Abstract:
The invention relates to a motor-pump module comprising a displacement pump that is driven by an electric motor and encompasses a pump housing. The invention is characterized in that a first face of the electric motor is mounted in a dirt-tight manner on the pump housing.
Abstract:
The invention relates to a positive-displacement machine, especially a positive-displacement pump, for example an internal geared wheel or a gerotor pump, comprising a positive-displacement body that co-operates with a driven positive-displacement body in a positively displacing manner. The invention is characterised in that the driven positive-displacement body has a plurality of parts including a positive-displacement body part and a driving body part consisting of a different material from that of the positive-displacement body part.
Abstract:
The invention relates to a hydraulic arrangement for controlling a transmission connected downstream of an internal combustion engine having a start-stop device, comprising a hydraulic energy source for providing hydraulic energy, an energy accumulator connected downstream of the hydraulic energy source for at least partially storing and dispensing the hydraulic energy which can be provided by the hydraulic energy source, and a hydraulic controller associated with the hydraulic energy source and the energy accumulator for controlling the automated transmission. In order to provide an improved hydraulic arrangement, according to the invention the energy accumulator is associated with the hydraulic controller by way of a branching of the pilot control circuit.
Abstract:
The invention relates to a hydraulic system, comprising a pump for delivering a hydraulic fluid from a suction side to a pressure side, wherein an accumulator is disposed on the pressure side, wherein a hydraulic control valve is disposed between the pump and the accumulator, the valve having at least two valve positions, wherein the pressure side of the pump is connected to the accumulator in a first valve position and is separated from the accumulator in a second valve position, wherein the pressure side of the pump is connected to the suction side in a second valve position via the control valve, and a baffle is disposed between the outlet on the pressure side and a second return surface of the control valve.
Abstract:
The invention relates to a dual clutch transmission (1) comprising a first clutch (13), actuated by a first hydraulic cylinder (19), a second clutch (15), actuated by a second hydraulic cylinder (21), a plurality of shift devices (49; 51, 53, 55, 57) for shifting gears, which are actuated by respective hydraulically operated cylinders (39, 41, 43, 45, 47), and a hydraulic energy source (5) for supplying the hydraulic cylinders (9, 21) and the hydraulically operated cylinders (39, 41, 43, 45, 47) with hydraulic energy. The invention is characterized by a third clutch (17) that is actuated by a third hydraulic cylinder (23).
Abstract:
The invention relates to a displacement pump, in particular a inner gear-wheel pump, comprising a pump housing wherein an operational fluid is pressurised in order to displace the position from an inlet position to an outlet position, at least one actuation element, in particular an actuation piston, a coupling device, in particular a dual coupling device which is drivingly coupled to the displacement pump.
Abstract:
The invention relates to a fluid control component comprising a base. The invention is characterized in that the base is made of a plastic material.
Abstract:
The invention relates to a hydraulic circuit arrangement for controlling a hybrid clutch and an automatic gearbox on a motor vehicle, comprising: an electric hydraulic pump for supplying the hybrid clutch and the automatic gearbox with a hydraulic medium, a pressure amplifier downstream of the hydraulic pump with a pressure amplifier slave cylinder and a pressure amplifier master cylinder and a hydrostatic run between the pressure amplifier and the hybrid clutch with the pressure amplifier main cylinder and a hybrid clutch slave cylinder for controlling the hybrid clutch. According to the invention, an improved hydraulic circuit arrangement may be achieved, by providing a supply device for replenishing the hydrostatic run with hydraulic medium, said hydraulic medium coming from the pressure amplifier slave cylinder.
Abstract:
The invention relates to a dual clutch transmission comprising a first clutch (13), actuated by a first hydraulic cylinder (19), a second clutch (15), actuated by a second hydraulic cylinder (21), a plurality of shift devices (49, 51, 53, 55, 57) for shifting gears, which are actuated by respective hydraulically operated cylinders (39, 41, 43, 45, 47), and a hydraulic energy source (7) for supplying the hydraulic cylinders and the hydraulically operated cylinders with hydraulic energy. The invention is characterized in that the hydraulic energy source comprises a first pump (61), a second pump (63) and an electric drive (69) driving the second pump (63).
Abstract:
The invention relates to a hydraulic transformer comprising a plurality of displacement spaces (12) and a control disk (20) which can rotate about an axis of rotation to adjust a pumping action/motor action of the hydraulic transformer (1) and which has control cavities (21-23), with each of which multiple displacement spaces (12) are associated. The invention is characterized in that during operation of the hydraulic transformer (1), the size of the displacement spaces (12) changes in the radial, tangential, and/or circumferential direction relative to the axis of rotation of the control disk (20) in order for the hydraulic transformer (1) to perform the pumping action/motor action.