Abstract: An attachment is provided for a vehicle wheel, having a rim and a tire arranged on the rim, for enabling a driving operation with a restricted tire function in an operating state in which the attachment is fastened on the vehicle wheel. The attachment may include a stationary section configured to be fastened immovably with respect to the rim in the operating state in which the attachment is fastened on the vehicle wheel, a tread section with a tread for contacting the road, and at least two clamping devices configured to engage behind a section of the rim to fasten the attachment on the vehicle wheel, wherein the tread includes at least one tread segment arranged movably in a circumferential direction with respect to the stationary section in the operating state in which the attachment is fastened on the vehicle wheel.

Abstract: The invention relates to an emergency wheel attachment (10) for a vehicle wheel (12), the emergency wheel attachment having a substantially annular mounting unit (18), which is used to mount the emergency wheel attachment to the vehicle wheel, and an annular tread unit (20), which in the operating state contacts a road, the mounting unit being provided with at least two retaining claws (22) which are designed to fasten the mounting unit to the rim (14) of the vehicle wheel by engaging behind the rim flange (26), at least one of the retaining claws being radially movable in order to change its distance from the center point of the mounting unit, the mounting unit having an annular actuating element (46) which is rotatable about an axis of rotation (A) coinciding with the vehicle wheel axis in the operating state of the emergency wheel attachment and forms part of a gear mechanism which converts a rotation of the actuating element (46) into a radial movement of the or all radially movable retaining claws (22),

Abstract: An attachment is provided for a vehicle wheel, having a rim and a tire arranged on the rim, for enabling a driving operation with a restricted tire function in an operating state in which the attachment is fastened on the vehicle wheel. The attachment may include a stationary section configured to be fastened immovably with respect to the rim in the operating state in which the attachment is fastened on the vehicle wheel, a tread section with a tread for contacting the road, and at least two clamping devices configured to engage behind a section of the rim to fasten the attachment on the vehicle wheel, wherein the tread includes at least one tread segment arranged movably in a circumferential direction with respect to the stationary section in the operating state in which the attachment is fastened on the vehicle wheel.

Abstract: A compressor unit (38) for supplying pressurized medium to a tire mounted on a vehicle wheel rim (34), having a compressor (58) for exerting pressure on a fluid medium that is to be conveyed into the tire. The compressor unit (38) is dimensioned to be accommodated in a center bore (44) of the vehicle wheel rim (34) when the vehicle wheel rim (34) is in the mounted state on a wheel hub (62); and the compressor (58) can be driven by a drive unit (56) positioned in the vicinity of the center bore (44) of the vehicle wheel rim (34). The compressor unit (38) is usable with a vehicle wheel rim (34) having a pressurized medium supply device (22) for a tire that is mounted on the vehicle wheel rim (34), as well as a vehicle having a vehicle wheel that includes such a vehicle wheel rim (34).

Abstract: A tire valve for controlled filling and emptying of a tire, having a valve body and a filling conduit, which is routed in the valve body from a valve inlet to a valve outlet and in which a filling valve is provided. In order to be able to perform an emptying of the tire, an emptying conduit, which is separated from the filling conduit in a pressure-tight manner, is formed in the valve body and includes an emptying valve, and from this emptying conduit an emptying opening leads through the valve body to the outside, wherein a shut-off element of the emptying valve is coupled to an element, which is movable by pressure medium loading, in such a way that a movement of the movable element, which is brought about by the pressure medium loading in the filling conduit, moves the shut-off element of the emptying valve into an open position.

Abstract: A pressure medium supply device for a tire of a wheel unit, a wheel unit, and a valve arrangement for a rotationally fixed transition of a pressure medium supply device for a wheel unit are provided. The valve arrangement has a housing part through which a pressure medium can flow, a control piston, in particular an axially movable control piston which is received on the housing part, and a discharge element with an outlet for conducting the pressure medium. The housing part and the discharge element are received in a rotatable manner relative to each other. The control piston has a flow channel for the pressure medium, has a force application surface to which the pressure medium can be applied, and can be moved between a disengaged position and an engaged position. A pressure medium line can be established between the housing part and the discharge element in the engaged position.

