Abstract: The present invention relates to a piston-cylinder assembly for a radial piston compressor. The piston-cylinder assembly comprises a drive shaft with a cylindrical eccentric for guiding the movement of the piston to a top dead center position. A cylindrical piston guide ring guides the movement of the piston to a bottom dead center. Both the cylindrical eccentric and the piston guide ring are connected to the piston by means of respective concave/convex contact surfaces for the positive transmission of the forces.

Abstract: The present invention concerns a sliding cam system for an internal combustion engine having at least one camshaft, an adjustment element and at least one actuator. The camshaft comprises a carrier shaft with a primary sliding cam element and at least one secondary sliding cam element. Each of the cam elements are arranged so as to be displaceable axially relative to the carrier shaft. Each of the cam elements comprises a shift gate with at least one shift groove. The actuator has at least one actuator pin which engages in the shift groove of the shift gate of the primary sliding cam element according to the necessary switch position of the camshaft. The adjustment element is arranged parallel to a longitudinal axis of the carrier shaft and is axially displaceable in the direction of the longitudinal axis of the carrier shaft and has at least two coupling pins.

Abstract: An unbalance measuring device, includes two spaced-apart workpiece receiving devices for rotatably receiving a workpiece, the unbalance of which is to be measured, and at least one sensor for detecting a vibration of the workpiece during the rotation, wherein the workpiece receiving devices each have a connection device for the positionally fixed fastening, and a workpiece receptacle for the rotational receiving, of a workpiece portion, wherein a spring device is in each case arranged between the connection devices and the workpiece receptacles.

Abstract: The present invention relates to a sliding-cam camshaft assembly for an internal combustion engine, comprising at least a first sliding-cam camshaft with a longitudinal axis and a second sliding-cam camshaft with a longitudinal axis. The first sliding-cam camshaft comprises a support shaft and at least one sliding cam. The sliding-cam comprises a first cam and at least one second cam, and a shift gate. The second sliding-cam camshaft comprises a support shaft and at least one sliding cam. The sliding cam comprises a first cam and at least one second cam, and a shift gate. The first sliding-cam camshaft and the second sliding-cam camshaft are arranged parallel to one another. A transmission means for transmitting the switching state of the sliding-cam of the first sliding-cam camshaft to the sliding-cam of the second sliding-cam camshaft is arranged between the first sliding-cam camshaft and the second sliding-cam camshaft.

Abstract: The present disclosure provides a shift gate for a sliding cam system with at least two shifting grooves for engaging at least one actuator pin. The shifting grooves extend in a circumferential direction of the shift gate. The two shifting grooves are at least partially separated from one another in an entry region of the actuator pin. In a transition region adjacent to the entry region, they converge on each other in such a manner that they merge into each other and form a common groove. The shifting grooves each comprise at least one groove flank, in particular a lead flank and/or a runoff flank, which narrows the shifting grooves at least in the transition region, in such a manner that a groove width of the shifting grooves in the transition region is smaller than a groove width of the shifting grooves in the entry region of the actuator pin.

Abstract: Radial piston pump and a method of assembly of the radial pump in particular radial piston pump, including a drive shaft having an eccentric and at least one piston-and-working-chamber combination, wherein the piston-and-working-chamber combination comprises a cylinder bore and a piston, wherein the cylinder bore has a fluid outlet duct, the cylinder bore is closed with a cover, wherein the cover is received in a cover receptacle bore, the cylinder bore has a longitudinal axis, and the cover receptacle bore has a longitudinal axis, wherein the longitudinal axis of the cylinder bore and the longitudinal axis of the cover receptacle bore are not congruent, in particular are displaced in parallel.

Abstract: A radial piston pump, in particular radial piston compressor, including a drive shaft with an eccentric, and at least one piston/working chamber combination, wherein the piston/working chamber combination includes a working chamber and a piston, wherein the radial piston pump includes at least two piston/working chamber combinations extending radially from the drive shaft, wherein each working chamber is closed with a cover, wherein the radial piston pump is equipped with a housing component with an integrated retaining ring for fixing all of the covers of the radial piston pump.

Abstract: A radial piston pump, including a drive shaft having an eccentric and at least one piston-and-working chamber combination, wherein the piston-and-working chamber combination includes a working chamber and a piston. The radial piston pump includes at least two piston-and-working chamber combinations which extend radially from the drive shaft, wherein each working chamber is closed by a cover. The radial piston pump is equipped with at least one retaining ring for fixing all of the covers of the radial piston pump; and to a method for producing a radial piston pump.

