Air gap measuring apparatus
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United States of America Patent
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-
May 5, 2015
Grant Date -
Oct 11, 2012
app pub date -
Jun 20, 2012
filing date -
Dec 21, 2009
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
Disclosed is an air gap measuring apparatus, for measuring width of an air gap formed between a rotator and a stator. An insertion section has a first flat plate section and a second flat plate section. Gap adjusting means drives the second flat plate section such that the second flat plate section moves away from the first flat plate section, until the first flat plate section and the second flat plate section abuts on the rotator and the stator. An operating section extends to outside of the insertion section, and operates the gap adjusting means. An elastic body has an end that follows the first flat plate section, and other end that follows the second flat plate section. A strain gage outputs electrical signals corresponding to the strain of the elastic body, the strain being formed due to the movement of the second flat plate section.
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