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108results about How to "Variable volume" patented technology

Refrigerating cabinet

The invention discloses a refrigerating cabinet which comprises a cabinet body, a separating plate and a refrigerating system, wherein a refrigerating chamber is arranged in the cabinet body; the separating plate is arranged in the refrigerating chamber so as to separate the refrigerating chamber into a freezing chamber and a cold storage chamber; the separating plate can move in the refrigerating chamber so as to adjust the volumes of the freezing chamber and the cold storage chamber; and the refrigerating system is arranged in the cabinet body and is provided with an evaporator for refrigerating the refrigerating chamber. The refrigerating cabinet provided by the embodiment of the invention has the advantages of adjustable volumes of the freezing chamber and the cold storage chamber, and the like.
Owner:HUBEI MIDEA REFRIGERATOR CO LTD

Traditional Chinese medicine rehabilitation exercise device for old people nursing

A traditional Chinese medicine rehabilitation exercise device for old people nursing solves the problems that an existing rehabilitation exercise device is single in function, exercise content cannotbe conducted according to special physical and mental characteristics and individual differences of old people, an ideal effect cannot be achieved due to large-load selection, and exercise injuries are prone to occurring. A driving hand wheel can perform arm loopback movement, the driving hand wheel can lift a water lifting bucket to perform upper limb strength exercise, the lifting frequency of the water lifting bucket can be controlled, excessive exercise is avoided, a patient can be protected, the volume of the water lifting bucket is adjustable, and the upper limb strength exercise can beadjusted according to personal conditions; a seat frame can be used for lower limb buckling exercise and leg strength exercise, and the seat frame can be lifted to control a first reverse bucket to reversely pour water back into a first water containing bucket; stability can be kept by pulling a handle while legs are exercised, the handle can be pulled to exercise upper limbs at the position wherethe seat frame stays, and a transmission shaft can be driven by pulling the handle so that a supporting seat can exercise lower limbs of a patient in a loopback mode.
Owner:HENAN PROVINCE HOSPITAL OF TCM THE SECOND AFFILIATED HOSPITAL OF HENAN UNIV OF TCM

Supercritical CO2 foaming system used for microporous polymer preparation

InactiveCN102432910AShorten the time periodImprove foaming performanceChemistryUltrasonic generator
The invention discloses a supercritical CO2 foaming system used for microporous polymer preparation. The system comprises a gas supply unit, a gas-liquid separation unit, a pressurizing unit, a preheating unit, and a supercritical CO2 high pressure reaction vessel that are connected in order. The supercritical CO2 high pressure reaction vessel includes a high pressure reaction vessel, the external surface of which is provided with multifrequency ultrasonic generators. The foaming system utilizes the high-frequency vibration of ultrasonic waves to enhance the diffusion rate and nucleation rateof supercritical CO2, thus not only being able to shorten the time period of a foaming technology, but also being able to improve the foaming performance of a polymer. The system of the invention introduces multifrequency ultrasonic waves into a supercritical CO2 foaming instrument for the first time, and can substantially improve the diffusion rate and extraction efficiency of CO2 in a polymer matrix.
Owner:SUN YAT SEN UNIV

Automatic gathering and salvaging device and method for water surface floaters

ActiveCN107130575AIncrease stack thicknessSolve the problem of not having a good grasping effectWater cleaningGeneral water supply conservationPower stationFishery
The invention discloses a water surface floater salvaging device, particularly relates to an automatic gathering and salvaging device for water surface floaters, and belongs to the technical field of intercepting and salvaging devices for floaters of rivers and power stations. The device comprises a base capable of shipping on the water surface, wherein the front part of the base is provided with a fence mechanism for intercepting the water surface floaters; the front part of the fence mechanism is provided with a gathering mechanism for gathering the water surface floaters towards the direction of the fence mechanism; and the base is also provided with a grab manipulator which is used for salvaging the water surface floaters between the fence mechanism and the gathering mechanism. The problem that a traditional device is low in automation degree is solved, the automation performance of the salvage operation is effectively improved, the human cost is reduced, meanwhile, variable volume of the device is achieved through multiple rotating structures, movement of the device is facilitated, and the practicability of the device is improved.
Owner:SICHUAN ORIENT HYDROELECTRIC ENG

Variable exhaust pipe volume module type pulse converter boost device of turbocharging diesel engine

InactiveCN101008336AVariable volumeMeet the requirements of variable working conditionsExhaust apparatusSilencing apparatusEngineeringControl valves
The invention relates to a turbine pressurize diesel engine variable-discharge-tube-volume modular pulse converting pressurize device, formed by a modular pulse converter, an auxiliary discharge tube, a three-way tube and a two-way control valve. The modular pulse converter is formed by an injector and a cylinder discharge tube, wherein, the injector is mounted at one side of discharge channel of the cylinder, the discharge tube of ascending cylinder forms the ascending discharge tube, and the discharge tube of descending cylinder forms the main discharge tube, the descending end of ascending discharge tube is connected with the ascending end of three-way tube; two descending ends of three-way tube are respectively connected to the main discharge tube and the ascending end of the auxiliary discharge tube; the cross of three-way tube is mounted with a two-way control valve; the descending ends of main and auxiliary discharge tube are respectively connected with two ascending ends of pulse converter whose descending end is connected with the inlet of turbine; the ascending end of pulse converter has two reducing tubes while the descending end is mixing tube with equal section. The invention has adjustable volume of discharge tube, to meet the work adjustment of diesel engine, while the application is not limited by the cylinder number.
Owner:GUANGDONG OCEAN UNIVERSITY

Preparation method of superparamagnetism easily-degradable oil stain absorption material and product obtained by method

The invention discloses a preparation method of superparamagnetism easily-degradable oil stain absorption material and a product obtained by the method. The preparation method comprises the following steps: adding superparamagnetism Fe3O4 nano particles in a chiosan-acetic acid aqueous solution while stirring, wherein the mass ratio of the Fe3O4 nano particles to the chiosan-acetic acid aqueous solution is 2%-4%; then dropwise adding the obtained Fe3O4-chiosan -acetic acid aqueous solution in an equivoluminal 3%-5% sodium stearate aqueous solution for full reaction; and carrying out vacuum filtering on the obtained Fe3O4-chiosan-sodium stearate compound solution when the solution is hot, collecting filter cakes and drying so as to obtain superparamagnetism chiosan-sodium stearate polymerization clusters. The polymerization cluster has good oil absorbing capability, the volume of the absorbed oil is 10-15 times of that of the compound; and the compound after the oil is absorbed can continue to float on the water surface and can directionally drift under the guidance of a magnet.
Owner:SOUTHWEST JIAOTONG UNIV

Constant flow pump and its manufacturing method

A metering pump arrangement has a container with a changeable volume for accommodating a fluid. The arrangement has a pump that can be connected with the container in a sealed manner, which can be manually activated. The pump has an outlet opening that is connected with the surroundings. A bypass channel runs outside the pump and connects the container with the surroundings. The bypass channel can be sealed off by way of a closure element. In the metering pump arrangement, remains air left in the container when filling can be pumped by simply struture. The invention also relates to application of the metering pump arrangement and manufacture method thereof.
Owner:史蒂文・帕达尔

Desk for containing objects

The invention discloses a desk for containing objects, and relates to desks. The desk comprises a desktop and a fixing board vertically and fixedly arranged below the desktop. A cavity is formed inside the fixing board. A desk hopper is arranged below the fixing board. The upper end of the desk hopper is inserted into the cavity. A compression spring is arranged between the upper end of the desk hopper and the top face of the cavity. Desk legs are arranged below the desk hopper. Installation holes are formed in the desktop. A cooling fan and a ventilation net are installed inside the installation holes. The surface of the ventilation net is flush with the desktop. An inclined placement frame and a stretchable rod are further arranged on the desktop. One end of the stretchable rod is hinged to the inclined placement frame. A supporting rod is further hinged to the desktop. A placement board is rotationally arranged on the supporting rod. The desk hopper containing size is variable, a computer can be conveniently cooled, and use is convenient.
Owner:陈思奇

