chinese national patent 中国专利(2)   中国专利      How to Use the Chinese National Patent Information Retrieval System      中国专利信息检索系统的使用 短句来源      This paper introduces how to use the Chinese National Patent Information Retrieval System to seek some patent information, and then show you an example.      介绍了如何使用中国专利信息检索系统查找有关专利信息并给出一个实例。 短句来源   相似匹配句对      It has obtained national patent.      已获国家专利。 短句来源      Construction of The National Bio-Sequence Database of Chinese Patent      中国专利基因数据库的创建 短句来源      How to Use the Chinese National Patent Information Retrieval System      中国专利信息检索系统的使用 短句来源      On Chinese National Personality and its Cultivation      略论中华民族个性及其当代培育 短句来源      Patent      专利台 短句来源 查询“chinese national patent”译词为用户自定义的双语例句     我想查看译文中含有：的双语例句 没有找到相关例句 The author is aware of very large 3-coordinate cutting machine available for import. Its three coordinates are p,a,z.To make use of p,a,z and add another coordinate e for turning angle control. The author finds that turning angle error cannot be avoided. So the author uses x, y,Z,θ as the 4 coordinates in her design of 4-coordinate cutting machine.The 4th coordinate θ is needed because torch must always be perpendicular to the surface at whichever point it is cutting.Moreover torch nozzle must satisfy the stringent... The author is aware of very large 3-coordinate cutting machine available for import. Its three coordinates are p,a,z.To make use of p,a,z and add another coordinate e for turning angle control. The author finds that turning angle error cannot be avoided. So the author uses x, y,Z,θ as the 4 coordinates in her design of 4-coordinate cutting machine.The 4th coordinate θ is needed because torch must always be perpendicular to the surface at whichever point it is cutting.Moreover torch nozzle must satisfy the stringent requirement complicated by the fact that the cylindrical wall surface to be cut deviates appreciably from perfect roundness, that its distance from surf are is maintained at 1mm, the distance optimal for plasma cutting. The above-menhonal two requirements call for two effective measures to be taken. One measure is the design of an effective 4-coordinate trace device.The other measure is the introduction of decoupling technique so as to avoid causing y,z change from intended values when θis adjusted.μ computer control system incorporates certain available technical measures that are considered edvanced in China and also some new ideas of the authors.They all contribute to the performance of the machine in the three following respects:accumulative errors are avoided.the distribution of interpolation pulse is highly uniform, leading to increased cutting accuracy and the entire machine is more resistant to interference.After a careful world-wide search of flame cutting machine literature including patents,covering the 29yr period of 1963-1991 inclusive, by an agency appointed by the Chinese national patent ofice. the author received on July 15,1992 the Chinese Patent No.91124128.4. 文中阐述了机电一体化立体切割机的总体结构，设计思想和机电特点．着重介绍了四坐标联动系统数学建模中坐标系的选择，转角系统的机械解耦技术，提高切割精度的结构设计，软件模块结构及子程序的设计思想，脉冲细化插补和增量法运算，以及抗干扰措施．经工厂两年多运行表明：切割精度高，工作稳定可靠，抗干扰能力强，生产效率高，操作简便． This paper introduces how to use the Chinese National Patent Information Retrieval System to seek some patent information, and then show you an example. 介绍了如何使用中国专利信息检索系统查找有关专利信息并给出一个实例。 Needle valve partner is a very important component of a diesel engine. In order to enhance the needle valve partner's working reliability and the service life,the paper designs one kind of new needle valve partner.Its character is to introduce the high-pressured fuel oil on its guidance surface on the foundation of using seals conical surfaces with 90 degrees,and has achieved the goal of forced lubrication of its guidance spot.This design has attained the authority of Chinese National Patent Office.The... Needle valve partner is a very important component of a diesel engine. In order to enhance the needle valve partner's working reliability and the service life,the paper designs one kind of new needle valve partner.Its character is to introduce the high-pressured fuel oil on its guidance surface on the foundation of using seals conical surfaces with 90 degrees,and has achieved the goal of forced lubrication of its guidance spot.This design has attained the authority of Chinese National Patent Office.The result of the product in this design used in marine diesel engine and the high strengthening locomotive diesel engine of middle speed shows that this type of needle valve partner has reduced failure rate greatly,and the service life is improved greatly. 针阀偶件是柴油机的一个非常重要的零部件。为了提高针阀偶件的工作可靠性和使用寿命,笔者设计了一种新的针阀偶件。它的特点是在采用90°密封锥面的基础上,在其导向面上引入了高压燃油,进而达到强制润滑其导向部位的目的。该设计已获中国国家专利局的授权。按照该设计生产的产品在船用柴油机、高强化中速机车柴油机上的运用结果表明,该型针阀偶件大大减少了故障率,并且使用寿命得到大幅度的提高。    相关查询 national patent chinese national chinese patent chinese national cultural chinese national style chinese ancient national national patent information chinese national standards chinese national security chinese national conditions chinese national net chinese national wushu

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