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55results about How to "No increase in size" patented technology

Coal thermal decomposition grate firing apparatus and its combustion method

The invention relates to a coal pyrolysis layer combustion device and the combustion method thereof, including that the furnace body interior of the first layer combustion furnace is divided into an upper oxidation pyrolysis chamber and a lower fire grate layer combustion chamber which is communicated with each other; the coal and desulfurizer are mixed to be fed into the middle part of the oxidation pyrolysis for oxidation pyrolysis through a hopper; the generated combustible gas and the smaller semi-coke particles are overflowed through the upper-connected through port or are carried in the airflow to be fed into the mechanical fire grate layer combustion chamber; the bigger semi-coke particles fall on the mechanical fire grate and are fed into the layer combustion layer for combustion; the mechanical fire grate layer combustion chamber is provided with a front arch and a back arch for organizing the airflow field inside the furnace; the coal pyrolysis layer combustion device and the combustion method thereof adopt the fluidization characteristics of the coal particles with different particle diameters and the high thermal capacity characteristic inside the oxidation pyrolysis chamber to realize the natural separation of the coal particles with different particle diameters and the rapid oxidation pyrolysis of coal, reduce the fire grate coal leakage loss and the incomplete combustion loss caused by the front segment low temperature of the fire grate and reduce the emission of the SOx and NOx pollutant through the combination of the pyrolysis desulfurization and the combustion desulfurization, and the reburning denitration formed by the coal pyrolysis product.
Owner:INST OF PROCESS ENG CHINESE ACAD OF SCI

Moving contact component and startup relay

The invention discloses a moving contact component and a startup relay. The moving contact component comprises a moving iron core, a locating rod, an insulated jacket sleeved on the locating rod and a moving contact piece and a buffer spring sleeved on the insulated jacket, wherein the moving contact piece and the buffer spring are arranged in turn in a direction far away from the moving iron core; the insulated jacket is provided with a sliding area; and the moving contact piece can move to and fro within the sliding area under the action of outside force and the restore elastic force of the buffer spring. The startup relay comprises a shell, a coil component, a moving contact component of the structure, a fixed contact component and a restore spring providing the restore elastic force for the moving contact component. The moving contact piece and two fixed contact pieces can be closed in the process that the moving contact piece moves along with the moving iron core. The moving contact component and the startup relay have the advantages that the moving contact piece is directly arranged on the moving iron core, so that the overall structure is integrated and the installation and the maintenance is convenient; and the buffer spring effectively reduces abrasion caused by collision when the moving contact piece and the fixed contact pieces are closed, and ensures the service life of the moving contact piece.
Owner:浙江致威电子科技有限公司

Heat-sealing packaging device and transverse sealing cutting unit thereof

A transverse sealing cutting unit comprises a pruning shear, a plurality of hot-pressing glands arranged on the pruning shear, cutters correspondingly arranged on each hot-pressing gland, and pairs of regulating mechanisms arranged on each hot-pressing gland, wherein cutter grooves are arranged in the hot-pressing glands; each cutter comprises a cutter body and a cutter blade point; and each regulating mechanism comprises a regulating block arranged in each cutter groove, a fixing block arranged at one end of each hot-pressing gland, and a screw rod nut penetrating through the fixing block and in a threaded connection with the regulating block. The section of the bottom surface of each cutter body is in an arc shape along the extending direction of the cutter groove, the section of the top surface of each regulating block is in an arc shape along the extending direction of the cutter groove, the top surface of the regulating block abuts against the bottom surface of the cutter body, and the bottom surface of the regulating bock is in a surface contact with the bottom of the cutter groove. The invention further provides a heat-sealing packaging device provided with the transverse sealing cutting unit. The regulating mechanisms are small in abrasion and long in service life, the volume of the pruning shear is not occupied, and the cost can be reduced.
Owner:GOLD HONG YE PAPER

