Pumps – Expansible chamber type – Valved piston
Reexamination Certificate
2005-01-18
2005-01-18
Tyler, Cheryl J. (Department: 3746)
Pumps
Expansible chamber type
Valved piston
C417S273000, C417S470000, C417S555100, C417S562000, C417S567000, C417S569000
Reexamination Certificate
active
06843645
ABSTRACT:
A magnet pump includes a synthetic resin casing, divided into a front casing and a rear casing and configured to internally form an impeller housing chamber and a magnet can housing chamber contiguous thereto, having an inlet and an outlet for a target fluid to be transferred. The casing forms an eddy chamber at a position for dividing the front casing and the rear casing along the outer rim of the impeller housing chamber to surround the outer rim of the impeller. The eddy chamber has overhangs formed at an entry of the eddy chamber hanging over from both sides in the rotational-axis direction of the impeller.
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Kato Koichi
Kinoshita Takahiro
Kondo Toshihiko
Kurihara Yasumasa
Terada Keiichi
Iwaki Co. Ltd.
Solak Timothy P.
Tyler Cheryl J.
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