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39results about How to "No increase in volume" patented technology

Multifunctional pressure cooker

The invention discloses a multifunctional pressure cooker. The multifunctional pressure cooker comprises a cooker body and a cooker cover, the cooker cover comprises an upper cover body and an inner cover body, and the upper cover body is provided with a water injection port for injecting cooling water to the inner cover body; the multifunctional pressure cooker further comprises a water tank anda shielding cover; the multifunctional pressure cooker has a water-cooled cooking state in which the water tank is installed and a normal cooking state in which the shielding cover is installed, whenthe water tank is installed on the cooker cover, the water tank discharges water to the water injection port, and when the shielding cover is installed on the cooker cover, the shielding cover shieldsthe water injection port. The multifunctional pressure cooker can be used as a water-cooled pressure cooker by installing the water tank and used as a normal pressure cooker without installing the water tank.
Owner:JOYOUNG CO LTD

Analog predistortion based linear power amplification circuit and method

The invention discloses a linear power amplification circuit based on the simulation of predistortion, comprising a predistortion amplifier, a first temperature-controlled attenuator, a simulate predistorter, a second temperature-controlled attenuator, a push-pull amplifier, and a last stage high-power amplifier which are sequentially connected. The invention also discloses a method to use the circuit: the simulate predistorter circuit which has relatively simple topological structure is added to produce a distortion signal of a predistortion signal balanced power amplifier; a matching circuit and a bias voltage of a power tube of the push-pull amplifier and that of the last stage high-power amplifier are adjusted to make the two power tubes complement in amplitude and phase to achieve the predistortion effect and to enable better linearity of the RF output signal. The invention is simple in circuit structure, high in working efficiency, low in cost and occupies little PCB area, which is extremely suitable for the multi-carrier linear power amplification circuits in the TD-SCDMA stations and the repeaters systems.
Owner:AUCTUS TECH CO LTD

Dual brake light switch

The invention relates to a two-way stop lamp switch, which is characterized by comprising a shell, a base, a sliding block, a first movable contact piece, a second movable contact piece, a top rod, a first static contact piece, a second static contact piece, a first reset piece and a second reset piece, wherein the shell has an insertion hole; the base and the shell are assembled to form a hollowaccommodating cavity; the sliding block is arranged in the accommodating cavity; the first movable contact piece can be arranged on the sliding block in a vertical moving manner; two ends of the first movable contact are provided with two first movable contacts; the second movable contact piece is arranged on the sliding block and positioned below the first movable contact piece; two ends of the second movable contact are provided with two second movable contacts; and the top rod is inserted into the insertion hole of the shell, connected with the sliding block and can drive the sliding blockto vertically move in the accommodating cavity. Compared with the prior art, the invention has the advantages that: the two-way stop lamp switch is simple and compact in overall structure and reasonable in structural arrangement, and can realize one-on one-off two-way control.
Owner:上海阳明汽车部件有限公司 +1

Softening and coagulating treatment process of gas scrubbing water

The softening and coagulating treatment process of gas scrubbing water with high calcium hardness and high solid suspension content is one simultaneous softening and coagulating process, in which sodium carbonate solution of 1-15 % concentration is added in proper position of coagulating deposition tank and the created calcium carbonate crystal and the suspended solid matter coagulate under the action of the coagulant. The present invention features that under the condition of maintaining the water pH unchanged, the concentration of calcium ion and suspended solid in water is reduced in simplified technological process, not expanded apparatus capacity and long term stable operation of the system. The present invention is also suitable for the coagulation and deposition treatment of other industrial effluent with high calcium hardness and high solid suspension content.
Owner:SHANGHAI HUAYI ENERGY CHEM +1

