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51results about How to "Fixed distance" patented technology

Air spring testing device

The invention discloses an air spring testing device which comprises a working table (1), a first cylinder (2) connected with an air source, a tension and pressure sensor (3) and a grating ruler displacement sensor (5). A piston rod of the first cylinder (2) can push a tested air spring to extend and contact, the grating ruler displacement sensor (5) is used for measuring the route of the air spring (4), and a controller (6) and a displayer (7) are arranged on the working table (1). The air spring testing device can perform detection on airtightness, accuracy, service life and force value changing during the route of the air spring.
Owner:宁波禾采医疗器械有限公司

Electrochemical device

This application relates to an electrochemical device having safety performance. Specifically, this application provides an electrochemical device, including: an anode, the anode comprising an anode active material layer; a separator; and a polymer layer, wherein the polymer layer is disposed between the anode active material layer and the separator. The polymer layer comprises polymer particles, and the polymer particles according to some embodiments of this application have a sphericity of about 0.70 to about 1.0. This application effectively protects the anode by providing a non-conductive or poorly conductive inactive substance (for example, non-conductive polymer particles) between the anode active material layer and the separator, so as to ensure that is the electrochemical device does not generate an internal short circuit when being impacted, penetrated or squeezed by an external force, which causes a failure of the electrochemical device.
Owner:NINGDE AMPEREX TECH

Compact pendant sprinkler head

A pendant sprinkler head includes a sprinkler body formed with a central orifice, and a sealing member positioned within the orifice and in sealing engagement with the inlet. A deflector assembly is at least partially positioned within the orifice and includes an annular ring having a pair of attachment arms secured to a deflector plate positioned in proximity to, or partially within the outlet. A retaining ring positioned within the orifice acts as a stop, preventing the annular ring from being expelled from the orifice. According to another aspect of the invention, a pendent sprinkler head includes a sprinkler body and a body extension connected to the body. A deflector plate is formed with a plurality of support members received by a retaining ring positioned in proximity to the bottom of the sprinkler body, and within the body extension. The body extension is configured to capture the retaining ring upon activation, enabling the deflector plate to depend below the body extension.
Owner:VIKING

System and method for mounting wall panels to a wall

A system for mounting wall panels to an existing wall, including a plurality of fastening extrusions, each fastening extrusion including a base section adapted to be secured to the existing wall, at least one retaining wall extending at an angle from the base section, and a holding member on each retaining wall for holding one end of a wall panel to a respective the fastening extrusion; and wherein at least some adjacent retaining walls have different heights from each other so as to impart a three-dimensional appearance to the wall panels mounted to the existing wall.
Owner:BILGE HENRY H

Rail transit tunnel geological radar mobile intelligent detection equipment and operation method

The invention discloses rail transit tunnel geological radar mobile intelligent detection equipment and an operation method. The working state of each rotary telescopic device is controlled by a console, the tail end of each rotary telescopic device is provided with a radar antenna detection device through a telescopic slideway device, the rotary telescopic device rotates under the control of theconsole, the working angle and the working pose of the radar antenna detection device installed on the telescopic slideway device are adjusted, and the fixed distance, which is required by detection,between the radar antenna and the tunnel lining wall is kept; each rotary telescopic device is further provided with a laser detection device, and obstacles on the surface of the tunnel lining are monitored in real time in the moving process of an engineering vehicle so as to avoid the obstacles and adjust the detection route. According to the invention, the laser detection result can be received,the detection path can be set, the working posture of the detection system can be intelligently adjusted, and intelligent detection is achieved.
Owner:SHANDONG UNIV +1

Small refractive zoom lens optical system

Disclosed is a zoom lens optical system including: a first lens group that is provided close to an object, has a negative refractive power in total, and includes an optical part having a surface that reflects light; a second lens group that has a negative refractive power in total; an iris; a third lens group that has a positive refractive power in total; and a fourth lens group that has a positive refractive power in total. At least one of the second lens group, the third lens group, and the fourth lens group is moved to vary magnification. The second lens group is moved to perform focus adjustment when a distance to an object is changed between a long distance to a short distance, and the distance from a first lens of the first lens group to an imaging surface is fixed even when the lens moves during a change in magnification and the focus adjustment.According to the invention, it is possible to maintain high resolution with a simple structure during auto focusing from a short distance to a long distance, and it is also possible to achieve an optical system with a small size.
Owner:SAMSUNG ELECTRO MECHANICS CO LTD

Tip-base metal distance control method for arc welding system, and arc welding system

ActiveUS20110198331A1Stably perform arc weldingFixed distanceArc welding apparatusReference currentSimulation
A tip-base metal distance control method includes an actual-welding-current acquisition step of measuring actual welding currents by current measuring means under a predetermined actual welding condition and calculating an average actual welding current under the actual welding condition by average-value calculation means, a reference-current acquisition step of extracting, from a reference-current storage table, an average actual welding current corresponding to the actual welding condition and setting the average actual welding current as a reference current by reference-current acquisition means, a current comparison step of comparing the average actual welding current under the actual welding condition with the reference current by current comparison means, and a welding-torch-position correction step of correcting the position of a welding torch in an upward or downward direction by welding-torch-position correction means on the basis of a comparison result in the current comparison step.
Owner:KOBE STEEL LTD

