Abstract: A filter device for ambient air filtration has a blower housing with air inlet and air outlet. A device for generating an air flow is arranged in the blower housing and generates an air flow in operation from air inlet to air outlet. A flexible air conducting hose is provided with a first open end connected to the air outlet of the blower housing and with a second closed end. The flexible air conducting hose has openings arranged between first open end and second closed end. Filter elements are arranged in the openings, respectively. The filter elements separate a raw side inside the air conducting hose from a clean side downstream of the filter element. The air conducting hose is inflated in operation of the device by the air flow. The flexible air conducting hose has a reduced air permeability compared to the air permeability of the filter elements.

Abstract: An outdoor air purifier includes a housing including at least one housing cover part, a mounting base, at least one flow inlet for outdoor air to be purified, at least one flow outlet for cleaned air, and an inner clean air space, a fan having a standing rotational axis and arranged within the housing, wherein the at least one flow inlet is arranged radially with regards to the standing rotational axis, and the at least one flow outlet is arranged axially with regards to the standing rotational axis, and at least one filter element at least partially surrounding the inner clean air space. The fan is displaced axially from the mounting base and is in fluid connection with the inner clean air space. The at least one filter element extends essentially parallel to the standing rotational axis.

Abstract: A filter element for filtering fluid has a fold pack formed of a filter medium folded in a zigzag shape or corrugated shape and provided with fold sections delimited by fold edges. The fold sections include at least two directly neighboring fold sections connected to each other by an adhesive connection of an adhesive material and extending along an adhesive line. The adhesive line extends at least in sections obliquely to the fold edge positioned between the at least two directly neighboring fold sections or the adhesive line extends offset along the fold edge positioned between the at least two directly neighboring fold sections. A filter element with one or more adhesive walls of an adhesive material extending within the fold pack and formed by adhesive connections of directly neighboring fold sections of the fold pack is provided. A method for producing such filter elements is provided.

Abstract: In a method for molding a sealing device onto an end fold of a pleated bellows, wherein the end fold comprises an outer side and an inner side, the pleated bellows arranged in a casting shell assembly is embedded in a curable sealing material, limited at a rim of the pleated bellows by a casting chamber formed by the casting shell assembly. Expansion of the curable sealing material is reduced or prevented by a limitation element contacting the inner side of the end fold. A casting shell assembly has top and bottom casting shell parts forming a casting chamber to mold a sealing device onto the end fold of the pleated bellows by a sealing material. The bottom casting shell part has a channel for receiving the sealing material. The channel has an upwardly projecting limitation element for engaging an inner side of the end fold.

Abstract: A road vehicle with a vehicle frame and a rear axle connected to the vehicle frame is provided with an ambient air purification device with filter elements for removing dust, particulate matter, and gases from ambient air. The ambient air purification device is arranged transverse to a longitudinal vehicle axis in an exterior region of the road vehicle at a vehicle rear of the road vehicle in an underfloor region such that at least the filter elements are arranged behind the rear axle of the road vehicle in a travel direction of the road vehicle. The ambient air purification device is received in an installation space of the vehicle frame. The ambient air purification device is flowed through in longitudinal vehicle direction. A free outflow zone of the ambient air purification device is arranged, in travel direction of the road vehicle, behind the ambient air purification device.

Abstract: A filter device for ambient air filtration has a blower housing with air inlet and air outlet. A device for generating an air flow is arranged in the blower housing and generates an air flow in operation from air inlet to air outlet. A flexible air conducting hose is provided with a first open end connected to the air outlet of the blower housing and with a second closed end. The flexible air conducting hose has openings arranged between first open end and second closed end. Filter elements are arranged in the openings, respectively. The filter elements separate a raw side inside the air conducting hose from a clean side downstream of the filter element. The air conducting hose is inflated in operation of the device by the air flow. The flexible air conducting hose has a reduced air permeability compared to the air permeability of the filter elements.

Abstract: An environmental air cleaning device for a road vehicle removes dust, particulate matter, and/or gases from environmental air. The environmental air cleaning device has one or more filter elements. The environmental air cleaning device is provided with a mounting device that rigidly couples to a vehicle-side mounting device for roof loads. A road vehicle with such an environmental air cleaning device is provided.

Abstract: A train station has at least one transportation route for traffic of vehicles, wherein the at least one transportation route is provided with a vehicle tunnel. At least one public waiting area is arranged adjacent to the at least one transportation route. An enclosure is provided in which the at least one public waiting area is arranged, wherein the enclosure has at least one side wall. At least one ambient air purification arrangement for purifying ambient air is provided that has one or more filter units for separating solid, liquid or gaseous ambient air pollutants from the ambient air. The one or more filter units are arranged at and/or in the at least one side wall of the enclosure.

Abstract: A filter medium for filtration of a gaseous medium is provided with a carded nonwoven layer and a filter paper layer arranged as a neighboring filter layer at an outflow side of the carded nonwoven layer. The carded nonwoven layer has a first air permeability and the filter paper layer has a second air permeability, wherein the first air permeability of the carded nonwoven layer is higher than the second air permeability of the filter paper layer. In a filter element with such a filter medium, the filter medium is folded to a folded filter medium with folds with a fold spacing of more than 3.5 mm and a fold height of between 10 mm to 60 mm.

Abstract: A road vehicle with a vehicle frame and a rear axle connected to the vehicle frame is provided with an ambient air purification device with filter elements for removing dust, particulate matter, and gases from ambient air. The ambient air purification device is arranged transverse to a longitudinal vehicle axis in an exterior region of the road vehicle at a vehicle rear of the road vehicle in an underfloor region such that at least the filter elements are arranged behind the rear axle of the road vehicle in a travel direction of the road vehicle. The ambient air purification device is received in an installation space of the vehicle frame. The ambient air purification device is flowed through in longitudinal vehicle direction. A free outflow zone of the ambient air purification device is arranged, in travel direction of the road vehicle, behind the ambient air purification device.

