| Patent application number | Description | Published |
|---|
| 20090285631 | ROAD FINISHER - The present invention describes a road finisher for laying a paving material, comprising a material bunker for paving material and a spray jet module. In order to increase the spray carrying capacity in a structurally simple manner, it is suggested that a reservoir unit comprising a spray reservoir and a paving material reservoir should be arranged in the material bunker. | 11-19-2009 |
| 20100150650 | METHOD FOR LAYING A PAVING MAT - According to a method for laying a paving mat with a paving screed, the paving mat comprising a lane and a downwardly inclined slope beginning at a transition to the outside, the paving screed comprising a base screed and at least one extension screed which is extendable and retractable by a sliding motion in a sliding direction parallel to the base screed for varying the working width of the paving screed, the base screed and the extension screed having sole plates at the lower sides, with the sole plate of the extension screed being inclined laterally for forming the slope with the angle of the slope, a lateral position of the transition is first set relative to the base screed, during or after setting the lateral position a height difference is measured perpendicular to the planum between a fixed measuring location at the base screed and a location along a reference line extending parallel to the sole plate of the extension screed, the measured height difference being converted into a target value, and in the case of a variation of the working width and/or of the angle an occurring deviation of the height difference from the target value as caused by the variation is measured and automatically is corrected by a simultaneous height adaptation of the sole plate of the extension to the target value in order to maintain the set lateral position of the transition stationary. | 06-17-2010 |
| 20100150651 | PAVING SCREED AND A METHOD FOR LAYING A PAVING MAT - A paving screed comprises a base screed and extension screeds each of which is support via an extension guiding structure at a guidance fixed in the base screed such that each extension screed can be extended and retracted. A multiple point suspension is provided between the extension guiding structure and the guidance. A frame carrying the sole plate of the extension screed A is arranged below the extension guiding structure. Substantially vertical adjustment assemblies make it possible to adjust the height position of the frame via drives. A lateral inclination adjustment assembly is provided structurally separated from the adjustment assemblies either for the frame or within the frame for the sole plate of the extension screed. | 06-17-2010 |
| 20100209190 | PAVING SCREED - In a paving screed E for a road paver F, the paving screed E comprises a base screed G and extension screeds A at the front side of the base screed, the extension screeds A being extendable and retractable and pivotable relative to the base screed G, a base guiding structure | 08-19-2010 |
| 20100296867 | ROAD FINISHER - A road finisher ( | 11-25-2010 |
| 20100326067 | SELF-PROPELLED MACHINE - In a self-propelled machine F for processing paving material, the machine having a liquid cooled combustion engine M and at least one hydraulic circuit H containing hydraulic pumps | 12-30-2010 |
| 20100329783 | ROAD FINISHER WITH AUTOMATIC ENGINE CONTROLLER - The invention relates to a self-propelling machine for processing bituminous or concrete pavement material, in particular a road finisher or a feeder. The machine comprises an internal combustion engine as a primary drive source, a controller for the engine, said controller receiving control signals, at least one additional drive unit for functional and operational components of the machine as well as at least one hydraulic circuit comprising a hydraulic medium reservoir. The invention is characterized in that the controller is configured for automatically causing starting and/or stopping of the engine in response to receipt of at least one specific control signal. | 12-30-2010 |
| 20110091278 | SCREED FOR ROAD FINISHING MACHINE - In a screed with a basic screed and at least one extendable screed movable relative to the basic screed with a hydraulic cylinder and an electro-hydraulic control comprising a magnet-actuated directional control valve for at least controlling the direction of the hydraulic cylinder, the directional control valve for changing the rate of motion of the hydraulic cylinder is guided by an operator or automatically and is a proportional directional control valve (W) with proportional-electric direct actuation or proportional-electric-hydraulic pilot control. The proportional directional control valve for the hydraulic cylinder is connected on the actuation side with an electro-hydraulic control of a hydraulic system of the road finishing machine. | 04-21-2011 |
