Abstract: A camshaft adjusting device of a drive, such as a motor vehicle drive, for example, for adjusting a phase position of a cam segment may include a camshaft and a phase shifter that is operatively connected to the camshaft. The camshaft may comprise a shaft segment including an inner shaft and an outer shaft at least partially surrounding the inner shaft. The camshaft adjusting device may further comprise a drive segment for driving the shaft segment and a cam segment that is connected in a form-fitting and/or force-fitting manner to the outer shaft. The phase shifter may comprise a rotor element and a stator element. A compensating element for compensating for part tolerances between the camshaft and the phase shifter can be disposed at least in sections between the rotor element and the drive segment.

Abstract: A braking method is used for a vehicle that has at least one front wheel and at least one rear wheel. A hydraulically actuatable brake is provided at the front wheel and the rear wheel, and an automatic parking brake is provided at the rear wheel. The braking method enables an optimal brake pressure to be built up as rapidly as possible. In a first step of an initiation phase of the braking method, the front wheel is braked by the hydraulically actuatable brakes and the rear wheel is braked exclusively by the automatic parking brake.

Abstract: A monitoring device for, and a method for examining a functional capability of, at least one subunit of a hydraulic braking system includes: ascertaining at least one pressure variable of a pressure prevailing in the hydraulic braking system, and comparing the ascertained pressure variable to a predefined comparative value range, at least if the ascertained pressure variable deviates from the predefined comparative value range, a pressure change variable with respect to a time change of the pressure variable being ascertained and the ascertained pressure change variable being compared to a predefined minimum change variable, and the functional capability being established in consideration of the comparison of the pressure variable to the predefined comparative value range, and, at least if the ascertained pressure variable deviates from the predefined comparative value range, in consideration of the comparison of the pressure change variable to the predefined minimum change variable.

Abstract: A valve control system may include an adjustable camshaft that includes an outer shaft and an inner shaft that extends through the outer shaft. The valve control system may further include a phase shifter that comprises a first control element and a second control element that can be rotated relative to the first control element. The outer shaft and the inner shaft may each be connected with a control element. The valve control system may also include a stop coupled with the outer shaft in a torque-proof manner, as well as a counter-stop coupled with the inner shaft in a torque-proof manner. A maximal angle of rotation of the inner shaft in the outer shaft may be determined by the stop bordering on the counter-stop.

Abstract: A brake system for a vehicle having a master brake cylinder, which provides a pressure signal, having a brake-medium reservoir connected to the master brake cylinder, and a first brake circuit, which is coupled by a first input to the master brake cylinder and by a second input to the brake-medium reservoir, and having at least one first wheel-brake cylinder, which is mounted at a first wheel, in order to exert a force corresponding to the pressure signal onto the first wheel, and having a separator valve, which is configured between the first input and the first wheel-brake cylinder, to prevent further transmission of the pressure signal upon receipt of a supplied closing signal; and having a control valve, which is configured between the first input and the first wheel-brake cylinder; in order to control an inflow of a brake medium from brake-medium reservoir to the first wheel-brake cylinder. In addition, a method for controlling a corresponding brake system is also described.

Abstract: An adjustable camshaft may include an outer shaft that is hollow and an inner shaft received in the outer shaft and rotatable in the outer shaft. The inner shaft may include a cavity into which oil can be applied. At least a first radial opening may be configured in the outer shaft and at least a second radial opening may be configured in the inner shaft. Thus oil can flow between the cavity and an outside of the outer shaft during overlap of the first radial opening and the second radial opening. The first radial opening on an inside of the outer shaft may have a greater cross-section than on the outside of the outer shaft.

Abstract: In a method for operating a braking system of a vehicle by limiting brake pressure buildup during an activation of a brake actuating element, the rear wheel outlet valves of the rear wheel brake cylinders, which are respectively associated with a rear wheel of the vehicle, are controlled, at least temporarily, into an open state during the activation of the brake actuating element, and the front wheel inlet valves of the front wheel brake cylinders, which are respectively associated with a front wheel of the vehicle, are controlled, at least temporarily, into a closed state during the control of the rear wheel outlet valves into the open state.

