Abstract: A method pertaining to an HC dosing system for exhaust cleaning for an engine which comprise a dosing unit (250) for fuel. After cessation of an exhaust flow, deciding about a need to cool the fuel dosing unit by use of fuel. Predicting a temperature pattern of the dosing unit (250) as a basis for deciding. Predicting whether a predetermined temperature of the dosing unit (250) will be reached after exhaust flow cessation. Also a computer programme product containing programme code (P) for implementing the method. Also an HC dosing system and a motor vehicle which is equipped with the HC dosing system are disclosed.

Abstract: A method pertaining to an SCR system for exhaust cleaning, includes deciding about a need, after cessation of an exhaust flow, to cool a reducing agent dosing unit (250) by a reducing agent supplied to it, and includes predicting a temperature pattern of the dosing unit (250) as a basis for deciding about the need and predicting whether a predetermined temperature of the dosing unit will be reached after cessation of exhaust flow. Also a computer programme product containing programme code (P) for implementing the method, an SCR system and a motor vehicle which is equipped with the SCR system are disclosed.

Abstract: A method pertaining to a liquid supply system which supplies liquid to a feed device (230) via which liquid is supplied to at least one consumption point (250): Determining presence of air supplied upstream to the feed device (230), and, when presence of air is found, of reducing operating power of the feed device (230) compared with ordinary operation. Also a computer programme product containing programme code (P) for a computer (200; 210) for implementing the method. Also a device and a motor vehicle (100) which is equipped with the device.

Abstract: A method pertaining to an HC dosing system in which fuel in liquid form is supplied to a feed device (230) via which fuel is supplied from a container (205) to at least one consumption point (250) continuously detecting the feed pressure (P) which the feed device (230) furnishes. Also, the step of controlling the operation of the feed device (230) on the basis of changes (P?) in the feed pressure (P), to reduce the impact of unwanted air supply at the feed device (230). Also a computer programme product containing programme code (P) for a computer (200; 210) for implementing the method. Also an HC dosing system and a motor vehicle (100) which is equipped with the HC dosing system are disclosed.

Abstract: A method for cooling a dosing unit (250) pertaining to an SCR system for exhaust cleaning, wherein after cessation of exhaust flow, cooling a reducing agent dosing unit (250) by a reducing agent supplied to it. Also running a feed device to supply the coolant reducing agent at reduced power, compared with ordinary operation. A computer programme product containing programme code (P) for a computer (200; 210) implements a method of the invention. Also an SCR system and a motor vehicle which is equipped with the SCR system are disclosed.

Abstract: A method pertaining to an SCR system in which reducing agent in liquid form is supplied to a feed device (230) and via which feed device reducing agent is supplied to at least one consumption point (250) from a container (205): the steps of continuously detecting the feed pressure (P) which the feed device (230) furnishes, and controlling the operation of the feed device (230) on the basis of changes (P?) in the feed pressure (P), with the object of reducing the impact of unwanted air supply at the feed device (230). Also pertaining to a computer programme product containing programme code (P) for a computer (200; 210) for implementing a method according to the invention. Also an SCR system and a motor vehicle which is equipped with the SCR system are disclosed.

Abstract: A method pertaining to an HC dosing system wherein fuel from a container (205) is supplied to a feed device which supplies to at least one consumption point (250). Determining presence of air supplied upstream of the feed device (230). When such presence is found reducing an operating power of the feed device (230) compared with its ordinary operation. A computer programme product containing programme code (P) for a computer (200; 210) for implementing the method. Also an HC dosing system and a motor vehicle (100) which is equipped with the HC dosing system are disclosed.

Abstract: A method for cooling a dosing unit (250) pertaining to HC dosing system for exhaust cleaning. The dosing unit (250) for fuel and a feed device (230) to supply fuel for cooling. The steps include cooling a fuel dosing unit (250) by fuel supplied to intermittently, in mutually successive respective periods of zero operating power of the feed device, or running at certain operating powers by running a fuel feed device (230) at reduced power compared with ordinary operation. A computer programme product containing programme code (P) for a computer (200; 210; 500) for implementing the method. An HC dosing system. A motor vehicle equipped with the system.

Abstract: A method for cooling a dosing unit pertaining to an HC dosing system for exhaust cleaning. The unit includes a dosing unit (250) for fuel and a feed device (230) for fuel for cooling the fuel dosing unit (250) using fuel supplied to it, and running the feed device (230) to supply coolant fuel at reduced power. Also a computer program product containing program code (P) for implementing the method. Also an HC dosing system and a motor vehicle equipped with the system.

