Patents by Inventor Alfred Strehle

Alfred Strehle has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Publication number: 20030214183
    Abstract: A method and a device for controlling at least one valve of a brake circuit using an electrical control variable, in which
    Type: Application
    Filed: March 12, 2003
    Publication date: November 20, 2003
    Inventors: Juergen Breitenbacher, Andreas Klug, Alfred Strehle
  • Patent number: 6102492
    Abstract: The invention relates to a method and device for controlling braking force distribution in a motor vehicle. In the case of failure of the braking system, the braking force distribution regulator enters emergency mode. The regulation is activated when the speed and the deceleration of the vehicle exceed given minimum values. The invention also concerns emergency measures for regulating the braking force distribution in the case of the certain individual errors.
    Type: Grant
    Filed: October 5, 1998
    Date of Patent: August 15, 2000
    Assignee: Robert Bosch GmbH
    Inventors: Stefan Diehle, Alfred Strehle
  • Patent number: 5975650
    Abstract: For the distribution of the braking force between the front and rear axles, pressure is released in the rear-axle brakes when a predefined speed difference between a front wheel and a rear wheel is exceeded.
    Type: Grant
    Filed: October 9, 1996
    Date of Patent: November 2, 1999
    Assignee: Robert Bosch GmbH
    Inventors: Thomas Meier, Norbert Dressler, Alfred Strehle
  • Patent number: 5662388
    Abstract: In a method and device for identifying a pressure variable, in particular in a brake system, the pressure difference is estimated on the basis of a pressure gradient and the actuation duration of a solenoid valve.
    Type: Grant
    Filed: October 23, 1995
    Date of Patent: September 2, 1997
    Assignee: Robert Bosch GmbH
    Inventors: Gebhard Wuerth, Helmut Wiss, Alfred Strehle
  • Patent number: 5631836
    Abstract: Wheel speeds on each side of the vehicle are added, and the sums are subtracted to form a difference VXU which is time filtered to produce a filtered difference VXG. As long as VXU does not exceed VXG by more than a speed dependent threshold, a signal indicating straight line travel is produced. This signal can be cancelled when VXG exceeds a vehicle dependent threshold and is also blocked when the vehicle speed falls below a minimum, when the ABS is operating, or when the vehicle is decelerating. The signal indicating straight line travel accounts for tire tolerance and can be used to control vehicle dynamics, for example by preventing an increase in brake pressure or engine braking when the vehicle is travelling in a curve.
    Type: Grant
    Filed: November 29, 1994
    Date of Patent: May 20, 1997
    Assignee: Robert Bosch GmbH
    Inventors: Rudiger Poggenburg, Eberhard Sonntag, Thomas Meier, Alfred Strehle
  • Patent number: 5415469
    Abstract: A vehicle brake system is described in which a lower brake pressure is fed in at the rear axle compared with the brake pressure of the front wheels. For the purpose of feeding in this brake pressure, the difference VD between the fastest front wheel speed and the slowest rear wheel speed is formed and compared with a threshold value which depends on the vehicle deceleration. An increase in pressure is undertaken until the threshold value is reached. The threshold value is, furthermore, larger in the case of travel in a straight line than it is in the case of travel in a curve.
    Type: Grant
    Filed: July 14, 1994
    Date of Patent: May 16, 1995
    Assignee: Robert Bosch GmbH
    Inventors: Rudiger Poggenburg, Eberhard Sonntag, Thomas Meier, Alfred Strehle