Parking brake for a motor vehicle
AssigneeZF Friedrichshafen AG
InventorsFriedrich Saibold, Stefan Reicheneder
Life of this patent
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AssigneeZF Friedrichshafen AG
InventorsFriedrich Saibold, Stefan Reicheneder
Estimating the term…
A parking brake for a motor vehicle comprises a disk packet (12) on an axle body in a brake housing (1) with at least one brake disk, one spring (8), by way of which the closure of the brake is effected by compression of the disk packet and a piston (7), superimposed on the spring. A compression space (6) of which piston can be subjected to hydraulic pressure for releasing the parking brake counter to the engaging force of the spring. The force of the piston is transferred by at least one pressure pin (4) onto a pressure transmission element (2). The element communicates with the disk packet and the pressure pin is located within the pressure space of the piston such that no connection exists between the pressure pin and an axle space (11) such that leakage of hydraulic fluid out of the compression space into the axle space is prevented.
1-5. (canceled)
A parking brake for a motor vehicle, the parking brake comprising a disk packet, on an axle body in a brake housing (1), having at least one brake disk, one spring by which the disk packet being compressible to engage the brake, and a piston to counter the spring, a pressure space is subjected to pressure for releasing the parking brake against a force of the spring, the piston is connected to at least one pressure pin which is in operative communication with a pressure transmission element, the pressure pin (4) is placed within the pressure space (6) of the piston (7) in such a manner that no connection between the pressure pin (4) and the axle space (11) can exist, thus preventing leakage of hydraulic fluid out of the pressure space (6) into the axle space (11).
Dependencies are inferred from the claim text.