F02B 2023/106
Tumble flow, i.e. the axis of rotation of the main charge flow
Official title: {Tumble flow, i.e. the axis of rotation of the main charge flow motion is horizontal}
F02B2023/106 (Tumble flow, i.e. the axis of rotation of the main charge flow) appears on 232 US grants and 178 published applications in this corpus.
Search patents in F02B- Granted patents
- 232
- Published applications
- 178
- Assignees
- 57
- Inventors
- 482
- Latest grant
- 18 Mar 2025
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| Year | Granted patents | Published applications |
|---|---|---|
| 1991 | 3 | 0 |
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| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 13 | 0 |
| 1999 | 16 | 0 |
| 2000 | 16 | 0 |
| 2001 | 10 | 4 |
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| 2003 | 17 | 8 |
| 2004 | 14 | 6 |
| 2005 | 7 | 7 |
| 2006 | 5 | 7 |
| 2007 | 4 | 3 |
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| 2020 | 11 | 15 |
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| 2023 | 8 | 9 |
| 2024 | 2 | 4 |
| 2025 | 2 | 1 |
| 2026 | 0 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Internal combustion engine for gaseous fuel18 Mar 2025US 12,253,046 B2Volvo Truck Corporation
- Prechamber spark plug for an internal combustion engine and internal combustion engine4 Mar 2025US 12,241,402 B2Mercedes-Benz Group AG
- Hydrogen intake assembly for a hydrogen internal combustion engine3 Sep 2024US 12,078,099 B2Volvo Truck Corporation
- Prechamber spark plug having an optimized cap, and internal combustion engine9 Jul 2024US 12,031,474 B2Robert Bosch GmbH
- Internal combustion engine for a motor vehicle, in particular for a car12 Dec 2023US 11,840,955 B2Mercedes-Benz Group AG
- Gaseous fuel combustion system and method utilizing a piston reentrant feature for hastened fuel-air mixing16 Jul 2026US 2026/0201829 A1Caterpillar Inc.
- Diagnostic method and diagnostic device for gas flow control valve of internal combustion engine12 Mar 2026US 2026/0071585 A1
- Method for Operating an Internal Combustion Engine, Internal Combustion Engine and Control Device17 Jul 2025US 2025/0230765 A1Keyou GmbH
- Prechamber Spark Plug for an Internal Combustion Engine and Internal Combustion Engine7 Nov 2024US 2024/0369011 A1Mercedes-Benz Group AG
- A piston for a lean-burn gasoline engine23 May 2024US 2024/0167431 A1Jaguar Land Rover Limited
Most cited
By later US patents
- Optimized fuel management system for direct injection ethanol enhancement of gasoline engines129US 7,225,787 B2Massachusetts Institute of Technology · 2007
- In-cylinder direct-injection spark-ignition engine98US 6,138,639 ANissan Motor Co., Ltd. · 2000
- Cylinder injection engine and fuel injection nozzle used for the engine61US 6,722,340 B1Hitachi, Ltd. · 2004
- Direct injection gasoline engine with stratified charge combustion and homogeneous charge combustion60US 6,092,501 ANissan Motor Co., Ltd. · 2000
- Direct-injection spark ignition engine58US 6,672,277 B2Mazda Motor Corporation · 2004