US3139265A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Turbine and pump runner
Assignee: Nydqvist and Holm AB
•
Filing: 1960-01-28
•
Granted: 1964-06-30
•
Expires: 1980-01-28
Abstract
No abstract record available.
Inventors
- 👤 Lindquist Herman Arne
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 14:23
CPC Classifications
F; F03; F03B; F03B3/00; F03B3/12; Y; Y02; Y02E; Y02E10/00; Y02E10/20
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
113 words
A TURBINE AND PUMP RUNNER HAVING A SUBSTANTIALLY LARGE HEIGHT TO DIAMETER RATIO COMPRISING, IN COMBINATION, A HUB EXTENDING SUBSTANTIALLY IN A PLANE TRANSVERSE OF THE AXIS OF ROTATION OF THE RUNNER, A BAND EXTENDING SUBSTANTIALLY IN A DIRECTION PARALLEL TO SAID ROTATIONAL AXIS, AND A PLURALITY OF BLADES EXTENDING BETWEEN SAID BAND AND SAID HUB, SAID BAND COMPRISING AN INNER RING AND AN OUTER RING PERIPHERALLY SECURED TOGETHER TO DEFINE A HOLLOW SHELL, SAID HUB COMPRISING AN UPPER PART AND A LOWER PART PERIPHERALLY SECURED TOGETHER TO DEFINE A HOLLOW SHELL, SAID INNER RING AND SAID LOWER PART OF SAID HUB EACH HAVING OPENINGS THEREIN ADAPTED TO RECEIVE EACH OF SAID BLADES,
Claim 2
Dependent Claim
113 words
A TURBINE AND PUMP RUNNER HAVING A SUBSTANTIALLY LARGE HEIGHT TO DIAMETER RATIO COMPRISING, IN COMBINATION, A HUB EXTENDING SUBSTANTIALLY IN A PLANE TRANSVERSE OF THE AXIS OF ROTATION OF THE RUNNER, A BAND EXTENDING SUBSTANTIALLY IN A DIRECTION PARALLEL TO SAID ROTATIONAL AXIS, AND A PLURALITY OF BLADES EXTENDING BETWEEN SAID BAND AND SAID HUB, SAID BAND COMPRISING AN INNER RING AND AN OUTER RING PERIPHERALLY SECURED TOGETHER TO DEFINE A HOLLOW SHELL, SAID HUB COMPRISING AN UPPER PART AND A LOWER PART PERIPHERALLY SECURED TOGETHER TO DEFINE A HOLLOW SHELL, SAID INNER RING AND SAID LOWER PART OF SAID HUB EACH HAVING OPENINGS THEREIN ADAPTED TO RECEIVE EACH OF SAID BLADES,
References Cited (Backward Citations)
AT74863B
Cited
GB237963A
Cited
GB255161A
Cited
GB438036A
Cited
FR823442A
Cited
GB608703A
Cited
DE875984C
Cited
AT171580B
Cited
US2658719A
Cited
US2848190A
Cited
US2996281A
Cited
DK72780A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-06-30 | 1967-12-30 | 1968-06-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-06-30 | 1971-12-30 | 1972-06-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-06-30 | 1975-12-30 | 1976-06-30 | $7700.00 | Window Closed / Lapsed |