Systems and methods for fuel vapor canister purge
US-9822719-B2 · Nov 21, 2017 · US
Controlling the combustible mixture as a function of the canister purging, e.g. control of injected fuel to compensate for deviation of air fuel ratio when purging
Controlling the combustible mixture as a function of the canister purging, e.g. control of injected fuel to compensate for deviation of air fuel ratio when purging · 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 | F02D41/0042 |
| Official title | {Controlling the combustible mixture as a function of the canister purging, e.g. control of injected fuel to compensate for deviation of air fuel ratio when purging} |
| Display label | Controlling the combustible mixture as a function of the canister purging, e.g. control of injected fuel to compensate for deviation of air fuel ratio when purging |
| Total patents | 263 |
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 | 12 |
| 2016 | 23 |
| 2017 | 38 |
| 2018 | 26 |
| 2019 | 40 |
| 2020 | 56 |
| 2021 | 38 |
| 2022 | 19 |
| 2023 | 5 |
| 2024 | 6 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Fuel vapor purging diagnostics for a multi-path purge ejector system
US-2017314512-A1 · Nov 2, 2017 · US
Method and system for fuel vapor management
US-9797322-B2 · Oct 24, 2017 · US
Controller for internal combustion engine
US-9784222-B2 · Oct 10, 2017 · US
Method for preventing engine stall
US-9784193-B2 · Oct 10, 2017 · US
Vaporized fuel processing apparatus
US-2017282706-A1 · Oct 5, 2017 · US
Engine control device
US-2017276078-A1 · Sep 28, 2017 · US
Methods and systems for engine fuel and torque control
US-2017268447-A1 · Sep 21, 2017 · US
Method for air/fuel imbalance detection
US-9752517-B2 · Sep 5, 2017 · US
System and methods for cold starting an internal combustion engine
US-9752521-B2 · Sep 5, 2017 · US
Systems and methods for limited emissions refueling
US-2017218885-A1 · Aug 3, 2017 · US
Fuel supply system for an internal combustion engine
US-9702321-B2 · Jul 11, 2017 · US
Fuel evaporative emission control device
US-2017184058-A1 · Jun 29, 2017 · US
Canister purge valve system
US-9683525-B2 · Jun 20, 2017 · US
Method for preventing engine stall
US-2017167444-A1 · Jun 15, 2017 · US
Fuel vapor processing apparatus
US-2017167413-A1 · Jun 15, 2017 · US
Fuel Vapor Flow Estimation Systems And Methods
US-2017152802-A1 · Jun 1, 2017 · US
Methods and systems for an intake oxygen sensor
US-9664133-B2 · May 30, 2017 · US
Method for air/fuel imbalance detection
US-2017122227-A1 · May 4, 2017 · US
Control apparatus for an engine
US-9617943-B2 · Apr 11, 2017 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F02D41/0042?
- CPC F02D41/0042 is the Cooperative Patent Classification code for “Controlling the combustible mixture as a function of the canister purging, e.g. control of injected fuel to compensate for deviation of air fuel ratio when purging.”
- How many patents are filed under CPC F02D41/0042 (Controlling the combustible mixture as a function of the canister purging, e.g. control of injected fuel to compensate for deviation of air fuel ratio when purging)?
- Our database includes 263 publications tagged with this CPC code.
- Is patent activity under CPC F02D41/0042 growing?
- Publication counts under this code: 5 in 2023 vs 6 in 2024 (latest complete years).