High voltage vacuum breaker

A high-voltage vacuum breaker is used for operation or exit of an electrical apparatus in an electrical power system; the high-voltage vacuum breaker comprises a control panel, a control chamber, an arc-estinguishing chamber, an entrance insulative bushing, a digital relay, an electronic current mutual inductor, an outlet insulative bushing,; the electronic current mutual inductor is provided in the entrance or the outlet insulative bushing and connected with the digital relay; the digital relay is composed of a filtering and amplitude adjusting module, an A / D converting module, a CPU processing module, a liquid crystal display module, and a switch quantity input and output module, and is connected with an operation mechanism of the breaker by the switch quantity input and output module. Compared the invention with a current technic, the volume is not increased, measurement, protection and diagnoses functions in an electrical power line are organically integrated, added functions perform real-time on-line monitoring on a work state, a loop control state, and a coil opening / closing state of the breaker, thereby realizing intelligentized independent operation of the breaker.
Owner:NINGBO TIANAN GRP CO LTD

Airborne shift projection device

The utility model discloses an aerial drift projection device, wherein, a projector and a screen are arranged in the aerial drift device. The projector is positioned in a housing; one end of the housing is sealed and fixed at the inner wall of the aerial drift device, and the other end is sealed with the wall of the aerial drift device through the inner wall. The projector is fixedly positioned at the housing; a viewing mirror is positioned at a lens hole; the viewing mirror and the lens hole are sealed between each other; the screen is fixedly positioned at the aerial drift device. The relative position between the wall of the aerial drift device and the screen is made of transparent materials; a conductor hole and a heat sink are positioned at the end of the housing through the outer wall of an aerial drift display screen. A display screen is positioned at the aerial drift device, and the content of advertisement can be switched under the control of the microcomputer. Drifting in the air without the constrains of the location and the time, the visual field is broad, with wide range of infection, and then a plurality of advertisements can be broadcasted in a sustained period, saving advertising resources and cost.
Owner:邹鹏

Universal case for molded case circuit breaker, molded case circuit breaker and residual current circuit breaker

The invention relates to a universal case for a molded case circuit breaker, the molded case circuit breaker and a residual current circuit breaker. According to the structure of the universal case for the molded case circuit breaker, the external dimensions and the mounting dimensions of the structures of the molded case circuit breaker and the residual current circuit breaker are consistent, and the part universality reaches over 95 percent, namely the size increase is avoided, and the development cost and the die cost are lowered. Moreover, the molded case circuit breaker and the residual current circuit breaker are conveniently arranged and replaced by a user. Unified external dimensions and unified appearance are adopted for the residual current circuit breaker and the molded case circuit breaker with the structure. Arc extinction systems, contact systems and operation systems in the residual current circuit breaker and the molded case circuit breaker are completely consistent, and release structures of the residual current circuit breaker and the molded case circuit breaker are different.
Owner:ZHEJIANG TENGEN ELECTRIC

Rechet spanner

The invention relates to ratchet wrench. It includes handle and sleeve. Its feature is that the handle is formed by upper and lower covers; and the lower one is set one flute to lay the sleeve. Compared with the existing technique, the advantages of the invention are that the upper and lower covers are designed by composite type; it only needs to open the upper cover while taking and putting the sleeve; it can save wrench working time; the processing the upper and lower cover is simple; the production cost is low.
Owner:宁波德诚工具有限公司

INGR/R9 dual-modified adriamycin targeted liposome and antitumor activity evaluation

PendingCN114177306AGrowth inhibitionReduce poison damageCompounds screening/testingOrganic active ingredientsTumor targetAdriamycin Hydrochloride
The invention relates to an iNGR / R9 dual functional peptide modified doxorubicin targeted liposome, which structurally comprises three parts, namely a doxorubicin hydrochloride liposome, a tumor targeted peptide iNGR and a cell-penetrating peptide R9, and is characterized in that an iNGR or R9 coupled PEG-DSPE functional branched chain is synthesized by adopting a Michael addition reaction; the iNGR / R9 dual-modified doxorubicin hydrochloride targeting liposome is prepared by adopting a film dispersion method and an ammonium sulfate gradient method, so that the liposome has better slow release capability and targeting capability, doxorubicin hydrochloride can efficiently enter tumor tissue cells, and the inhibition capability on tumor cell growth is enhanced. The iNGR / R9 dual-function peptide modified doxorubicin active targeting liposome has better active targeting property, can effectively reduce toxic damage of doxorubicin hydrochloride to normal tissues and cells, and reduces side effects.
Owner:JINLIN MEDICAL COLLEGE