Interpupillary distance adjustment mechanism for optical device

InactiveUS20060221442A1Undesired sliding movement of slide to slide can be preventedAvoid viewingTelescopesMountingsPupillary distanceEngineering
An interpupillary distance adjustment mechanism for an optical device includes a slide rail (1) mounted on a middle support of the optical device, two slide blocks (2) mounted on respective lens barrels of the optical device, and a blocking member (4, 4′). The two slide blocks are slidably movable relative to the slide rail toward or away from each other to change the distance between the two lens barrels of the optical device. The blocking member is manually operable to provide an acting force between the slide block and the slide rail, and thus changing the friction force therebetween during sliding movement of the slide block. In this way, undesired sliding movement of the slide block relative to the slide rail can be prevented.
Owner:ASIA OPTICAL CO INC

Connector

A connector comprises a housing, a plurality of contact terminals and a signal processing module. The housing has a receiving hole for receiving a plug. The plurality of contact terminals are disposed in the housing for being connected with the plug. The signal processing module is electrically connected with the contact terminals and has a first magnetic component, wherein the first magnetic component comprises a base and a plurality of magnetic cores, the base has a plurality of through holes, each of which has substantially the same size as that of the magnetic core so that the magnetic core is fixed in the through hole, and distances between adjacent two through holes are the same.
Owner:DELTA ELECTRONICS INC

Method for manufacturing hollowed-out board

The present invention discloses a method for manufacturing a hollow board, which comprises the following steps: pressing a first covering film formed with a punching opening and a punching positioning hole on the first surface of a copper foil; then after a second surface of the copper foil is subjected to line molding, pressing a second covering film on the second surface of the copper foil so as to obtain a circuit board; subsequently, perforating in alignment with the punching positioning hole on the first covering film so as to form a punching positioning through hole on the circuit board; and then punching the circuit board taking the punching positioning through hole as a reference so as to punch out a hollow pattern within the area of the punching opening. The method for manufacturing the hollow board has the advantages that the distance between the punching opening and the punching positioning through hole is kept unchanged, so the distance between the punching opening and the hollow pattern is ensured to be unchanged, the punching precision is improved, and the phenomenon of poor deflective punching is avoided effectively.
Owner:靖江市城中村投资建设有限公司

Method for assembling cobblestones into mats and device for carrying out thereof

A cobblestone mat usable for covering roads, sidewalks, patios, outside / inside walls, etc., is disclosed, comprising a plurality of predeterminedly shaped cobblestones disposed at a certain distance to each other and a binding net internally imparted into and joining the cobblestones. A method is provided for assembling concrete cobblestones and the net, comprising the steps of providing a mold for forming the mat, predeterminedly placing the net into the mold, pouring liquid concrete into therein, hardening the concrete, forming the mat, and extracting the mat from the mold. An automated device for making the mat is proposed. There are also described preferable shapes and sizes of the cobblestones and cobblestone mats. The invention permits achieving high quality covering even by low-experienced workers, expediting the covering, minimizing dust and noise at work site since it avoids cutting the cobblestones, decorating surfaces with imitation of natural stone appearance and various colors and designs.
Owner:USDENSKI ETREM

Electronic package and method for fabricating the same

The present disclosure provides an electronic package and a method for fabricating the same. The method including: connecting a first carrier structure with an electronic component via a bonding layer formed thereon; stacking the first carrier structure on a second carrier structure via a plurality of conductive elements; and electrically connecting the electronic component to the second carrier structure to thereby maintain and secure the distance between the first and second carrier structures.
Owner:SILICONWARE PRECISION IND CO LTD

Mass flow sensor

The invention relates to a mass flow sensor. The mass flow sensor comprises a first measuring pipe and a second measuring pipe, wherein the two measuring pipes are identical in structure and size and are arranged in a shell in parallel, an angle formed between the axis of a straight pipe section of each measuring pipe and the axis of a first oblique pipe section and an angle formed between the axis of the first oblique pipe section and the axis of a first port section are respectively of an obtuse angle, and an angle formed between the axis of the straight pipe section and the axis of a second oblique pipe section and an angle formed between the axis of the second oblique pipe section and the axis of a second port section are respectively of an obtuse angle. By adopting the technical scheme, when the mass flow of compressed natural gas is measured, the resistance to the compressed natural gas can be reduced; moreover, the distance can be firmly controlled, and a compressed natural gas circulation measuring pipe is enabled to have a high mechanical quality factor, good stability and high shock resistance.
Owner:孙晓君 +1

In situ assembly of a bi-directional neural interface

The subject matter of the present disclosure generally relates to a method and system for providing a bi-directional neural interface having an electrode configured to be positioned on a nerve; a substrate holding the electrode; a biocompatible insulator configured to electrically isolate the electrode when the electrode is positioned on the nerve, wherein the biocompatible insulator is formed in place about the electrode; and a pulse generator configured to deliver energy pulses to the electrode.
Owner:GENERAL ELECTRIC CO

Coil component

Disclosed herein is a coil component that includes a magnetic core having first and second through holes extending in a first direction and arranged in a second direction perpendicular to the first direction, and a conductive plate including first and second body parts inserted respectively through the first and second through holes. The magnetic core includes a middle leg part positioned between the first and second through holes, a first outer leg part positioned on an opposite side to the middle leg part across the first through hole, and a second outer leg part positioned on an opposite side to the middle leg part across the second through hole. Area of each of the first and second outer leg parts defined by the first and second directions is larger than that of the middle leg part.
Owner:TDK CORPARATION

Pet leash structure

A pet leash structure comprises more than one main leash body and more than one drag leash. The more than one main leash body is weaved by a strap body and has a handle portion provided for a person to hold and a connection portion connected to a collar. A pull section is formed between the handle portion and the connection portion. The more than one drag leash has a predetermined length and is connected to a tail end of the pull section. Therefore, a distance between the person and a pet may be fixed by pulling the more than one drag leash so that the person may quickly drag the pet back by pulling the more than one drag leash.
Owner:HSIEH CHUN TENG
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