Fuel injector of an internal combustion engine and combustion engine
US-12404827-B2 · Sep 2, 2025 · US
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Mechanically actuated valves draining the chamber to release the closing pressure
Mechanically actuated valves draining the chamber to release the closing pressure · 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 | F02M47/022 |
| Official title | {Mechanically actuated valves draining the chamber to release the closing pressure} |
| Display label | Mechanically actuated valves draining the chamber to release the closing pressure |
| Total patents | 12 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 1 |
| 2017 | 1 |
| 2018 | 1 |
| 2020 | 2 |
| 2021 | 2 |
| 2022 | 2 |
| 2023 | 1 |
| 2024 | 1 |
| 2025 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Fuel injector of an internal combustion engine and combustion engine
US-2024369032-A1 · Nov 7, 2024 · US
Flow control system
US-11643998-B2 · May 9, 2023 · US
A flow control system
US-2022364534-A1 · Nov 17, 2022 · US
Fuel injector having dry-running protection valve and fuel system using same
US-11280306-B1 · Mar 22, 2022 · US
Method for achieving final air gap and parallelism of a fuel injector control valve
US-11022081-B2 · Jun 1, 2021 · US
Fuel injection valve
US-2021131392-A1 · May 6, 2021 · US
Injection system of an internal combustion engine and automotive vehicle including such an injection system
US-10550808-B2 · Feb 4, 2020 · US
Method for achieving final air gap and parallelism of a fuel injector control valve
US-2020011278-A1 · Jan 9, 2020 · US
Fuel injector
US-9856841-B2 · Jan 2, 2018 · US
Injection system of an internal combustion engine and automotive vehicle including such an injection system
US-2017276112-A1 · Sep 28, 2017 · US
Fuel Injector
US-2015345454-A1 · Dec 3, 2015 · US