Structure of wall air conditioner

Disclosed is a wall air conditioner structure, in which an evaporator and an evaporator-putting space length are reduce, so a headspace can be left on their side for putting a modular unit. The modular unit may be a water valve unit or a humidifying unit or an air-cleaning unit or a ventilating unit and the like, so in the headspace can be mounted a specific modular unit according to the user's needs.
Owner:BINGDIAN AIR CONDITIONING

Method for improving performance of seismic exploration moving coil detector and adjunct circuit

InactiveCN104297779ALow costImprove low frequency response characteristicsSeismic signal receiversElectromagnetic inductionMagnet
The invention provides a method for improving the performance of a seismic exploration moving coil detector and an adjunct circuit. An electromagnetic feedback circuit is additionally arranged outside the signal output end of the detector, and the circuit can be integrated at the front end of a data collecting circuit of a seismic exploration instrument. According to a traditional low-frequency detector, the electromagnetic feedback force of the detector is enhanced by increasing the size of a permanent magnet and a coil. A circuit for enhancing electromagnetic force feedback is additionally arranged at the output end of the moving coil detector, the parameter of the feedback circuit is designed according to the dynamic characteristic of electromagnetic force of the detector, the electromagnetic force of the coil is enhanced through an electronics method, electromagnetic induction is increased, and therefore the low-frequency characteristic of the detector and the bandwidth of frequency responses are improved. Through the low-cost electronics method easy to implement, the characteristic of the low-frequency responses of a common detector is improved. The detecting result indicates that after the detector with the natural frequency of 10 Hz is improved, the defector with the natural frequency equivalent to 3 Hz to 5 Hz can be achieved conveniently.
Owner:UNIV OF SCI & TECH OF CHINA

Automatic braking and accurate control type slurry pulser for petroleum drilling

The invention discloses an automatic braking and accurate control type slurry pulser for petroleum drilling. The automatic braking and accurate control type slurry pulser for petroleum drilling comprises an iron core and a driving shaft. The iron core and the driving shaft are coaxially arranged. The driving shaft is located in the iron core. An outer hollow column and an inner hollow column are arranged between the iron core and the driving shaft and fixedly connected with the inner side wall of the iron core and the outer side wall of the driving shaft correspondingly. Multiple permanent magnets are symmetrically embedded into the side wall of the inner hollow column, multiple installation grooves are symmetrically formed in the outer hollow column, and a solenoid coil and a braking mechanism are fixedly installed in each installation groove. The automatic braking and accurate control type slurry pulser for petroleum drilling is novel in structure and convenient and fast to overhauland replace. The stable tension can be provided for the driving shaft through the devices such as the solenoid coils and the permanent magnets. Braking wheels enable the driving shaft to be rapidly braked, the springback problem cannot appear, and therefore the stroke accuracy of the slurry pulser is higher.
Owner:大庆宇奥科技有限公司

Pusher direction guide controller

The invention discloses a pusher direction guide controller comprising a box, a display unit, and a control unit. The display unit contains a receiving part. The control unit contains at least one connector and at least one microprocessor. By using the microprocessor to replace artificial operation, deviation data of a pusher can be recorded and stored, and maintenance personnel can prevent damage to the pusher in advance according to the data. As a transmission line or a circuit board for electrically connecting the at least one connector to the at least one microprocessor is accommodated in the accommodating space of the box and sealed, the situation in which a pusher reaches a water source in the process of excavation and wets the circuit board is avoided, and the circuit board can achieve maximum efficiency and benefit. As the display unit and the control unit are both arranged in the accommodating space of the box, once the maintenance personnel wants to maintain a pusher or handle a fault, the maintenance personnel can directly disassemble the pusher direction guide controller to facilitate maintenance or fault handling.
Owner:王传宗

