CN101719411B - 可精确控制位移量的牵引电磁铁 - Google Patents
可精确控制位移量的牵引电磁铁 Download PDFInfo
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- CN101719411B CN101719411B CN2009102639201A CN200910263920A CN101719411B CN 101719411 B CN101719411 B CN 101719411B CN 2009102639201 A CN2009102639201 A CN 2009102639201A CN 200910263920 A CN200910263920 A CN 200910263920A CN 101719411 B CN101719411 B CN 101719411B
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- electromagnet
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CN2009102639201A CN101719411B (zh) | 2009-12-28 | 2009-12-28 | 可精确控制位移量的牵引电磁铁 |
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CN2009102639201A CN101719411B (zh) | 2009-12-28 | 2009-12-28 | 可精确控制位移量的牵引电磁铁 |
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CN101719411A CN101719411A (zh) | 2010-06-02 |
CN101719411B true CN101719411B (zh) | 2012-07-18 |
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Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
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CN102724789B (zh) * | 2011-03-30 | 2014-05-28 | 英飞特电子(杭州)股份有限公司 | 一种控制led光输出量恒定的电路和方法 |
CN109590353B (zh) * | 2018-10-30 | 2021-01-22 | 南京盛大重工机械有限公司 | 双伺服泵控电液折弯机 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5243313A (en) * | 1992-09-16 | 1993-09-07 | Westinghouse Electric Corp. | Tractive magnet with asymmetric permanent air gap |
CN2275755Y (zh) * | 1996-12-09 | 1998-03-04 | 王敬茂 | 节能电磁铁控制器 |
CN2335238Y (zh) * | 1998-04-29 | 1999-08-25 | 韩明藻 | 步进电磁铁 |
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2009
- 2009-12-28 CN CN2009102639201A patent/CN101719411B/zh active Active
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5243313A (en) * | 1992-09-16 | 1993-09-07 | Westinghouse Electric Corp. | Tractive magnet with asymmetric permanent air gap |
CN2275755Y (zh) * | 1996-12-09 | 1998-03-04 | 王敬茂 | 节能电磁铁控制器 |
CN2335238Y (zh) * | 1998-04-29 | 1999-08-25 | 韩明藻 | 步进电磁铁 |
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CN101719411A (zh) | 2010-06-02 |
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Owner name: CANGZHOU SPIRAL STEEL PIPE CO., LTD. Free format text: FORMER OWNER: HEBEI UNIVERSITY OF SCIENCE AND TECHNOLOGY Effective date: 20120531 |
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C41 | Transfer of patent application or patent right or utility model | ||
C53 | Correction of patent for invention or patent application | ||
CB03 | Change of inventor or designer information |
Inventor after: Zhang Chi Inventor after: Wei Zeding Inventor after: Zheng Tongbing Inventor after: Li Shijun Inventor after: Wang Yizhuo Inventor after: Bi Jun Inventor after: Hai Wang Inventor before: Zhang Chi Inventor before: Wei Zeding |
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Free format text: CORRECT: ADDRESS; FROM: 050018 SHIJIAZHUANG, HEBEI PROVINCE TO: 061000 CANGZHOU, HEBEI PROVINCE Free format text: CORRECT: INVENTOR; FROM: ZHANG CHI WEI ZEDING TO: ZHANG CHI WEI ZEDING ZHENG TONGBING LI SHIJUN WANG YIZHUO BI JUN HAI WANG |
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TA01 | Transfer of patent application right |
Effective date of registration: 20120531 Address after: 061000 No. 92 Jiefang East Road, Xinhua District, Hebei, Cangzhou Applicant after: Cangzhou Spiral steel tubes Co., Ltd. Address before: 050018 No. 70 East Yuhua Road, Yuhua District, Hebei, Shijiazhuang Applicant before: Hebei University of Science and Technology |
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
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Owner name: CANGZHOU SPIRAL STEEL PIPE GROUP CO., LTD. Free format text: FORMER NAME: CANGZHOU SPIRAL STEEL PIPE CO., LTD. |
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CP01 | Change in the name or title of a patent holder |
Address after: 061000 No. 92 Jiefang East Road, Xinhua District, Hebei, Cangzhou Patentee after: CANGZHOU SPIRAL STEEL PIPES GROUP CO., LTD. Address before: 061000 No. 92 Jiefang East Road, Xinhua District, Hebei, Cangzhou Patentee before: Cangzhou Spiral steel tubes Co., Ltd. |