Patents
Literature
Hiro is an intelligent assistant for R&D personnel, combined with Patent DNA, to facilitate innovative research.
Hiro

55results about How to "No need to add bulk" patented technology

Millimeter wave miniaturized multichannel transmitting-receiving subassembly and its phase compensation process

The invention provides a millimeter wave miniaturized multichannel transceiving component device and a phase compensation method thereof. The transceiving component device of the invention comprises a transmitting branch, a receiving branch, a switch, a power splitting circuit and a metal box body, belonging to the radar component technical field. The transceiving component device is realized by a millimeter wave periplanatic integrated circuit based on MMIC (millimeter wave monolithic integrated circuit) technology, and no source phase-shift device is arranged inside a transceiving component. The interchannel phase compensation method of the invention is to utilize a micro strip loading high dielectric constant medium which plays a part in cascade connection in the transceiving component. Phase error compensation within the range of 0 to 360 DEG can be realized by selecting different loading media, and the amplitude consistency is not affected. The invention has the advantages of simple and convenient debugging, skillful design, miniaturization and so on and is a transceiving component device with strong operability and effectiveness and a phase compensation method thereof.
Owner:BEIJING INSTITUTE OF TECHNOLOGYGY

Longwall shearer or other machine with a gear case for transmitting rotational power

A longwall shearer or other machine with a gear case for transmitting rotational power from a drive to a driven member. The gear case comprises a drive, a driven member, at least one axle including at least one aperture formed therein to circulate cooling fluid through the axle, and a gear mounted to rotate on the axle and positioned to transmit power from the drive to the driven member. 50- 58 S iliIVIE66
Owner:JOY GLOBAL UNDERGROUND MINING LLC

High-performance inversion power supply having single-phase asynchronous motor soft starting function

The invention relates to the technical field of an inversion power supply, and discloses a high-performance inversion power supply having a single-phase asynchronous motor soft starting function. The high-performance inversion power supply mainly comprises a current limiting ring and a soft starting control module, wherein the inversion power supply acquires an error amount between an AC output current effective value and a current limiting given value, an output control factor is obtained by the current limiting ring, output voltage amplitude given quantity is obtained by subtracting the output control factor and AC output voltage effective value feedback quantity from AC output voltage amplitude quantity, the output voltage value is reduced after the output voltage amplitude given quantity is subjected to three-loop control, the soft starting control module is used for detecting an input signal of the inversion power supply and sending a control signal to a controller of the inversion power supply when the input voltage signal reaches a set value, and the controller is used for controlling amplitude of a sine wave signal according to the control signal so that the fundamental wave of the sine wave is continuously risen to 1 from 0 and the output AC voltage is gradually risen. The high-performance inversion power supply has the advantages that a circuit structure is simple and reliable.
Owner:HUNAN LINENG TECH

Labyrinth type magnetic liquid sealing device

The invention discloses a labyrinth type magnetic liquid sealing device which comprises a shell, a rotating shaft, a first pole shoe, a second pole shoe, a permanent magnet and a labyrinth sealing piece. A cavity is formed in the shell, and the rotating shaft is rotationally arranged in the cavity. The first pole shoe and the second pole shoe are arranged on the rotating shaft in a sleeving mannerand arranged in the axial direction of the rotating shaft in a spaced manner, the permanent magnet surrounds the rotating shaft and is located between the first pole shoe and the second pole shoe, the labyrinth sealing piece is arranged between the first pole shoe and the second pole shoe, and the outer circumferential face of the labyrinth sealing piece makes contact with the inner circumferential face of the permanent magnet. A first gap is formed between the labyrinth sealing piece and the first pole shoe in the axial direction of the rotating shaft, a second gap is formed between the labyrinth sealing piece and the second pole shoe in the axial direction of the rotating shaft, and a bent and extended flow channel communicating with the first gap and the second gap is formed in the labyrinth sealing piece. The labyrinth type magnetic liquid sealing device also has the sealing capacity when the magnetic liquid fails, and the safety is improved.
Owner:TSINGHUA UNIV

Multi-time program memory (MTP) device structure and manufacturing method thereof

The present invention provides an MTP device structure and a manufacturing method thereof. The manufacturing method comprises the steps of providing a semiconductor substrate, and making a shallow channel isolating structure used for isolating a first well region and a second well region in the semiconductor substrate; forming an N well in the first well region by an N-type doping ion implantation technology; forming a P-region at the lower part of the second well region by a P-type doping ion implantation technology; forming an N region at the upper part of the second well region by an N-type doping ion implantation technology; forming a floating gate structure covering the N well, the shallow channel isolating structure and a part of the N region. According to the present invention, by manufacturing an original P well region into the second well region composed of the lower P region and the upper N region, an erasing voltage of an MTP device can be improved greatly, and the erasing speed of the MTP device can be improved greatly without needing to increase the volume of an erasing capacitor. The manufacturing method of the present invention is simple, and is suitable for the industrial production by being compatible with a CMOS technology.
Owner:SEMICON MFG INT (SHANGHAI) CORP

