Abstract: The invention relates to an apparatus for circulating a liquid mixture of substances between a container and a pressure-sensitive component which is supplied from the container, including apparatus for circulating an ink between an ink storage container and a print head of a printing system, comprising a pump, which allows the liquid mixture of substances to circulate in the container through an external conduit circuit, a Venturi tube, the main conduit of which is connected into the external conduit circuit, and also a conduit which connects the output connection of the pressure-sensitive component to the suction connection of the Venturi tube.

Abstract: The invention is directed to a method and an apparatus for building up a workpiece layer by layer in the course of an additive manufacturing process, in particular in the form of a powder-bed process, wherein grains of a powder are fused to one another by using a binder, wherein the binder used is a heat-curable adhesive which is not applied selectively but layer by layer and which is activated and cured by a controlled energy source, in particular a laser with a controlled laser beam, and thereby fuses respectively adjacent grains of the powder.

Abstract: The invention relates to a printing method for a digital printing device, comprising a print head having a plurality of printing systems and comprising at least one control apparatus for feeding control signals to the printing systems for the production of ink drops. Each printing system has a nozzle, at least one ink chamber and an activator, e.g. a piezoelectric activator, which is associated with the at least one ink chamber, for the discharge of ink drops from the ink chamber in question via the nozzle in question onto a substrate to be printed on, as a response to a control signal. In the control apparatus, only a single waveform for the control signal having a specified time curve is stored for ink drops of all sizes, comprising, for example, optionally an initial waiting time, a first edge, followed by a first holding time, and, after the first holding time, a second, opposite edge, optionally followed by a second holding time.

Abstract: A temperature management system for a private household or public building wherein there is one hot reservoir and one cold reservoir which are or can be coupled with at least one solar collector or outdoor heat exchanger that is installed outdoors for the purpose of heating or cooling the respective reservoir.

Abstract: An apparatus (1) for providing an ink or ink-jet printer head with ink, the apparatus being equipped with:—an upstream pressure absorber (2), with the pressure absorber (2) comprising a closed damper chamber (4) that is at least partially limited by a plain damper film (3) made of a flexible material so that it reacts to a pressure difference (?p) between both areas of the film with a curved deformation;—a refill valve (5) arranged in the damper chamber (4) for refilling the damper chamber (4) with ink in a printing mode of operation as a response to a curved deformation of the damper film (3) into the damper chamber (4); and—a controllable device (6) arranged outside of the damper chamber (4) for exerting an external pressure (pc) on at least one area of the damper film (3) limiting the damper chamber (4), the controllable device (6) comprising a control chamber (36) having:—a housing (31) consisting of rigid, undeformable and pressure-resistant side walls;—one opening (37) with an area (A) which faces the a

Abstract: The invention is directed to a method and a device for the dosing of active substances for the preparation of medicaments. In the context of the dosing method, one or more active substances dissolved in a liquid are stored in a storage container, and, in order to permit dosing, a number of drops corresponding to the desired amount of active substance are forced actively through a nozzle onto a substrate or into a collecting vessel; the device used for this purpose comprises at least one storage container for storage of a liquid, and one or more active substances dissolved therein, and also a nozzle through which a number of drops corresponding to the desired amount of active substance are forced out onto a substrate or into a collecting vessel.

Abstract: The invention refers to an equipment (1) including a container (19) for the storage of a liquid (2) as well as thermal insulation panels (12,13), wherein none of the thermal insulation panels (12,13) is mounted directly on or even in contact with an outer surface of the container (19), wherein a chamber (5) housing the container (19) is delimited by an enclosure (6) consisting of walls (7), a floor (8) and a ceiling (9), and which is accessible through an access opening, either in the form of an entrance opening in one of the walls (7) closeable by a door or in the form of a manhole (11) eccentric to the center of the ceiling (9) and closeable by a lid (10), wherein the lid (10) or the door is thermally insulated at the inner side and is provided with an air-tight sealing all around, and wherein an inner surface of the chamber (5) except the access opening is entirely covered with the thermal insulation panels (12,13) in such a way that a volume of space occupied by the container (19) is smaller than a volume

