US3270677A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Intake bell for diagonal fluid pumps
Assignee: Individual
•
Filing: 1965-09-29
•
Granted: 1966-09-06
•
Expires: 1985-09-29
Abstract
No abstract record available.
Inventors
- 👤 Eller James Marlin
- 👤 Eller James David
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 22:31
CPC Classifications
F; F04; F04D; F04D29/00; F04D29/40; F04D29/52; F04D29/54; F04D29/548; F04D3/00; F04D3/005
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
126 words
AN ANGLED AXIAL FLOW PUMP HAVING A PROPELLER AND PROVIDED WITH AN ANGULARLY-ARRANGED ELONGATED CYLINDRICAL BARREL, THE PUMP HAVING A LOWER INTAKE AND AN UPPER HORIZONTALLY DISPOSED OUTLET END, AN INTAKE BELL FIXED TO THE LOWER END OF THE PUMP, THE BELL BEING DOWNWARDLY TAPERING TO A RELATIVELY WIDE INTAKE SIDE, THE LOWER END OF THE BELL BEING DISPOSED IN SUBSTANTIALLY PARALLEL RELATION TO THE SURFACE OF THE WATER, THE BELL BEING FORMED OF A PLURALITY OF PROGRESSIVELY LARGER SEGMENTS WELDED TOGETHER, THE INTAKE END OF THE BELL AND THE BODY OF THE BELL BEING ON A TRUE CIRCLE WHEREBY THE WATER BEING PUMPED BY THE PROPELLER HAS AN EVEN VELOCITY DISTRIBUTION IMMEDIATELY AHEAD OF THE PROPELLER TO FORM A UNIFORM LIQUID FLOW TO THE PUMP.
Claim 2
Dependent Claim
126 words
AN ANGLED AXIAL FLOW PUMP HAVING A PROPELLER AND PROVIDED WITH AN ANGULARLY-ARRANGED ELONGATED CYLINDRICAL BARREL, THE PUMP HAVING A LOWER INTAKE AND AN UPPER HORIZONTALLY DISPOSED OUTLET END, AN INTAKE BELL FIXED TO THE LOWER END OF THE PUMP, THE BELL BEING DOWNWARDLY TAPERING TO A RELATIVELY WIDE INTAKE SIDE, THE LOWER END OF THE BELL BEING DISPOSED IN SUBSTANTIALLY PARALLEL RELATION TO THE SURFACE OF THE WATER, THE BELL BEING FORMED OF A PLURALITY OF PROGRESSIVELY LARGER SEGMENTS WELDED TOGETHER, THE INTAKE END OF THE BELL AND THE BODY OF THE BELL BEING ON A TRUE CIRCLE WHEREBY THE WATER BEING PUMPED BY THE PROPELLER HAS AN EVEN VELOCITY DISTRIBUTION IMMEDIATELY AHEAD OF THE PROPELLER TO FORM A UNIFORM LIQUID FLOW TO THE PUMP.
References Cited (Backward Citations)
US1345655A
Cited
US1385069A
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DE470305C
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US2214677A
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FR935158A
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US2552681A
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FR1039020A
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DE1055963B
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US2907277A
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US3008422A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-09-05 | 1970-03-07 | 1970-09-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-09-05 | 1974-03-07 | 1974-09-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-09-05 | 1978-03-07 | 1978-09-06 | $7700.00 | Window Closed / Lapsed |