US3142179A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus responsive to fluid flow
Assignee: Engie SA
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Filing: 1961-03-07
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Granted: 1964-07-28
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Expires: 1981-03-07
Abstract
No abstract record available.
Inventors
- 👤 Souriau Daniel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 20:28
CPC Classifications
G; G01; G01F; G01F1/00; G01F1/05; G01F1/10; G01F1/12
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
101 words
FLUID FLOW-RESPONSIVE APPARATUS COMPRISING MEANS DEFINING A FLUID FLOWPATH, MEANS IN SAID FLOWPATH FOR IMPARTING A ROTATIONAL VELOCITY TO THE FLUID, A TURBINE POSITIONED IN SAID FLOWPATH BEYOND SAID LAST MEANS AND ROTATED BY SAID FLUID WHEREBY THE ROTATIONAL VELOCITY THEREOF IS REDUCED, OUTPUT MEANS RESPONSIVE TO ROTATION OF SAID TURBINE, SENSOR MEANS IN THE FLOWPATH BEYOND SAID TURBINE AND SENSING ANY RESIDUAL VELOCITY COMPONENT OF THE FLUID, AND RETARDING MEANS OPERATED BY SAID SENSOR MEANS AND COUPLED TO THE TURBINE FOR APPLYING A VARIABLE RETARDING COUPLE THERETO SO AS TO MAINTAIN SAID RESIDUAL ROTATIONAL VELOCITY COMPONENT SUBSTANTIALLY AT ZERO MAGNITUDE.
Claim 2
Dependent Claim
101 words
FLUID FLOW-RESPONSIVE APPARATUS COMPRISING MEANS DEFINING A FLUID FLOWPATH, MEANS IN SAID FLOWPATH FOR IMPARTING A ROTATIONAL VELOCITY TO THE FLUID, A TURBINE POSITIONED IN SAID FLOWPATH BEYOND SAID LAST MEANS AND ROTATED BY SAID FLUID WHEREBY THE ROTATIONAL VELOCITY THEREOF IS REDUCED, OUTPUT MEANS RESPONSIVE TO ROTATION OF SAID TURBINE, SENSOR MEANS IN THE FLOWPATH BEYOND SAID TURBINE AND SENSING ANY RESIDUAL VELOCITY COMPONENT OF THE FLUID, AND RETARDING MEANS OPERATED BY SAID SENSOR MEANS AND COUPLED TO THE TURBINE FOR APPLYING A VARIABLE RETARDING COUPLE THERETO SO AS TO MAINTAIN SAID RESIDUAL ROTATIONAL VELOCITY COMPONENT SUBSTANTIALLY AT ZERO MAGNITUDE.
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) | 1967-07-28 | 1968-01-27 | 1968-07-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-07-28 | 1972-01-27 | 1972-07-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-07-28 | 1976-01-27 | 1976-07-28 | $7700.00 | Window Closed / Lapsed |