Title: Magnetic hydraulic pump

Abstract: A hydraulic pump is disclosed, which comprises a first permanent magnet magnetized alternately with positive and negative polarities and surrounding a rotary shaft, and having a pump casing provided in opposed relation to said first permanent magnet, and a second permanent magnet provided within a pump chamber in said pump casing on the side opposite said first permanent magnet and magnetized with alternately positive and negative polarities like said first permanent magnet, and a rotor having blades and provided within said pump casing in rotatable relation on the other side thereof, whereby the rotation of the rotor may be automatically stopped in case an excessive load is applied to the rotor and, in addition, different kinds of liquid may be completely mixed therein.

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Inventors: Miyahara, Kingo (Tokyo, JA)

Application Number: 504976
Filing Date: 1974-09-11
Publication_date: 1976-03-02
Assignee: Dowa Co., Ltd. (JA)
Primary Class(es): 417/420 366/263, 366/273, 417/430
Other Classes:
US Patent Ref:

2885126	May, 1959	Hudson	417/420.
3299819	Jan, 1967	McCoy	417/420.

Other Refs:
Primary Examiner: Croyle, Carlton R.
Assistant Examiner: Gluck, Richard E.
Attorney: Hill, Gross, Simpson, Van Santen, Steadman, Chiara & Simpson