The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Feb. 28, 1995
Filed:
Feb. 01, 1993
Norio Okutani, Neyagawa, JP;
Teruo Maruyama, Hirakata, JP;
Matsushita Electric Industrial Co., Ltd., Osaka, JP;
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.