US3906289A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of compressing an arc discharge
Assignee: Individual
•
Filing: 1974-01-10
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Granted: 1975-09-16
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Expires: 1994-01-10
Abstract
Abstract The present invention relates to methods for compressing an arc discharge and is characterized by feeding current pulses to the arc gap, the duration of the current pulses being less than the arc-dicharge column expansion time. The employment of the proposed method results in an increased power density in the arc gap and, consequently, a higher concentration of heat therein. The proposed method can be realized dispensing with special mechanical devices and additional means for forming a cooling gas stream.
Inventors
- 👤 Vladimir Romanovich Lepp
- 👤 Vladimir Alexeevich Vinogradov
- 👤 Kharis Malikovich Sibgatulin
- 👤 Jury Nikolaevich Cherkasov
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 16:52
CPC Classifications
B; B23; B23K; B23K9/00; B23K9/06; B23K9/073; B23K9/0732
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
89 words
A method for compressing an arc-discharge column, comprising the following steps: spacing electrodes at a distance sufficient to form an arc gap; supplying shielding gas to said electrodes; applying to said electrodes current pulses having a duration less than the time period during which the arc-discharge column expands to a steady-state value; ceasing to apply current pulses to said electrodes for a time period sufficient to bring the arcdischarge column to the initial state; alternately applying said current pulses to said electrodes to be followed by a discontinuation thereof.
Claim 2
Independent Claim
89 words
A method for compressing an arc-discharge column, comprising the following steps: spacing electrodes at a distance sufficient to form an arc gap; supplying shielding gas to said electrodes; applying to said electrodes current pulses having a duration less than the time period during which the arc-discharge column expands to a steady-state value; ceasing to apply current pulses to said electrodes for a time period sufficient to bring the arcdischarge column to the initial state; alternately applying said current pulses to said electrodes to be followed by a discontinuation thereof.
Claim 3
Dependent Claim
69 words
A method for compressing an arc-discharge column as claimed in claim 1, wherein current pulses having a duration of no more than 500.10 6 sec are applied to gas-shielded non-consumable electrodes and a welded article spaced at a distance sufficient to form an arc gap, and the time ratio between the pulse spacing and the duration of a pulse is chosen to be equal to no less than 5.
References Cited (Backward Citations)
US3313707A
Cited
US3590317A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1978-09-15 | 1979-03-17 | 1979-09-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-09-15 | 1983-03-17 | 1983-09-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-09-15 | 1987-03-17 | 1987-09-16 | $7700.00 | Window Closed / Lapsed |