Patent US3196798A successfully refreshed from Google Patents.
US3196798A
Expired / Lapsed
US
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Hydraulic installations
Assignee: Ateliers des Charmilles SA
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Filing: 1963-10-04
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Granted: 1965-07-27
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Expires: 1983-10-04
Abstract
No abstract record available.
Inventors
- 👤 Coucet Pierre
- 👤 Culaud Andre
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 14:36
CPC Classifications
F; F03; F03B; F03B3/00; F03B3/10; F03B3/106; F04; F04D; F04D13/00; F04D13/02; F04D13/04; F04D13/043; Y; Y02; Y02E; Y02E10/00; Y02E10/20; Y10; Y10S; Y10S415/00; Y10S415/91
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
157 words
A TURBINE AND A PUMP FOR A HYDRAULIC INSTALLATION, COMPRISING A FIRST WHEEL ACTING ONLY AS A TURBINE ROTATABLE IN A CHAMBER AND A SECOND WHEEL ACTING ONLY AS A TURBINE LIKEWISE ROTATABLE IN SAID CHAMBER, BOTH SAID WHEELS BEING MOUNTED IN JUXTAPOSITION ON A ROTATABLE COMMON SHAFT, A CASING HAVING AN INTERNAL FLUID RECEPTION CAVITY ADAPTED TO DELIVER FLUID TO SAID TURBINE WHEEL AND TO RECEIVE FLUID DELIVERED BY SAID PUMP WHEEL, VALVE MEANS IN SAID INTERNAL CAVITY FOR PERMITTING THE SEPARATION OF SAID CAVITY FROM THE CHAMBER IN WHICH THE TURBINE WHEEL ROTATES AND THE CHAMBER IN WHICH THE PUMP WHEEL ROTATES, A FIRST SUCTION PIPE COMMUNICATING WITH THE DISCHARGE SIDE OF SAID TURBINE WHEEL AND A SECOND SUCTION PIPE COMMUNICATING WITH THE INTAKE SIDE OF SAID PUMP WHEEL, SAID TWO SUCTION PIPES BEING DISPOSED COAXIALLY ON THE SAME SIDE OF THE WHEELS WITH AT LEAST A PART OF THEIR LENGTH CONTIGUOUS TO SAID WHEELS.
Claim 2
Dependent Claim
157 words
A TURBINE AND A PUMP FOR A HYDRAULIC INSTALLATION, COMPRISING A FIRST WHEEL ACTING ONLY AS A TURBINE ROTATABLE IN A CHAMBER AND A SECOND WHEEL ACTING ONLY AS A TURBINE LIKEWISE ROTATABLE IN SAID CHAMBER, BOTH SAID WHEELS BEING MOUNTED IN JUXTAPOSITION ON A ROTATABLE COMMON SHAFT, A CASING HAVING AN INTERNAL FLUID RECEPTION CAVITY ADAPTED TO DELIVER FLUID TO SAID TURBINE WHEEL AND TO RECEIVE FLUID DELIVERED BY SAID PUMP WHEEL, VALVE MEANS IN SAID INTERNAL CAVITY FOR PERMITTING THE SEPARATION OF SAID CAVITY FROM THE CHAMBER IN WHICH THE TURBINE WHEEL ROTATES AND THE CHAMBER IN WHICH THE PUMP WHEEL ROTATES, A FIRST SUCTION PIPE COMMUNICATING WITH THE DISCHARGE SIDE OF SAID TURBINE WHEEL AND A SECOND SUCTION PIPE COMMUNICATING WITH THE INTAKE SIDE OF SAID PUMP WHEEL, SAID TWO SUCTION PIPES BEING DISPOSED COAXIALLY ON THE SAME SIDE OF THE WHEELS WITH AT LEAST A PART OF THEIR LENGTH CONTIGUOUS TO SAID WHEELS.
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) | 1968-07-26 | 1969-01-25 | 1969-07-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-07-26 | 1973-01-25 | 1973-07-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-07-26 | 1977-01-25 | 1977-07-27 | $7700.00 | Window Closed / Lapsed |