US3283768A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vented pure fluid analog amplifier
Assignee: Bowles Engineering Corp
•
Filing: 1963-11-20
•
Granted: 1966-11-08
•
Expires: 1983-11-20
Abstract
No abstract record available.
Inventors
- 👤 Francis M Manion
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 07:41
CPC Classifications
F; F15; F15C; F15C1/00; F15C1/08; Y; Y10; Y10T; Y10T137/00; Y10T137/206; Y10T137/2229; Y10T137/2256; Y10T137/2262
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
179 words
A PURE FLUID AMPLIFIER OF THE COMBINED STREAM INTERACTION AND BOUNDARY LAYER TYPE COMPRISING AN INTERACTION REGION, AT LEAST ONE OUTPUT CHANNEL, A DIVIDER DEFINING A WALL OF SAID OUTPUT CHANNEL, A POWER NOZZLE FOR ISSUING A STREAM OF FLUID THROUGH SAID INTERACTION REGION AND TOWARD SAID OUTLET PASSAGE SUCH THAT AT LEAST A PORTION OF SAID POWER STREAM WHEN UNDEFLECTED ENTERS SAID OUTLET PASSAGE, A SIDEWALL DEFINING A LOCATED BOUNDARY OF SAID INTERACTION REGION AND ONE WALL OF SAID OUTPUT CHANNEL, SAID SIDEWALL DIVERGING OUTWARDLY FROM A POINT ADJACENT SAID POWER NOZZLE BEING LOCATED SUFFICIENTLY CLOSE TO SAID POWER STREAM TO HAVE BOUNDARY LAYER EFFECTS ESTABLISHED BETWEEN SAID POWER STREAM AND SAID SIDEWALL, MEANS FOR ISSUING A STREAM OF FLUID FOR DEFLECTING SAID POWER STREAM TOWARDS SAID SIDEWALL, A VENT PASSAGE EXTENDING THROUGH SAID SIDEWALL TO PROVIDE COMMUNICATION BETWEEN SAID INTERACTION REGION AND A GENERALLY PREDETERMINED PRESSURE, SAID VENT PASSAGE ENTERING SAID REGION AT A LOCATION DOWNWARDLY OF AND IMMEDIATELY ADJACENT TO THE EXTREME UPSTREAM LOCATION OF THE POINTS OF ATTACHMENT OF THE POWER STREAM TO SAID SIDEWALL.
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) | 1969-11-07 | 1970-05-09 | 1970-11-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-11-07 | 1974-05-09 | 1974-11-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-11-07 | 1978-05-09 | 1978-11-08 | $7700.00 | Window Closed / Lapsed |