Abstract: A shaft seal is proposed, having an annular base body whereof one lateral surface forms a circumferential sealing surface and whereof the other, opposing, lateral surface has at least two circumferential sealing lips extending radially therefrom, between which an outwardly open outer cavity is delimited. To enable a coupling between a stationary body and a rotatable body arranged coaxially thereto which is suitable for pressure-medium transmission, the shaft seal is distinguished by a pressure-medium inlet in an outer wall of the base body and a pressure-medium outlet which leads into the outer cavity and is in fluid connection with the inlet.

Abstract: A compressor unit (38) for supplying pressurized medium to a tire mounted on a vehicle wheel rim (34), having a compressor (58) for exerting pressure on a fluid medium that is to be conveyed into the tire. The compressor unit (38) is dimensioned to be accommodated in a center bore (44) of the vehicle wheel rim (34) when the vehicle wheel rim (34) is in the mounted state on a wheel hub (62); and the compressor (58) can be driven by a drive unit (56) positioned in the vicinity of the center bore (44) of the vehicle wheel rim (34). The compressor unit (38) is usable with a vehicle wheel rim (34) having a pressurized medium supply device (22) for a tire that is mounted on the vehicle wheel rim (34), as well as a vehicle having a vehicle wheel that includes such a vehicle wheel rim (34).

Abstract: The invention has proposed a tire valve for controlled filling and emptying of a tire, having a valve body and a filling conduit, which is routed in the valve body from a valve inlet to a valve outlet and in which a filling valve is provided. In order to be able to perform an emptying of the tire, an emptying conduit, which is separated from the filling conduit in a pressure-tight manner, is formed in the valve body and includes an emptying valve, and from this emptying conduit an emptying opening leads through the valve body to the outside, wherein a shut-off element of the emptying valve is coupled to an element, which is movable by means of pressure medium loading, in such a way that a movement of the movable element, which is brought about by means of pressure medium loading in the filling conduit, moves the shut-off element of the emptying valve into an open position.

Abstract: A vehicle axle assembly is provided having a hub which is mounted on a cylindrical axle body by way of a ball bearing so as to be rotatable about a central longitudinal axis, wherein the ball bearing has an inner race connected to the axle body and has an outer race connected to the hub. The vehicle axle assembly includes an axially inner shaft sealing ring and an axially outer shaft sealing ring which are sealingly arranged between the two races and which delimit a ring-shaped chamber between the two races a first pressure medium line which extends through the inner race or one of the two shaft sealing rings and which opens into the ring-shaped chamber; and a second pressure medium line which extends from the ring-shaped chamber through the outer race and which is configured to be connected to a wheel fastened on the hub.

Abstract: A vehicle axle assembly includes a hub, which is mounted on a cylindrical axle body so that it can rotate about a central longitudinal axis, and an axially inner and an axially outer shaft sealing ring for indirect or direct sealing between the axle body and the hub. In order to enable an autonomous feed of pressure medium into a vehicle tire, the vehicle axle assembly includes an annular chamber that is formed between the two shaft sealing rings, the axle body and the hub, a first pressure medium line that extends through the axle body or one of the two shaft sealing rings and opens out into the annular chamber, and a second pressure medium line that extends out of the annular chamber through the hub and is designed to be connected to a wheel that is secured on the hub.

Abstract: A vehicle axle assembly is provided having a hub which is mounted on a cylindrical axle body by way of a ball bearing so as to be rotatable about a central longitudinal axis, wherein the ball bearing has an inner race connected to the axle body and has an outer race connected to the hub. The vehicle axle assembly includes an axially inner shaft sealing ring and an axially outer shaft sealing ring which are sealingly arranged between the two races and which delimit a ring-shaped chamber between the two races, a first pressure medium line which extends through the inner race or one of the two shaft sealing rings and which opens into the ring-shaped chamber; and a second pressure medium line which extends from the ring-shaped chamber through the outer race and which is configured to be connected to a wheel fastened on the hub.

Abstract: A shaft seal is proposed, having an annular base body whereof one lateral surface forms a circumferential sealing surface and whereof the other, opposing, lateral surface has at least two circumferential sealing lips extending radially therefrom, between which an outwardly open outer cavity is delimited. To enable a coupling between a stationary body and a rotatable body arranged coaxially thereto which is suitable for pressure-medium transmission, the shaft seal is distinguished by a pressure-medium inlet in an outer wall of the base body and a pressure-medium outlet which leads into the outer cavity and is in fluid connection with the inlet.