| 20110123267 | METHOD FOR LAYING DOWN A PAVEMENT, A SCREED AND A ROAD PAVER - In a method for laying down a pavement consisting of paving material with a screed of a road paver, in which a compaction unit, particularly a tamper, pre-compacts the paving material at cyclical work cycles with selectable stroke and selectable frequency while the pavement having a selectable pavement thickness) is in the process of being laid down at a selectable paving speed, at least the stroke is automatically adjustable in response to paving parameters, such as at least the paving speed and/or the pavement thickness, along a characteristic curve or in a characteristic map. In the screed the compaction unit comprises an adjusting mechanism which is operable during the ongoing paving work for adjusting the stroke of the compaction unit. | 05-26-2011 |
| 20110123270 | TAMPER OF A SCREED OF A ROAD FINISHING MACHINE - In a tamper of a screed having an eccentric shaft comprising an eccentric section and an eccentric bushing arranged thereon which is rotatably mounted in a connecting rod driving a tamper bar, the stroke of the tamper bar is adjustable by a relative rotation between the eccentric shaft and the eccentric bushing, and a tappet and a preselection area with two tappet stop positions defining two different tamper bar strokes are functionally provided between the eccentric shaft and the eccentric bushing, so that the tappet can be adjusted without tools to each tappet stop position by a reversal of the direction of rotation of the eccentric shaft to switch between the two strokes. | 05-26-2011 |
| 20110229263 | METHOD FOR CONTROLLING THE PROCESS WHEN PRODUCING A PAVING MAT AND ROAD FINISHER - A method for controlling the process laying a layer in a selectable paving thickness with a road finisher in which the laying process is automatically controlled in that a target value for the paving thickness is entered into an automatic closed-loop control system and communicates the actuating signals to such members and the signals. A road finisher has a computerized, either fully automatic or operator aided closed-loop control system for the direct control of the laying process with control of the paving thickness to a predetermined target value and for the optimization of the operating point of the pre-compaction system, which is connected to sensors at least for the acquisition of the setting angle of the screed, of the paving thickness and of the laying rate. | 09-22-2011 |
| 20110229266 | METHOD AND ROAD FINISHER FOR LAYING A COMPACTED FINISHING LAYER - A method of laying a finishing layer with a road finisher F having a screed B, whereby the screed, equipped with a tamper device T and a smoothing plate, at least compacts and superficially smoothes the finishing layer, and the stroke and/or the frequency of the tamper device T are remotely varied for laying a finishing layer with a paving thickness and/or laying rate V which vary over the pave width and transversely to the working direction R within the pave width. A road finisher having a screed suitable for implementing the method set forth above wherein the road finisher or screed has an adjustment device for the remotely actuated local variation of at least the stroke of the tamper device within the pave width. | 09-22-2011 |
| 20120010787 | CONSTRUCTION MACHINE WITH OPERATING MODE CONTROL - The invention relates to a construction machine, in particular a road finishing machine, which can be set to at least two different operating modes by the operator. With a control system, a determined position for a drive can be stored in a first operating mode to which the drive automatically moves during a change from a second operating mode back to the first operating mode. In case of a change of the operating mode from the second operating mode to the first operating mode, several drives can optionally also be simultaneously moved to the previously stored position. | 01-12-2012 |
| 20120263530 | METHOD AND SYSTEM FOR APPLYING A ROAD SURFACE - A method and a system for applying a road surface using a mixing plant for producing laying material, a road finishing machine processing the laying material to a road surface, and a supply chain transporting the laying material from the mixing plant to the road finishing machine. Request commands are transmitted from the road finishing machine to the mixing plant and/or to the supply chain, and, depending on these request commands, the production rate of the laying material in the mixing plant, the temperature of the laying material produced in the mixing plant, and/or the mass flow of laying material supplied to the road finishing machine per time unit by means of the supply chain are adjusted. | 10-18-2012 |
| 20120263531 | SYSTEM AND METHOD FOR LAYING DOWN AND COMPACTING AN ASPHALT LAYER - In a system for laying down an asphalt layer made of asphalt material, and having a road paver having a screed with compacting tools, a compacting device and a mixer, an electronic material density module is provided in or for the road paver. The electronic material density module obtains data during the laying process regarding at least the actual degree of compaction of the asphalt layer produced in the area of at least one compacting tool and evaluates and/or documents these data at least for operational optimisation and/or operational monitoring of the road paver and/or compacting device and/or mixer. The data obtained is communicated to the compacting device that produces the final degree of compaction of the asphalt layer based on the data and on the actual degree of compaction determined at the screed. | 10-18-2012 |
