Plasma spray apparatus for coating substrates, including at least a working chamber including a plasma torch and at least a substrate support, in which an inert gas or a mixture of inert gases is contained at a pressure which is close to the normal pressure, and at least a gas circuit, in communication with said working chamber, including recirculating means of the inert gases contained in said working chamber. The recirculating means include a closed loop, including a blower and a first heat exchanger communicating with said working chamber for extracting the inert gases and supplying a first fraction of the cooled inert gases back into a first portion of the working chamber, and at least a path, communicating with said closed loop and including a compressor and a second heat exchanger for supplying a second fraction of the cooled inert gases into a second portion of the working chamber.

Plasma spray apparatus for coating substrates, including at least a working chamber including a plasma torch and at least a substrate support, in which an inert gas or a mixture of inert gases is contained at a pressure which is close to the normal pressure, and at least a gas circuit, in communication with said working chamber, including recirculating means of the inert gases contained in said working chamber. The recirculating means include a closed loop, including a blower and a first heat exchanger communicating with said working chamber for extracting the inert gases and supplying a first fraction of the cooled inert gases back into a first portion of the working chamber, and at least a path, communicating with said closed loop and including a compressor and a second heat exchanger for supplying a second fraction of the cooled inert gases into a second portion of the working chamber.

A method for plasma coating an object includes an object profile, having the steps of: a) manufacturing a replaceable shield comprising a jet inlet, a nozzle outlet and a sidewall extending from the jet inlet to the nozzle outlet, wherein the nozzle outlet includes an edge essentially congruent to at least part of the object profile; b) detachably attaching the replaceable shield to a jet outlet of a plasma jet generator; c) placing the object at the nozzle outlet such that the object profile fits closely to the nozzle outlet edge; d) plasma coating the object with a low-temperature, oxygen-free plasma at an operating pressure which is higher than the atmospheric pressure by providing a plasma jet in the shield via the plasma jet generator and injecting coating precursors in the plasma jet in the shield.

A method for plasma coating an object includes an object profile, having the steps of: a) manufacturing a replaceable shield comprising a jet inlet, a nozzle outlet and a sidewall extending from the jet inlet to the nozzle outlet, wherein the nozzle outlet includes an edge essentially congruent to at least part of the object profile; b) detachably attaching the replaceable shield to a jet outlet of a plasma jet generator; c) placing the object at the nozzle outlet such that the object profile fits closely to the nozzle outlet edge; d) plasma coating the object with a low-temperature, oxygen-free plasma at an operating pressure which is higher than the atmospheric pressure by providing a plasma jet in the shield via the plasma jet generator and injecting coating precursors in the plasma jet in the shield.

A method of repairing an active leak in embodiments of the present invention may include one or more of the following steps: (a) identifying the active leak on a pipe structure, tank or pressure vessel, (b) setting cold spray system settings to repair the pipe structure, (c) administering pressurized gas and metal powder to an active pipe leak, (d) identifying any potential hazards surrounding the active pipe leak, (e) eliminating and/or reducing the potential hazards surround the active pipe leak, (f) inserting a wedge within an active leak pipe hole, (g) ceasing administration of pressurized gas and metal powder to the active pipe leak when it appears sealed, (h) verifying the active pipe leak is sealed, and (i) re-administering the pressurized gas and the metal powder to the active leak is the active leak is not fully sealed.

A fine water discharge device includes a case having a flow path allowing a first space and a second space to communicate with each other, a blower which is disposed in the flow path, introduces air in the first space into the flow path, and discharges the air introduced into the flow path into the second space, a fine water generating unit which is disposed in the flow path and in which a plurality of the particles are laminated as a film-shaped conductive polymer film portion on an outer surface of a honeycomb member, and the particles are transitioned between an adsorption state where water is adsorbed and a discharge state where the adsorbed water is discharged to the air, an electrifying portion electrically connected to the honeycomb member to perform electrification, and a controller which is a control portion controlling the blower and the electrifying portion.

A fine water discharge device includes a case having a flow path allowing a first space and a second space to communicate with each other, a blower which is disposed in the flow path, introduces air in the first space into the flow path, and discharges the air introduced into the flow path into the second space, a fine water generating unit which is disposed in the flow path and in which a plurality of the particles are laminated as a film-shaped conductive polymer film portion on an outer surface of a honeycomb member, and the particles are transitioned between an adsorption state where water is adsorbed and a discharge state where the adsorbed water is discharged to the air, an electrifying portion electrically connected to the honeycomb member to perform electrification, and a controller which is a control portion controlling the blower and the electrifying portion.

A thermo spray gun (10) includes at least one of; at least one removable nozzle tip (20) for spraying a coating material, at least one replaceable nozzle tip (20) for spraying a coating material, and at least one interchangeable nozzle tip (20) for spraying a coating material. A thermo spray gun system (1000) includes a thermal spray gun (10) and at least one mechanism (30/40) at least one of; storing at least one nozzle tip installable on the thermal spray gun and being structured and arranged to install at least one nozzle tip on the thermal spray gun. A method of coating a substrate (S) using a thermo spray gun (10) includes mounting at least one nozzle tip (20) on the thermo spray gun (10) and spraying a coating material with the at least one nozzle tip (20).

A thermo spray gun (10) includes at least one of; at least one removable nozzle tip (20) for spraying a coating material, at least one replaceable nozzle tip (20) for spraying a coating material, and at least one interchangeable nozzle tip (20) for spraying a coating material. A thermo spray gun system (1000) includes a thermal spray gun (10) and at least one mechanism (30/40) at least one of; storing at least one nozzle tip installable on the thermal spray gun and being structured and arranged to install at least one nozzle tip on the thermal spray gun. A method of coating a substrate (S) using a thermo spray gun (10) includes mounting at least one nozzle tip (20) on the thermo spray gun (10) and spraying a coating material with the at least one nozzle tip (20).

The invention relates to a device for producing special effect fog, in particular in the field of stage technology, comprising fog generator (1) which is equipped with a heating element, wherein a fog fluid is evaporated by means of the heating element, and at least one ultrasonic vaporizer (5) which is arranged in a housing (2) on the bottom (3) of a main mixing chamber (4), wherein the fog which is generated by the fog generator (1) can be conducted into the main mixing chamber (4), and wherein, furthermore, a baffle wall (7) is provided in the main mixing chamber (4) close to an outlet opening (6). In addition, a pre-mixing chamber (8) is provided, into which an air stream which is generated by a fan (9) and the fog which is generated by the fog generator (1) can be introduced via respective access openings (14, 15). The pre-mixing chamber (8) is connected by means of a transfer opening (10) to the main mixing chamber (4), wherein the transfer opening (10) is arranged in the main mixing chamber (4) so as to lie opposite the baffle wall (7).