Patents by Inventor Jaroslav Kolar

Jaroslav Kolar 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).

  • Vacuum brake booster for a vehicle braking system
    Patent number: 11084476
    Abstract: A vacuum brake booster includes: at least one movable wall, which separates a working chamber and a vacuum chamber in the vacuum brake booster from one another, and a control valve unit, which is coupled to the at least one movable wall, the control valve unit comprising a guide sleeve and an actuation piston guided displaceably in the control valve unit, which actuation piston is actuatable by way of a force input member which can be coupled in particular to a brake pedal, the actuation piston having at least one first valve seat, which in the open state is used to connect the working chamber to the ambient atmosphere.
    Type: Grant
    Filed: February 12, 2019
    Date of Patent: August 10, 2021
    Assignee: ZF Active Safety GmbH
    Inventor: Jaroslav Kolar
  • VACUUM BRAKE BOOSTER FOR A VEHICLE BRAKING SYSTEM
    Publication number: 20200406876
    Abstract: A vacuum brake booster includes: at least one movable wall, which separates a working chamber and a vacuum chamber in the vacuum brake booster from one another, and a control valve unit, which is coupled to the at least one movable wall, the control valve unit comprising a guide sleeve and an actuation piston guided displaceably in the control valve unit, which actuation piston is actuatable by way of a force input member which can be coupled in particular to a brake pedal, the actuation piston having at least one first valve seat, which in the open state is used to connect the working chamber to the ambient atmosphere.
    Type: Application
    Filed: February 12, 2019
    Publication date: December 31, 2020
    Applicant: ZF Active Safety GmbH
    Inventor: Jaroslav Kolar