US3259830A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Plural phase converter with voltage multiplication
Assignee: Husqvarna Vapenfabriks AB
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Filing: 1962-01-29
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Granted: 1966-07-05
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Expires: 1982-01-29
Abstract
No abstract record available.
Inventors
- 👤 Ojelid Goran Axel Runo
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 12:54
CPC Classifications
H; H02; H02M; H02M7/00; H02M7/02; H02M7/04; H02M7/06; H02M7/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
183 words
IN APPARATUS FOR DRIVING A LOAD FROM A THREE PHASE ALTERNATING CURRENT SUPPLY SYSTEM HAVING FIRST, SECOND, AND THIRD PHASE LINES, A VOLTAGE AND FREQUENCY MULTIPLIER, COMPRISING: AN INDUCTANCE IN SAID FIRST LINE, TWO CONDENSERS RESPECTIVELY IN SAID SECOND AND THIRD LINES, A FIRST PAIR OF BACK-TO-BACK CONNECTED UNIDIRECTIONAL CURRENT CONDUCTING DEVICES RESPECTIVELY COUPLED TO THEIR OUTER ENDS TO THE OUTPUT SIDES OF SAID CONDENSERS AND AT THEIR INNER ENDS IN COMMON TO THE OUTPUT SIDES OF SAID INDUCTANCE, A SECOND PAIR OF BACK-TO-BACK CONNECTED UNIDIRECTIONAL CURRENT CONDUCTING DEVICES HAVING THEIR OUTER ENDS OF POLARITY OPPOSITE THE OUTER ENDS OF SAID FIRST PAIR AND CONNECTED RESPECTIVELY TO THE SAID OUTPUT SIDES OF SAID CONDENSERS, A THIRD CONDENSER COUPLED BETWEEN THE CONNECTED INNER ENDS OF SAID SECOND PAIR OF UNIDIRECTIONAL DEVICES AND THE OUTPUT SIDE OF SAID INDUCTANCE, AND MEANS FOR CONNECTING SAID LOAD ACROSS SAID THIRD CONDENSER, THE REACTANCE OF SAID INDUCTANCE IN CONJUNCTION WITH THAT OF ONE OF SAID TWO CONDENSERS BEING SUCH AS TO EFFECT RESONANCE THEREOF AT A FREQUENCY SLIGHTLY HIGHER THAN THE FREQUENCY OF SAID ALTERNATING CURRENT SUPPLY SYSTEM.
Claim 2
Dependent Claim
183 words
IN APPARATUS FOR DRIVING A LOAD FROM A THREE PHASE ALTERNATING CURRENT SUPPLY SYSTEM HAVING FIRST, SECOND, AND THIRD PHASE LINES, A VOLTAGE AND FREQUENCY MULTIPLIER, COMPRISING: AN INDUCTANCE IN SAID FIRST LINE, TWO CONDENSERS RESPECTIVELY IN SAID SECOND AND THIRD LINES, A FIRST PAIR OF BACK-TO-BACK CONNECTED UNIDIRECTIONAL CURRENT CONDUCTING DEVICES RESPECTIVELY COUPLED TO THEIR OUTER ENDS TO THE OUTPUT SIDES OF SAID CONDENSERS AND AT THEIR INNER ENDS IN COMMON TO THE OUTPUT SIDES OF SAID INDUCTANCE, A SECOND PAIR OF BACK-TO-BACK CONNECTED UNIDIRECTIONAL CURRENT CONDUCTING DEVICES HAVING THEIR OUTER ENDS OF POLARITY OPPOSITE THE OUTER ENDS OF SAID FIRST PAIR AND CONNECTED RESPECTIVELY TO THE SAID OUTPUT SIDES OF SAID CONDENSERS, A THIRD CONDENSER COUPLED BETWEEN THE CONNECTED INNER ENDS OF SAID SECOND PAIR OF UNIDIRECTIONAL DEVICES AND THE OUTPUT SIDE OF SAID INDUCTANCE, AND MEANS FOR CONNECTING SAID LOAD ACROSS SAID THIRD CONDENSER, THE REACTANCE OF SAID INDUCTANCE IN CONJUNCTION WITH THAT OF ONE OF SAID TWO CONDENSERS BEING SUCH AS TO EFFECT RESONANCE THEREOF AT A FREQUENCY SLIGHTLY HIGHER THAN THE FREQUENCY OF SAID ALTERNATING CURRENT SUPPLY SYSTEM.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-07-04 | 1970-01-03 | 1970-07-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-07-04 | 1974-01-03 | 1974-07-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-07-04 | 1978-01-03 | 1978-07-05 | $7700.00 | Window Closed / Lapsed |