US3238960A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluid frequency system
Assignee: Schneider Electric Systems USA Inc
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Filing: 1963-10-10
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Granted: 1966-03-08
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Expires: 1983-10-10
Abstract
No abstract record available.
Inventors
- 👤 Jr Richard W Hatch
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 19:02
CPC Classifications
F; F15; F15C; F15C1/00; F15C1/14; F15C1/22; Y; Y10; Y10S; Y10S200/00; Y10S200/05; Y10T; Y10T137/00; Y10T137/206; Y10T137/2087; Y10T137/2098; Y10T137/2104; Y10T137/2109; Y10T137/212; Y10T137/2125; Y10T137/2147; Y10T137/2153; Y10T137/2229; Y10T137/2234
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
275 words
A FLUID OSCILLATOR DEVICE FOR PRODUCING A FREQUENCY OUTPUT IN RESPONSE TO A PRESSURE INPUT, WITH OUTPUT FREQUENCY VARIANT REPRESENTATIVE OF INPUT PRESSURE VARLANT, SAID DEVICE COMPRISING A FLUID LOGIC Y, A FLUID PRESSURE INPUT TO THE BASE OF SAID Y TO BE TRAVELLED OUT THROUGH ONE OF THE ARMS OF SAID Y, TRANSVERSE FLUID CONTROL INPUTS OPPOSITELY ENTERED TO SAID DEVICE AT THE JUNCTION AREA OF SAID BASE AND ARMS OF SAID Y, A FLUID VORTEX CHAMBER, A FLUID CONNECTION FROM EACH OF SAID ARMS OF SAID Y TO SAID VERTEX CHAMBER IN OPPOSITELY PERIPHERAL ENTRANCE DIRECTIONS WHEREBY FLUID FROM ONE OF SAID ARMS PRODUCES A CLOCKWISE VORTEX AND FLUID FROM THE OTHER OF SID ARMS PRODUCES A COUNTER-CLOCKWISE VORTEX, AN EXTIT PASSAGE CENTRALLY IN SAID VORTEX CHAMBER OF EXITING FLUID FROM SAID VORTEX IN BOTH CLOCKWISE AND COUNTER-CLOCKWISE CONDITION, A PAIR OF FEEDBACK PASSAGES FROM SAID VORTEX CHAMBER, PERIPHERALLY AND TANGENTIALLY DISPOSED WITH RESPECT TO SAID CHAMBER AND OPPOSITELY WITH RESPECT TO EACH OTHER WHEREBY A CLOCKWISE VORTEX PRODUCES A FEEDBACK SIGNAL IN ONE OF SAID FEEDBACK PASSAGES AND A COUNTER-CLOCKWISE VORTEX PRODUCES A FEEDBACK SIGNAL IN THE OTHER OF SAID FEEDBACK PASSAGES, EACH OF SAID FEEDBACK PASSAGES BEING CONNECTED TO A DIFFERENT ONE OF SAID TRANSVERSE CONTROL PASSAGES WHEREBY A CLOCKWISE VORTEX CONDITION PRODUCES A FEEDBACK SIGNAL WHICH CHANGES THE STATE OF THE FLUID DEVICE AND PRODUCES A COUNTER-CLOCKWISE VORTEX CONDITION AND VICE-VERSA, RESULTING IN A SERIES OF FEEDBACK SIGNALS REPRESENTATIVE OF THE INPUT PRESSURE TO SAID FLUID DEVICE, AND MEANS FOR SENSING SAID FEEDBACK SIGNALS IN AT LEAST ONE OF SAID FEEDBACK PASSAGES AS A FREQUENCY OUTPUT FOR SAID FLUID DEVICE.
Claim 2
Dependent Claim
275 words
A FLUID OSCILLATOR DEVICE FOR PRODUCING A FREQUENCY OUTPUT IN RESPONSE TO A PRESSURE INPUT, WITH OUTPUT FREQUENCY VARIANT REPRESENTATIVE OF INPUT PRESSURE VARLANT, SAID DEVICE COMPRISING A FLUID LOGIC Y, A FLUID PRESSURE INPUT TO THE BASE OF SAID Y TO BE TRAVELLED OUT THROUGH ONE OF THE ARMS OF SAID Y, TRANSVERSE FLUID CONTROL INPUTS OPPOSITELY ENTERED TO SAID DEVICE AT THE JUNCTION AREA OF SAID BASE AND ARMS OF SAID Y, A FLUID VORTEX CHAMBER, A FLUID CONNECTION FROM EACH OF SAID ARMS OF SAID Y TO SAID VERTEX CHAMBER IN OPPOSITELY PERIPHERAL ENTRANCE DIRECTIONS WHEREBY FLUID FROM ONE OF SAID ARMS PRODUCES A CLOCKWISE VORTEX AND FLUID FROM THE OTHER OF SID ARMS PRODUCES A COUNTER-CLOCKWISE VORTEX, AN EXTIT PASSAGE CENTRALLY IN SAID VORTEX CHAMBER OF EXITING FLUID FROM SAID VORTEX IN BOTH CLOCKWISE AND COUNTER-CLOCKWISE CONDITION, A PAIR OF FEEDBACK PASSAGES FROM SAID VORTEX CHAMBER, PERIPHERALLY AND TANGENTIALLY DISPOSED WITH RESPECT TO SAID CHAMBER AND OPPOSITELY WITH RESPECT TO EACH OTHER WHEREBY A CLOCKWISE VORTEX PRODUCES A FEEDBACK SIGNAL IN ONE OF SAID FEEDBACK PASSAGES AND A COUNTER-CLOCKWISE VORTEX PRODUCES A FEEDBACK SIGNAL IN THE OTHER OF SAID FEEDBACK PASSAGES, EACH OF SAID FEEDBACK PASSAGES BEING CONNECTED TO A DIFFERENT ONE OF SAID TRANSVERSE CONTROL PASSAGES WHEREBY A CLOCKWISE VORTEX CONDITION PRODUCES A FEEDBACK SIGNAL WHICH CHANGES THE STATE OF THE FLUID DEVICE AND PRODUCES A COUNTER-CLOCKWISE VORTEX CONDITION AND VICE-VERSA, RESULTING IN A SERIES OF FEEDBACK SIGNALS REPRESENTATIVE OF THE INPUT PRESSURE TO SAID FLUID DEVICE, AND MEANS FOR SENSING SAID FEEDBACK SIGNALS IN AT LEAST ONE OF SAID FEEDBACK PASSAGES AS A FREQUENCY OUTPUT FOR SAID FLUID DEVICE.
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) | 1969-03-07 | 1969-09-06 | 1970-03-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-03-07 | 1973-09-06 | 1974-03-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-03-07 | 1977-09-06 | 1978-03-08 | $7700.00 | Window Closed / Lapsed |