Pumps – Condition responsive control of pump drive motor – With plural separate drive motors for single pump unit
Patent
1993-02-01
1995-02-28
Bertsch, Richard A.
Pumps
Condition responsive control of pump drive motor
With plural separate drive motors for single pump unit
417 17, 417 42, 4174234, 417 449, 25023115, 318 85, F04D 1904, F04B 4906
Patent
active
053932013
ABSTRACT:
A synchronous rotating apparatus synchronously rotates a plurality of rotary shafts independently driven by corresponding driving devices. The apparatus includes: a mechanical regulating member, arranged on the shafts, for maintaining relative rotating positions of the shafts at a predetermined angular difference; a rotation velocity and phase-detecting member, arranged on each shaft, for detecting rotation velocities of the shafts and phases within a regulated angular difference of the regulating member, and a driving control device for controlling the driving devices of the shafts so as to synchronously rotate the shafts based on a phase difference detected by the detecting member. The apparatus is applied to a fluid rotary apparatus.
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Maruyama Teruo
Okutani Norio
Bertsch Richard A.
Matsushita Electric - Industrial Co., Ltd.
McAndrews, Jr. Roland G.
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