Abstract:
An electric device including windings (5, 6) and magnetic cores (3, 4), the device further including an encapsulating plastic encasement which includes an inner part (2) and an outer part (1), the inner part being (2) an inner insulating resin composition (2) of thermosetting material encapsulating components (3, 4, 5, 6) of the device, and the outer part being a shell (1) of a thermoplastic material which at least partly encloses the resin composition in contact therewith. Some components of the device are located in inner boxes (7, 7a, 7b) encapsulated by the inner insulating resin composition (2). The invention also relates to a method for manucaturing such a device. According to the method the shell is used as the mould form when moulding the insulating resin composition, and some components of the device are placed in boxes before inserting them into the shell.
Abstract:
A nozzle device (1) for a spray applicator (10) for applying electrically conducting fluid materials (3) with a high voltage application apparatus or system based on atomization technique, said nozzle device (1) having a tubular inner shape and being arranged to conduct a non-electrically-conducting gas flow (7) in the center of the nozzle and conduct the fluid materials (3) in a fluid cylinder surrounding the gas flow (7) towards a discharge orifice (5), such that a flowing annular fluid sheet (3b) is provided, wherein said nozzle device (1) comprises a plurality of groves (11) extending in a longitudinal direction (L) of the nozzle device (1), said grooves (11) being arranged to divide the annular fluid sheet (3b) into fluid ligaments (13) such that fluid droplets (15) are produced at the exit of the discharge orifice (5)..
Abstract:
To minimize contamination and improve cleanability of an apparatus (1) for electrostatically coating workpieces, the external surfaces of the apparatus are coated with a hydrophobic and hard coating.
Abstract:
A device for electric connection to an energy supply conductor (101) for medium and/or high voltage, comprising a voltage-carrying element (106) with an outer periphery (108), and a tubular outer shell (104) with an inner periphery (110), the outer shell (104) being formed by a polymer, and along at least a part of the axial extension of the element (106) the outer shell (104) extends axially with a space (124) between its inner periphery (110) and the outer periphery (108) of the element (106), at least along a section of said part of the axial extension of the element (106) the space (124) is filled with a filler (128) of an electrically insulating material other than that of the outer shell (104). The device is characterized in that the outer shell (104) comprises connection means for connecting the outer shell (104) to the element (106), and in that the connection means are adapted to provide a press-fit between the outer shell (104) and the element (106). An electric installation including the device, and a method for producing the device.
Abstract:
An adhesive pad (11, 21, 51, 71, 91) comprising a plurality of flexible micro or nano pillars (12, 22, 52, 72, 92) arranged on its outer surface (13, 23, 53, 73, 93), wherein each one of said pillars is arranged with one end attached to said outer surface and the other end extending in a direction away from said outer surface, and has an essentially flat top surface (27, 57, 77, 97) which is inclined so that the normal to said top surface deviates from the longitudinal direction of the pillar, wherein the top surface of each one of said pillars is inclined so that the normal to the top surface is directed away from a line being normal to the outer surface and emanating from a centre point (13c, 23c, 53c, 93c) on the outer surface.
Abstract:
A device for electric connection to an energy supply conductor (101) for medium and/or high voltage, comprising a voltage-carrying element (106) with an outer periphery (108), and a tubular outer shell (104) with an inner periphery (110), the outer shell (104) being formed by a polymer, and along at least a part of the axial extension of the element (106) the outer shell (104) extends axially with a space (124) between its inner periphery (110) and the outer periphery (108) of the element (106), at least along a section of said part of the axial extension of the element (106) the space (124) is filled with a filler (128) of an electrically insulating material other than that of the outer shell (104). The device further comprises at least one guiding element (136, 502, 602) for guiding the electric field produced by the voltage-carrying element (106), the guiding element (136, 502, 602) being at least partly conductive, and the guiding element (136, 502, 602) is provided in said space (124). An electric installation including the device, and a method for producing the device.
Abstract:
A device for electrostatically coating a work piece (2), the device includes an atomizer (1) for atomizing a liquid containing abrasive elements, wherein the atomizer (1) comprises an atomizing member (3) adapted to atomize the liquid into a mist (4), and a distribution unit (7), which is provided with one or more outlets (5) for the liquid, for distributing the liquid to the atomizing member (3), characterized in that at least a part of the atomizer (1) is provided with a coating (10) of pure diamond like carbon (DLC) adapted to protect the atomizer (1) from abrasive wear caused by the abrasive elements in the liquid.
Abstract:
High temperature vulcanized silicone rubber with improved tracking and erosion resistance, wherein said high temperature vulcanized silicone rubber comprises a high temperature vulcanized silicone rubber as a silicone base and melamine cyanurate as a filler and at least one inorganic filler which is different from melamine cyanurate, and optionally further additives; wherein the total filler content is within the range of 40 parts (by weight) to 230 parts (by weight) per 100 parts (by weight) of silicone base; and wherein: i) the melamine cyanurate is present within the range of 2 parts (by weight) to 40 parts (by weight) per 100 parts (by weight) of silicone base; and ii) the at least one inorganic filler which is different from melamine cyanurate is selected from inorganic fillers known to be used in the field of electrical insulations; and shaped articles made therefrom.