The invention relates to an emission tip assembly (100) on high-voltage electrodes for charging or discharging substrates, comprising at least one emission tip (1) and a carrier body (7) comprised of an insulating material, which has at least one high-resistance series resistor (13), wherein the at least one emission tip (1) can be connected to a high-voltage connection (14) by means of the series resistor (13). In order to have available an assembly of emission tips which, despite protrusion from the carrier body (7) thereof to an extent in principle and despite the metal profiled element (10, 10a) provided with the insulating potting mass (6), causes no injuries in the event of unintentional and intentional contact and thus permits safe handling together with high efficiency of the assembly, the emission tip (1) is formed of a spring metal and forms an elastic spring element, and a free end of the emission tip (1) is freely spaced apart from the carrier body (7), the particular metal profiled element (10, 10a) and the insulating potting mass (6), as a corona tip (2). In addition the range effect of a discharge electrode is improved by the guiding of an auxiliary air quantity (15) directly to the corona tip (2).

An ignition system (10) comprises a high voltage transformer (12) comprising a primary winding (12.1) and a secondary winding (12.2). A primary resonant circuit (26) is formed by the primary winding (12.1) and a primary circuit capacitance (24). A secondary resonant circuit (16) is formed by an ignition plug (14), as a load, the secondary winding (12.2); the ignition plug (14) being represented by a secondary circuit capacitance (18) and a secondary circuit load resistance (Rp) put in parallel. Said load resistance value varies during an ignition cycle. The primary resonant circuit (26) and the secondary resonant circuit (16) have a common mode resonance frequency (f.sub.c) and a differential mode resonance frequency (f.sub.d). A controller (28) is configured to cause a drive circuit (22) to drive the primary winding at a frequency, which is either the common-mode resonance frequency (f.sub.c) or the differential mode resonance frequency (f.sub.d) and is connected to a feed-back circuit (50) to adapt the frequency of the primary winding to the variable load resistance.

An ignition system (10) comprises a high voltage transformer (12) comprising a primary winding (12.1) and a secondary winding (12.2). A primary resonant circuit (26) is formed by the primary winding (12.1) and a primary circuit capacitance (24). A secondary resonant circuit (16) is formed by an ignition plug (14), as a load, the secondary winding (12.2); the ignition plug (14) being represented by a secondary circuit capacitance (18) and a secondary circuit load resistance (Rp) put in parallel. Said load resistance value varies during an ignition cycle. The primary resonant circuit (26) and the secondary resonant circuit (16) have a common mode resonance frequency (f.sub.c) and a differential mode resonance frequency (f.sub.d). A controller (28) is configured to cause a drive circuit (22) to drive the primary winding at a frequency, which is either the common-mode resonance frequency (f.sub.c) or the differential mode resonance frequency (f.sub.d) and is connected to a feed-back circuit (50) to adapt the frequency of the primary winding to the variable load resistance.

A discharge device includes a power supply device supplying AC power for generating a discharge in a clearance to a discharge load having a high-voltage electrode and a grounding electrode arranged to face the high-voltage electrode with the clearance and connected to a ground GND and having a connection state detector detecting a connection state of an output path of AC power, and a controller controlling the power supply device by determining the existence of an abnormality in the connection state and deciding whether AC power can be supplied or not. In the case where a disconnection or a connection failure occurs in the output path of AC power to be supplied from the discharge device to the discharge load, apparatuses included in the discharge device are protected from damage as well as occurrence of a secondary disaster can be prevented and suppressed.

A discharge device includes a power supply device supplying AC power for generating a discharge in a clearance to a discharge load having a high-voltage electrode and a grounding electrode arranged to face the high-voltage electrode with the clearance and connected to a ground GND and having a connection state detector detecting a connection state of an output path of AC power, and a controller controlling the power supply device by determining the existence of an abnormality in the connection state and deciding whether AC power can be supplied or not. In the case where a disconnection or a connection failure occurs in the output path of AC power to be supplied from the discharge device to the discharge load, apparatuses included in the discharge device are protected from damage as well as occurrence of a secondary disaster can be prevented and suppressed.

Ozone generator (1) for generating ozone comprising at least one high voltage electrode HVE (2), two low voltage electrodes LVE (3), at least one dielectric (4) and an electric isolator (25) placed in an area between the two LVE (3′, 3″). The generator (1) further comprises a first gap (7) and a second gap (8) and at least one of the gaps (7, 8) is a corona chamber. The at least one dielectric (4) comprising a first surface (9) is turning towards a HVE-surface (22) and an opposite second surface (10) is turning towards a first surface (17) of one of the LVE (3). The second surface (10) of the dielectric (4) is directly or indirectly supported in its full extension by the first LVE-surface (17), and at least one of the gaps (7, 8) is placed between the first surface (9) of the dielectric (4) and a first HVE-surface (22), said gap is a corona-chamber adapted to develop ozone.

The present invention relates to a molten metal plated steel sheet manufacturing method for cooling a molten galvanized layer with high efficiency when manufacturing a molten galvanized steel sheet, and the purpose of the present invention is to provide a method for manufacturing a molten galvanized plating, wherein a molten galvanized steel sheet having an aesthetically pleasing surface without fitting defects, drop mark defects, and linear comb-pattern defects can be stably obtained by cooling a galvanized layer with high efficiency during a molten metal plated steel sheet manufacturing process. This method for manufacturing a molten galvanized steel sheet having excellent surface properties is characterized by comprising the steps in which a molten galvanized layer is formed on the surface of a steel sheet while the steel sheet passes through a galvanizing pot, the thickness of the galvanized layer formed on the surface of the steel sheet is adjusted while the steel sheet passes through a gas wiping device, the steel sheet that has had the thickness of the galvanized layer adjusted undergoes a primary cooling while passing through a bottom cooler, and the galvanized steel sheet that has undergone the primary cooling undergoes a secondary cooling while passing through a cooling chamber, wherein: the primary cooling is performed with cooling air blown from the bottom cooler until right before a galvanizing solution of the galvanized layer attached to the surface of the steel sheet becomes solidified, the amount of air blown being adjusted according to the temperature of the galvanized layer attached to the surface of the steel sheet; and the secondary cooling is performed with ionic air generated from an ionic air generator provided in the cooling chamber and a spray solution sprayed from a solution atomization part, the secondary cooling being performed from the start of the solidification of the galvanizing solution until the end of the solidification, and the cooling chamber cooling the galvanized steel sheet while moving up and down according to the temperature of the galvanized layer attached to the surface of the galvanized steel sheet.

An ionizing device is described, comprising a tubular bulb made of electrically insulating or dielectric material extending along a longitudinal reference axis and having the two longitudinal open ends and opposite each other, a tubular cathode engaged in the bulb, a tubular anode fitted to the bulb, a pair of covers, each of which has a respective internal seat into which a respective end of the bulb is inserted so as to hermetically seal it, and a conductive electrode which extends into the bulb and is electrically connected to the cathode.

An ionising device is described comprising a tubular bulb of electrically insulating or dielectric material extending along a longitudinal reference axis and having the two opposite longitudinal terminal ends and open, a tubular cathode engaged in the bulb, a tubular anode fitted onto the bulb, a pair of covers coupled to a relative end of said bulb so as to hermetically close it, and a conductive electrode comprising a stem extending into said bulb, and a plurality of conductive crowns which are fitted onto the stem at predetermined distances from each other and are suitable to exert an elastic compression on the tubular cathode against the inner surface of the bulb.

An anode terminal is provided for use high voltage applications that also serves as a shield, and which reduces the overall size of the anode terminal and an enclosure containing the anode terminal. The anode terminal includes a toroid and the maximum radius of curvature that is required to provide an optimal field enhancement reduction is reserved for the section of the toroid that is closest to ground, including the walls of the enclosure. The toroid of the anode terminal has variable radii of curvature along its outer surface and is asymmetrical.