US3244370A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluid pulse converter
Assignee: Bowles Engineering Corp
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Filing: 1963-01-18
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Granted: 1966-04-05
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Expires: 1983-01-18
Abstract
No abstract record available.
Inventors
- 👤 John R Colston
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 03:35
CPC Classifications
F; F15; F15C; F15C1/00; F15C1/08; F15C1/10; F15C1/12; Y; Y10; Y10T; Y10T137/00; Y10T137/206; Y10T137/2087; Y10T137/2104; Y10T137/2229; Y10T137/2256
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
208 words
A FLUID AMPLIFIER DEVICE OF TH E BOUNDARY LAYER TYPE COMPRISING AN INTERACTION REGION DEFINED BY A PAIR OF SIDEWALLS AND A FLOW DIVIDER LOCATED AT ONE END OF SAID INTERACTION REGION, A POWER NOZZLE LOCATED AT THE OTHER END OF SAID INTERACTION REGION FOR ISSUING A STREAM OF FLUID TOWARD SAID FLOW DIVIDER, SAID SIDEWALLS BEING LOCATED SUCH WITH RESPECT TO SAID NOZZLE TO ESTABLISH BOUNDARY LAYER EFFECTS BETWEEN SAID SIDEWALLS AND A FLUID STREAM ISSUED BY SAID NOZZLE, SAID FLOW DIVIDER HAVING WALLS DIVERGING OUTWARDLY IN A DOWNSTREAM DIRECTION, A PAIR OF OUTPUT CHANNELS EACH DEFINED BY A DIFFERENT ONE OF SAID SIDEWALLS AND A DIFFERENT ONE OF SAID WALLS OF SAID FLOW DIVIDER, A PAIR OF VENT CHANNELS EACH EXTEDNDING THROUGH A DIFFERENT ONE OF SAID SIDEWALLS AT A LOCATION IN LINE WITH THE UPSTREAM END OF SAID FLOW DIVIDER, SAID VENT CHANNELS COMMUNICATING WITH A REGION OF REFERENCE PRESSURE, SAID FLOW DIVIDER HAVING A CONCAVE REGION FORMED IN THE END THEREOF FACING SAID POWER NOZZLE, SAID REGION DIVERTING A PORTION OF THE FLUID STREAM INTO THE VENT CHANNEL, THE OUTPUT CHANNEL AND THE CONTROL ORIFICE ON THE SIDE OF THE INTERACTION REGION REMOTE FROM THE OUTPUT CHANNEL TO WHICH THE FLUID STREAM IS DIRECTED.
Claim 2
Dependent Claim
208 words
A FLUID AMPLIFIER DEVICE OF TH E BOUNDARY LAYER TYPE COMPRISING AN INTERACTION REGION DEFINED BY A PAIR OF SIDEWALLS AND A FLOW DIVIDER LOCATED AT ONE END OF SAID INTERACTION REGION, A POWER NOZZLE LOCATED AT THE OTHER END OF SAID INTERACTION REGION FOR ISSUING A STREAM OF FLUID TOWARD SAID FLOW DIVIDER, SAID SIDEWALLS BEING LOCATED SUCH WITH RESPECT TO SAID NOZZLE TO ESTABLISH BOUNDARY LAYER EFFECTS BETWEEN SAID SIDEWALLS AND A FLUID STREAM ISSUED BY SAID NOZZLE, SAID FLOW DIVIDER HAVING WALLS DIVERGING OUTWARDLY IN A DOWNSTREAM DIRECTION, A PAIR OF OUTPUT CHANNELS EACH DEFINED BY A DIFFERENT ONE OF SAID SIDEWALLS AND A DIFFERENT ONE OF SAID WALLS OF SAID FLOW DIVIDER, A PAIR OF VENT CHANNELS EACH EXTEDNDING THROUGH A DIFFERENT ONE OF SAID SIDEWALLS AT A LOCATION IN LINE WITH THE UPSTREAM END OF SAID FLOW DIVIDER, SAID VENT CHANNELS COMMUNICATING WITH A REGION OF REFERENCE PRESSURE, SAID FLOW DIVIDER HAVING A CONCAVE REGION FORMED IN THE END THEREOF FACING SAID POWER NOZZLE, SAID REGION DIVERTING A PORTION OF THE FLUID STREAM INTO THE VENT CHANNEL, THE OUTPUT CHANNEL AND THE CONTROL ORIFICE ON THE SIDE OF THE INTERACTION REGION REMOTE FROM THE OUTPUT CHANNEL TO WHICH THE FLUID STREAM IS DIRECTED.
