MAGNET PUMP - IWAKI CO LTD

Title:

MAGNET PUMP

Document Type and Number:

WIPO Patent Application WO/2002/099283

Kind Code:

A1

Abstract:

A magnet pump, comprising a synthetic resin casing divided into a front casing (2) and a rear casing (3), forming, therein, an impeller storage chamber (4) and a magnet can storage chamber (5) continued to the impeller storage chamber, and having suction and discharge ports for transfer fluid provided therein, a drive transfer body (51) providing a rotating drive force to a driven magnet (14) and an impeller magnetically connected to each other through the rear casing (3), the disk−shaped impeller (21) having, therein, a flow path for sucking the transfer fluid from a center part, transferring in outer radial direction, and discharging from the outer peripheral part and fixed to the tip part of a magnet can (11), a vortex chamber (41) formed at a position where the front casing is divided into front casing (2) and the rear casing (3) so as to surround the outer peripheral part of the impeller (21) along the outer periphery of the impeller storage chamber (4), and extension parts (41a) and (41b) extended from both sides of the casings in the rotating axis direction of the impeller (21) and provided at the inlet of the vortex chamber (41).

Inventors:

TERADA KEIICHI (JP)
KONDO TOSHIHIKO (JP)
KURIHARA YASUMASA (JP)
KATO KOICHI (JP)
KINOSHITA TAKAHIRO (JP)

Application Number:

PCT/JP2001/004744

Publication Date:

December 12, 2002

Filing Date:

June 05, 2001

Export Citation:

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Assignee:

IWAKI CO LTD (JP)
TERADA KEIICHI (JP)
KONDO TOSHIHIKO (JP)
KURIHARA YASUMASA (JP)
KATO KOICHI (JP)
KINOSHITA TAKAHIRO (JP)

International Classes:

F04D13/02; F04D29/42; (IPC1-7): F04D13/02

Foreign References:

EP0778658A1	1997-06-11
JPH11210669A	1999-08-03
JPH08135592A	1996-05-28
JPS61101690U	1986-06-28
JPH08166000A	1996-06-25

Other References: