Independent blade control system with rotary blade actuator
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United States of America Patent
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Jun 23, 2015
Grant Date -
Feb 6, 2014
app pub date -
Aug 2, 2012
filing date -
Aug 2, 2012
priority date (Note) -
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status (Latency Note)
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Abstract
According to one embodiment, a rotary blade actuator includes a housing, a vane disposed within the housing, a shaft disposed at least partially within the housing and coupled to the vane. The vane comprises a first vane surface disposed within a first chamber between a first fluid opening and a second fluid opening and a second vane surface disposed within a second chamber between a third fluid opening and a fourth fluid opening. The first and third fluid openings are configured to provide a first fluid to the first chamber and the second chamber at a first pressure, the second fluid opening is configured to provide a second fluid to the first chamber at a second pressure, and the fourth fluid opening is configured to provide a third fluid to the second chamber at a third pressure different from the second pressure.
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