US3089458A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Centrifugal acceleration siren device
Assignee: Realisations Ultrasoniques SA
•
Filing: 1959-03-13
•
Granted: 1963-05-14
•
Expires: 1979-03-13
Abstract
No abstract record available.
Inventors
- 👤 Dory Jacques
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 23:14
CPC Classifications
G; G10; G10K; G10K7/00; G10K7/005; Y; Y10; Y10S; Y10S116/00; Y10S116/18
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
128 words
A SIREN DEVICE COMPRISING A CASING AND A ROTOR HAVING AN AXIAL INLET CHAMBER AND AN OUTER SURFACE PARALLEL TO THE INNER SURFACE OF SAID CASING, CENTRIFUGAL FLOW PASSAGEWAYS IN SAID ROTOR EXTENDING IN STRAIGHT LINES THERETHROUGH FROM SAID AXIAL INLET CHAMBER TO A CYLINDRICAL SURFACE PORTION OF THE ROTOR PERIPHERY, AT LEAST ONE ELONGATED DISCHARGE NOZZLE PROJECTING THROUGH SAID CASING FROM AN INLET OPENING IN SAID CYLINDRICAL SURFACE PORTION SUBSTANTIALLY TANGENTIALLY THERETO SAID CYLINDRICAL SURFACE PORTION BEING COAXIAL WITH A CORRESPONDINGG CYLINDRICAL SURFACE PORTION OF THE INNER SURFACE OF THE CASING AND THE ENDS OF SAID PASSAGEWAYS BEING DIRECTLY ADJACENT TO SAID CYLINDRICAL INNER SURFACE PORTION, WHEREBY THE CENTRIFUGAL FLOW FROM SAID PASSAGEWAYS, WHEN SAID ROTOR IS ROTATING, WILL DIRECTLY DISCHARGE BY IMPULSES THROUGH SAID INLET OPENING.
Claim 2
Dependent Claim
128 words
A SIREN DEVICE COMPRISING A CASING AND A ROTOR HAVING AN AXIAL INLET CHAMBER AND AN OUTER SURFACE PARALLEL TO THE INNER SURFACE OF SAID CASING, CENTRIFUGAL FLOW PASSAGEWAYS IN SAID ROTOR EXTENDING IN STRAIGHT LINES THERETHROUGH FROM SAID AXIAL INLET CHAMBER TO A CYLINDRICAL SURFACE PORTION OF THE ROTOR PERIPHERY, AT LEAST ONE ELONGATED DISCHARGE NOZZLE PROJECTING THROUGH SAID CASING FROM AN INLET OPENING IN SAID CYLINDRICAL SURFACE PORTION SUBSTANTIALLY TANGENTIALLY THERETO SAID CYLINDRICAL SURFACE PORTION BEING COAXIAL WITH A CORRESPONDINGG CYLINDRICAL SURFACE PORTION OF THE INNER SURFACE OF THE CASING AND THE ENDS OF SAID PASSAGEWAYS BEING DIRECTLY ADJACENT TO SAID CYLINDRICAL INNER SURFACE PORTION, WHEREBY THE CENTRIFUGAL FLOW FROM SAID PASSAGEWAYS, WHEN SAID ROTOR IS ROTATING, WILL DIRECTLY DISCHARGE BY IMPULSES THROUGH SAID INLET OPENING.
References Cited (Backward Citations)
US1624587A
Cited
US1618210A
Cited
GB471316A
Cited
US2460122A
Cited
US2528515A
Cited
US2755767A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-05-13 | 1966-11-12 | 1967-05-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-05-13 | 1970-11-12 | 1971-05-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-05-13 | 1974-11-12 | 1975-05-14 | $7700.00 | Window Closed / Lapsed |