Abstract: An environmental air cleaning device for a road vehicle removes dust, particulate matter, and/or gases from environmental air. The environmental air cleaning device has one or more filter elements. The environmental air cleaning device is provided with a mounting device that rigidly couples to a vehicle-side mounting device for roof loads. A road vehicle with such an environmental air cleaning device is provided.

Abstract: An ambient air purification device for a road vehicle for removing dust, particulate matter, and/or gases from ambient air has one or more filter elements. The ambient air purification device is attachable in an external region to a vehicle rear of the road vehicle by a releasable coupling. The ambient air purification device has at least one mating coupling of the releasable coupling, wherein the at least one mating coupling is coupled to a vehicle-side coupling component of the releasable coupling. A road vehicle provided with such an ambient air purification device is provided.

Abstract: A cutting tool for performing cutting operations on a workpiece when the cutting tool is rotated about a central axis by a machine tool, the cutting tool includes a generally cylindrical body disposed about the central axis. The generally cylindrical body includes a first end and an opposite second end. The cutting tool further includes a cutting portion and a mounting portion. The cutting portion is disposed at or about the first end of the generally cylindrical body and includes a number of cutting edges structured to engage the workpiece during cutting operations. The mounting portion is disposed at or about the opposite second end of the generally cylindrical body and is structured to be coupled to the machine tool. At least a portion of the generally cylindrical body comprises a molded portion formed via a molding process about the cutting portion in a manner that couples the cutting portion to the generally cylindrical body.

Abstract: A steam turbine has a single-shell turbine casing and specific inner casings arranged inside the turbine casing. The steam turbine has a turbine casing with an outer wall, a turbine shaft mounted rotatably about a turbine axis in the turbine casing, a first turbine part, and at least one second turbine part which is arranged downstream of the first turbine part in the axial direction of the turbine shaft, wherein the expansion direction for steam conducted through the steam turbine runs from the first turbine part to the second turbine part, wherein between the first turbine part and the second turbine part, a sealing shell is arranged on the turbine casing, in particular on the inner side of the outer wall for rotation therewith, the sealing shell being formed in a sealing manner with respect to the turbine shaft via sealing elements.

Abstract: A cutting tool for performing cutting operations on a workpiece when the cutting tool is rotated about a central axis by a machine tool, the cutting tool includes a generally cylindrical body disposed about the central axis. The generally cylindrical body includes a first end and an opposite second end. The cutting tool further includes a cutting portion and a mounting portion. The cutting portion is disposed at or about the first end of the generally cylindrical body and includes a number of cutting edges structured to engage the workpiece during cutting operations. The mounting portion is disposed at or about the opposite second end of the generally cylindrical body and is structured to be coupled to the machine tool. At least a portion of the generally cylindrical body comprises a molded portion formed via a molding process about the cutting portion in a manner that couples the cutting portion to the generally cylindrical body.

Abstract: A cutting tool for performing cutting operations on a workpiece. The cutting tool includes a generally cylindrical body disposed about a central axis. The generally cylindrical body includes a first end and an opposite second end. The cutting tool further includes a cutting portion and a mounting portion. The cutting portion is disposed at or about the first end of the generally cylindrical body and includes a number of cutting edges structured to engage the workpiece during cutting operations. The mounting portion is disposed at or about the opposite second end of the generally cylindrical body and is structured to be coupled to the machine tool. At least a portion of the generally cylindrical body comprises a molded portion formed via a molding process about the cutting portion in a manner that couples the cutting portion to the generally cylindrical body.

Abstract: A steam turbine has a single-shell turbine casing and specific inner casings arranged inside the turbine casing. The steam turbine has a turbine casing with an outer wall, a turbine shaft mounted rotatably about a turbine axis in the turbine casing, a first turbine part, and at least one second turbine part which is arranged downstream of the first turbine part in the axial direction of the turbine shaft, wherein the expansion direction for steam conducted through the steam turbine runs from the first turbine part to the second turbine part, wherein between the first turbine part and the second turbine part, a sealing shell is arranged on the turbine casing, in particular on the inner side of the outer wall for rotation therewith, the sealing shell being formed in a sealing manner with respect to the turbine shaft via sealing elements.

Abstract: A cutting tool for performing cutting operations on a workpiece when the cutting tool is rotated about a central axis by a machine tool, the cutting tool includes a generally cylindrical body disposed about the central axis. The generally cylindrical body includes a first end and an opposite second end. The cutting tool further includes a cutting portion and a mounting portion. The cutting portion is disposed at or about the first end of the generally cylindrical body and includes a number of cutting edges structured to engage the workpiece during cutting operations. The mounting portion is disposed at or about the opposite second end of the generally cylindrical body and is structured to be coupled to the machine tool. At least a portion of the generally cylindrical body comprises a molded portion formed via a molding process about the cutting portion in a manner that couples the cutting portion to the generally cylindrical body.

Abstract: The invention relates to a method for lateral alignment of a substrate for photolithography, wherein the substrate's back side has a reference mark and the substrate front side is coated with a photoresist. The method includes the steps of: retrieving the reference mark on the substrate's back side, applying an alignment mark on the front side of the substrate by means of a first exposure of the photoresist with electromagnetic radiation to provide an undeveloped alignment mark, the undeveloped alignment mark being laterally positioned on the photoresist with respect to the reference mark on the substrate's back side, aligning the substrate by making use of the undeveloped alignment mark, applying a further manufacturing process on the front side of the aligned substrate.