System and method for mitigating vortex-shedding vibrations or stall-induced vibrations on rotor blade of a wind turbine during standstill
US-11867156-B2 · Jan 9, 2024 · US
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by influencing the boundary layer
by influencing the boundary layer · Cooperative Patent Classification (CPC)
Engines, pumps, lighting, heating, and mechanical systems.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | F15D1/002 |
| Official title | {by influencing the boundary layer} |
| Display label | by influencing the boundary layer |
| Total patents | 14 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2015 | 2 |
| 2016 | 3 |
| 2018 | 1 |
| 2019 | 1 |
| 2020 | 3 |
| 2021 | 1 |
| 2022 | 1 |
| 2023 | 1 |
| 2024 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Determining the flow rate of a flowing fluid
US-2023051345-A1 · Feb 16, 2023 · US
Active flow control systems for aircraft and related methods
US-11332235-B2 · May 17, 2022 · US
System and method for mitigating vortex-shedding vibrations or stall-induced vibrations on rotor blade of a wind turbine during standstill
US-2021079896-A1 · Mar 18, 2021 · US
Method of preventing separation of a fluid flow and flow body system
US-10737772-B2 · Aug 11, 2020 · US
Liquid ejection head and method for circulating liquid
US-10717273-B2 · Jul 21, 2020 · US
Active flow control systems for aircraft and related methods
US-2020017199-A1 · Jan 16, 2020 · US
Liquid ejection head and method for circulating liquid
US-2019023016-A1 · Jan 24, 2019 · US
Method of preventing separation of a fluid flow and flow body system
US-2018162521-A1 · Jun 14, 2018 · US
Cavity acoustic tones suppression
US-9493233-B2 · Nov 15, 2016 · US
Cavity acoustic tones suppression
US-2016031548-A1 · Feb 4, 2016 · US
Phaseguide patterns for liquid manipulation
US-2016025116-A1 · Jan 28, 2016 · US
Well drain system for use with multi-well synthesizer
US-2015369267-A1 · Dec 24, 2015 · US
System for amplifying flow-induced vibration energy using boundary layer and wake flow control
US-9010197-B1 · Apr 21, 2015 · US