Patent US1808318A successfully refreshed from Google Patents.
US3207168A
Expired / Lapsed
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Fluid vortex transfer
Assignee: Individual
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Filing: 1963-01-16
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Granted: 1965-09-21
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Expires: 1983-01-16
Abstract
No abstract record available.
Inventors
- 👤 Raymond W Warren
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 02:01
CPC Classifications
F; F15; F15C; F15C1/00; F15C1/02; Y; Y10; Y10T; Y10T137/00; Y10T137/206; Y10T137/2087; Y10T137/2093; Y10T137/2098
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
122 words
A DEVICE FOR PROVIDING IMPEDANCE MATCHING TO A PURE FLUID SYSTEM COMPRISING A SUBSTANTIALLY CYLINDRICAL CHAMBER, SAID CHAMBER BEING ENCLOSED AT ONE END THEREOF AND OPEN AT THE OTHER END, A DUCT EXTENDING SUBSTANTIALLY TANGENTIALLY FROM THE PERIPHERY OF SAID CHAMBER ADJACENT SAID ONE END THEREOF FOR ISSUING FLUID TANGENTIALLY INTO SAID CHAMBER SO AS TO CREATE A VORTICAL FLOW IN SAID CHAMBER, THE OTHER END OF SAID CHAMBER BEING OPEN TO A LOWER PRESSURE CONDITION THAN THAT IN SAID DUCT, SAID CHAMBER BEING CONSTRICTED SUCH THAT THE VORTICAL FLOW THEREIN HAS A CENTRAL REGION, THE CENTRAL REGION BEING A SURFACE OF REVOLUTION ABOUT THE LONGITUDINAL AXIS OF SAID CYLINDRICAL CHAMBER AND BOUNDED BY A CURVE WHICH CONFORMS TO AN EXPONENTIAL FUNCTION.
Claim 2
Independent Claim
122 words
A DEVICE FOR PROVIDING IMPEDANCE MATCHING TO A PURE FLUID SYSTEM COMPRISING A SUBSTANTIALLY CYLINDRICAL CHAMBER, SAID CHAMBER BEING ENCLOSED AT ONE END THEREOF AND OPEN AT THE OTHER END, A DUCT EXTENDING SUBSTANTIALLY TANGENTIALLY FROM THE PERIPHERY OF SAID CHAMBER ADJACENT SAID ONE END THEREOF FOR ISSUING FLUID TANGENTIALLY INTO SAID CHAMBER SO AS TO CREATE A VORTICAL FLOW IN SAID CHAMBER, THE OTHER END OF SAID CHAMBER BEING OPEN TO A LOWER PRESSURE CONDITION THAN THAT IN SAID DUCT, SAID CHAMBER BEING CONSTRICTED SUCH THAT THE VORTICAL FLOW THEREIN HAS A CENTRAL REGION, THE CENTRAL REGION BEING A SURFACE OF REVOLUTION ABOUT THE LONGITUDINAL AXIS OF SAID CYLINDRICAL CHAMBER AND BOUNDED BY A CURVE WHICH CONFORMS TO AN EXPONENTIAL FUNCTION.
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) | 1968-09-20 | 1969-03-22 | 1969-09-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-09-20 | 1973-03-22 | 1973-09-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-09-20 | 1977-03-22 | 1977-09-21 | $7700.00 | Window Closed / Lapsed |