| 20120263532 | METHOD AND ROAD PAVER FOR LAYING DOWN A PAVEMENT - Method for laying down a pavement with a road paver, in which machine parameters are coordinated at least with paving requirements of the pavement by means of a controller and in which at least one machine parameter set is created and stored in advance for a paving requirement determined before the paving, the parameter set allowing a high level of machine efficiency and pavement quality to be expected and/or has already produced the same for an at least similar earlier paving requirement of an already laid down pavement, and the pavement on the basis of the parameter set created in advance. The road paver has a controller with an on-board computer connected to a sensor system and an actuating system, and includes memories and a retrieval and/or comparison section for triggering the actuating system for implementing the machine parameters of the parameter set created in advance. | 10-18-2012 |
| 20120265371 | SYSTEM FOR CONTROLLING CONSTRUCTION SITE VEHICLES - A system for controlling construction site vehicles has a plurality of construction site vehicles and a control room. Data can be transmitted on communication channels between the control room and the construction site vehicles. In the control room, at least one digital map is stored in which at least one additional piece of information is stored for individual road sections, in addition to the route of the respective road section. A navigation module is provided and designed to generate, with reference to the at least one digital map, navigation recommendations for the construction site vehicles. | 10-18-2012 |
| 20120299270 | PUSHING DEVICE - A pushing device that can be attached to a road paver or feeder vehicle. The pushing device is attachable to a chassis component of the road paver or the feeder vehicle and comprises a pushing unit that is attached in a movable manner to the chassis component by means of at least a spring-absorber unit. The pushing unit can be displaced relative to the chassis component in a first direction and a second direction, whereby the spring-absorber unit has a greater spring rate during a movement of the pushing unit in the first direction than in the second direction. | 11-29-2012 |
| 20130062164 | MATERIAL CONVEYOR SYSTEM FOR A ROAD PAVER AND FEEDER - The invention relates to a material conveyor system ( | 03-14-2013 |
| 20130092512 | BELT CONVEYOR DEVICE - A belt conveyor for a road-finishing machine or a charger. The belt conveyor includes a conveyor belt in which a displaceably mounted support element abuts the conveyor belt, and a first and a second piston cylinder unit operate to displace the support element. The first and the second hydraulic piston cylinder units can be pressurised independently of each other in order to move the support element into a desired inclined position. If the conveyor belt of the belt conveyor runs laterally away from the support element, the out-of-true running of the conveyor belt can be counteracted by an inclined position of the support element which moves the conveyor belt back into its original position. | 04-18-2013 |
| 20130121765 | CHARGING VEHICLE - The invention relates to a charging vehicle ( | 05-16-2013 |
| 20130142572 | ROAD FINISHING MACHINE - In a road finishing machine with a screed having a hydraulically movable extendable screed part, an electronic control device and a control panel linked to the control device and including an actuation instrument manually movable by the operator for adjusting the value of a control current for a proportional magnet of at least one proportional control valve and which can adjust the speed of a hydraulic movement actuator of the extendable screed part, a maximum value of kinetic resistance noticeable by the operator can be generated within the movement path of the movement actuator for adjusting either a predetermined movement speed or a transition between two different movement speeds of the movement actuator of the extendable screed part. | 06-06-2013 |
| 20130258567 | EXTERNAL CONTROL STAND FOR A CONSTRUCTION MACHINE - An external control stand for controlling at least one working component of an self-propelled construction machine comprises at least one display panel and a plurality of input elements, the external control stand comprising at least one mounting section to mount it to the construction machine. The external control stand is characterized in that it comprises a lower shell, an upper shell, and an impact protection, the impact protection being configured to be in contact with the lower shell and the upper shell. | 10-03-2013 |
| 20130287495 | ROAD FINISHER WITH AUTOMATIC ENGINE CONTROLLER - The invention relates to a self-propelling machine for processing bituminous or concrete pavement material, in particular a road finisher or a feeder. The machine comprises an internal combustion engine as a primary drive source, a controller for the engine, said controller receiving control signals, at least one additional drive unit for functional and operational components of the machine as well as at least one hydraulic circuit comprising a hydraulic medium reservoir. The invention is characterized in that the controller is configured for automatically causing starting and/or stopping of the engine in response to receipt of at least one specific control signal. | 10-31-2013 |
