US 11,752,865 B1
Off-road clutch control
Guopeng Hu, Northville, MI (US); Ashok Eugene Rodrigues, Farmington Hills, MI (US); Zhengyu Dai, Canton, MI (US); and Peter James Barrette, Jupiter, FL (US)
Assigned to Ford Global Technologies, LLC, Dearborn, MI (US)
Filed by FORD GLOBAL TECHNOLOGIES, LLC, Dearborn, MI (US)
Filed on Nov. 16, 2022, as Appl. No. 17/988,353.
Int. Cl. B60K 23/08 (2006.01)
CPC B60K 23/0808 (2013.01) [B60K 2023/0841 (2013.01); B60K 2023/0858 (2013.01); B60W 2510/0291 (2013.01); B60W 2555/00 (2020.02); B60W 2710/029 (2013.01); B60W 2710/0677 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A vehicle comprising:
an engine;
a primary axle drivably connected to the engine;
a secondary axle drivably connected to the engine by a clutch; and
a controller programmed to:
in response to map data indicating that the vehicle is off-road, enable an off-road transfer torque control mode in which temperatures of the clutch are compared to a lower threshold, and, in response to the temperature of the clutch exceeding the lower threshold, display a message to a driver indicative of rising temperatures of the clutch, and
in response to a temperature of the clutch exceeding an upper limit, enable a power limiting mode in which torque of the engine is limited to a predefined value.