Abstract: A road construction machine includes an electric drive, a rechargeable battery for supplying the electric drive with electric current, a charging device for connecting the rechargeable battery to an external current source and for charging the rechargeable battery, and a display device for displaying information indicative of a charge state of the rechargeable battery and/or information indicative of a charging process of the rechargeable battery.

Abstract: The disclosure relates to a road construction machine comprising a chassis, a driving gear, a plurality of working aggregates for installing or removing a road surface and/or conveying a paving material, one or more individual drives, which are adapted in particular to power the driving gear and/or the working aggregates, a primary drive system for powering the one or more individual drives of the road construction machine, and an interface which is adapted to connect the primary drive system to the one or more individual drives in a coupleable manner, in particular to enable the one or more individual drives to be supplied with power from the primary drive system, and wherein the primary drive system is adapted to be replaceable.

Abstract: A limiting plate assembly for a road paver includes a limiting plate, swiveling device, and locking device. The limiting plate is attached to a component of the road paver via the swiveling device. The limiting plate is rotatable about the swiveling device between a minimum limiting plate position and a maximum limiting plate position. The locking device is adapted to adopt a first locking position and a second locking position. The locking device is adapted, in the first locking position, to block the rotation of the limiting plate about the swiveling device in the direction of the minimum limiting plate position, when the limiting plate is in a first limiting plate position and, in the second locking position, to block the rotation of the limiting plate about the swiveling device in the direction of the maximum limiting plate position, when the limiting plate is in a second limiting plate position.

Abstract: An edge detection system for a road paver, wherein the edge detection system includes a sensor unit, which is configured to emit laser pulse sequences into a plurality of directions in such a way that the laser pulse sequences are reflected at a plurality of locations of a surface to be scanned. The sensor unit is further configured to detect reflections of the laser pulse sequences and, based on the detected reflections, generate polar coordinate signals representing polar coordinates, wherein the polar coordinates include a distance and an associated angle. The edge detection system is configured to transform the polar coordinate signals into Cartesian coordinate signals representing Cartesian coordinates and to determine a position of an edge in the surface to be scanned relative to a Cartesian coordinate system based on the Cartesian coordinate signals.

Abstract: To pave a multi-layer road surface, a first pavement layer is paved along a roadway using a first road paver. A second pavement layer is paved over the first pavement layer using the first road paver or using a second road paver. Upon paving the first pavement layer, paving data is recorded that allows determining at least a progression track traveled during paving of the first pavement layer by a screed outer edge of the first road paver. The paving data is used to control the first road paver or the second road paver when the second pavement layer is paved.

Abstract: A road construction vehicle comprises a chassis and a material hopper for receiving paving material. The material hopper has two hopper parts opposite each other, which are configured to define a receiving space for the paving material. At least one of the hopper parts has a base part and a side part. The base part is attached to the chassis pivotable about a main pivot axis between an open position and a closed position. The side part is attached to the base part along a pivot end edge of the side part pivotable about a side part pivot axis. A free end edge of the side part opposite the pivot end edge is configured to be located below the side part pivot axis when the base part is in the closed position.

Abstract: The disclosure relates to a road paver comprising a towing vehicle, at least one tow arm, a screed assembly attached to a tow point of the tow vehicle via the at least one tow arm, a leveling cylinder adapted to adjust a position, in particular a height, of the tow point, a screed lifting cylinder adapted to adjust a contact pressure of the screed assembly, a first measuring device adapted to determine a screed height of the screed assembly, a second measuring device adapted to determine an attack angle of the screed assembly, and a feedback control device adapted to control the leveling cylinder and the screed lifting cylinder. The disclosure further relates to a method for feedback controlling a position of a screed assembly and a use of a feedback control device for feedback controlling an attack angle and a screed height of a screed assembly.

Abstract: A road paver for producing a pavement layer made of a paving material conveyable in a direction opposite to a paving direction of travel of the road paver to a transverse distributor assembly and distributable by way of the transverse distributor assembly transverse to the paving direction of travel substantially over a working width of a screed. The road paver comprises an exchangeable component configured to contact the paving material at least during operation of the road paver, an attachment unit for the attachment of the exchangeable component to a work assembly or to a chassis of the road paver, and a wear protection for the attachment unit. The wear protection comprises a sacrificial body for mounting onto the attachment unit and/or a protective body with a protective section which is formed to be ramp-shaped or curved at least in sections to guide the paving material over the attachment unit.