Micro-amount liquid reflective rate measuring device and measuring method based on self-mixing interference

The invention discloses a micro-amount liquid reflective rate measuring device based on self-mixing interference. The micro-amount liquid reflective rate measuring device based on self-mixing interference comprises an optical path part and a signal processing part; the optical path part comprises a laser light source, a phase regulator, an optical path catadioptric unit, and an object carrying platform; the object carrying platform is loaded with a sample to be measured; the laser light source, the phase regulator, the optical path catadiopric unit, and a sample to be measured are connected successively through optical path connection; the signal processing part comprises a signal pre-treatment circuit, an A / D converting circuit, a DSP data processing unit, and an output terminal; an inputterminal of the signal pre-treatment circuit is connected with the laser light source; the signal pre-treatment circuit, the A / D converting circuit, the DSP data processing unit, and the output terminal are connected successively through circuit connection. The invention also discloses a reflective rate measuring method based on self-mixing interference. The micro-amount liquid reflective rate measuring device is simple in structure, and wide in measuring range; the measuring method is simple and convenient in operation, and high in measuring precision.
Owner:JIMEI UNIV

Air cylinder achieving gasoline engine compression ratio continuous variation and work method thereof

The invention discloses an air cylinder achieving gasoline engine compression ratio continuous variation and a work method of the air cylinder achieving gasoline engine compression ratio continuous variation. The air cylinder achieving gasoline engine compression ratio continuous variation comprises a first cavity and a control system. The first cavity is defined by an air cylinder cover, an air cylinder cushion and an air cylinder sleeve. A first piston is arranged in the first cavity. The upper portion of the cavity wall on one side of the first cavity is provided with a compression ratio adjusting mechanism. The compression ratio adjusting mechanism comprises a second cavity, a connection pipe enabling the first cavity and the second cavity to communicate, a second piston arranged in the second cavity and an executing mechanism which is connected with the second piston and capable of driving the second piston to move back and forth in the second cavity. The air cylinder cover is provided with an oil sprayer, a sparking plug and a knock sensor used for detecting knock of the air cylinder. The control system is connected with the knock sensor and the executing mechanism to form a closed-loop control system. The air cylinder can adjust the compression ratio of a gasoline engine according to use working conditions, a large compression ratio is adopted when the load is small, a small compression ratio is adopted when the load is large, knock is avoided, the thermal efficiency of the gasoline engine is improved, and therefore the purpose of saving oil is achieved.
Owner:CHINA FIRST AUTOMOBILE

Detector

The invention provides a detector. The detector is utilized for detecting if a target analyte exists in a liquid sample needing to be detected. The detector comprises a deformable sample collection part. The deformable sample collection part comprises a cavity for collecting liquid samples needing to be detected, and a detection element for detecting if a target analyte exists in a liquid sample needing to be detected, wherein the cavity of the deformable sample collection part is communicated with the detection element. Through the deformable sample collection part of the detector for detecting target analytes in samples needing to be detected, a detector volume is reduced so that a floor space is reduced; the detector can be compressed and folded so that transport is convenient; use is convenient; and a cost is reduced.
Owner:ABON BIOPHARM HANGZHOU

Optical stereo sampling in-situ detection method capable of acquiring zooplankton information

