wire, and achieving the measurement of the six-dimensional force withstood by the model through solving the built mathematic model. According to the invention, the method has the advantages in that the bracing wires are small in supporting interference and a hard-type supporting system is good in stability, and overcomes the difficulties of big vibration and instability when a narrow, long and heavy module employs a single-tail supporting mode. After the bracing wire auxiliary supporting is added, the method improves the rigidness of a testing system, reducing the pressure on the rigidness design of a tail support, and reduces the size of the tail support.

The invention discloses a driving device of a hand strap on an escalator or a moving pavement, comprising an axle rod, a friction wheel, a drive sprocket and a drive chain, wherein the axle rod is horizontally arranged on a truss of the escalator or the moving pavement; the friction wheel is sleeved at one end of the axle rod; the drive sprocket is sleeved at the other end of the axle rod; the drive chain is wound on the drive sprocket and is used for driving the drive sprocket to rotate; the hand strap goes around the friction wheel; the friction wheel is arranged inside the truss; and the drive sprocket and the drive chain are arranged outside the truss. Compared with the background art, the invention can narrow the width direction of the truss, realizes smaller size design and reduces the occupied sap space of the escalator or the moving pavement and cost.

The invention discloses a novel proton exchange membrane fuel cell. According to the proton exchange membrane fuel cell, a passage through which water, electricity and gas enter or exit from the cellis realized by designing a flow channel or a special convection zone in a diffusion layer, the phenomenon of 'bipolar plate removal' or 'bipolar plate flow channel removal' can be realized, the contact transmission resistance between the bipolar plates and the diffusion layer in the cell can be obviously reduced, and thus the PEMFC with high efficiency, low cost and long service life can be obtained.

The invention relates to a safety device (1; 101; 201) for a motor vehicle, having a lock holder (2; 102; 202), a pawl (3; 103; 203) and a rotary latch (4; 104; 204), wherein the rotary latch (4; 104;204) has a load arm (5; 105; 205), a catch arm (6; 106; 206), an opening direction of rotation (7; 107; 207), a closing direction of rotation (8; 108; 208), a pre-latching position and a main latching position, wherein the pawl (3; 103, 203) is latched in on the catch arm (6; 106; 206) in the pre-latching position and is latched in on the load arm (5; 105; 205) in the main latching position.

The invention discloses clothing treatment equipment. The clothing treatment equipment comprises a rotating barrel, a drainage hole and a plugging mechanism, wherein the rotating barrel can rotate inthe axial direction of the equipment, the drainage hole is formed in the lowest position of the bottom of the rotating barrel and the plugging mechanism is arranged at the lowest position to open or close the drainage hole, and the plugging mechanism covers the drainage hole and can rotate along with the rotating barrel when in a closed state. According to the clothing treatment equipment, a structure equivalent to an outer barrel is omitted, all washing water is contained in the rotating barrel, and the consumption of washing water is reduced. In addition, the problem of how to discharge water from the rotating barrel in the washing/dewatering process is effectively solved.

The invention relates to a method for decomposing a fiber material (9), and especially a method for decomposing waste paper. The fiber material (9) is transferred to a material decomposer (1) and is at least decomposed partly by mixing of a revolving member (3) and water (25). According to the method, after the material decomposer (1), at least a part (20,21,23) of the pre-decomposed fiber material (9) is transferred to a concentrator (30) used for concentration and a decomposition roller (12) used for further decomposition.

The invention relates to a safety device (1; 101; 201) for a motor vehicle, which has a striker (2; 102; 202), a pawl (3; 103; 203), a rotary latch (4; 104; 204) having an opening direction of rotation (7; 107; 207), a closing direction of rotation (8; 108; 208), and a main locking position, and preferably a front hood (66), wherein the safety device (1; 101; 201) has a blocking element (61; 161;261), which has a blockage position and a release position, and the rotary latch (4; 104; 204) is blocked in the closing direction of rotation (8; 108; 208) in the blockage position of the blocking element (61; 161; 261), wherein the rotary latch (4; 104; 204) is released in the closing direction of rotation (8; 108; 208) by the blocking element (61; 161; 261) in the release position of the blocking element (61; 161; 261) and lowering of the striker (2; 102; 202) is enabled in the main locking position of the rotary latch (4; 104; 204) and movement of the blocking element (61; 161; 261) from the release position to the blockage position is controlled by means of the pawl (3; 103; 203).

The present invention relates to a support structure for absorbing forces in a vehicle, comprising a support element 12, which encloses a hollow space 62 and comprises a number of openings 20, which is delimited by one or more boundary faces 22, a receiving body 32 for an assembly unit 34, which is inserted in one of the openings 20 so that the receiving body 32 at least partially projects into the hollow space 62, wherein the receiving body 32 comprises a wall 38 which at least in portions runs corresponding to the boundary faces 22 and with which the receiving body 32 makes contact with the boundary faces 22 of the support element 12. In addition, the invention relates to a corresponding receiving body, to a vehicle, which is equipped with such a support structure and to a method for assembling this support structure.

The invention relates to an electric drive unit, in particular as part of a hybrid module or a hybrid transmission, to a hybrid module for a motor vehicle, in particular for a hybrid motor vehicle, and to a drive assembly for a motor vehicle. An electric drive unit (1), in particular as part of a hybrid module (2) or a hybrid transmission, comprises a driveshaft (20) and a first rotation machine (30), the rotor (31) of which is rotationally fixed to the driveshaft (20), wherein an axial flow channel (10) is formed in the rotor (31) at a distance to the driveshaft (20), at least one component of the length of said axial flow channel running parallel to the rotational axis (3) of the rotor (31) such that heat can be transferred to a fluid in the axial flow channel (10) during the operation of the first electric rotation machine (30). By using the electric drive unit according to the invention, the hybrid module equipped therewith, and a drive assembly which comprises the hybrid module, an optimal cooling function can be combined with an inexpensive design while maintaining a low installation space requirement.

The invention relates to a safety device (1) for a motor vehicle, which has a striker (2), a pawl, an ejection spring (9) for ejecting the striker (2), and a rotary latch (4), wherein the rotary latch(4) has an opening direction of rotation (7), a closing direction of rotation (8), an open position, and a main locking position. The ejection spring (9) has a leg (27), the leg (27) lies directly against the striker (2) in the main locking position of the rotary latch (4) and the leg (27) lies directly against the rotary latch (4) in at least one intermediate position of the rotary latch (4), inwhich the rotary latch (4) is between the main locking position and the open position.

The invention is suitable for the technical field of MEMS chip manufacturing, and provides a hybrid stacked filter chip. The hybrid stacked filter chip comprises a substrate, an SAW resonance layer, a BAW resonance layer and a high-resistance sheet which are arranged in sequence. The BAW resonance layer is arranged between the substrate and the high-resistance sheet through supporting columns, a first cavity is formed between the BAW resonance layer and the substrate, and a second cavity is formed between the BAW resonance layer and the high-resistance sheet; the SAW resonance layer is arranged in the first cavity and is connected with the BAW resonance layer through a first wire. The substrate, the SAW resonance layer, the BAW resonance layer and the high-resistance sheet are longitudinally stacked to form a laminated module structure, so that requirements of different filtering frequency bands are met, and relatively high Q value design and smaller size design are achieved.