Throttle control systems and methods for cylinder activation and deactivation
US-9803573-B2 · Oct 31, 2017 · US
by keeping a torque reserve, i.e. with temporarily reduced drive train or engine efficiency
by keeping a torque reserve, i.e. with temporarily reduced drive train or engine efficiency · 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 | F02D2250/22 |
| Official title | by keeping a torque reserve, i.e. with temporarily reduced drive train or engine efficiency |
| Display label | by keeping a torque reserve, i.e. with temporarily reduced drive train or engine efficiency |
| Total patents | 146 |
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 | 22 |
| 2016 | 24 |
| 2017 | 18 |
| 2018 | 15 |
| 2019 | 20 |
| 2020 | 16 |
| 2021 | 11 |
| 2022 | 6 |
| 2023 | 4 |
| 2024 | 6 |
| 2025 | 3 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Method and device for operating a vehicle
US-9796387-B2 · Oct 24, 2017 · US
Hybrid Work Machine
US-2017274755-A1 · Sep 28, 2017 · US
Two-step valvetrain preposition control strategy
US-9765705-B2 · Sep 19, 2017 · US
Method and system for providing torque-assist
US-2017259807-A1 · Sep 14, 2017 · US
System and method for controlling spark timing based on a duration of a fuel burn within a cylinder in an engine
US-9759177-B2 · Sep 12, 2017 · US
Controller and internal combustion engine system
US-2017191460-A1 · Jul 6, 2017 · US
Engine control systems and methods
US-9683508-B2 · Jun 20, 2017 · US
Control device for internal combustion engine
US-9650979-B2 · May 16, 2017 · US
Method for pre-ignition control
US-2017082081-A1 · Mar 23, 2017 · US
Model predictive control systems and methods for internal combustion engines
US-9599053-B2 · Mar 21, 2017 · US
Method for operating an engine of a machine
US-2017030280-A1 · Feb 2, 2017 · US
Estimation systems and methods with model predictive control
US-9541019-B2 · Jan 10, 2017 · US
Method for pre-ignition control
US-9541014-B2 · Jan 10, 2017 · US
Method for operating a combustion engine in order to prevent excessive switching between at least two modes of operation
US-9523314-B2 · Dec 20, 2016 · US
Lean Mode During Idling For Reduction Of The Number Of Particles
US-2016348599-A1 · Dec 1, 2016 · US
Assembly comprising a heat engine and an electrical compressor
US-2016348632-A1 · Dec 1, 2016 · US
Automated driving system of vehicle
US-2016320776-A1 · Nov 3, 2016 · US
Methods and systems for efficient engine torque control
US-2016319758-A1 · Nov 3, 2016 · US
Torque modulation for internal combustion engine
US-2016305349-A1 · Oct 20, 2016 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F02D2250/22?
- CPC F02D2250/22 is the Cooperative Patent Classification code for “by keeping a torque reserve, i.e. with temporarily reduced drive train or engine efficiency.”
- How many patents are filed under CPC F02D2250/22 (by keeping a torque reserve, i.e. with temporarily reduced drive train or engine efficiency)?
- Our database includes 146 publications tagged with this CPC code.
- Is patent activity under CPC F02D2250/22 growing?
- Publication counts under this code: 6 in 2024 vs 3 in 2025 (latest complete years).