346results about How to "Reduce width size" patented technology

The invention discloses a construction method of a multi-point whole incremental launching steel box girder, which belongs to the field of bridge engineering. The construction method uses a dental plate with a tooth socket, which is arranged on a steel box girder and a guiding beam web plate, a jacking force is supplied by an incremental launching jack, wherein a piston rod of the incremental launching jack is equipped with a slider, on which a spinous block with an inclined plane and a control spring are arranged, the inclined plane is arranged on the side of the incremental launching jack, the steel box girder and the guiding beam are applied with the jacking force through the push travel of the incremental launching jack, and the spinous block withdraws from the tooth socket during the return to enter into a next push travel. The construction method also supplies the support and adjusts the elevation of corresponding points through lifting-up the jack, simultaneously the incremental launching jack and the upper portion of the incremental launching jack are all equipped with a displacement sensor and a pressure sensor to collect information, thereby controlling an incremental launching process. The construction method has less consumption of steel material, a support reaction and a thrust force are capable of being controlled, and the problem of the rotation angle of the steel box girder is capable of being excellently solved.

A densely packed electronic assemblage has a substrate medium for supporting at least one heat generating component and means for reducing the temperature of the at least one heat generating component. A heat sink cooperates with the at least one heat removing element for reducing heat of the heat generating component by absorbing heat from the at least one heat generating component.

An ultracapacitor energy storage cell pack includes an ultracapacitor assembly having a plurality of series connected ultracapacitors and balancing resistors, each balancing resistor connected in parallel with each ultracapacitor to automatically balance each ultracapacitor over time, thereby automatically over time discharging the ultracapacitors of the ultracapacitor assembly; an enclosure to enclose and protect the ultracapacitor assembly; a controller for the ultracapacitor assembly; and one or more temperature sensors to monitor temperature of the ultracapacitor assembly and coupled to the controller.

An ultracapacitor energy storage cell pack including an ultracapacitor assembly including a plurality of ultracapacitors in series; a plurality of interconnections for mechanically and electrically interconnecting the ultracapacitors; and a plurality of balancing resistors, each balancing resistor in parallel with each ultracapacitor to form a resistor divider network that automatically discharges and equalizes each ultracapacitor over time, thereby balancing the ultracapacitors of the ultracapacitor assembly, and each balancing resistor directly mechanically and electrically connected to an associated interconnection.

A baby carriage includes: a pair of front legs; a pair of connecting members; a pair of guide sleeves respectively fixed to intermediate regions of the pair of front legs, a pair of rear legs having their upper ends pivotally connected to the connecting members, respectively; a pair of push bars slidably held by the pair of connecting members and the pair of guide sleeves, respectively; a pair of slide members provided slidably on upper regions of the pair of rear legs, respectively; a back cross member having its upper end pivotally connected to the pair of slide members and its lower end pivotally connected to respective lower regions of the pair of rear legs; and a bottom cross member having its front end pivotally connected to respective lower ends of the pair of push bars, and its rear end pivotally connected to respective intermediate regions of the pair of rear legs.

An electronic control device including a circuit board, a connector with connector pins having a board connecting portion at which the connector pins are electrically connected with the circuit board, a pair of housing members accommodating the circuit board and the connector therebetween, a waterproof seal portion through which connection between the connector and the pair of housing members and connection between the pair of housing members are provided in a fluid-tight manner, the waterproof seal portion including a connector-side waterproof seal portion disposed between the connector and one of the pair of housing members which is opposed to the board connecting portion of the connector pins, and a barrier portion disposed between the board connecting portion of the connector pins and the connector-side waterproof seal portion.

A densely packed electronic assemblage has a substrate media for supporting at least one heat generating component and means for reducing the temperature of the at least one heat generating component. A heat sink cooperates with the heat removing element for reducing heat of the at least one heat generating component by absorbing heat from the at least one heat generating component.

An electronic control device including a circuit board, a connector with connector pins having a board connecting portion at which the connector pins are electrically connected with the circuit board, a pair of housing members accommodating the circuit board and the connector therebetween, a waterproof seal portion through which connection between the connector and the pair of housing members and connection between the pair of housing members are provided in a fluid-tight manner, the waterproof seal portion including a connector-side waterproof seal portion disposed between the connector and one of the pair of housing members which is opposed to the board connecting portion of the connector pins, and a barrier portion disposed between the board connecting portion of the connector pins and the connector-side waterproof seal portion.

