Planar direct drive unit comprising a position measuring system

Details Planar direct drive unit comprising a position measuring system Planar direct drive unit comprising a position measuring system

2004-06-29

2009-02-10

Paumen, Gary F. (Department: 2833)

Electrical generator or motor structure

Dynamoelectric

Linear

C318S135000

Reexamination Certificate

active

07489054

ABSTRACT:
The invention relates to a planar direct drive unit comprising a passive unit (1), an active unit (3), a bearing unit, and a position measuring system that is provided with a material measure and a measuring sensor which scans the material measure and supplies a position signal. The inventive positioning measuring system encompasses a moved component (7) and a quasi stationary component (8), one of which is formed by the material measure while the other one is formed by the measuring sensor. Both components are disposed outside the bearing gap (4) and at a distance from the running surface (2).

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patent: 6933700 (2005-08-01), Lahr et al.
patent: 7136249 (2006-11-01), Hoefer et al.
patent: 2005/0134993 (2005-06-01), Hoefer et al.
patent: 19531520 (1997-01-01), None
patent: 19513325 (2000-06-01), None
patent: 20210305 (2002-10-01), None

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