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Brake pressure control method and apparatus, including a brake pressure booster

Image Number 3 for United States Patent #5427442.

In a motor vehicle brake system, a force increase gradient (Fv ped) at the brake pedal is determined and, in response thereto, the brake pressure is boosted in a manner which provides for successively associating respective threshold values (Fv max) with respective instantaneous force increase gradients (Fv ped) at the brake pedal during a braking operation. The instantaneous actual value of the force increase gradient (Fv ped) is compared with the respective threshold value (Fv max), and the brake pressure booster is controlled in response to the result of this comparison.

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