Actuator
US-2023407890-A1 · Dec 21, 2023 · US
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in which both the controlling element and the servomotor control the same member influencing a fluid passage and are connected to that member by means of a differential gearing
in which both the controlling element and the servomotor control the same member influencing a fluid passage and are connected to that member by means of a differential gearing · 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 | F15B9/12 |
| Official title | in which both the controlling element and the servomotor control the same member influencing a fluid passage and are connected to that member by means of a differential gearing |
| Display label | in which both the controlling element and the servomotor control the same member influencing a fluid passage and are connected to that member by means of a differential gearing |
| Total patents | 15 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 1 |
| 2016 | 1 |
| 2017 | 2 |
| 2018 | 2 |
| 2019 | 4 |
| 2020 | 1 |
| 2021 | 2 |
| 2023 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Rotary servo for fixed fail actuators
US-11655727-B1 · May 23, 2023 · US
Real-time capable control strategy for hydraulic systems while systematically taking into consideration control (rate) and state variable constraints
US-11048281-B2 · Jun 29, 2021 · US
Hydraulic actuator and multi-cylinder hydraulic actuator system
US-11022154-B2 · Jun 1, 2021 · US
Pressure booster
US-2020063760-A1 · Feb 27, 2020 · US
Real-Time Capable Control Strategy for Hydraulic Systems While Systematically Taking into Consideration Control (Rate) and State Variable Constraints
US-2019377371-A1 · Dec 12, 2019 · US
System for actuating a control surface of an aircraft
US-10384764-B2 · Aug 20, 2019 · US
Hydraulic rotary actuator with built-in mechanical position feedback
US-10316867-B2 · Jun 11, 2019 · US
Hydraulic actuator and multi-cylinder hydraulic actuator system
US-2019055965-A1 · Feb 21, 2019 · US
Hydraulic rotary actuator with built-in mechanical position feedback
US-2018258963-A1 · Sep 13, 2018 · US
System for actuating a control surface of an aircraft
US-2018022442-A1 · Jan 25, 2018 · US
Micro dampers for prevention of un-commanded motion in mechanical feedback actuators
US-9695846-B2 · Jul 4, 2017 · US
Electromechanical actuator and actuator unit
US-9618102-B2 · Apr 11, 2017 · US
Micro dampers for prevention of un-commanded motion in mechanical feedback actuators
US-2016091003-A1 · Mar 31, 2016 · US
Electromechanical actuator and actuator unit
US-2015114151-A1 · Apr 30, 2015 · US