US3225780A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pressure recovery from bistable element
Assignee: Individual
•
Filing: 1963-05-20
•
Granted: 1965-12-28
•
Expires: 1983-05-20
Abstract
No abstract record available.
Inventors
- 👤 Raymond W Warren
- 👤 Ralph G Barclay
- 👤 John G Moorhead
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 12:15
CPC Classifications
F; F15; F15C; F15C1/00; F15C1/08; Y; Y10; Y10S; Y10S239/00; Y10S239/03; Y10T; Y10T137/00; Y10T137/206; Y10T137/2087; Y10T137/2104
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
132 words
A PURE FLUID SYSTEM COMPRISING AN INTERACTION CHAMBER FOR RECEIVING AND CONFINING FLUID FLOW, A POWER NOZZLE FOR ISSUING A POWER STREAM INTO ONE END OF SAID CHAMBER, A CONTROL NOZZLE FOR ISSUING A CONTROL STREAM IN INTERACTING RELATIONSHIP WITH SAID POWER STREAM FOR EFFECTING AMPLIFIED DIRECTIONAL DISPLACEMENT THEREOF, PLURAL PASSAGES LOCATED DOWNSTREAM OF SAID INTERACTION CHAMBER FOR RECEIVING FLUID FLOW THEREFROM, A SUBSTANTIALLY WEDGE SHAPED FLOW SPLITTER LOCATED BETWEEN SAID PASSAGES FOR SPLITTING FLOW INTO SAID PASAGES, A CONCAVE TIP FORMED AT THE COVERGING END OF SAID FLOW SPLITTER FOR RECEIVING FLUID FROM SAID POWER NOZZLE AND A DUCT EXTENDING LATERALLY FROM AT LEAST ONE OF SAID PASSAGES DOWNSTREAM OF THE APEX OF SAID FLOW SPLITTER AND COMMUNICATING WITH A PREDETERMINED FLUID ENVIRONMENT, THE WALLS FORMING SAID DUCT BEING SUBSTANTIALLY PARALLEL.
Claim 2
Dependent Claim
132 words
A PURE FLUID SYSTEM COMPRISING AN INTERACTION CHAMBER FOR RECEIVING AND CONFINING FLUID FLOW, A POWER NOZZLE FOR ISSUING A POWER STREAM INTO ONE END OF SAID CHAMBER, A CONTROL NOZZLE FOR ISSUING A CONTROL STREAM IN INTERACTING RELATIONSHIP WITH SAID POWER STREAM FOR EFFECTING AMPLIFIED DIRECTIONAL DISPLACEMENT THEREOF, PLURAL PASSAGES LOCATED DOWNSTREAM OF SAID INTERACTION CHAMBER FOR RECEIVING FLUID FLOW THEREFROM, A SUBSTANTIALLY WEDGE SHAPED FLOW SPLITTER LOCATED BETWEEN SAID PASSAGES FOR SPLITTING FLOW INTO SAID PASAGES, A CONCAVE TIP FORMED AT THE COVERGING END OF SAID FLOW SPLITTER FOR RECEIVING FLUID FROM SAID POWER NOZZLE AND A DUCT EXTENDING LATERALLY FROM AT LEAST ONE OF SAID PASSAGES DOWNSTREAM OF THE APEX OF SAID FLOW SPLITTER AND COMMUNICATING WITH A PREDETERMINED FLUID ENVIRONMENT, THE WALLS FORMING SAID DUCT BEING SUBSTANTIALLY PARALLEL.
References Cited (Backward Citations)
US3124999A
Cited
US1658797A
Cited
FR1278782A
Cited
US3168897A
Cited
US3122039A
Cited
US3181546A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-12-27 | 1969-06-28 | 1969-12-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-12-27 | 1973-06-28 | 1973-12-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-12-27 | 1977-06-28 | 1977-12-28 | $7700.00 | Window Closed / Lapsed |