Metal working – Method of mechanical manufacture – Prime mover or fluid pump making
Reexamination Certificate
2011-08-30
2011-08-30
Tugbang, A Dexter (Department: 3729)
Metal working
Method of mechanical manufacture
Prime mover or fluid pump making
C029S434000, C029S709000, C029S712000
Reexamination Certificate
active
08006378
ABSTRACT:
A positioning system used in assembling a scroll-type fluid machine includes a radial thrust mechanism driving motor for turning a radial thrust mechanism in synchronism with rotational phase of a rotary shaft, a vertical pressing mechanism for producing a vertical pressing force for pressing a stationary scroll against a frame, a displacement sensor for measuring horizontal displacements of a stationary scroll retaining mechanism from at least two directions, a first processor for calculating an orbital path of the stationary scroll from obtained measurement values, a second processor for evaluating stability of the orbital path of the stationary scroll based on vertical pressing force data and the orbital path of the stationary scroll, and a third processor for calculating a fixing point on which the stationary scroll is to be fixedly centered with respect to the frame when the orbital path of the stationary scroll is judged to be stable.
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Iwasaki Toshiaki
Kokubun Shinobu
Shirahata Tomohiro
Angwin David
Buchanan & Ingersoll & Rooney PC
Mitsubishi Electric Corporation
Tugbang A Dexter
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