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electric motor
PendingCN122095537AAchieve nominal positionEasy to installMechanical energy handlingSupports/enclosures/casingsPhysicsElectric motor
The present invention relates to an electric motor (10) having a shaft (20) arranged in a motor housing (12), the shaft being rotatably supported on an end region of an end side by means of a support mechanism (32), wherein the motor housing (12) has a housing opening (14) on the side facing the support mechanism (32), the housing opening being closed by means of a cover element (16), wherein the support mechanism (32) is arranged in a bearing receiving element (36) separate from the cover element (16), and wherein the bearing receiving element (36) is fixed in a housing receiving portion (48) of the motor housing (12) in a radially and axially fastened manner.
Owner:ROBERT BOSCH GMBH
Composite double-lsp material and preparation method and application thereof
This invention relates to the field of nanomaterials technology, and more particularly to a composite dual LSPR material, its preparation method, and its applications. The present invention provides a method for preparing a composite dual LSPR material, comprising: using nano-sized W... 18 O 49 The material is used as the substrate. Bi is sputtered onto the substrate using magnetron sputtering to obtain a composite dual LSPR material. During the magnetron sputtering process, the operating current is controlled at 0.01–0.03 A, and the operating voltage at 150–360 V. The Bi content in the composite dual LSPR material is controlled at 2–13 wt%. This preparation method allows Bi to directly react with W containing oxygen vacancies in elemental form. 18 O 49 By combining these materials, a composite dual LSPR material with superior bonding properties can be obtained. At the same time, the dual LSPR material is tightly bonded and has advantages such as nanoscale structure, good dispersibility, and high photocatalytic activity.
Owner:BEIJING UNIV OF TECH
Eccentric bending round die of coaxial heat exchanger
ActiveCN224181773USolve the technical problems of physical interferenceAchieve spiral bendingNumerical controlPipe
The utility model discloses an eccentric bending round die for a coaxial heat exchanger, relates to the technical field of coaxial heat exchanger processing, and aims to solve the problem that a bent pipe section and a bending die body are prone to physical interference when a tight spiral structure is manufactured by the traditional copper pipe spiral bending. The eccentric groove extending along the spiral track and the rotation notch used for avoiding a bent pipe section in the rotation process of the die are formed in the circular die body, the rotation notch is formed in the outer circumferential face of the circular die body, the radial depth and size of the rotation notch are matched with the diameter of a to-be-bent pipe, and the rotation notch effectively provides an avoiding space, so that the yield of the to-be-bent pipe is improved. The problem of bending interference is thoroughly solved, so that tight spiral coiling of pipes with smaller screw pitches can be achieved, machining efficiency is improved, complex processes are not needed, and the structure is simple and practical.
Owner:新乡市瑞立新材料股份有限公司
An injection mold for internal thread plastic gear
The present invention relates to the field of mold technology, and specifically to an internal threaded plastic gear injection mold, comprising a fixed mold and a movable mold, a rotatable threaded column is arranged in the mold groove of the movable mold, a mold splitting torque output device capable of outputting torque when the mold is split is arranged between the movable mold and the fixed mold, the mold splitting torque output device has a torque output part coaxial with the threaded column, an elastic torque connector is arranged between the torque output part and the threaded column, and the elastic torque connector is used to input flexible torque to the threaded column. The present application can generate torque during mold splitting through the mold splitting torque output device, and transmit it to the threaded column through the elastic torque connector, so that after the mold is completely split, the elastic torque connector can guide the threaded column to rotate, thereby being able to withdraw the plastic gear in the movable mold groove, thereby completing demolding, solving the problem that the existing mold requires auxiliary power when producing an internal threaded plastic gear chamber, thereby resulting in high production costs.
Owner:NINGBO MINGJING ELECTRONICS CO LTD