Abstract: A vehicle axle assembly includes a hub, which is mounted on a cylindrical axle body so that it can rotate about a central longitudinal axis, and an axially inner and an axially outer shaft sealing ring for indirect or direct sealing between the axle body and the hub. In order to enable an autonomous feed of pressure medium into a vehicle tire, the vehicle axle assembly includes an annular chamber that is formed between the two shaft sealing rings, the axle body and the hub, a first pressure medium line that extends through the axle body or one of the two shaft sealing rings and opens out into the annular chamber, and a second pressure medium line that extends out of the annular chamber through the hub and is designed to be connected to a wheel that is secured on the hub.

Abstract: The invention relates to an insert element 13 for inserting into the filler neck 10 of a tank suitable for filling with urea at a filling station by means of a pump nozzle 12. The insert element 13 comprises a cover element 24 with an opening having an inner diameter that is smaller than the outer diameter of a standard pump nozzle spout 12 for Diesel fuel, and support means for mounting the cover element 24 to substantially the plane of opening of the filler neck 10.

Abstract: The invention relates to a brake dust collector (10) for a disc brake (12) comprising a brake disc (18) and a brake caliper (16) clasping the latter. The brake dust collector (10) includes a housing (24) designed to clasp a portion of the brake disc (18) directly adjoining the brake caliper (16) in the main direction of rotation (R) of the brake disc (18). Provided arranged in the housing (24) is a brake dust retainer comprising a plurality of brake dust intake ports. To ensure practically total retainment of the resulting brake dust without detrimenting, indeed, even improving the cooling of the disc brake (12) the housing (24) features a plurality of air intake ports (34; 38) separate from the inner brake dust intake ports, making it possible to direct the inflow of air in the direction of the brake disc (18) and into the inner brake dust intake ports.

Abstract: The present invention relates to a brake dust collecting device of a disc brake; the disc brake includes a brake disc, a brake caliper, and at least one brake pad; the at least one brake pad is situated on one side of the brake disc and in a first subregion, overlaps the brake disc in its main axial direction; and the at least one brake pad has an enclosure that at least partially encompasses the at least one brake pad; the present invention also relates to a disc brake and motor vehicle equipped with the collecting device.

Abstract: The invention relates to an insert element (13) for a diesel fuel container, which can be installed in the filling opening (10) of the container, in particular in a filler neck, for the purpose of filling with diesel fuel using a pump nozzle at the gas station, wherein the insert element (13) comprises an elongated, substantially tubular holding element (16), which can be fitted into the container opening and comprises an inlet side and an outlet side and in which a molded part (18) is held, which is elongated in parallel to the holding element (16) and the free face of which projecting toward the inlet side has an outside diameter that is smaller than the inside diameter of an outlet tube (12) of a diesel pump nozzle, however that is larger than the inside diameter of an outlet tube of a gas pump nozzle.

Abstract: The invention relates to a device for setting the gas pressure in a motor vehicle tire, comprising: at least one first channel element, which is arranged in a substantially rotationally fixed manner in the area of a wheel axle of the motor vehicle and which forms a part of a ring channel that is arranged concentrically with the wheel axle, wherein the first channel element comprises a connection for a pressure medium line, which is connected to a pressure medium source, at least one second channel element, which can be rotated together with the motor vehicle wheel and which forms another part of the ring channel and which is connected to the interior of the motor vehicle tire by means of an inlet valve, wherein the first channel element and the second channel element face each other with the parts thereof that form the ring channel. The tire pressure can be corrected during driving and at standstill by means of such a device.

Abstract: The invention relates to an insert element 13 for inserting into the filler neck 10 of a tank suitable for filling with urea at a filling station by means of a pump nozzle 12. The insert element 13 comprises a cover element 24 with an opening having an inner diameter that is smaller than the outer diameter of a standard pump nozzle spout 12 for Diesel fuel, and support means for mounting the cover element 24 to substantially the plane of opening of the filler neck 10.