Title:
WATER SUPPLY PUMP
Document Type and Number:
Japanese Patent JP3829417
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To easily mount a magnet and a back plate on an impeller part at a low cost.
SOLUTION: This pump comprises an impeller part 1 has a rotary shaft 11 on one end part of which a cylinder part 13 formed in the shape of a cylinder with a bottom is mounted; a magnet 2 rotationally driven in a given direction by a drive magnet 3 arranged opposite through a partition wall 7; a back plate 4 making contact with the magnet 2; and a magnet holder 5 formed in the shape of a cylinder with a bottom and holding the magnet 2 held in a cylinder. In this case, the magnet holder 5 has a lock protrusion 53 protruding externally of the cylinder and formed on a cylinder outer peripheral part 51. The impeller part 1 has one piece cut in the direction of a rotary shaft and the other piece extending orthogonal to one piece and is formed approximately in an L-shape. A lock groove locked at the lock protrusion 53 is formed in a wall 13a on the cylinder side.
Inventors:
Masato Nagai
Takeshi Ueyama
Takeshi Ueyama
Application Number:
JP17334897A
Publication Date:
October 04, 2006
Filing Date:
June 30, 1997
Export Citation:
Assignee:
MATSUSHITA ELECTRIC WORKS,LTD.
International Classes:
F04D1/14; F04D13/02; (IPC1-7): F04D13/02; F04D1/14
Domestic Patent References:
| JP7039716U | ||||
| JP1226557A | ||||
| JP5077039U | ||||
| JP8232882A | ||||
| JP6080895U |
Attorney, Agent or Firm:
Junji Ando
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