The invention discloses a smelting process for controlling spring steel inclusions. The smelting process comprises the following steps of (1) KR molten iron desulfurization pretreatment, (2) BOF top-bottom double combined flowing converter smelting, (3) LF furnace refining, (4) RH furnace refining and (5) continuous casting process, wherein the mass fraction of S is controlled to be below 0.005% after molten iron is processed by the step (1); the step (3) is carried out by high-purity silicon carbide for diffusion deoxidation, and the refining slag alkalinity is controlled to be 0.6-0.9; a lowalkalinity slag process is adopted in the step (4), and the final slag alkalinity is 0.5-0.7; and it is ensured that a molten steel contact part is free of aluminum in the step (5), a double electromagnetic stirring process is adopted in a secondary cooling zone and a casting blank solidification end zone, and a central carbon segregation index is controlled to be below 1.15. The smelting processadopts molten iron pretreatment, converter catching carbon, refining low alkali slag, continuous casting protective pouring and special refractory materials. Through the control over the oxygen potential of molten steel, the inclusion form and the central carbon segregation, the spring drawing performance is improved, and the spring fatigue limit is increased.

A printed circuit board terminal includes a rectangular metal wire rod having a substantially rectangle cross-section. One longitudinal end portion of the printed circuit board terminal includes an insertion portion that is configured to be inserted into a through hole provided in a printed circuit board and soldered. A conducting metal plated layer is provided on an entire surface of the rectangular metal wire rod. One marginal portion of the insertion portion, which faces a long side direction of the rectangle cross-section, is removed to reduce a dimension in the long side direction corresponding to a width direction.

The invention discloses a method for manufacturing a mask plate. The method is completely different from an existing etching process, and includes the steps that 1, a metal supporting layer is manufactured; 2, the surface of the metal supporting layer is covered with a film; 3, the light-blocking film layer is subjected to exposure; and 4, the light-blocking film layer is developed. According to the magnetic mask plate manufactured through the method, the organic mask layer of the mask plate can be quite thin, the width of an opening is further made smaller, and therefore the finally formed magnetic mask plate can be subjected to coating by evaporation to form OLED products of higher resolution ratios.

The invention adopts a multi-layer arrangement method of a fluidized-bed boiler bottom air-feeding plates and the integral hearth bottom consists of three independent air-feeding plates. One air-feeding plate is disposed in the lowerest part of the hearth and on the above air-feeding plate are overlaid the other air-feeding plates, so as to realize the step charging, the step air-supply and the fractional combustion of the recirculating fluidized-bed boiler. By regulating the blast volume and the fuel flow of each air-feeding plate, the uniform combustion and air-supply of the boiler can be realizer.

The invention relates to a branch crushing vehicle. The vehicle comprises a chassis, a transmission shaft, a power distributor, a gear case, a material storage bin, a belt transmission mechanism, a crusher, a hydraulic valve, a hydraulic pump, a hydraulic motor, an engine, a rear axle and support legs, wherein the engine, the hydraulic pump, the power distributor, the gear case and the rear axle are fixed on the lower side of the chassis of the vehicle; the crusher and the material storage bin are arranged above the chassis of the vehicle; the transmission shaft is connected with an output shaft of a gear box of the engine and an input shaft of the power distributor, and a first output shaft of the power distributor is connected with a transmission input shaft of the gear case; and both ends of a transmission output shaft of the gear case are in transmission connection with the belt transmission mechanism and the hydraulic pump respectively, the belt transmission mechanism and the hydraulic pump are in transmission connection with a cutter head shaft and a feeding roller of the crusher respectively, and a second output shaft is connected with the rear axle. The vehicle has the advantages that: branches are crushed at any time and in any place, the conveying efficiency is improved, and the operating cost is lowered; because the milling mode is adopted for cutting, the crushing efficiency is high; and the occupied area is small, and the vehicle hardly affects traffic when working.

A portable plastic film wrapping system comprises a push-cart having a vertical mast member mounted thereon, and a film roll carriage is vertically movable along the mast member. The film roll carriage is operatively connected to negator spring members by a film roll carriage lift cable, and a holding pawl mechanism is adapted to be movable between ENGAGED and DISENGAGED positions with respect to the film roll carriage lift cable. When the holding pawl mechanism is moved to its DISENGAGED position, the negator spring members cause the film roll carriage to be vertically elevated, whereas when the holding pawl mechanism is disposed at its ENGAGED position, movement of the film roll carriage lift cable, and the film roll carriage, is effectively prevented. The film roll carriage can also be controllably moved in both upward and downward directions so as to achieve bottom-to-top, as well as top-to-bottom, wrapping modes of operation upon palletized loads.

The invention discloses a fascicular flexible circuit busbar wire. A flexible substrate comprises at least one cluster zone, at least one first connecting zone is formed at one end of the cluster zone, and at least one second connecting zone is formed at the other end of the cluster zone; both of the first connecting zone and the second connecting zone or one of the first connecting zone and the second connecting zone comprise an overlay structure; the flexible substrate can be in a single-sided board structure or a double-sided board structure and also can comprise an electromagnetic shielding layer; and a selected position in the cluster zone is rolled and bundled into a fascicular structure by using a rolling and bundling structure, and the rolling and bundling structure can be made of a shielding material, an insulating material or a combined shielding and insulating material.