ActiveCN103901438ASolve the problem of low contrast and poor qualitySuppress backscatterElectromagnetic wave reradiationZooplanktonNon invasive
The invention discloses an optical stereo sampling in-situ detection method capable of acquiring zooplankton information. The method comprises the steps that laser pulse is transmitted by a pulsed laser and is reflected through zooplankton in a stereo sampling area, and a target echo signal is returned; when the target echo signal reaches a gating imaging device, a gating door of the gating imaging device is opened to receive the target echo signal, in-situ detection imaging is conducted on the zooplankton in the stereo sampling area, and an underwater two-dimensional strength image acquired by sampling is output; abundance information of the zooplankton is acquired according to the acquired behavior information, quantity information, size information of the zooplankton in the stereo sampling area through combining the underwater two-dimensional strength image and the volume of the stereo sampling area. By means of the method, the problems that in an existing in-situ detection imaging method, the real non-invasive and non-disruptive in-situ detection can not be achieved and the sampling area is uncertain are solved, the quantifiable optical stereo sampling area can be formed, and the acquisition of the non-disruptive stereo data of the zooplankton is achieved.
Owner:INST OF SEMICONDUCTORS - CHINESE ACAD OF SCI

Material mixing method

The invention belongs to the field of material mixing, and in particular, relates to a material mixing method including the following steps: step 1, preparing a stirring device; step two, transferringthe stirring device: carrying the stirring device in the step 1 to liquids needing mixing; step three, inflating: inflating an air bag with hydrogen and controlling the height of the air bag at 0.3-0.5 m; step four, adding a material: closing a liquid outlet, adding the liquids needing mixing into a box body through a stirring rod, and controlling the adding amount of the liquids according to theextension degree of the box body; step five, stirring: rotating the stirring rod to make the liquids fully mixed; step six, taking the material: opening the liquid outlet, and taking out the liquid in the box body; step seven, ending: extruding the box body downwards to compress the box body and the stirring rod to make the box body height at 0.3-0.5 m, fixing the tank body with a buckling part,and thus conveniently transferring the stirring device. The device not only is convenient to carry, but also the liquid containing volume is variable.
Owner:天津中生乳胶有限公司

Supersonic blending reinforcing structure with adjustable frequency characteristic and rocket based combined cycle

The invention provides a supersonic blending reinforcing structure with an adjustable frequency characteristic and a rocket based combined cycle. The supersonic blending reinforcing structure comprises a supersonic incoming flow baffle, supersonic incoming flow channels are arranged on both sides of the supersonic incoming flow baffle, and the two supersonic incoming flow channels are in communication with each other at the tail end of the supersonic incoming flow baffle and form a supersonic incoming flow blending zone. The supersonic incoming flow blending zone communicates with the supersonic incoming flow channels through flow guiding pipes, the flow guiding pipes comprise expansion cavities formed in the supersonic incoming flow baffle, and expansion pipes with adjustable volume are arranged in the expansion cavities. Due to a pressure difference between the two ends of the flow guiding pipes, jet flow can be formed in the supersonic incoming flow blending zone without providing an additional air source, and blending reinforcing control of the supersonic incoming flow blending zone is realized; and meanwhile, the expansion pipes are arranged in the flow guiding pipes, the jetflow ejected by flow guiding rear pipes has a certain frequency characteristic, and moreover, the volumes of the expansion pipes are adjustable, so that the frequency of the jet flow ejected by the flow guiding rear pipes is adjustable. The supersonic blending reinforcing structure with the adjustable frequency characteristic and the rocket based combined cycle are applied to the field of supersonic incoming flow blending control.
Owner:NAT UNIV OF DEFENSE TECH

Fin stabilizer, covering element and water vehicle

The invention relates to a fin stabilizer (1) for stabilizing water vehicles, comprising a pivotable stabilizing fin (2), a fin box (6) for receiving the stabilizer fin in the pivoted state, and at least one covering element (8) for at least partially covering a fin box opening, through which the stabilizer fin exits and enters the fin box during swiveling in and out, wherein the at least one covering element (8) is resilient. The invention also relates to a covering element for a fin box opening and a water vehicle having at least one fin stabilizer.
Owner:斯凯孚海运有限公司

