Actuating device for brakes of a vehicle, preferably a motor vehicle
First Claim
1. An actuating device for a brake system of a vehicle, wherein the brake system comprises brakes for the vehicle wheels and a control unit connected to the brakes for sending control signals to the brakes, wherein the brakes are supplied via brake lines with a pressure medium and have wheel sensors connected to the control unit, wherein the wheel sensors determine a rotational velocity of the vehicle wheels during braking and send a signal related to the rotational velocity to the control unit, said actuating device comprising:
- a housing;
at least one piston slide positioned in said housing for loading the brakes with the pressure medium;
at least one piezoelectric element positioned in said housing for actuating said at least one piston slide;
said at least one piezoelectric element adapted to be connected to the control unit of the brake system;
a transmission member connected between said piezoelectric element and said piston slide;
a biasing element acting on said piston slide so as to force said piston slide in a biasing direction toward said transmission member.
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0 Petitions
Accused Products
Abstract
An actuating device for a brake system of a vehicle a housing and at least one piston slide positioned in the housing for loading the brakes with a pressure medium. The brake system has brakes for the vehicle wheels and a control unit connected to the brakes for sending control signals to the brakes. The brakes are supplied via brake lines with the pressure medium and have wheel sensors connected to the control unit. The wheel sensors determine the rotational velocity of the vehicle wheels during a braking operation and send a signal related to the rotational velocity to the control unit. At least one piezoelectric element is positioned in the housing of the actuating device for actuating the at least one piston slide. The at least one piezoelectric element is connected to the control unit of the brake system.
35 Citations
30 Claims
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1. An actuating device for a brake system of a vehicle, wherein the brake system comprises brakes for the vehicle wheels and a control unit connected to the brakes for sending control signals to the brakes, wherein the brakes are supplied via brake lines with a pressure medium and have wheel sensors connected to the control unit, wherein the wheel sensors determine a rotational velocity of the vehicle wheels during braking and send a signal related to the rotational velocity to the control unit, said actuating device comprising:
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a housing; at least one piston slide positioned in said housing for loading the brakes with the pressure medium; at least one piezoelectric element positioned in said housing for actuating said at least one piston slide; said at least one piezoelectric element adapted to be connected to the control unit of the brake system; a transmission member connected between said piezoelectric element and said piston slide; a biasing element acting on said piston slide so as to force said piston slide in a biasing direction toward said transmission member. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 12, 13, 16)
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9. An actuating device for a brake system of a vehicle, wherein the brake system comprises brakes for the vehicle wheels and a control unit connected to the brakes for sending control signals to the brakes, wherein the brakes are supplied via brake lines with a pressure medium and have wheel sensors connected to the control unit, wherein the wheel sensors determine a rotational velocity of the vehicle wheels during braking and send a signal related to the rotational velocity to the control unit, said actuating device comprising:
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a housing; at least one piston slide positioned in said housing for loading the brakes with the pressure medium; at least one piezoelectric element positioned in said housing for actuating said at least one piston slide; said at least one piezoelectric element adapted to be connected to the control unit of the brake system; wherein said piezoelectric element and said piston slide extend parallel to one another. - View Dependent Claims (10, 11, 14, 15)
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17. An actuating device for a brake system of a vehicle, wherein the brake system comprises brakes for the vehicle wheels and a control unit connected to the brakes for sending control signals to the brakes, wherein the brakes are supplied via brake lines with a pressure medium and have wheel sensors connected to the control unit, wherein the wheel sensors determine a rotational velocity of the vehicle wheels during braking and send a signal related to the rotational velocity to the control unit, said actuating device comprising:
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a housing; at least one piston slide positioned in said housing for loading the brakes with the pressure medium; at least one piezoelectric element positioned in said housing for actuating said at least one piston slide; said at least one piezoelectric element adapted to be connected to the control unit of the brake system; a transmission member connected between said at least one piezoelectric element and said at least one piston slide, wherein said transmission member is a pivot lever. - View Dependent Claims (18, 19, 20, 21, 22, 23, 24, 25)
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26. An actuating device for a brake system of a vehicle, wherein the brake system comprises brakes for the vehicle wheels and a control unit connected to the brakes for sending control signals to the brakes, wherein the brakes are supplied via brake lines with a pressure medium and have wheel sensors connected to the control unit, wherein the wheel sensors determine a rotational velocity of the vehicle wheels during braking and send a signal related to the rotational velocity to the control unit, said actuating device comprising:
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a housing; at least one piston slide positioned in said housing for loading the brakes with the pressure medium; at least one piezoelectric element positioned in said housing for actuating said at least one piston slide; said at least one piezoelectric element adapted to be connected to the control unit of the brake system; wherein said piezoelectric element and said piston slide are components of a ready-to-mount module; wherein said ready-to-mount module is adapted to be mounted on a main braking cylinder. - View Dependent Claims (27, 28, 29)
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30. An actuating device for a brake system of a vehicle, wherein the brake system comprises brakes for the vehicle wheels and a control unit connected to the brakes for sending control signals to the brakes, wherein the brakes are supplied via brake lines with a pressure medium and have wheel sensors connected to the control unit, wherein the wheel sensors determine a rotational velocity of the vehicle wheels during braking and send a signal related to the rotational velocity to the control unit, said actuating device comprising:
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a housing; at least one piston slide positioned in said housing for loading the brakes with the pressure medium; at least one piezoelectric element positioned in said housing for actuating said at least one piston slide, wherein said at least one piezoelectric element is adapted to be connected to the control unit of the brake system; an actuating electronic member positioned within said housing for activating said piezoelectric element, wherein said electronic member and said piezoelectric element are positioned at opposite sides of said piston slide within said housing.
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Specification