Method for equalizing wear to prolong the lifespan of a plasma t

Details Method for equalizing wear to prolong the lifespan of a plasma t Method for equalizing wear to prolong the lifespan of a plasma t

1992-12-30

1994-12-27

Paschall, Mark H.

Electric heating

Metal heating

By arc

21912159, 21912154, 21912153, 219123, B23K 1000, B23K 906

Patent

active

053767683

ABSTRACT:
The plasma torch (10; 11, 12, 14) comprises an electrical power supply (20) with an arc circuit (21) and a coil circuit (22) which are mounted in series and with means (30) for controlling the level of the current flowing in the coil (22) consisting, inter alia, mounted in parallel with this coil (14), of a chopper consisting of a battery of capacitors (31) and of at least one electronic power switch (32) which may be placed distant from the coil. The electronic switch is preferably of the thyristor diode (321, 322) type, with a resonant turn-off circuit (31, 323).
A variant of this chopper uses at least one electronic switch of the GTO thyristor type, controllable in triggering and in switching off, or at least one conventional thyristor equipped with an auxiliary extinction circuit.
Application to high-power torches, for industrial, for example metallurgical, use.

REFERENCES:
patent: 3102946 (1963-09-01), Fonberg
patent: 4535225 (1985-08-01), Wolf et al.

Affiliated with

Also associated with

Rating

Method for equalizing wear to prolong the lifespan of a plasma t does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Method for equalizing wear to prolong the lifespan of a plasma t, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Method for equalizing wear to prolong the lifespan of a plasma t will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-920597