Sensor connector for multichannel signal output

PendingCN110492296ANo need to add bulkTo achieve the function of multi-channel communicationCoupling device detailsTesting/measuring connectorsVIT signalsThreaded pipe
The invention relates to the technical field of sensor connectors, and discloses a sensor connector for multi-channel signal output. The sensor connector includes a joint pipe, a positioning groove isformed in the left side of the front surface of the joint pipe; a connecting ring is fixedly mounted on the outer side of the joint pipe; a shell pipe is fixedly installed at the right end of the connector pipe, a threaded pipe is inserted into the right end of the shell pipe, a connecting pipe is fixedly installed at the right end of the threaded pipe, a tail sleeve is fixedly installed at the right end of the connecting pipe, a fixing pipe is fixedly installed at the right end of the tail sleeve, and a wire locking pipe is fixedly installed at the right end of the fixing pipe. According tothe sensor connector for multi-channel signal output, by arranging the spacer bushes, if communication channels of the sensor connector need to be increased, only the number of the connecting holes, the sleeves and the contact pins needs to be increased, the size of the sensor connector does not need to be increased, the multi-channel communication function of the sensor connector is effectively achieved, and the manufacturing cost of the sensor connector is saved.
Owner:镇江西格玛通信设备有限公司

A long-life patch electrolytic capacitor for an aluminum-based circuit board

A long-life patch electrolytic capacitor for an aluminum-based circuit board comprises an aluminum shell, a core, a rubber sealing plug, a base, a positive electrode solder pin, a negative electrode solder pin, a left heat dissipation pad and a right heat dissipation pad, wherein the aluminum shell is connected with the left heat dissipation pad and the right heat dissipation pad, and the left heat dissipation pad and the right heat dissipation pad are used for soldering on the left heat dissipation pad and the right heat dissipation pad of the aluminum substrate; The long-life patch electrolytic capacitor for an aluminum-based circuit board overcomes the shortcoming that the prior patch electrolytic capacitor needs a large space around to install a heat sink with good heat dissipation, and is particularly suitable for the situation where an aluminum substrate is used as a circuit board.
Owner:CHONGQING LINMENG ELECTRONICS SCI & TECH CO LTD

Multiple-flame lighter

InactiveCN1690518AStrong windproof effectNot easy to heat and service lifeFuel lightersIgnition controlMechanical engineering
The invention relates to a multi-flame lighter, comprising a casing; a storage including air tank, air outlet valve and an air inlet valve; an air outlet control lever; a wind-proof assembling units; and an ignition control unit including an electronic igniter, a flint ignition device and a pull button, wherein, said electronic igniter mounted under the pull button which is exposed partly to the surface of the one side of casing. It is characterized in that: the storage has a second outlet valve, which has a candlepower outlet pipe. The invention integrates the advantages of lighter and the wind-proof lighter, meeting the requirement of wind-proof and using for longtime, improving the service life of lighter significantly. And it has simple and reasonable structure with simple operation, while realizing the selection of two flames without increasing the volume of the lighter.
Owner:王良 +1

Farm mechanical gearbox

The invention relates to a farm mechanical gearbox. The farm mechanical gearbox comprises a gearbox body. A power input shaft, a power output shaft and a middle transmission shaft are arranged in the gearbox body. The power input shaft is connected with a motor. A first driving gear, a second driving gear and a first clutch are arranged on the power input shaft. The first driving gear is rotationally arranged on the power input shaft. The first clutch is arranged on the power input shaft. A first transmission gear, a second transmission gear and a second clutch are arranged on the middle transmission shaft. The second driven gear is rotationally arranged on the middle transmission shaft, and the second clutch is arranged on the middle transmission shaft. A transmission gear set is arranged between the power output shaft and the middle transmission shaft. According to the farm mechanical gearbox, different gears of the gearbox are switched through the two clutches, the size of the gearbox body does not need to be increased, the manufacturing cost of the gearbox is lowered, the problems that in the current gear switching process, gears are tightly engaged with one another, gear switching is difficult, and gear collision and damage happen are solved, and operation is flexible and convenient.
Owner:星光正工(江苏)采棉机有限公司

Post-treatment system, desulfurization device thereof, control method and storage medium

