公开(公告)号：KR100422576B1

公开(公告)日：2004-03-11

申请号：KR1020010061996

申请日：2001-10-09

Applicant: 한국과학기술연구원

Inventor： 김창호 ,  이용복 ,  김승종 ,  윤준용

IPC: G01F1/10

CPC classification number: G01F1/115

Abstract: The present invention relates to a high accuracy turbine flowmeter using a magnetic bearing. More specifically, the object of the invention is to provide a method for enhancing the accuracy and reliability of a turbine flowmeter by improving the friction and wear-out effects occurring from the bearing parts through a non-contact support of the rotor in terms of a magnetic bearing.

Abstract translation: 本发明涉及使用磁轴承的高精度涡轮流量计。 更具体地说，本发明的目的是提供一种用于通过转子的非接触支撑来改善从轴承部分产生的摩擦和磨损效应以提高涡轮流量计的精度和可靠性的方法 磁轴承。

公开(公告)号：KR1020030030167A

公开(公告)日：2003-04-18

申请号：KR1020010061996

申请日：2001-10-09

Applicant: 한국과학기술연구원

Inventor： 김창호 ,  이용복 ,  김승종 ,  윤준용

IPC: G01F1/10

CPC classification number: G01F1/115

Abstract: PURPOSE: A high-precision turbine flowmeter is provided to achieve a precise measurement with preventing a bearing part from being worn by supporting a rotor in non-contact manner using a magnetic bearing. CONSTITUTION: Flow straighteners(104a,104b) are installed at inlet/outlet portions of a turbine rotor(100) having a rotating blade(102). A magnetic pickup coil(110) is installed at an inner wall of a flowmeter so as to detect an R.P.M of the turbine rotor(100). Pairs of permanent magnets(106a,106b,108a,108b) are radially installed at the flow straightener(104b), which is installed at a rear portion of the turbine rotor(100). The flow straighteners(104a,104b) reduce a measuring error caused by an uneven flow while supporting the turbine rotor(100). An outlet portion of the turbine rotor(100) is supported in non-contact manner by the permanent magnets(106a,106b,108a,108b).

Abstract translation: 目的：提供高精度涡轮流量计，以通过使用磁性轴承以非接触方式支撑转子来防止轴承部件磨损，从而实现精确的测量。 构造：流动矫直机（104a，104b）安装在具有旋转叶片（102）的涡轮机转子（100）的入口/出口部分处。 磁流体线圈（110）安装在流量计的内壁处，以便检测涡轮转子（100）的R.P.M。 一对永磁体（106a，106b，108a，108b）径向地安装在安装在涡轮转子（100）的后部的整流器（104b）处。 流量整流器（104a，104b）在支撑涡轮转子（100）的同时减少由不均匀流动引起的测量误差。 涡轮转子（100）的出口部分由永磁体（106a，106b，108a，108b）非接触地支撑。