US3247861A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluid device
Assignee: Unisys Corp
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Filing: 1963-11-20
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Granted: 1966-04-26
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Expires: 1983-11-20
Abstract
No abstract record available.
Inventors
- 👤 Bauer Peter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 05:38
CPC Classifications
F; F15; F15C; F15C1/00; F15C1/22; Y; Y10; Y10T; Y10T137/00; Y10T137/206; Y10T137/2087; Y10T137/2104; Y10T137/2229; Y10T137/2234; Y10T137/2256
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
103 words
A PURE FLUID OSCILLATOR COMPRISING: A FLUID AMPLIFIER OF THE TYPE HAVING A FIRST VORTEX CHAMBER SHAPED TO PERMIT A WHIRLING MOVEMENT OF FLUID THEREIN, SAID AMPLIFIER FURTHER INCLUDING FIRST AND SECOND CONTROL NOZZLES AND A POWER NOZZLE FOR INJECTING A POWER STREAM INTO SAID CHAMBER BETWEEN SAID CONTROL NOZZLES; MEANS DEFINING A SECOND VORTEX CHAMBER SHAPED TO PERMIT A WHIRLING MOVEMENT OF FLUID THEREIN, SAID SECOND CHAMBER INTERSECTING SAID FIRST CHAMBER WHEREBY A POWER STREAM MAY FLOW INTO SAID SECOND CHAMBER FROM SAID FIRST CHAMBER; AN OUTPUT CHANNEL INTERSECTING SAID SECOND CHAMBER AT A REGION INTERMEDIATE THE ENDS OF SAID CHANNEL WHEREBY
Claim 2
Dependent Claim
103 words
A PURE FLUID OSCILLATOR COMPRISING: A FLUID AMPLIFIER OF THE TYPE HAVING A FIRST VORTEX CHAMBER SHAPED TO PERMIT A WHIRLING MOVEMENT OF FLUID THEREIN, SAID AMPLIFIER FURTHER INCLUDING FIRST AND SECOND CONTROL NOZZLES AND A POWER NOZZLE FOR INJECTING A POWER STREAM INTO SAID CHAMBER BETWEEN SAID CONTROL NOZZLES; MEANS DEFINING A SECOND VORTEX CHAMBER SHAPED TO PERMIT A WHIRLING MOVEMENT OF FLUID THEREIN, SAID SECOND CHAMBER INTERSECTING SAID FIRST CHAMBER WHEREBY A POWER STREAM MAY FLOW INTO SAID SECOND CHAMBER FROM SAID FIRST CHAMBER; AN OUTPUT CHANNEL INTERSECTING SAID SECOND CHAMBER AT A REGION INTERMEDIATE THE ENDS OF SAID CHANNEL WHEREBY
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) | 1969-04-25 | 1969-10-25 | 1970-04-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-04-25 | 1973-10-25 | 1974-04-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-04-25 | 1977-10-25 | 1978-04-26 | $7700.00 | Window Closed / Lapsed |