Abstract: A method for cooling a dosing unit (250) pertaining to an SCR system for exhaust cleaning: after cessation of exhaust flow, cooling a reducing agent dosing unit (250) by reducing agent supplied to the unit. Intermittently running a feed device (230) to supply reducing agent, and running the feed device (230) at reduced power compared with its ordinary operation. Also a computer programme product containing programme code (P) for a computer (200; 210) for implementing the method.

Abstract: The invention relates to a mixer for mixing a liquid in a basin, comprising a first mixer element turnable around a first axis of rotation. Furthermore, said mixer (1) comprises a second mixer element (3) turnable around a second axis of rotation, the first mixer element (2) and the second mixer element (3) being connected to each other by means of a connector (4), which is arranged to provide joint turning of the first mixer element (2) and the second mixer element (3), and that the output of at least one of said first mixer element (2) and said second mixer element (3) is adjustable. The invention also relates to a method for mixing a liquid in a basin.

Abstract: A method for an industrial robot to increase accuracy in movements of the robot. A first path is formed by bringing a tool supported by the robot to adopt a plurality of generated positions. A plurality of observed positions of the tool moving along the first path are determined. A second path is formed of the determined tool positions. A correction is determined by a path deviation between geometrically determined positions in the first path and the second path.

Abstract: A method in an industrial robot for increasing the accuracy in the movements of the robot, where a tool supported by the robot is brought to adopt a plurality of positions generated by the control system, which are each determined by a measuring system, whereby a deviation between the generated position and the position determined by the measuring system is introduced as a correction in the control system for adjusting the movement. The generated positions and the positions determined by the measuring system, respectively, are adapted to form a first path an a second path, respectively, whereby the correction is determined by a path deviation between geometrically calculated positions in the respective path.

Abstract: The invention concerns a device for sealing off a ring-formed opening between the rings in a ball bearing. According to the invention the device is designed like a washer (9) comprising an outer flange (10) and an inwardly protruding waist (11), which ends with a contact surface (12) arranged to bear against the inner ring (5) of the ball bearing. The waist (11) will then cover the distance between the inner and outer rings of the ball bearing. The washer (9) is attached to and sealed against a surrounding bearing housing (7).

Abstract: The present invention relates to a device at counterweight lift trucks (1) for giving the operator a substantially free field of view in the driving direction (F). A lifting device (11) comprises a vertically movable frame (13) which is mounted on a fixed frame (12) and which includes a lifting carriage (14). The counterweight lift truck (1) comprises an operator's cabin (9) with a seat (10) for the operator. The frames (12, 13) are, seen in the driving direction (F), located behind a vertical plane (A) which is transverse relative to the driving direction (F) and in which front wheels (3, 4) of the counterweight lift truck (1) are situated. The frames (12, 13) lack transverse beams beneath upper transverse beams (18, 21). The operator's cabin (9) is located immediately behind the frames (12, 13) and there are support devices which replace transverse beams beneath the upper transverse frame beams (18, 21).

Abstract: The invention concerns a device for sealing off a ring-formed opening between the rings in a ball bearing.

Abstract: A pump has a housing which is used as a foundation and comprises a working space for product-feeding units. The bearing axles of the units are arranged in bearing sleeves and introduced into the pump housing from the rear so that the axles extend, via front recesses in the pump housing, into the working space for interaction with the units. Sliding ring seals are arranged at the front recesses in order to seal off the working space from the rear of the pump. The pump housing is provided with a removably fitted front gable in order to permit access to the sliding ring seals from the front end of the pump housing. The pump housing is designed as a seat for the rotationally fixed part of each sliding ring seal and interacts with an element which fixes the axial displacement for the rotationally fixed part. The seat and the rotationally fixed part are arranged for simple introduction into and for removal from the seat of the rotationally fixed part.

Abstract: A connector system for coupling the electrical and brake systems of a tractor vehicle with those of a trailer to be towed by the tractor vehicle. The coupling is done automatically at the time the tractor vehicle couples to the trailer. The connector system has a female receptacle having therein connectors from the electrical and braking systems to the trailer. A male unit having therein connectors from the electrical and braking systems of the tractor is lifted automatically vertically for insertion into the female receptacle. When the insertion is made the various connector carry out connections connecting the electrical and braking system of the tractor vehicle to those of the trailer.