Assembling method for non-metal composite material protective ring
Title：
Assembling method for non-metal composite material protective ring
Application Number：
 200410078319
Application Date：
 2004/09/24
Announcement Date：
 2005/03/02
Pub. Date：
Publication Number：
 1588765
Announcement Number：
Grant Date：
Granted Pub. Date：
ApplicationType：
 Invention
State/Country：
 11[China|beijing]
IPC：
 H02K 15/00, H02K 3/50
Applicant(s)：
 Tsinghua Univ.
Inventor(s)：
 Yang Guojun, Sun Zhuo, Sun Weidong
Key Words：
 Assembling method, non-metal composite material, protective ring
Abstract：
 This invention relates erection method of non-metal complex protection hoop, which method solves problem of difficult to erect said hoop onto rotor of electric motor by traditional arc of shrink-on process. The erection method comprises steps of: first, calculating radial displacements of internal radius U1 and external radius U2 of the rigid central ring when the electric motor rotating; then calculating the radial displacement of connection part between the protection hoop and central ring; finally, selecting suitable material to producing central ring to let U2 being greater than radial displacemento f the protection hoop. So, the protection hoop can be covered noto the central ring of the rotor directly by manual method.
Claim：
Priority：
PCT：
LegalStatus：

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2008-4-17
  Selected patents owned by Tsinghua University filed in 2005 are loaded.
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