Abstract: In producing tooth shapes of two toothed rings of an annular gear machine, a starting geometry of a first toothed ring, at least one quality criterion of the annular gear machine, and a desired eccentricity between rotational axes of the two toothed rings are defined. A motion is performed with the starting geometry that performs a rotational motion about its rotational axis and a revolving motion about the rotational axis of the second toothed ring. The rotational and revolving motions are coupled so the rotational angle of the eccentricity equals the product of the rotational angle and tooth count of the first toothed ring. A tooth shape contour of the second toothed ring is generated by recording the path described by the envelope of the starting geometry. If the defined quality criterion is not met, the previously used starting geometry and/or the defined eccentricity is changed and steps are repeated.

Abstract: The invention relates to a device and method for the defined longitudinal shifting of an adjusting device which rotates along in a drive shaft, along the center axis of the drive shaft. The solution according to the invention is characterized in that a working chamber (12) is arranged at the opposite end of the drive shaft (1), into which working chamber a passage hole (7) arranged in the drive shaft (1) opens, wherein a working piston (13) that operatively connects to the working chamber (12) is arranged in such a way that, in the event of a pressure build-up in the working chamber (12), the adjusting device (2) is variably moved against the spring force of a restoring spring (10) by means of a radial piston pump according to the invention that is arranged on the drive shaft (1).

Abstract: A shaft bearing with a shaft seal, in particular for water pumps in motor vehicles, arranges a special radial shaft seal inside the outer bearing ring. The seal is made up of a stable rear wall arranged at a certain distance from the water-side of the shaft seal and fixed in the outer bearing ring, a secondary lip seal adjacent to a water-side of the rear wall, a support body solidly fixed in position in the outer bearing ring and adjacent to the secondary lip seal and a primary lip seal fixed in position adjacent to the support body on the water side, i.e. on the pressure side and opposite to the support body as well as opposite the outer bearing ring. Leakage openings are also arranged in the outer bearing ring, between the water-sided shaft seal of the shaft bearing and the rear wall which is arranged at a distance therefrom.

Abstract: An axial sliding bearing has a sliding ring disposed between two planar, ring-shaped sliding surfaces pressure-stressed against one another. The axial sliding bearing is overload-proof, in particular by about 30% to 80% with regard to the average pressure stress of about 30 to 40 bar per wedge segment that is usual in the case of wedge segment bearings, and at the same time, is not susceptible to axial vibrations, and, in this connection, can be easily produced in terms of production technology, and easily installed, and furthermore does not permit the “snap-over effects” that drastically impair the lubricant wedge effect, so that even under more difficult operating conditions, targeted optimal variation of the wedge angle, adapted to the operating conditions, in each instance, is always guaranteed, and great reliability of the axial sliding bearing, at a long useful lifetime, can be guaranteed, while simultaneously expanding the optimal dynamic supporting range.

Abstract: An apparatus for activation of a control valve is configurable as a slide, ball valve, rotary slide, poppet valve, or the like, and controls or regulates pressure-impacted media, for example, regulating the coolant volume stream of an internal combustion engine. A push piston linearly displaceable in a piston guide rigidly disposed on the flow housing, with an activation joint, is fastened onto the flow housing. A connecting rod is disposed in the activation joint. A push joint is disposed at the push piston end that lies opposite the activation joint, in which push joint the activation element of a control valve is displaceably and/or rotatably disposed. A reset spring is disposed adjacent to the push joint and acts on the push piston, in the direction of its longitudinal axis, so that the push piston always lies against the connecting rod without play, with the activation joint.