High-precision combustible gas mixer

Belonging to the technical field of combustible gas mixing, the invention particularly relates to a high-precision combustible gas mixer. The high-precision combustible gas mixer comprises a support seat, a mixing tank is fixedly mounted at the top of the support seat, a first threaded rod is rotatably mounted in the mixing tank, a speed reducing motor is fixedly mounted on one side of the mixingtank, one end of the first threaded rod extends out of the mixing tank and is fixedly connected to an output shaft of the speed reducing motor, a piston is slidably and airtightly installed in the mixing tank, the piston is in threaded connection with the first threaded rod, a sliding rod is fixedly installed in the mixing tank, and the sliding rod runs through the piston and is slidably and airtightly connected to the piston. The high-precision combustible gas mixer provided by the invention is easy to operate, high in practicability and adjustable in volume, can guarantee the mixing efficiency and precision in mixing gas of any volume, at the same time can change the pressure and flow of different raw material gases during entering, can balance the pressure difference when different rawmaterial gases enter, and improves the mixing precision.
Owner:苏州浦煦流体控制系统有限公司

Molding process and mould for reducing internal stress in PC lens production

The invention relates to a molding process and a mould for reducing internal stress in PC lens production. The molding process comprises the following steps: slow mold merging-low pressure-positioning-moving forwards-ejection-compression, mold merging and simultaneously ejection-mold locking at high pressure-pressure maintaining-feeding-cooling-mold opening-push out-push backwards-slow mold merging; the adoption of processes of moving forwards and ejection between the processes of slow molding and mold locking at high pressure can reduce the generation of the internal stress; the mould comprises a fixed bolster plate arranged on a mounting plate for the fixed bolster plate, and a moving bolster plate arranged on a mounting plate for the moving bolster plate by a supporting plate, wherein a fixed clearance is reserved between the moving bolster plate and the supporting plate which are supported on a same parallel surface by a guide pole, and a strong spring is arranged between the moving bolster plate and the supporting plate for positioning; as the capacity of a mould cavity is adjustable, the material has bigger liquidity in the mould cavity when in ejection, so as to discharge bubbles in time, and significantly reduce the generation of the internal stress; therefore, the qualification rate of products is improved greatly.
Owner:瑞之路(厦门)眼镜科技有限公司

High-efficiency building concrete stirring machine

The invention relates to a stirring machine, in particular to a high-efficiency building concrete stirring machine which comprises a device support, a limiting mechanism I, a stirring box, a limitingmechanism II, a water supply mechanism, a water supply pipeline, a stirring mechanism, a connecting hose and a swinging mechanism. Concrete is placed into the stirring box, the stirring box squeezes acompression spring I and a compression spring II under the effect of gravity to move downwards so as to drive the water supply pipeline to move downwards, the inserting depth of the water supply pipeline in the water supply mechanism is adjusted, and the water supply amount of the water supply mechanism is adjusted. When the water supply pipeline is started, the water supply amount is automatically adjusted according to the weight, the horizontal height of the stirring box is limited through the limiting mechanism II, the stirring box is prevented from moving downwards due to the change of gravity when water enters the stirring box, the volume of the water supply mechanism is adjustable, more use requirements are met, when the stirring mechanism stirs concrete in the stirring box, the swinging mechanism is started, the swinging mechanism drives the stirring box to swing, and the stirring effect is further improved.
Owner:王明艳

