Independent blade control system with rotary blade actuator
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Jun 23, 2015
Grant Date -
Feb 6, 2014
app pub date -
Aug 2, 2012
filing date -
Aug 2, 2012
priority date (Note) -
In Force
status (Latency Note)
Importance
|
US Family Size
|
Non-US Coverage
|
|
Patent Longevity
|
Forward Citations
|
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.
First Claim
Other Claims data not available
Family
- No Family data available.
International Classification(s)
- 2012 Application Filing Year
- F15B Class
- 455 Applications Filed
- 349 Patents Issued To-Date
- 76.71 % Issued To-Date
Cited Art Landscape
Patent Citation Ranking
- 2 Citation Count
- F15B Class
- 20.35 % this patent is cited more than
- 10 Age
Maintenance Fees
| Fee | Large entity fee | small entity fee | micro entity fee | due date |
|---|---|---|---|---|
| 11.5 Year Payment | $7400.00 | $3700.00 | $1850.00 | Dec 23, 2026 |
