A method, system and apparatus for plasma blasting comprises a solid object having a borehole, a blast probe comprising a high voltage electrode and a ground electrode separated by a dielectric separator, wherein the high voltage electrode and the dielectric separator constitute an adjustable probe tip, and an adjustment unit coupled to the adjustable probe tip, wherein the adjustment unit is configured to selectively extend or retract the adjustable probe tip relative to the ground electrode and a blasting media, wherein at least a portion of the high voltage electrode and the ground electrode are submerged in the blast media. The blasting media comprises water. The adjustable tip permits fine-tuning of the blast. The blast can be used to fracture solids and/or to create a shockwave to mapping underground structures.

The present invention relates to an optical emission spectrometer with at least one spark chamber. It comprises an oblong electrode being arranged inside thereof and at least one inlet for an inert gas. Here, the inert gas inlet is arranged such that the inert gas flows around the electrode along its longitudinal axis. In the sense of the invention, in the inert gas entry and/or between inert gas entry and electrode at least one sieve-like insert is provided and/or the electrode in the flow cross-section of the inter gas flow is surrounded by at least one sieve-like insert.

The present invention relates to an optical emission spectrometer with at least one spark chamber. It comprises an oblong electrode being arranged inside thereof and at least one inlet for an inert gas. Here, the inert gas inlet is arranged such that the inert gas flows around the electrode along its longitudinal axis. In the sense of the invention, in the inert gas entry and/or between inert gas entry and electrode at least one sieve-like insert is provided and/or the electrode in the flow cross-section of the inter gas flow is surrounded by at least one sieve-like insert.

An ignition device ignites a mixture of air and fuel gas by plasma to generate an initial flame. The ignition device includes a spark plug having an inner conductor, a cylindrical outer conductor that holds the inner conductor inside, and a dielectric provided between the inner conductor and the outer conductor, and the spark plug configured to emit an electromagnetic wave to a plasma formation space between the inner conductor and the outer conductor to generate a plasma. The ignition device includes an electromagnetic wave power supply that generates the electromagnetic wave by inputting the electromagnetic wave power Ps to the spark plug and a power supply control unit that controls the electromagnetic wave power supply. The electromagnetic wave power supply is configured to generate high frequency power at a number of different frequencies. The power supply control unit outputs at least one of the plurality of high frequency powers generated by the electromagnetic wave power supply as the electromagnetic wave power.

An ignition device ignites a mixture of air and fuel gas by plasma to generate an initial flame. The ignition device includes a spark plug having an inner conductor, a cylindrical outer conductor that holds the inner conductor inside, and a dielectric provided between the inner conductor and the outer conductor, and the spark plug configured to emit an electromagnetic wave to a plasma formation space between the inner conductor and the outer conductor to generate a plasma. The ignition device includes an electromagnetic wave power supply that generates the electromagnetic wave by inputting the electromagnetic wave power Ps to the spark plug and a power supply control unit that controls the electromagnetic wave power supply. The electromagnetic wave power supply is configured to generate high frequency power at a number of different frequencies. The power supply control unit outputs at least one of the plurality of high frequency powers generated by the electromagnetic wave power supply as the electromagnetic wave power.

A method, system and apparatus for plasma blasting comprises a borehole in soil, a blast probe comprising a high voltage electrode and a ground electrode separated by a dielectric separator, wherein the high voltage electrode and the dielectric separator constitute an adjustable probe tip, and an adjustment unit coupled to the adjustable probe tip, wherein the adjustment unit is configured to selectively extend or retract the adjustable probe tip relative to the ground electrode and a blasting media, wherein at least a portion of the high voltage electrode and the ground electrode are submerged in the blast media. The blasting media comprises wet concrete. The adjustable tip permits fine-tuning of the blast. The blast is used to force the wet concrete into a customized shape within the borehole.

A method, system and apparatus for plasma blasting comprises a borehole in soil, a blast probe comprising a high voltage electrode and a ground electrode separated by a dielectric separator, wherein the high voltage electrode and the dielectric separator constitute an adjustable probe tip, and an adjustment unit coupled to the adjustable probe tip, wherein the adjustment unit is configured to selectively extend or retract the adjustable probe tip relative to the ground electrode and a blasting media, wherein at least a portion of the high voltage electrode and the ground electrode are submerged in the blast media. The blasting media comprises wet concrete. The adjustable tip permits fine-tuning of the blast. The blast is used to force the wet concrete into a customized shape within the borehole.

Some embodiments include a plasma source. The plasma source includes: (i) a plasma emitter having a first electrode and a second electrode defining an electrode gap therebetween; (ii) stands disposed adjacent to the electrode gap and the plasma emitter; (iii) emitter openings configured such that shockwaves generated by the plasma source are directed through the emitter openings and radially from the plasma emitter, wherein adjacent emitter openings of the emitter openings are separated from each other by at least one stand of the stands; (iv) an enclosure housing at a distal end of the plasma emitter and having a delivery device configured to introduce a conductor through an opening in the second electrode and into the electrode gap; and a device housing at a proximal end of the plasma emitter and having a transformer, a capacitor unit, and a contactor. Other embodiments of related systems and methods are also disclosed.

Some embodiments include a plasma source. The plasma source includes: (i) a plasma emitter having a first electrode and a second electrode defining an electrode gap therebetween; (ii) stands disposed adjacent to the electrode gap and the plasma emitter; (iii) emitter openings configured such that shockwaves generated by the plasma source are directed through the emitter openings and radially from the plasma emitter, wherein adjacent emitter openings of the emitter openings are separated from each other by at least one stand of the stands; (iv) an enclosure housing at a distal end of the plasma emitter and having a delivery device configured to introduce a conductor through an opening in the second electrode and into the electrode gap; and a device housing at a proximal end of the plasma emitter and having a transformer, a capacitor unit, and a contactor. Other embodiments of related systems and methods are also disclosed.

A method, system and apparatus for plasma blasting comprises a borehole in soil, a blast probe comprising a high voltage electrode and a ground electrode separated by a dielectric separator, wherein the high voltage electrode and the dielectric separator constitute an adjustable probe tip, and an adjustment unit coupled to the adjustable probe tip, wherein the adjustment unit is configured to selectively extend or retract the adjustable probe tip relative to the ground electrode and a blasting media, wherein at least a portion of the high voltage electrode and the ground electrode are submerged in the blast media. The blasting media comprises wet concrete. The adjustable tip permits fine-tuning of the blast. The blast is used to force the wet concrete into a customized shape within the borehole.