Abstract: The invention provides for a fully electrically rechargeable metal anode battery systems and methods of achieving such systems. An electrically rechargeable metal anode cell may comprise a metal electrode, an air contacting electrode, and an aqueous electrolyte separating the metal electrode and the air contacting electrode. In some embodiments, the metal electrode may directly contact the liquid electrolyte and no separator or porous membrane is needed between the air contacting electrode and the electrolyte. Rechargeable metal anode cells may be electrically connected to one another through a centrode connection where a metal electrode of one cell and an air contacting electrode of a second cell are electrically connected. Air tunnels or pathways may be provided between individual metal anode cells arranged in a stack. In some embodiments, an electrolyte flow management system may also be provided to maintain liquid electrolyte at constant levels during charge and discharge cycles.

Abstract: A camshaft for a valve drive of an internal combustion engine having a variable valve opening time may include an outer shaft and an inner shaft that extends through the outer shaft, with the inner shaft being held rotatably with respect to the outer shaft. The camshaft may further include a cam having a multiple-piece configuration, comprising a first part cam and a second part cam. Either the first part cam or the second part cam may be connected fixedly to the outer shaft so as to rotate with it, and the other part cam may be connected fixedly to the inner shaft so as to rotate with it. The camshaft may also include a bearing inner ring of a shaft bearing that is held on the outer shaft, with one of two second part cams comprising an axial attachment that forms at least one part of the bearing inner ring.

Abstract: A brake system for a vehicle having a master brake cylinder, which provides a pressure signal, having a brake-medium reservoir connected to the master brake cylinder, and a first brake circuit, which is coupled by a first input to the master brake cylinder and by a second input to the brake-medium reservoir, and having at least one first wheel brake cylinder, which is mounted at a first wheel, in order to exert a force corresponding to the pressure signal onto the first wheel, and having a separator valve, which is configured between the first input and the first wheel-brake cylinder, to prevent further transmission of the pressure signal upon receipt of a supplied closing signal; and having a control valve, which is configured between the first input and the first wheel-brake cylinder; in order to control an inflow of a brake medium from brake-medium reservoir to the first wheel-brake cylinder. In addition, a method for controlling a corresponding brake system is also described.

Abstract: The present invention relates to an adjustable camshaft for the valve gear of an internal combustion engine having an outer shaft, on which at least one first cam is arranged which is connected fixedly to said outer shaft so as to rotate with it, and having an inner shaft which extends through the outer shaft and to which at least one second cam is connected fixedly so as to rotate with it and is mounted rotatably on the outer shaft, and it being possible for oil to be conducted from a gap between the outer shaft and the inner shaft through an oil duct in the outer shaft into the region between the second cam and the outer shaft. According to the invention, the second cam is sealed at least partially against the outer shaft by means of at least one sealing element.

Abstract: A camshaft may have a bearing shaft configured as a hollow shaft in which an inner shaft is disposed concentrically relative to the bearing shaft. The inner shaft may be twistable relative to the bearing shaft. A first cam segment having a first recess for receiving the bearing shaft may be disposed on the bearing shaft, may be rotatable relative to the bearing shaft, and may be connected in a rotationally fixed and axially fixed manner to the inner shaft. A second cam segment having a second recess for receiving the bearing shaft may be disposed on the bearing shaft. The second cam segment may have at least two cam contours and may be fastened on the bearing shaft so that the second cam segment is rotationally fixed to the bearing shaft and arranged in an axially displaceable manner on the bearing shaft.

Abstract: A control device for a recuperative braking system of a vehicle includes: an actuating device configured to (i) select the maximum value of a front axle generator braking torque and of a rear axle generator braking torque, taking into account at least one provided default variable concerning a setpoint total braking torque which is predefined by a driver, (ii) control an electric motor, and (iii) control a hydraulic front axle brake circuit component and a hydraulic rear axle brake circuit component in such a way that a front axle brake pressure and a rear axle brake pressure are settable in such a way that a difference between a predefined setpoint braking torque distribution and an actual braking torque distribution present between the front axle and the rear axle is minimized.