Abstract: The invention refers to a wind generator onboard of a road vehicle, the wind generator comprising: at least one wind wheel which is mounted onboard of a road vehicle to be rotatable around a rotational axis, the at least one wind wheel comprising at least one or more blade configured to convert flow energy of wind into rotational energy, at least one generator, the at least one generator being coupled to a hub or shaft of the at least one wind wheel or to an output shaft of a gear connected the at least one wind wheel, the at least one generator being configured to convert the rotational energy into electrical energy, wherein a center of gravity of the wind wheel, together with a hub and rotor shaft and rotatable parts of the generator or of the gear which are coupled to the hub or rotor shaft and rotate around the same rotational axis, is translationally movable in a horizontal or approximately horizontal direction together with the road vehicle in the direction of travel, wherein the at least one generator

Abstract: The invention relates to an apparatus for circulating a liquid mixture of substances, for example a solution, emulsion or suspension, between a container and a pressure-sensitive component which is supplied from the container, for example for circulating an ink between an ink storage container and a print head of a printing system, comprising a pump, which allows the liquid mixture of substances to circulate in the container through an external conduit circuit, a Venturi tube, the main conduit of which is connected into the external conduit circuit, and also a conduit which connects the output connection of the pressure-sensitive component to the suction connection of the Venturi tube.

Abstract: A device for utilizing groundwater, characterized by an upper well shaft and an upper well water reservoir having a first water level; a lower well shaft and a lower well water reservoir having a second water level; wherein the second water level is lower than the first water level; a water line between the upper well water reservoir and the lower well water reservoir including a first line extending downwardly inside the well shaft of the upper well and into the upper well water reservoir, a second line extending downwardly inside the well shaft of the lower well and into the lower well water reservoir, and a connecting line connecting the first branch line and the second branch line; at least one turbine coupled to the water line; and an electrical generator coupled to the at least one turbine for delivering electric power to the power grid.

Abstract: A method for manufacturing printed circuit boards for electrical and electronic circuits, comprising an electrically nonconductive substrate (4) and electrically conductive tracks of homogenous thickness applied thereon, wherein the electrically conductive tracks are made of a material with a melting temperature higher than the melting temperature of soldering tin so that they will withstand the soldering of electronic components thereon by soldering tin without melting, characterized in that a print medium (3) comprising the material of the electrically conductive tracks is provided as a two-dimensional layer above the electrically nonconductive substrate (4) and is imprinted on the electrically nonconductive substrate (4) according to the desired conductor track layout, under the influence of heat selectively applied by a print head (2) onto the printing medium (3), whereby the printing medium (3) is transferred onto the substrate (4) by selectively melting or sintering the material for the electrically con

Abstract: The invention relates to a printing method for a digital printing device, comprising a print head having a plurality of printing systems and comprising at least one control apparatus for feeding control signals to the printing systems for the production of ink drops. Each printing system has a nozzle, at least one ink chamber and an activator, e.g. a piezoelectric activator, which is associated with the at least one ink chamber, for the discharge of ink drops from the ink chamber in question via the nozzle in question onto a substrate to be printed on, as a response to a control signal. In the control apparatus, only a single waveform for the control signal having a specified time curve is stored for ink drops of all sizes, comprising, for example, optionally an initial waiting time, a first edge, followed by a first holding time, and, after the first holding time, a second, opposite edge, optionally followed by a second holding time.

Abstract: The invention is directed to a device (1) and a method for adjusting printheads (2) relative to one another, the printheads each being provided with a nozzle plate having multiple nozzles for printing, and having at least one round hole and/or at least one elongated hole in this nozzle plate for manufacturing and/or assembly purposes, including and using an assembly template for multiple printheads (2), wherein, for each printhead (2), at least one counterpart is provided, preferably in the form of a pin, that fits exactly into at least one round hole and/or at least one elongated hole in the corresponding nozzle plate, so that when the printheads (2) are inserted into the assembly template in such a way that the pairs of round hole counterparts and elongated hole counterparts engage with the corresponding round holes and elongated holes in the nozzle plate, the nozzles of all printheads (2) are aligned with one another in the desired manner.

