Gas Turbine Engine Fuel System for an Aircraft Propulsion System
US-2025146461-A1 · May 8, 2025 · US
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using fluid, other than fuel, for injection-valve actuation
using fluid, other than fuel, for injection-valve actuation · 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 | F02M47/04 |
| Official title | using fluid, other than fuel, for injection-valve actuation |
| Display label | using fluid, other than fuel, for injection-valve actuation |
| Total patents | 11 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 3 |
| 2016 | 1 |
| 2017 | 1 |
| 2018 | 1 |
| 2020 | 4 |
| 2025 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Combustion-powered flow control actuator with external fuel injector
US-10823126-B2 · Nov 3, 2020 · US
Filter assembly for fuel injectors
US-10767614-B2 · Sep 8, 2020 · US
Filter assembly for fuel injectors
US-2020132030-A1 · Apr 30, 2020 · US
Combustion-powered flow control actuator with external fuel injector
US-2020072174-A1 · Mar 5, 2020 · US
Fuel injector
US-9856841-B2 · Jan 2, 2018 · US
Method for reducing valve recession in gaseous fuel engines
US-9624872-B2 · Apr 18, 2017 · US
Oil filter
US-2016108876-A1 · Apr 21, 2016 · US
Fuel Injector
US-2015345454-A1 · Dec 3, 2015 · US
Fuel gas injection valve, dual-fuel gas engine, and fuel gas injection method
US-2015211464-A1 · Jul 30, 2015 · US
Motion modifiers for fuel injection systems
US-2015069144-A1 · Mar 12, 2015 · US