Structure for preventing monitoring equipment from condensation and method

The invention relates to a structure for preventing monitoring equipment from condensation, which comprises an equipment shell, a protection cover and a pressure-adjusting air bag. The equipment shell is internally provided with an integratedly-made cylindrical platform with outer thread; a through hole is made in the end surface, in the middle of the cylindrical platform, of the equipment shell; the cylindrical platform is in coaxial thread connection with the protection cover; the protection cover is internally provided with the pressure-adjusting air bag in a sealing mode; the inner part of the pressure-adjusting air bag is communicated with the air outside the equipment shell via the through hole; the middle of the bottom part of the protection cover is provided with a protection cover hole; and the space between the protection cover and the pressure-adjusting air bag is communicated with the air inside the equipment shell via the protection cover hole. According to the structure of the invention, the structure is simple; when temperature rises, the pressure inside the shell is increased, the size of the pressure-adjusting air bag is reduced, the volume of the shell is increased, the inner pressure is reduced consequently until the inner pressure is balanced with the outer pressure; and when the temperature falls, the inner pressure of the shell is reduced, the size of the pressure-adjusting air bag is increased, the volume of the shell is reduced, the inner pressure is increased consequently until the inner pressure is balanced with the outer pressure.
Owner:TIANJIN YAAN TECH CO LTD

Quantitative filling device for cosmetic production

ActiveCN111892004AImprove uniformityAvoid foam buildupLiquid bottlingBottle
The invention discloses a quantitative filling device for cosmetic production, and belongs to the field of cosmetic production equipment. The device comprises a conveying mechanism and a filling mechanism. The filling mechanism comprises a storage barrel body and a filling head communicating with the storage barrel body. The conveying mechanism comprises a fixed supporting table and a rotating table; a feeding notch, a filling station and a discharging notch are sequentially arranged on three sides of the fixed supporting platform, carrier plates are arranged on the rotating table at equal intervals, lifting rods are fixed at the bottoms of the carrier plates, and the lifting rods are connected with a rotating lifting driving mechanism; and the filling head is aligned with the eccentric position of a bottle mouth of a filling bottle below the filling head; a limiting rod is arranged in the storage barrel body, a screw rod penetrating through the storage barrel body is fixed on the limiting rod, an adjusting port is formed in the position, through which the screw rod penetrates, of the storage barrel body, and the screw rod is sleeved with a locking nut. Insufficient filling quantity caused by foam accumulation in the filling bottle can be avoided, and the reliability of the filling process is guaranteed; the primary filling amount of the filling mechanism is adjustable, so thatquantitative filling can be realized; and automatic feeding, filling and discharging can also be realized.
Owner:泉州市创智工业设计服务有限公司

Adjustable-capacity type sand box

InactiveCN106734987AReduce the ratio of sand to ironAvoid wasting time and costsMoulding flasksEngineeringStructural engineering
An adjustable-capacity type sand box comprises sand box side plates and a moving type partition board assembly, wherein the moving type partition board assembly comprises a first partition board, a second partition board and a middle connector; one end of the first partition board is connected with the inner wall of one sand box side plate; the other end of the first partition board is connected with one end of the second partition board; the other end of the second partition board is connected with the inner wall of another sand box side plate; a plurality of long round holes are formed in the other end of the first partition board; a plurality of through holes are further formed in one end of the second partition board; and the middle connector is inserted into any through hole of the first partition board and any through hole of the second partition board so as to realize the adjustable connection of the first partition board and the second partition board. The adjustable-capacity type sand box is realized by arranging the moving type partition boards at the four corners of the sand box. An accommodating zone in the middle of the sand box is separated from unoccupied zones at the four corners by the moving type partition boards, so that only the middle accommodating zone is used during the molding of fluid sand. In this way, the capacity of the sand box is adjustable.
Owner:KOCEL EQUIP

Equipment and method for manufacturing capillary reactors

The invention relates to equipment for manufacturing capillary reactors, which consists of a capillary reactor main body and a solder sealing synthesizer, wherein the solder sealing synthesizer comprises a vacuum pump, a liquid nitrogen reservoir, a fixing device and an oxyhydrogen flame device used for performing solder sealing on end parts of the capillary reactors; the vacuum pump is connectedwith the capillary reactor main body; and the capillary reactor main body is fixed in the liquid nitrogen reservoir through the fixing device. The invention provides the equipment and a method for manufacturing the capillary reactors used for high-temperature and high-pressure reactions.
Owner:ZHEJIANG UNIV OF TECH
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