Hydraulic Motor With Non-Contact Encoder System
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United States of America Patent
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Issued Date -
Aug 4, 2011
app pub date -
Feb 1, 2010
filing date -
Feb 1, 2010
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A disc valve hydraulic motor assembly is disclosed that includes a rotary valve that rotates in accordance with the motor output shaft and in which a two-pole bolt magnet is mounted in alignment with the center of the rotating valve to rotate with the rotating valve. The end housing of the disc valve hydraulic motor that is spaced from and disposed beyond the rotating valve is provided with a central opening aligned with the magnet. A stainless steel plug is interposed between the sensor and the interior of the motor so that the sensor is separated from the high pressure hydraulic fluid.
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