Systems and methods for variable compression ratio phaser having a dual torsion spring arrangement
US-11970987-B2 · Apr 30, 2024 · US
by means of variable crankshaft position
by means of variable crankshaft position · 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 | F02B75/047 |
| Official title | {by means of variable crankshaft position} |
| Display label | by means of variable crankshaft position |
| Total patents | 54 |
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 | 2 |
| 2016 | 3 |
| 2017 | 7 |
| 2018 | 6 |
| 2019 | 6 |
| 2020 | 8 |
| 2021 | 9 |
| 2022 | 8 |
| 2023 | 4 |
| 2024 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Systems and Methods for Variable Compression Ratio Phaser Having a Dual Torsion Spring Arrangement
US-2023323825-A1 · Oct 12, 2023 · US
Control method and control device for internal combustion engine
US-11713726-B2 · Aug 1, 2023 · US
Systems and methods for variable compression ratio phaser
US-11674573-B2 · Jun 13, 2023 · US
Cranktrain phase adjuster for variable compression ratio
US-2023023207-A1 · Jan 26, 2023 · US
Cranktrain phase adjuster for variable compression ratio
US-11519342-B2 · Dec 6, 2022 · US
Cranktrain phase adjuster for variable compression ratio
US-11428173-B2 · Aug 30, 2022 · US
Cranktrain phase adjuster for variable compression ratio
US-2022252015-A1 · Aug 11, 2022 · US
Fastening structure
US-11384686-B2 · Jul 12, 2022 · US
Cranktrain phase adjuster for variable compression ratio
US-2022106916-A1 · Apr 7, 2022 · US
Torque-actuated variable compression ratio phaser
US-11280263-B2 · Mar 22, 2022 · US
Systems and Methods for Variable Compression Ratio Phaser
US-2022049759-A1 · Feb 17, 2022 · US
Control method and control device for internal combustion engine
US-2022003175-A1 · Jan 6, 2022 · US
Cranktrain phase adjuster for variable compression ratio
US-2021396174-A1 · Dec 23, 2021 · US
Torque-Actuated Variable Compression Ratio Phaser
US-2021340904-A1 · Nov 4, 2021 · US
Marine engine
US-11131254-B2 · Sep 28, 2021 · US
Engine assembly including a force splitter for varying compression ratio using an actuator
US-11131240-B1 · Sep 28, 2021 · US
Multilink cranktrains with combined eccentric shaft and camshaft drive system for internal combustion engines
US-11092090-B1 · Aug 17, 2021 · US
Variable compression ratio engine control strategy
US-11092089-B1 · Aug 17, 2021 · US
Control device for internal combustion engine
US-11073092-B2 · Jul 27, 2021 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F02B75/047?
- CPC F02B75/047 is the Cooperative Patent Classification code for “by means of variable crankshaft position.”
- How many patents are filed under CPC F02B75/047 (by means of variable crankshaft position)?
- Our database includes 54 publications tagged with this CPC code.
- Is patent activity under CPC F02B75/047 growing?
- Publication counts under this code: 4 in 2023 vs 1 in 2024 (latest complete years).