Method for determining a likely internal pressure for a master brake cylinder and device for determining a likely internal pressure for a master brake cylinder

A device for determining a likely internal pressure for a master brake cylinder, comprising:

• an electronic device to determine and make available the likely internal pressure of the master brake cylinder, taking into account:
• at least one provided, estimated or measured first variable with respect to a displacement path(s) of a brake input element on a master brake cylinder of a braking system from the initial position thereof,
• at least one provided, estimated or measured second variable with respect to a first hydraulic fluid volumetric flow of a hydraulic fluid of the braking system out of or into a first pressure chamber of the master brake cylinder, and
• at least one provided, estimated or measured third variable with respect to a second hydraulic fluid volumetric flow of the hydraulic fluid out of or into a second pressure chamber of the master brake cylinder;
• and
• an electronic device to control at least one braking system component based on the determined likely internal pressure for the master brake cylinder.

An electromechanical brake booster, comprising:

• a device for determining a likely internal pressure for a master brake cylinder, including:
• an electronic device to determine and make available the likely internal pressure of the master brake cylinder, taking into account:
• at least one provided, estimated or measured first variable with respect to a displacement path(s) of a brake input element on a master brake cylinder of a braking system from the initial position thereof,
• at least one provided, estimated or measured second variable with respect to a first hydraulic fluid volumetric flow of a hydraulic fluid of the braking system out of or into a first pressure chamber of the master brake cylinder, and
• at least one provided, estimated or measured third variable with respect to a second hydraulic fluid volumetric flow of the hydraulic fluid out of or into a second pressure chamber of the master brake cylinder.

An electronic stability program (ESP) controller, comprising:

• a device for determining a likely internal pressure for a master brake cylinder, including:
• an electronic device to determine and make available the likely internal pressure of the master brake cylinder, taking into account:
• at least one provided, estimated or measured first variable with respect to a displacement path(s) of a brake input element on a master brake cylinder of a braking system from the initial position thereof,
• at least one provided, estimated or measured second variable with respect to a first hydraulic fluid volumetric flow of a hydraulic fluid of the braking system out of or into a first pressure chamber of the master brake cylinder, and
• at least one provided, estimated or measured third variable with respect to a second hydraulic fluid volumetric flow of the hydraulic fluid out of or into a second pressure chamber of the master brake cylinder.

A braking system for a motor vehicle, comprising:

• at least one of an arrangement, an electromechanical brake booster, or and an electronic stability program (ESP) controller;
• wherein each includes a device for determining a likely internal pressure for a master brake cylinder, the device including:
• an electronic device to determine and make available the likely internal pressure of the master brake cylinder, taking into account:
• at least one provided, estimated or measured first variable with respect to a displacement path(s) of a brake input element on a master brake cylinder of a braking system from the initial position thereof,
• at least one provided, estimated or measured second variable with respect to a first hydraulic fluid volumetric flow of a hydraulic fluid of the braking system out of or into a first pressure chamber of the master brake cylinder, and
• at least one provided, estimated or measured third variable with respect to a second hydraulic fluid volumetric flow of the hydraulic fluid out of or into a second pressure chamber of the master brake cylinder.