Patent US3138362A successfully refreshed from Google Patents.
US3138362A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Kaplan turbines
Assignee: Library and Archives Canada
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Filing: 1961-05-23
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Granted: 1964-06-23
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Expires: 1981-05-23
Abstract
No abstract record available.
Inventors
- 👤 Allan Michael Bingham
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 03:48
CPC Classifications
F; F03; F03B; F03B3/00; F03B3/12; F03B3/14; F03B3/145; F05; F05B; F05B2260/00; F05B2260/70; F05B2260/76; Y; Y02; Y02E; Y02E10/00; Y02E10/20
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
106 words
A TURBINE HAVING AN ASSEMBLY ROTATABLE ON A VERTICAL AXIS INCLUDING A CASING AND RUNNER BLADES ADJUSTABLY JOURNALLED IN SAID CASING, MEANS FOR ANGULARLY ADJUSTING THE RUNNER BLADES COMPRISING A PUMP DISPOSED WITHIN SAID CASING, MEANS FOR DRIVING SAID PUMP, A SERVO MOTOR DISPOSED WITHIN SAID CASING, SAID SERVO MOTOR BEING OPERATIVELY CONNECTED WITH THE OUTPUT OF SAID PUMP, MEANS CONNECTING THE RUNNER BLADES WITH THE SERVO MOTOR WHEREBY THE ANGULAR POSITION OF THE RUNNER BLADES IS SHIFTED BY ACTUATION OF THE SERVO MOTOR, AND A HOLLOW SHAFT EXTENDING VERTICALLY UPWARDLY FROM SAID CASING, SAID PUMP AND SAID MEANS FOR DRIVING SAID PUMP BEING REMOVABLE FROM
Claim 2
Dependent Claim
106 words
A TURBINE HAVING AN ASSEMBLY ROTATABLE ON A VERTICAL AXIS INCLUDING A CASING AND RUNNER BLADES ADJUSTABLY JOURNALLED IN SAID CASING, MEANS FOR ANGULARLY ADJUSTING THE RUNNER BLADES COMPRISING A PUMP DISPOSED WITHIN SAID CASING, MEANS FOR DRIVING SAID PUMP, A SERVO MOTOR DISPOSED WITHIN SAID CASING, SAID SERVO MOTOR BEING OPERATIVELY CONNECTED WITH THE OUTPUT OF SAID PUMP, MEANS CONNECTING THE RUNNER BLADES WITH THE SERVO MOTOR WHEREBY THE ANGULAR POSITION OF THE RUNNER BLADES IS SHIFTED BY ACTUATION OF THE SERVO MOTOR, AND A HOLLOW SHAFT EXTENDING VERTICALLY UPWARDLY FROM SAID CASING, SAID PUMP AND SAID MEANS FOR DRIVING SAID PUMP BEING REMOVABLE FROM
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) | 1967-06-23 | 1967-12-23 | 1968-06-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-06-23 | 1971-12-23 | 1972-06-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-06-23 | 1975-12-23 | 1976-06-23 | $7700.00 | Window Closed / Lapsed |