Abstract: This invention relates to a device for operating and/or cleaning an ink or ink-jet printer head equipped with an upstream pressure absorber, the pressure absorber comprises a closed damper chamber that is at least partially limited by a damper film. A refill valve is arranged in the damper chamber and is designed to refill the damper chamber with ink in response to a curvature of the damper film in the damper chamber. A controllable device is arranged outside of the damper chamber for exerting an external pressure on at least one area of the damper film limiting the damper chamber in order to open the refill valve arranged in the damper chamber and also to create a continuously open channel through the pressure absorber for cleaning the ink-jet printer head and/or to exert an adjustable pressure on the refill valve arranged in the damper chamber.

Abstract: The invention relates to a method for actuating an inkjet print head, comprising at least one printing system having a nozzle on the side of an ink chamber which faces a substrate to be imprinted, and which is delimited at least in areas, preferably in its area facing away from the print substrate, by a diaphragm that is movable away from the ink chamber by electrically actuating a piezo element that is mechanically coupled to the diaphragm, so that ink is drawn into the ink chamber from a reservoir, and the diaphragm is movable into the ink chamber so that an ink drop is ejected from the ink chamber through the nozzle, wherein the printing system made up of the ink chamber, diaphragm, piezo element, and the electronic control system thereof represents an oscillatable structure which, when actuated at high energy, is excited to oscillate at a natural frequency fres that exhibits resonance; i.e.

Abstract: Equipment (1) including a container (19) for the storage of a liquid (2) as well as thermal insulation panels (12,13), wherein none of the thermal insulation panels (12,13) is mounted directly on or even in contact with an outer surface of the container (19), wherein a chamber (5) housing the container (19) is delimited by an enclosure (6) consisting of walls (7), a floor (8) and a ceiling (9), and which is accessible through an access opening, either in the form of an entrance opening in one of the walls (7) closeable by a door or in the form of a manhole (11) closeable by a lid (10), wherein an inner surface of the chamber (5) is entirely covered with the thermal insulation panels (12,13) in such a way that a volume of space occupied by the container (19) is smaller than a volume of space delimited by the thermal insulation panels (12,13) at the inner side of the walls, the ceiling and the floor, leaving space for maintenance between the outer surface of the container (19) and the thermal insulation panels

Abstract: Temperature Management System for a private household or public building wherein there is one hot reservoir and one cold reservoir which are or can be coupled with at least one solar collector or outdoor heat exchanger that is installed outdoors for the purpose of heating or cooling the respective reservoir.

Abstract: A device for utilizing groundwater, characterized by: a) an upper well with a vertical or predominantly vertical well shaft and an upper well water reservoir having a first well water level; b) a lower well with a vertical or predominantly vertical well shaft and a lower well water reservoir having a second well water level; c) wherein the second well water level is lower than the first well water level; d) a water line between the upper well water reservoir and the lower well water reservoir comprising: a first branch line extending downwardly inside the well shaft of the upper well and into the upper well water reservoir, a second branch line extending downwardly inside the well shaft of the lower well and into the lower well water reservoir, and a connecting line extending horizontally or predominantly horizontally and connecting the first branch line and the second branch line; e) at least one turbine situated at the level of the connecting line and coupled to the water line for a rotary drive of a turbin

Abstract: The invention is directed to a device (1) and a method for adjusting printheads (2) relative to one another, the printheads each being provided with a nozzle plate having multiple nozzles for printing, and having at least one round hole and/or at least one elongated hole in this nozzle plate for manufacturing and/or assembly purposes, including and using an assembly template for multiple printheads (2), wherein, for each printhead (2), at least one counterpart is provided, preferably in the form of a pin, that fits exactly into at least one round hole and/or at least one elongated hole in the corresponding nozzle plate, so that when the printheads (2) are inserted into the assembly template in such a way that the pairs of round hole counterparts and elongated hole counterparts engage with the corresponding round holes and elongated holes in the nozzle plate, the nozzles of all printheads (2) are aligned with one another in the desired manner.

Abstract: The invention relates to fixed glazing for a building, comprising at least one glass pane, for example triple glazing. According to the invention, the glass pane is directly inserted in the adjacent building structure without interposing a frame that consists of a rigid material, and/or it is inserted in the laterally adjacent insulation of the building structure.