| 20130322964 | ROAD FINISHING MACHINE AND METHOD FOR LAYING MIXED MATERIAL WITH A ROAD FINISHING MACHINE - In a road finishing machine comprising at least one screed, a machine control, and a ventilation system including a fan, the fan can be switched on or off via the machine control automatically independent of the operator and exclusively depending on demand. According to the invention, before or during the laying operation, a defined demand for the operation of the ventilation system is determined, and during or for the laying operation, the ventilation system is operated independent of the operator and automatically, and optionally power-controlled, upon determination of the defined demand. | 12-05-2013 |
| 20140086685 | CONSTRUCTION MACHINE WITH MATERIAL CONVEYING SYSTEM - A construction machine according to the disclosure comprises a material hopper for receiving bulk material. Moreover, the construction machine includes a material conveying system for conveying bulk material. The material conveying system comprises at least one conveying screw in the area of the hopper. A gap extends underneath the at least one conveying screw, and the gap has a cross section that varies in a conveying direction of the at least one conveying screw. | 03-27-2014 |
| 20140120822 | CONSTRUCTION MACHINE WITH MACHINE COMPONENT - A construction machine according to the disclosure comprises a primary drive configured to generate waste heat and one or a plurality of machine components, the machine components being arranged in the area of the primary drive of the construction machine. At least one of the machine components is arranged in a housing including at least one flow passage through which ambient air is sucked using underpressure or which can have ambient air supplied thereto using overpressure so that an air current is created. | 05-01-2014 |
| 20140165693 | CONSTRUCTION MACHINE WITH SETUP ASSISTANCE SYSTEM FOR A SENSOR UNIT - A construction machine includes a sensor unit having a measurement range. The sensor unit is variable in its orientation relative to the construction machine, whereby position or orientation of the measurement range relative to the construction machine is also variable. The sensor unit is configured for detecting position of an external reference. The construction machine further includes a setup assistance system including a display configured to indicate to an operator while the sensor unit is oriented relative to the reference in which direction the sensor unit has to be moved in order for the reference to be located in the measurement range. The sensor unit is configured to detect a position of the reference relative to the sensor unit in at least two dimensions, and the display is configured to display the position of the reference relative to the measurement range for the at least two detected dimensions simultaneously. | 06-19-2014 |
| 20140305717 | TRACK-SUPPORTING ROLLER ASSEMBLY FOR A CRAWLER CHASSIS - A track-supporting roller assembly, according to the disclosure, for supporting a crawler track of a crawler chassis includes a bearing unit and a track-supporting roller rotatably coupled to the bearing unit. The track-supporting roller includes at least one supporting body made of plastic. The supporting body serves as a damper and prevents a metal-on-metal contact between track chain links of the crawler track and the track-supporting roller. The track-supporting roller assembly according to the disclosure ensures a reduced noise development in the crawler chassis. At the same time, it is possible to also reduce the wear of the track-supporting rollers to a considerable extent. | 10-16-2014 |
| 20140308074 | ROAD FINISHING MACHINE WITH A THERMOGRAPHIC DEVICE - The present disclosure relates to a road finishing machine with a thermographic device releasably fixed to a portion of the machine for recording a georeferenced thermographic data record of at least one region of a pavement layer. The thermographic device includes a housing in which a detection unit for detecting a thermographic data record and a further detection unit for detecting a space-related data record for the thermographic data record are disposed. | 10-16-2014 |
| 20140363230 | PAVING SCREED FOR A ROAD FINISHER - The disclosure relates to a paving screed to be employed on a road finisher. The paving screed according to the disclosure comprises a base screed, the operating width of which may be modified by protractable extending units and/or separate removable bolt-on extensions. The paving screed also includes a plurality of side plates, each being mountable on an outer end of the base screed or an extending unit or a bolt-on extension and which delimit the operating width. At least one reference element for determining the operating width is provided on one of the side plates, and that the at least one reference element is detectable by one or more sensor units when the side plates are each mounted on the outer ends of the base screed, an extending unit or a bolt-on extension. | 12-11-2014 |