A mos device for integrated circuit chip esd protection

InactiveCN103280458BImprove turn-on uniformityIncrease the secondary breakdown currentSemiconductor devicesElectrical resistance and conductancePower flow
The invention relates to an MOS (Metal Oxide Semiconductor) device for ESD (Electrostatic Discharge) protection of an integrated circuit chip, belonging to the technical field of electronics. On the premise that the size of the device is not increased and more chip area is not required to be consumed, substrate resistance between a source region and a substrate contact region is increased by adding a plurality of strip-shaped well regions which are in parallel with the transverse direction of the device in a substrate region below a position between the source region and the substrate contact region, so that the ESD resisting ability of the device is improved; besides, the size of the substrate resistance of the device can be adjusted and the problem of poor starting uniformity of the device can be solved by adjusting the quantity and the width of the strip-shaped well regions and the mutual distances among the strip-shaped well regions, so that the secondary breakdown current of the device is further improved; meanwhile, the manufacturing process of the MOS device is compatible with the standard CMOS process. In conclusion, the MOS device for the ESD protection of the integrated circuit chip provided by the invention has stronger ESD resisting ability due to the increase of the substrate resistance and the production cost of the device is not increased because the size of the device is not increased.
Owner:UNIV OF ELECTRONICS SCI & TECH OF CHINA +1

Electrical connector seat

An electrical connector seat comprises a first group of contact pieces, wherein the first group of contact pieces is composed of two rows of oppositely arranged contact pieces, the upper ends of the two rows of contact pieces are connected and the lower ends form sockets; at least one group of contact pieces is added to the electric connector base, and the added contact piece group is arranged inthe first group of contact pieces, and the added contact piece group comprises two rows of oppositely arranged added contact pieces, and the lower ends of the two rows of added contact pieces of the added contact piece group form sockets, and the sockets face the same direction as the sockets of the first group of contact pieces; in accordance with the prior art, so that the connection between theinsert piece and the contact piece is more reliable. At the same time, the contact area between the plug and the contact piece is increased, so that the contact resistance and the heat generation amount are reduced, and the surface area of the contact piece is increased by the double-layer contact piece, the heat dissipation efficiency of the contact surface is improved, the hidden danger of safety is reduced, the size of the structure is not increased by the double-layer contact piece, and the cost is effectively controlled.
Owner:ZHEJIANG ZHONGHANG ELECTRONICS

Paper mulberry ensilage direct harvesting baler

InactiveCN106717483AFast feedingFeed wheel assembly feeds quicklyMowersAgricultural undercarriagesPulp and paper industryFan blade
The invention provides a paper mulberry ensilage direct harvesting baler which comprises a cutting table assembly, a secondary rubbing conveying mechanism, a cab assembly, a fan assembly, a baler assembly and a crawler-type walking assembly. Paper mulberries are harvested through the cutting table assembly, fed through a feeding wheel assembly, and extruded through a bridging assembly to enter the fan assembly; paper mulberry stems are subjected to primary cutting of a cutter I of the fan assembly and then finely cut through a cutter II, the paper mulberry stems are rubbed by fan blades and then fed into the secondary rubbing conveying mechanism through a fan, the paper mulberry stems are rubbed by a rubbing box in the secondary rubbing conveying mechanism, then a feed additive is sprayed to the paper mulberry stems in a spraying box, the paper mulberry stems are pushed to a conveying belt, and ensilage feed is conveyed to the baler assembly through the conveying belt for baling. The paper mulberry ensilage direct harvesting baler is compact and light in structure and facilitates work, and integrated work of harvesting, conveying, cutting, rubbing and balking of the paper mulberries is achieved. The blank of paper mulberry integrated harvesting work machines at home and abroad is filled up.
Owner:LINYI YINXIN ENG MACHINERY CO LTD

