Patent US3308368A successfully refreshed from Google Patents.
US3308368A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Six-phase rectifier wherein the input even harmonics are eliminated
Assignee: Power Products LLC
•
Filing: 1963-06-18
•
Granted: 1967-03-07
•
Expires: 1983-06-18
Abstract
No abstract record available.
Inventors
- 👤 Jr August Schmidt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 07:07
CPC Classifications
H; H02; H02M; H02M7/00; H02M7/02; H02M7/04; H02M7/046; H02M7/12; H02M7/145; H02M7/155; H02M7/162
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
163 words
A POLYPHASE RECTIFIER SYSTEM COMPRISING, IN COMBINATION, TERMINAL MEANS OF POLYPHASE SOURCE MEANS, FIRST AND SECOND POLYPHASE BRIDGE RECTIFIER GROUPS EACH HAVING AN EQUAL NUMBER OF CONTROLLABLE AND UNCONTROLLED RECTIFIER MEANS, POSITIVE AND NEGATIVE D.C. OUTPUT TERMINALS, INDUCTANCE MEANS HAVING FIRST AND SECOND PORTIONS, MEANS CONNECTING ONE OF SAID D.C. OUTPUT TERMINALS TO SAID INDUCTANCE MEANS, FIRST CIRCUIT MEANS INCLUDING SAID INDUCTANCE MEANS FIRST PORTION AND CONNECTING THE CONTROLLABLE RECTIFIER MEANS IN SAID FIRST GROUP TO CONDUCT CURRENT FROM SAID TERMINAL MEANS TO SAID POSITIVE OUTPUT TERMINAL AND CONNECTING THE UNCONTROLLED RECTIFIER MEANS IN SAID FIRST GROUP TO CONDUCT CURRENT FROM SAID NEGATIVE OUTPUT TERMINAL TO SAID TERMINAL MEANS, AND SECOND CIRCUIT MEANS INCLUDING SAID INDUCTANCE MEANS SECOND PORTION AND CONNECTING THE UNCONTROLLED RECTIFIER MEANS IN SAID SECOND GROUP TO CONDUCT CURRENT FROM SAID TERMINAL MEANS TO SAID POSITIVE OUTPUT TERMINAL AND CONNECTING THE CONTROLLABLE RECTIFIER MEANS IN SAID SECOND GROUP TO CONDUCT CURRENT FROM SAID NEGATIVE OUTPUT TERMINAL TO SAID TERMINAL MEANS.
Claim 2
Dependent Claim
163 words
A POLYPHASE RECTIFIER SYSTEM COMPRISING, IN COMBINATION, TERMINAL MEANS OF POLYPHASE SOURCE MEANS, FIRST AND SECOND POLYPHASE BRIDGE RECTIFIER GROUPS EACH HAVING AN EQUAL NUMBER OF CONTROLLABLE AND UNCONTROLLED RECTIFIER MEANS, POSITIVE AND NEGATIVE D.C. OUTPUT TERMINALS, INDUCTANCE MEANS HAVING FIRST AND SECOND PORTIONS, MEANS CONNECTING ONE OF SAID D.C. OUTPUT TERMINALS TO SAID INDUCTANCE MEANS, FIRST CIRCUIT MEANS INCLUDING SAID INDUCTANCE MEANS FIRST PORTION AND CONNECTING THE CONTROLLABLE RECTIFIER MEANS IN SAID FIRST GROUP TO CONDUCT CURRENT FROM SAID TERMINAL MEANS TO SAID POSITIVE OUTPUT TERMINAL AND CONNECTING THE UNCONTROLLED RECTIFIER MEANS IN SAID FIRST GROUP TO CONDUCT CURRENT FROM SAID NEGATIVE OUTPUT TERMINAL TO SAID TERMINAL MEANS, AND SECOND CIRCUIT MEANS INCLUDING SAID INDUCTANCE MEANS SECOND PORTION AND CONNECTING THE UNCONTROLLED RECTIFIER MEANS IN SAID SECOND GROUP TO CONDUCT CURRENT FROM SAID TERMINAL MEANS TO SAID POSITIVE OUTPUT TERMINAL AND CONNECTING THE CONTROLLABLE RECTIFIER MEANS IN SAID SECOND GROUP TO CONDUCT CURRENT FROM SAID NEGATIVE OUTPUT TERMINAL TO SAID TERMINAL MEANS.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-03-06 | 1970-09-05 | 1971-03-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-03-06 | 1974-09-05 | 1975-03-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-03-06 | 1978-09-05 | 1979-03-07 | $7700.00 | Window Closed / Lapsed |