Abstract: A hydrostatic axial piston pump has adjustable swept volume and is configured for fluidic connection to a hydraulic motor of a hydrostatic propulsion drive in a hydraulic circuit. The hydrostatic axial piston pump includes an adjusting unit configured to adjust the swept volume. The adjusting unit has an actuating cylinder with a first actuating pressure chamber, in which a first actuating pressure can be set via a first pressure reducing valve. The first actuating pressure is dependent on a first current at a first electromagnet of the first pressure reducing valve. An electronic control device is configured to store a model of the first current in a manner which is dependent on a requested speed.

Abstract: A hydrostatic axial piston pump has adjustable swept volume and is configured for fluidic connection to a hydraulic motor of a hydrostatic propulsion drive in a hydraulic circuit. The hydrostatic axial piston pump includes an adjusting unit configured to adjust the swept volume. The adjusting unit has an actuating cylinder with a first actuating pressure chamber, in which a first actuating pressure can be set via a first pressure reducing valve. The first actuating pressure is dependent on a first current at a first electromagnet of the first pressure reducing valve. An electronic control device is configured to store a model of the first current in a manner which is dependent on a requested speed.

Abstract: For connection of pipelines which are subject to vibration, for example pipelines in vehicle exhaust systems, a liquid-tight decoupling element is used which includes a, e.g. multi-layer wound, metal hose and a tube accommodated in coaxial relationship inside or outside of the metal hose. A first axial fitting firmly secures one end of the tube. The tube is sized to protrude into a second axial fitting, regardless whether the metal hose is completely compressed or completely stretched, to allow movement of the tube in axial and torsional directions in relation to the second axial fitting.

Abstract: For connection of exhaust system pipe work, which is subject to vibration, a typical example of an application being in vehicle exhaust systems, a gas-tight decoupling element produced from stripwound hoses is used, which consists of two coaxially arranged, multi-layer stripwound metal hoses and axial edge elements. These elements form an annular cavity between the two stripwound hoses with a suitable pneumatic connection which is pressurized in the operating condition using ambient air or cleaned exhaust gas, the pressure being as high or higher than the dynamic pressure which is built up in the inside cylindrical exhaust system cavity as a result of exhaust gas flow.

Abstract: The invention relates to a metal tube arrangement (1) for exhaust pipes of motor vehicles, which typically includes an inner tube (10) with hook or interlock connection as well as a bellows-like an outer tube (20). The inner tube (10) and the outer tube (20) are hereby connected to one another at regular distances along their extension. In particular, they can be coupled to one another via a helically revolving roll seam weld (30). The outer tube (20) is preferably made of two layers from a wound metal strip (21).

Abstract: For connection of pipelines which are subject to vibration, for example pipelines in vehicle exhaust systems, a liquid-tight decoupling element is used which includes a, e.g. multi-layer wound, metal hose and a tube accommodated in coaxial relationship inside or outside of the metal hose. A first axial fitting firmly secures one end of the tube. The tube is sized to protrude into a second axial fitting, regardless whether the metal hose is completely compressed or completely stretched, to allow movement of the tube in axial and torsional directions in relation to the second axial fitting.

Abstract: The invention relates to a method for producing a pipe element (1) for pipes that are subject to vibrating stress, especially for exhaust pipes in motor vehicles. Said pipe element consists of a preprofiled strip (2; 3), especially a metal strip, that is wound in convolutions with bellow-shaped windings (4; 22). The wound layers produced by a strip width are interlinked in a single-hooked or multi-layer clasp-type bond (9; 19) by positive locking, welding or similar joining methods. The Strip (2; 3) is preprofiled with at least one stitch that is off-set from the plane by deflection into a kind of circuit with web heights (h1, h2) of the bellows (4; 22) that are multiples of the strip thickness.

Abstract: For connection of exhaust system pipe work, which is subject to vibration, a typical example of an application being in vehicle exhaust systems, a gas-tight decoupling element produced from stripwound hoses is used, which consists of two coaxially arranged, multi-layer stripwound metal hoses and axial edge elements. These elements form an annular cavity between the two stripwound hoses with a suitable pneumatic connection which is pressurized in the operating condition using ambient air or cleaned exhaust gas, the pressure being as high or higher than the dynamic pressure which is built up in the inside cylindrical exhaust system cavity as a result of exhaust gas flow.

Abstract: An adjustable temperature sensor control device wherein mercury in a well is displaced upwards in a capillary with one electrical contact within the well and another electrical contact positioned within the capillary. The displacement of the mercury is accomplished by rotating a knob which is screw thread connected to a stem. The stem moves within the well to displace mercury through the capillary.

Abstract: An FM demodulator and detector suitable for integration including a phase locked loop for locking to an FM signal and recovering the modulating signal and squelch circuitry coupled to the phase locked loop for gating out the recovered modulating signal. The phase locked loop includes an emitter coupled multivibrator whose phase shifted output is applied together with the FM signal to the squelch circuitry for quadrature phase detection, followed by filtering to derive an indication signal for controlling the gating of the recovered modulating signal.