Rotary to linear LVDT system
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United States of America Patent
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-
Mar 28, 2006
Issued Date -
N/A
app pub date -
Jun 27, 2005
filing date -
Aug 4, 2000
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A rotary input for a linear variable differential transformer (LVDT) system connects to a gear reduction system. The gear reduction produces a reduced rotary output in a rotary output member. The output member is threaded, and a nut is threaded onto the output member. Therefore, the nut translates as the rotary output member rotates. The armatures of one or more LVDTs attach to the nut. Each armature contains a magnetic member. As the nut translates along the threaded output member, the nut translates the armatures. Armature movement moves the magnetic members to create a differential voltage between the secondary coils of the LVDT.
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