CPC Subgroup Additional Only
F16D 2500/506 Relating the transmission
Full Title
External control of clutches by electric or electronic means > Problem to be solved by the control system > Relating the transmission
12 direct subcodes
Child Classifications
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- F16D 2500/50607 Facilitating engagement of a dog clutches, e.g. preventing of gear butting
- F16D 2500/50615 Facilitating disengagement of a dog clutch, e.g. by applying a pretension on the disengaging elements
- F16D 2500/50623 Preventing transmission load change
- F16D 2500/5063 Shaft dither, i.e. applying a pulsating torque to a (transmission) shaft to create a buzz or dither, e.g. to prevent tooth butting or gear locking
- F16D 2500/50638 Shaft speed synchronising, e.g. using engine, clutch outside transmission
- F16D 2500/50646 Control of the main clutch to prevent or release a tooth-to-tooth condition in the transmission
- F16D 2500/50653 Gearing shifting without the interruption of drive
- F16D 2500/50661 Limit transmission input torque
- F16D 2500/50669 Neutral control, i.e. preventing creep or drag torque being transmitted in a transmission with a torque converter when the vehicle is stationary
- F16D 2500/50676 Optimising drive-train operating point, e.g. selecting gear ratio giving maximum fuel economy, best performance
- F16D 2500/50684 Torque resume after shifting
- F16D 2500/50692 Simulate the characteristics of a torque converter
Top Applicants
Top 10 applicants by patent filingsfor class F16, 2013–2023, worldwide · Source: EPO PATSTAT
- SCHAEFFLER TECHNOLOGIES & COMPANY DE 22,817
- ZAHNRADFABRIK FRIEDRICHSHAFEN DE 10,523
- HYUNDAI MOTOR COMPANY KR 7,933
- ROBERT BOSCH DE 7,059
- KIA MOTORS CORPORATION KR 4,867
- SKF SE 4,729
- TOYOTA MOTOR CORPORATION JP 4,111
- FORD GLOBAL TECHNOLOGIES US 3,838
- GM GLOBAL TECHNOLOGY OPERATIONS US 3,575
- TOYOTA MOTOR CORPORATION 3,499