Signal pre-amplifier circuit of aerospace-grade photoelectric encoder

The invention relates to a signal pre-amplifier circuit of an aerospace-grade photoelectric encoder, belonging to a signal amplifier circuit involved in the technical field of photoelectric encoders and aiming at solving the technical problem of providing the signal amplifier circuit of the aerospace-grade photoelectric encoder. The technical scheme of the invention is that: the signal pre-amplifier circuit comprises a first to a third input resistors, a first to a third inverted input resistors, a negative feedback resistor, a first to a fourth bias resistors and an amplifier; after the second positive input resistor and the third positive input resistor are connected in parallel, one end is grounded and the other end is connected with the first positive input resistor, and the other end of the first positive input resistor is connected with a positive input pin of the amplifier; after the second inverted input resistor and the third inverted input resistor are connected in parallel, one end is grounded and the other end is connected with the first inverted input resistor, and the other end of the first inverted input resistor is connected with the negative input pin of the amplifier; one end of the negative feedback resistor is connected with an output pin of the amplifier, and the other end of the negative feedback resistor is connected with the nvegative input pin of the amplifier; after the second bias resistor and the third bias resistor are connected in parallel, one end is connected with a positive power supply V+, the other end is connected with the fourth bias resistor in series, and the other end of the fourth bias resistor is grounded; and one end of the first bias resistor is connected with the positive input pin of the amplifier, and the other end of the first bias resistor is connected with a connection point A of the second bias resistor, the third bias resistor and the fourth bias resistor.
Owner:CHANGCHUN INST OF OPTICS FINE MECHANICS & PHYSICS CHINESE ACAD OF SCI

Current transformer with one-circle primary winding

The invention relates to a current transformer with a one-circle primary winding, belonging to the technical field of a transformer. The technical scheme provided by the invention is as follows: the current transformer comprises an expander (1), a conductive rod (2), an oil conservator (3), an insulator (4) and an oil tank (5); the expander is arranged above the oil conservator; the insulator is arranged below the oil conservator; the conductive rod is arranged on the oil conservator; the insulator is arranged on the oil tank; the conductive rod is connected with the primary winding; the primary winding is provided with two semicircular tubes; wiring pieces (6) are welded at the upper ends of the two semicircular tubes, respectively; the two wiring pieces are commonly connected to the conductive rod; a nut is arranged between the two wiring pieces, and the two wiring pieces are arranged by means of being separated by the nut (7); and the two wiring pieces are fastened on the conductive rod. The current transformer provided by the invention is used for overcoming the problem that the unqualified temperature rise is easily caused when the traditional current transformer with the large current ratio takes the primary winding as one circle; meanwhile, the current transformer is simple in operation, and is economic and practical without increasing sizes of parts and expanding the space of the oil conservator.
Owner:BAODING TIANWEI GRP CO LTD

Two-gear gear speed reducing box used for top driving well drilling device

The invention provides a two-gear gear speed reducing box used for a top driving well drilling device. The two-gear gear speed reducing box comprises a box body and mechanisms arranged in the box body, wherein each input mechanism comprises an input shaft and a grade-I low-speed gear driving gear and a grade-I high-speed gear driving gear which sleeve the periphery of the input shaft; each middle transmission mechanism comprises a middle shaft, and a grade-I low-speed gear driven gear, a grade-I high-speed gear driven gear and a grade-II driving gear which sleeve the middle shaft; an output mechanism comprises an output shaft and a grade-II driven gear which sleeves the output shaft; each speed changing mechanism comprises a sliding sleeve sleeving the input shaft; the sliding sleeves are mounted among the peripheries of the input shafts, and the inner walls of central holes of the grade-I low-speed gear driving gears and the grade-I high-speed gear driving gears respectively, slide along the input shafts, are matched with the inner walls of the central holes of the grade-I low-speed gear driving gears and the grade-I high-speed gear driving gears, and drive the grade-I low-speed gear driven gear pair and the grade-I high-speed gear driven gear pair to rotate. Compared with the prior art, the rotary speed output range can be improved by more than 2-3 times.
Owner:BC P INC CHINA NAT PETROLEUM CORP +2
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