Abstract: The disclosure relates to a unit or a method for determining a remaining utilization capacity of at least one energy supply source connected to at least one electrical consumer used on a road construction machine, or a road construction machine, having at least one unit for determining a remaining utilization capacity. The unit is adapted to indicate a remaining utilization capacity determined on the basis of a current charging state of the energy supply source as a remaining utilization duration, a remaining utilization range and/or a remaining utilization area for the at least one consumer.

Abstract: A screed assembly for a road paver comprises a main screed and a secondary screed. The main screed comprises a main screed plate for contact with paving material. The secondary screed comprises a screed plate carrier and a secondary screed plate for contact with the paving material. The secondary screed plate is attached to the screed plate carrier so as to be tiltable about a tilting axis. The screed assembly comprises a height adjustment device configured to lower or raise the screed plate carrier relative to the main screed. The screed assembly further comprises a tilting device configured to change a tilting angle of the secondary screed plate about the tilting axis.

Abstract: The disclosure relates to a road construction machine, which is available in the form of a road paver or a feeder vehicle for a road paver, comprising a driver's control station for a driver of the road construction machine, wherein the driver's control station has at least one seat console that comprises a fresh air system. Furthermore, the disclosure relates to a method for generating an improved air quality on an openly configured driver's control station of a road construction machine.

Abstract: The disclosure relates to an air filter arrangement for cleaning a bitumen-containing volume flow, comprising at least a first filter element and a second filter element, which are arranged as filter elements acting in succession for cleaning the bitumen-containing volume flow, wherein the first filter element and the second filter element are fixedly connected to one another. Furthermore, the disclosure relates to a method for carrying out an exchange of a plurality of filter elements.

Abstract: The disclosure relates to a road construction machine which is available in the form of a road paver or a feeder vehicle for a road paver, comprising at least one control station with at least one open side, wherein the control station comprises a control console for controlling and monitoring processes which can be carried out by means of the road construction machine, and a fresh air system with at least one fresh air opening, wherein the fresh air system is completely integrated in the control console. Furthermore, the disclosure relates to the use of a control console for fresh air generation and fresh air supply on a road construction machine.

Abstract: The disclosure relates to a method for dynamically controlling a paving speed of at least one road paver for a paving process, wherein by a control system functionally connected to the road paver, a paving speed for the road paver adapted to the determined material delivery rate is determined as a function of a variable material delivery rate of a material supply chain supplying the road paver with paving material determined thereby, wherein a pre-compaction performance of at least one pre-compaction element of a paving screed of the road paver is adjusted as a function of the determined paving speed in order to keep a pre-compaction achieved by the pre-compaction element constant. Furthermore, the disclosure relates to a road construction system for a paving process for producing a constant pre-compaction at varying paving speed.

Abstract: A road paver comprises a paving screed, a bearing block arrangement and a distributing auger. The bearing block arrangement comprises a bearing block, a cover and a heating device. The distributing auger is rotatably mounted at the bearing block for distributing paving material. The heating device is received in an accommodation space of the bearing block arrangement. The bearing block arrangement is configured to be selectively brought into a working configuration and into a removal configuration, wherein the heating device is removable from the accommodation space in the removal configuration, but not in the working configuration. At least a base part of the cover is connected to the bearing block both in the working configuration and in the removal configuration. In the working configuration, the base part of the cover at least partially covers the heating device towards a front with respect to a paving direction of the road paver.

Abstract: Method for laying down a pavement consisting of paving material with a road paver screed in which a compaction unit pre-compacts the paving material at cyclical work cycles with a selectable stroke and at a selectable frequency while the pavement is laid down at a selectable paving speed and at least the stroke is automatically adjustable in response to paving parameters.

Abstract: The invention relates to a construction machine such as a road paver with an electric generator. The construction machine comprises a hydraulic oil system for hydraulic functions that also cools the generator.

Abstract: The present invention relates to a construction machine with automatic fan rotational speed regulation. The construction machine includes at least one electric motor that is connected functionally to a respective fan and a control unit formed for the purpose of registering operation-specific data. The control unit is configured for the purpose of regulating, depending on the operation-specific data, an electric output of the respective electric motor in order to adjust a desired target fan rotational speed on the fan.