US2007086901A1PendingUtilityA1

Motor rotator structure of hot water circulating pump

44
Individually held — no corporate assignee on recordPriority: Mar 18, 2005Filed: Mar 16, 2006Published: Apr 19, 2007
Est. expiryMar 18, 2025(expired)· nominal 20-yr term from priority
Inventors:Ki Hyun Kim
F04D 13/0606F04D 29/628H01G 2/18
44
PatentIndex Score
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Claims

Abstract

Provided is a motor rotator structure of a hot water circulating pump. The structure includes a metal pipe whose interior is empty, a rotator core, and sealing caps. The rotator core is inserted into the metal pipe. The sealing caps are fitted into both sides of the rotator core, respectively. The metal pipe is inwardly rolled at both ends such that the sealing caps are compressed and fixed to the rotator core.

Claims

exact text as granted — not AI-modified
1 . A motor rotator structure of a hot water circulating pump, the structure comprising: 
 a metal pipe whose interior is empty;    a rotator core inserted into the metal pipe, and    sealing caps fitted into both sides of the rotator core, respectively,    wherein the metal pipe is inwardly rolled at both ends such that the sealing caps are compressed and fixed to the rotator core.    
   
   
       2 . The structure according to  claim 1 , wherein washers are attached to outer surfaces of the sealing caps, respectively.  
   
   
       3 . The structure according to  claim 1 , wherein the sealing caps are of silicon.

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