Abstract: A piston compressor having at least two piston/working space combinations, wherein each piston/working space combination includes at least one fluid inlet channel and one fluid outlet channel, the at least one fluid inlet channel being connected fluidically to a low pressure collecting volume, and/or the at least one fluid outlet channel being connected fluidically to a high pressure collecting volume, wherein the low pressure collecting volume comprises a first part collecting volume and at least one second part collecting volume, the first part collecting volume and the second part collecting volume being connected fluidically to one another via a first overflow channel and at least one second overflow channel, and/or the high pressure collecting volume comprises a first part collecting volume and at least one second part collecting volume.

Abstract: A sliding cam system for an internal combustion engine includes an adjusting element that has at least three coupling pins. A first coupling pin is arranged in the region of the primary sliding cam element and a second coupling pin is arranged in the region of the first secondary sliding cam element and a third coupling pin is arranged in the region of the second secondary sliding cam element. The coupling pins each cooperate with a shifting gate of the respectively associated sliding cam element such that a movement of a primary sliding cam element initiated by the actuator pin is transmissible to secondary sliding cam elements by the adjusting element. The sliding cam system is designed such that a shifting operation of the first secondary sliding cam element takes place at least partially at the same time as the shifting operation of the second secondary sliding cam element.

Abstract: The present disclosure relates to a piston for a piston pump, in particular a piston compressor, including a piston main body and a piston crown valve that includes a lamellar valve plate. The lamellar valve plate is fastened to the piston main body by a collar ring.

Abstract: The present disclosure relates to a compressor having a low-pressure region and a high-pressure region, wherein a lubricant is provided in the low-pressure region in order to lubricate the compressor. A fluid is conveyed from the low-pressure region into the high-pressure region and compressed, wherein a portion of the lubricant with the fluid from the low-pressure region reaches the high-pressure region, and wherein a lubricant separator for separating the lubricant from the fluid/lubricant mixture in the high-pressure region is provided. A lubricant return channel for transporting the separated lubricant from the high-pressure region into the low-pressure region is provided.

Abstract: A sliding cam system for an internal combustion engine includes an adjusting element that has at least three coupling pins. A first coupling pin is arranged in the region of the primary sliding cam element and a second coupling pin is arranged in the region of the first secondary sliding cam element and a third coupling pin is arranged in the region of the second secondary sliding cam element. The coupling pins each cooperate with a shifting gate of the respectively associated sliding cam element such that a movement of a primary sliding cam element initiated by the actuator pin is transmissible to secondary sliding cam elements by the adjusting element. The sliding cam system is designed such that a shifting operation of the first secondary sliding cam element takes place at least partially at the same time as the shifting operation of the second secondary sliding cam element.

Abstract: The present invention relates to a piston-cylinder assembly for a radial piston compressor. The piston-cylinder assembly comprises a drive shaft with a cylindrical eccentric for guiding the movement of the piston to a top dead center position. A cylindrical piston guide ring guides the movement of the piston to a bottom dead center. Both the cylindrical eccentric and the piston guide ring are connected to the piston by means of respective concave/convex contact surfaces for the positive transmission of the forces.

Abstract: The present invention relates to a sliding-cam camshaft assembly for an internal combustion engine, comprising at least a first sliding-cam camshaft with a longitudinal axis and a second sliding-cam camshaft with a longitudinal axis. The first sliding-cam camshaft comprises a support shaft and at least one sliding cam. The sliding-cam comprises a first cam and at least one second cam, and a shift gate. The second sliding-cam camshaft comprises a support shaft and at least one sliding cam. The sliding cam comprises a first cam and at least one second cam, and a shift gate. The first sliding-cam camshaft and the second sliding-cam camshaft are arranged parallel to one another. A transmission means for transmitting the switching state of the sliding-cam of the first sliding-cam camshaft to the sliding-cam of the second sliding-cam camshaft is arranged between the first sliding-cam camshaft and the second sliding-cam camshaft.

Abstract: The present invention concerns a sliding cam system for an internal combustion engine having at least one camshaft, an adjustment element and at least one actuator. The camshaft comprises a carrier shaft with a primary sliding cam element and at least one secondary sliding cam element. Each of the cam elements are arranged so as to be displaceable axially relative to the carrier shaft. Each of the cam elements comprises a shift gate with at least one shift groove. The actuator has at least one actuator pin which engages in the shift groove of the shift gate of the primary sliding cam element according to the necessary switch position of the camshaft. The adjustment element is arranged parallel to a longitudinal axis of the carrier shaft and is axially displaceable in the direction of the longitudinal axis of the carrier shaft and has at least two coupling pins.