The invention relates to a post-treatment system, a desulfurization device thereof, a control method and a storage medium. The desulfurization device comprises a renewable sulfur trap, a storage type sulfur trap and a first three-way valve, and the renewable sulfur trap and the first three-way valve are sequentially arranged at the upstream of a main post-treatment device along the exhaust flow direction. An inlet of the first three-way valve communicates with an outlet of the renewable sulfur trap, a first outlet of the first three-way valve communicates with an inlet of the main post-treatment device, a second outlet of the first three-way valve is connected with a bypass pipeline, and a storage type sulfur trap is arranged on the bypass pipeline. According to the desulfurization device, the toxicity to the main post-treatment device during regeneration of the renewable sulfur trap can be avoided, the regeneration interval of the renewable sulfur trap does not need to be prolonged, the volume of the renewable sulfur trap does not need to be increased, and the exhaust back pressure is not influenced during non-regeneration; and the storage type sulfur trap is only used for trapping sulfide released during regeneration of the renewable sulfur trap, so that the storage type sulfur trap is long in service life and does not need to be frequently replaced.
Owner:WEICHAI POWER CO LTD +1

Coating real-time mixing type spraying machine

The invention discloses a coating real-time mixing type spraying machine. A mixing cavity is used for receiving multiple intermediate materials used for mixing target coating; a negative pressure forming mechanism is in sealing contact with the side wall of the mixing cavity, and the end part of the negative pressure forming mechanism can move on the side wall in the mixing cavity so as to change the air pressure in the mixing cavity; a mixing pipeline is connected to the side wall of the mixing cavity and is connected with a plurality of feeding pipelines so as to receive and collect the various intermediate materials at the same time to realize primary mixing; a mixing assembly is used for uniformly mixing the various intermediate materials entering the mixing cavity; a spray gun is used for spraying the mixed target coating in the mixing cavity; a tooth-shaped driving plate synchronously moving along with the negative pressure forming mechanism is arranged at the bottom of the negative pressure forming mechanism, and the tooth-shaped driving plate drives the mixing assembly to rotate to stir the multiple intermediate materials and drives the multiple intermediate materials in the mixing pipeline to form rotational flow to accelerate mixing; and during feeding, coating is driven to form rotational flow and is uniformly mixed by multiple times of stirring.
Owner:南通吕宁机电有限公司

Green environmentally-friendly recycle garbage can

The invention discloses a green environmentally-friendly recycle garbage can, and relates to the technical field of garbage cans. The green environmentally-friendly recycle garbage can comprises a first can body, wherein first slide rails are fixedly connected to two sides of the inner wall of the first can body; first sliding blocks are glidingly connected to the outer surfaces of the first sliderails; a second can body is fixedly connected to the top parts of the two first sliding blocks, and second slide rails are fixedly connected to the top part of the inner wall of the second can body;a two-way threaded rod is rotatably connected to the top part of one side of the inner wall of the second can body through a bearing; one end of the two-way threaded rod penetrates the second can bodyand extends to the outer part of the second can body; and a handle is fixedly connected to one end, extending to the outer part of the second can body, of the two-way threaded rod. According to the green environmentally-friendly recycle garbage can, the size of the garbage can is not increased while a storing space is expanded, so that the problem that a garbage can with large size is inconvenient to move can be solved while more garbage can be stored, thus the usability of the garbage can is ensured; and the practicability of the garbage can is improved.
Owner:桐城市金腾塑业有限公司

A post-processing system and its desulfurization device, control method and storage medium

The invention relates to a post-processing system and its desulfurization device, control method and storage medium. The desulfurization device includes a renewable sulfur trap, a storage sulfur trap and a first three-way valve. The renewable sulfur trap The filter and the first three-way valve are sequentially arranged upstream of the main post-processing device along the exhaust flow direction. The inlet of the first three-way valve is connected with the outlet of the regenerative sulfur trap, and the first outlet of the first three-way valve is connected with the main aftertreatment device. The inlet of the post-processing device is connected, the second outlet of the first three-way valve is connected with a bypass pipeline, and the storage type sulfur trap is installed in the bypass pipeline; the regeneration of the regenerable sulfur trap can be avoided through the above desulfurization device It does not need to prolong the regeneration interval of the regenerative sulfur trap, nor does it need to increase the volume of the regenerative sulfur trap. During non-regeneration, it does not affect the exhaust back pressure, but The storage sulfur trap is only used to capture the sulfur compounds released during the regeneration of the renewable sulfur trap, which has a long service life and does not need to be replaced frequently.
Owner:WEICHAI POWER CO LTD +1
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Try Eureka
PatSnap group products