Double-permanent magnet outer-rotor permanent magnet biased radial magnetic bearing

InactiveCN101994761BReduce the remanent magnetic momentOvercome the complex defect of the magnetic compensation methodShaftsRotary machine partsRemanenceMagnetic bearing
The invention relates a double-permanent magnet outer-rotor permanent magnet biased radial magnetic bearing comprising outer magnetic conductive rings, outer permanent magnets, stator cores, excitation windings, inner magnetic conductive rings, inner permanent magnets and rotor cores, wherein four magnetic poles consist of each stator core, eight magnetic poles of the left end and the right end of the magnetic bearing consist of two stator cores, and magnetic poles in the positive and the negative directions of an X axis and a Y axis respectively consist of the eight magnetic poles; each stator magnetic pole is wound with the excitation winding; the rotor cores are positioned outside the stator cores; the outer magnetic conductive rings are positioned outside the rotor cores; the outer permanent magnets are positioned among the outer magnetic conductive rings; the outer magnetic conductive rings are connected with the rotor cores; certain gaps are retained on the inner surfaces of the rotor cores and the outer surfaces of the stator cores to form air gaps; and the permanent magnets are positioned among the inner magnetic conductive rings. The invention solves the problem of large remanence moment of the traditional permanent magnet biased outer-rotor radial magnetic bearing for space.
Owner:BEIHANG UNIV

Inner rotor permanent magnet biased radial magnetic bearing with double permanent magnets

InactiveCN101922510BReduce the remanent magnetic momentOvercome the complex defect of the magnetic compensation methodBearingsMagnetic bearingMagnetic poles
The invention relates to an inner rotor permanent magnet biased radial magnetic bearing with double permanent magnets, comprising outer magnetic rings, an outer permanent magnet, stator iron cores, exciting coils, rotor iron cores, inner magnetic rings and an inner permanent magnet. Either stator iron core forms four magnetic poles, the two stator iron cores form eight magnetic poles at the left end and the right end of the magnetic bearing, i.e. respectively forming the magnetic poles of the X-axis and the Y-axis in the positive directions and the negative directions, either stator magnetic pole is wound by the exciting coil, the outer magnetic ring is arranged outside and connected with either stator iron core, the outer permanent magnet is arranged among the outer magnetic rings, the rotor iron core is arranged inside either stator iron core, a certain gap is formed between the inner surface of the stator iron core and the outer surface of the rotor iron core so as to form an air gap, the inner magnetic ring is mounted inside either rotor iron core, and the rotor iron core at the left end and the rotor iron core at the right end are connected by the inner magnetic rings between which the inner permanent magnet is arranged. The invention solves the problem of great residual magnetic moment of a traditional permanent magnet biased inner rotor radial magnetic bearing.
Owner:BEIHANG UNIV

Food processor

The invention relates to a food processor, comprising an external cup body with an opening at the top and a cup cover covering the mouth of the external cup body in a movable way; wherein, the bottom of the cup cover is provided with an output end which can be driven to rotate by a motor, the cup cover is provided with a food feed inlet, a supporting shaft is fixed at the bottom of the inner wallof the external cup body. The food processor is characterized in that: the food processor further comprises an internal cup, the bottom of the internal cup is provided with a vasiform orifice extending toward the inner axial direction, the supporting shaft is held in the vasiform orifice, an inner tool bit is sheathed on the pipe wall of the vasiform orifice, the upper part of the inner tool bit is connected with the output end in a dismantled and assembled way and can rotate under the drive of the output end, while the food feed inlet is arranged at the position corresponding to the mouth ofthe internal cup. The food processor has the advantages that: users can change the cup for holding food according to the amount of the processed food, and one cup cover is shared, the internal cup can be put outside the external cup, and the volume of the whole body is not increased, thus facilitating packaging, carrying and transporting.
Owner:潘豪瀚
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