Abstract: The invention relates to an aluminium composite material having at least one core layer of an aluminium core alloy and at least one corrosion protection layer arranged on the core layer. The aluminium composite material has improved corrosion resistance, in particular avoids coarse detachments under corrosive conditions, through use of a corrosion protection layer with the following composition in wt %: Si?0.10%, Fe?0.6%, Cu?0.2%, 0.9%?Mn?1.2%, Mg?0.10%, Cr?0.3%, Zn?0.1%, Ti?0.1%, the rest Al and unavoidable impurities, individually at most 0.05%, in total at most 0.15%. The invention furthermore relates to a method for producing an aluminium composite material, a use as well as a heat exchanger or a component of a heat exchanger.

Abstract: Provided is a heat exchanger, in particular for motor vehicles, with at least one exchanger tube of an aluminium alloy and with at least one component connected fluidically to the exchanger tube, wherein the exchanger tube and the component (14, 16) are connected to one another by way of a common soldered connection and wherein the component connected to the exchanger tube has a core layer of an aluminium alloy with the following composition: Si: max. 0.7% by weight, Fe: max. 0.70% by weight, Cu: max. 0.10% by weight, Mn: 0.9-1.5% by weight, Mg: max. 0.3% by weight, Cr: max. 0.25% by weight, Zn: max. 0.50% by weight, Ti: max. 0.25% by weight, Zr: max. 0.25% by weight, unavoidable impurities individually max. 0.05% by weight, altogether max. 0.15% by weight, the remainder aluminium.

Abstract: The invention relates to a vacuum-assisted brake-force booster for a motor-vehicle braking system with: a force-input member which is capable of being coupled with a brake pedal, a control-valve device which is capable of being actuated in accordance with a displacement of the force-input member, a tandem chamber arrangement with a first and a second working chamber and with a first and a second vacuum chamber and with a force-output member for delivering an actuating force to a master-brake-cylinder arrangement, wherein the first working chamber and the first vacuum chamber are separated from one another via a first movable wall, and the second working chamber and the second vacuum chamber are separated from one another via a second movable wall and in each instance are optionally capable of being connected to one another via the control-valve device and wherein at least one pneumatic connecting element is provided, via which the first working chamber is permanently connected to the second working chamb

Abstract: The invention relates to a master brake cylinder arrangement of a motor vehicle brake system with a master brake cylinder housing, a transmission piston disposed in a displaceable manner in the master brake cylinder housing, and a force input member which can be workingly coupled to the transmission piston in order to introduce a braking force. According to the invention, in order to simplify assembly and to reduce the required construction space, an adapter is coupled to the master brake cylinder housing, to which adapter a contact sleeve is fitted, the force input member being supported at the contact sleeve in a non-actuated starting position.

Abstract: A brake-force booster for a motor-vehicle braking system has a booster housing, with a force-input member which is capable of being coupled to a brake pedal and which can be inserted into the booster housing against the action of a return spring, with a force-output member which is capable of being coupled to a brake cylinder, with a chamber arrangement with a working chamber and a vacuum chamber, which are separated by a movable wall, with a control-valve arrangement arranged between the force-input member and the force-output member, wherein the control-valve arrangement exhibits a first valve seat for optional connecting of the working chamber to external atmosphere, and a second valve seat for optional connecting of the working chamber to the vacuum chamber.

Abstract: The present invention relates to a vacuum brake booster for a motor vehicle brake system, having a force input element that is connectable or connected to a brake pedal, a chamber arrangement comprising a vacuum chamber and a working chamber that are separated from one another by a movable wall, a control valve with a valve element for selectively connecting and separating vacuum chamber and working chamber, and a force output element for transmitting an output force to a master cylinder, wherein the force input element is workingly connectable or connected to a transmission piston arrangement disposed in the control valve, wherein the control valve is settable in accordance with a displacement of the transmission piston arrangement along a longitudinal axis by means of the force input element. In this case, it is provided that the transmission piston arrangement is provided with at least one pressure compensation channel, by means of which a pressure compensation is effected at the valve element.

Abstract: The invention relates to a vacuum-assisted brake-force booster for a motor-vehicle braking system with: a force-input member which is capable of being coupled with a brake pedal, a control-valve device which is capable of being actuated in accordance with a displacement of the force-input member, a tandem chamber arrangement with a first and a second working chamber and with a first and a second vacuum chamber and with a force-output member for delivering an actuating force to a master-brake-cylinder arrangement, wherein the first working chamber and the first vacuum chamber are separated from one another via a first movable wall, and the second working chamber and the second vacuum chamber are separated from one another via a second movable wall and in each instance are optionally capable of being connected to one another via the control-valve device and wherein at least one pneumatic connecting element is provided, via which the first working chamber is permanently connected to the second working chamb

Abstract: The invention relates to a brake force generating device for a hydraulic vehicle brake system with a force input member, which can be or is coupled to a brake pedal, a master cylinder arrangement for generating a hydraulic brake pressure, a chamber arrangement, in which a working chamber is separated from a vacuum chamber via a movable wall, a control valve device with a control valve housing for optional connection of the vacuum chamber to the working chamber or of the working chamber to the atmosphere and an electrically triggerable actuating device for actuating the control valve device, which is positioned as floating in the control valve housing. According to the invention it is provided that the control valve device has a first seal seat and a second seal seat, the seal seats being arranged on opposite sides of the actuating device in respect of the longitudinal axis.

Abstract: The invention relates to a master brake cylinder arrangement of a motor vehicle brake system with a master brake cylinder housing, a transmission piston disposed in a displaceable manner in the master brake cylinder housing, and a force input member which can be workingly coupled to the transmission piston in order to introduce a braking force. According to the invention, in order to simplify assembly and to reduce the required construction space, an adapter is coupled to the master brake cylinder housing, to which adapter a contact sleeve is fitted, the force input member being supported at the contact sleeve in a non-actuated starting position.