Claim 3
Dependent Claim
237 words
A FLUID AMPLIFIER DEVICE OF THE BOUNDARY LAYER TYPE COMPRISING AN INTERACTION REGION, A FLOW DIVIDER LOCATED AT ONE END OF SAID INTERACTION REGION A NOZZLE LOCATED AT THE OTHER END OF SAID INTERACTION REGION FOR DIRECTING FLUID TOWARD SAID FLOW DIVIDER, A PAIR OF FLUID RECEIVING OUPUT CHANNELS EXTENDING ALONG OPPOSITE SIDES OF SAID FLOW DIVIDER, A PAIR OF CONTROL ORIFICES DISPOSED ON OPPOSITE SIDES OF SAID NOZZLE AND ADJACENT THERETO, MEANS FOR ESTABLISHING BOUNDARY LAYER EFFECTS INCLUDING A BOOSTER SECTION LOCATED BETWEEN SAID CONTROL ORIFICES AND SAID NOZZLE, SAID BOOSTER SECTION COMPRISING A REGION HAVING WALLS EXTENDING FROM THE END OF SAID NOZZLE TOWARD SAID FLOW DIVIDER AND BEING SPACED TO DEFINE A PASSGE WIDER THAN SAID NOZZLE AND NARROWER THAN THE NARROWEST TRANSVERSE DIMENSION OF SAID INTERACTION REGION WHEREBY BOUNDARY LAYER EFFECTS ARE ESTABLISHED BETWEEN SAID WALLS AND A FLUID STREAM ISSUED BY SAID NOZZLE, A PAIR OF VENT CHANNELS EXTENDING INTO SAID INTERACTION REGION ADJACENT THE UPSTREAM END OF SAID FLOW DIVIDER, SAID VENT CHANNELS COMMUNICATING WITH A REFERNCE PRESSURE, A PAIR OF INPUT CHANNELS EACH EXTENDING FROM A DIFFERENT ONE OF SAID CONTROL ORIFICES ALONG A DIFFERENT SIDE OF AND ISOLATED FROM SAID NOZZLE, SAID INPUT CHANNESL JOINING UPSTREAM OF SAID NOZZLE, SAID INTERACTION REGION AND SAID INPUT CHANNESL DEFINING AN ISLAND DIVIDER, AND AN INPUT NOZZLE FOR DIRECTING FLUID FLOW TOWARD SAID ISLAND DIVIDER AT THE JUNCTION OF SAID INPUT CHANNELS.
Claim 4
Dependent Claim
237 words
A FLUID AMPLIFIER DEVICE OF THE BOUNDARY LAYER TYPE COMPRISING AN INTERACTION REGION, A FLOW DIVIDER LOCATED AT ONE END OF SAID INTERACTION REGION A NOZZLE LOCATED AT THE OTHER END OF SAID INTERACTION REGION FOR DIRECTING FLUID TOWARD SAID FLOW DIVIDER, A PAIR OF FLUID RECEIVING OUPUT CHANNELS EXTENDING ALONG OPPOSITE SIDES OF SAID FLOW DIVIDER, A PAIR OF CONTROL ORIFICES DISPOSED ON OPPOSITE SIDES OF SAID NOZZLE AND ADJACENT THERETO, MEANS FOR ESTABLISHING BOUNDARY LAYER EFFECTS INCLUDING A BOOSTER SECTION LOCATED BETWEEN SAID CONTROL ORIFICES AND SAID NOZZLE, SAID BOOSTER SECTION COMPRISING A REGION HAVING WALLS EXTENDING FROM THE END OF SAID NOZZLE TOWARD SAID FLOW DIVIDER AND BEING SPACED TO DEFINE A PASSGE WIDER THAN SAID NOZZLE AND NARROWER THAN THE NARROWEST TRANSVERSE DIMENSION OF SAID INTERACTION REGION WHEREBY BOUNDARY LAYER EFFECTS ARE ESTABLISHED BETWEEN SAID WALLS AND A FLUID STREAM ISSUED BY SAID NOZZLE, A PAIR OF VENT CHANNELS EXTENDING INTO SAID INTERACTION REGION ADJACENT THE UPSTREAM END OF SAID FLOW DIVIDER, SAID VENT CHANNELS COMMUNICATING WITH A REFERNCE PRESSURE, A PAIR OF INPUT CHANNELS EACH EXTENDING FROM A DIFFERENT ONE OF SAID CONTROL ORIFICES ALONG A DIFFERENT SIDE OF AND ISOLATED FROM SAID NOZZLE, SAID INPUT CHANNESL JOINING UPSTREAM OF SAID NOZZLE, SAID INTERACTION REGION AND SAID INPUT CHANNESL DEFINING AN ISLAND DIVIDER, AND AN INPUT NOZZLE FOR DIRECTING FLUID FLOW TOWARD SAID ISLAND DIVIDER AT THE JUNCTION OF SAID INPUT CHANNELS.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-04-04 | 1969-10-04 | 1970-04-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-04-04 | 1973-10-04 | 1974-04-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-04-04 | 1977-10-04 | 1978-04-05 | $7700.00 | Window Closed / Lapsed |