Abstract: A method for dimensioning a component of a braking system; the braking system having at least two brake-circuit partial circuits; each brake-circuit partial circuit having at least one pump element for building up a brake-circuit pressure and/or for returning brake-circuit fluid in an ABS case, the pump elements of the at least two brake-circuit partial circuits being operable using a motor element; and the at least two brake-circuit partial circuits being separable using a separating element, so that different brake-circuit pressures may be created in the at least two brake-circuit partial circuits.

Abstract: An adjustable camshaft for a valve drive of an internal combustion engine may include an inner shaft extending through an outer shaft with a cam element disposed on the outer shaft. The cam element may be connected rotationally conjointly to the inner shaft. The cam element may have a shaft passage with an internal bearing surface, which, together with a bearing surface on an outer side of the outer shaft, forms a plain bearing arrangement for the rotatable arrangement of the cam element on the outer shaft. The bearing surface on the outer side of the outer shaft and/or the internal bearing surface of the shaft passage of the cam element may include one or more sections with a spherical shape.

Abstract: A control device for a brake system of a vehicle includes a valve control device, using which, while taking into account a provided information signal with respect to a currently exerted or to be exerted generator braking torque of a generator, at least one high-pressure switching valve of a brake circuit of the brake system is able to be controlled into an at least partially opened state such that a brake fluid volume is able to be displaced from a main brake cylinder of the brake system into a storage chamber of the brake circuit via the at least one high-pressure switching valve that has been controlled into the at least partially opened state. Furthermore, a method for operating a brake system of a vehicle is described.

Abstract: The present invention relates to a method for the production of a biopolymer, wherein the biopolymer has a defined average molecular weight, the method comprising lyophylizing a composition comprising the biopolymer with native high molecular weight, optionally purifying and/or isolating the biopolymer; wherein the temperature during the sublimation process is selected to facilitate a controlled and defined degradation of said biopolymer.

Abstract: A vehicle brake system and method for operating same, having a master brake cylinder, a brake medium reservoir, and a first brake circuit, connected via a reservoir line to the brake reservoir, having at least one first wheel brake cylinder, a first wheel inlet valve associated with the first brake cylinder, a first pump, by which a first brake medium volume is pumpable from the reservoir line through the open first wheel inlet valve into the first brake cylinder, a continuously adjustable first wheel outlet valve, by which a first brake medium displacement from the first cylinder into the brake reservoir is controllable, and a connecting line having a spring-loaded non-return valve, via which a delivery side of the first pump is connected to the brake reservoir, a brake medium displacement from the brake reservoir to the delivery side of the first pump being prevented by the spring-loaded non-return valve.

Abstract: A control device is described for a brake system of a vehicle, having a valve control device that is designed to determine, at least taking into account a provided information signal relating to a generator braking moment of a generator that is currently being exerted or is to be exerted, a first target state of a first valve of the brake system that is connected to a master brake cylinder of the brake system and to a fluid storage device of the brake system in such a way that a brake fluid volume can be displaced out of the master brake cylinder into the fluid storage device via the first valve, which is controlled into an at least partly open state, and to output a first control signal, corresponding to the first target state, to the first valve, the first target state being determinable, by the valve control device, for a valve connected via at least one intake line to a brake medium reservoir of the brake system as fluid storage device, as first valve.

Abstract: A brake system for a vehicle includes: a main brake cylinder with a floating piston able to be shifted at least partially into the main brake cylinder, and a brake medium storage device into which a specified storage volume of a brake medium is able to be transferred without counterpressure, the brake medium storage device being hydraulically connected via an electrically controllable first valve to the main brake cylinder in such a way that, in response to a shifting of the floating piston partially into the main brake cylinder by a shift travel that is below a shift travel limit corresponding to the storage volume, a brake medium volume less than the specified storage volume is transferred without counterpressure from the main brake cylinder into the brake medium storage device.