Patent US3402727A successfully refreshed from Google Patents.
US3402727A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluid amplifier function generator
Assignee: General Electric Co
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Filing: 1964-09-23
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Granted: 1968-09-24
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Expires: 1984-09-23
Abstract
No abstract record available.
Inventors
- 👤 Boothe Willis Anson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 04:35
CPC Classifications
F; F15; F15C; F15C1/00; F15C1/14; Y; Y10; Y10T; Y10T137/00; Y10T137/0318; Y10T137/0391; Y10T137/206; Y10T137/218; Y10T137/2191; Y10T137/2229; Y10T137/2234
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
249 words
A FLUID AMPLIFIER COMPRISING, A POWER NOZZLE FROM WHICH A FLUID POWER JET IS DISCHARGED, A PAIR OF RECEIVERS DOWNSTREAM OF SAID NOZZLE, SAID RECEIVERS COMPRISING PASSAGEWAYS RESPECTIVELY HAVING ENTRANCES ON OPPOSITE SIDES OF THE NOMINAL PATH OF THE POWER JET AND OUTLETS FROM WHICH AN OUTPUT SIGNAL IS DERIVED, A PAIR OF CONTROL PORTS RESPECTIVELY DISPOSED ON OPPOSITE SIDES OF SAID POWER JET WHEREBY PRESSURE SIGNALS AT SAID CONTROL PORTS WILL DEFLECT SAID POWER JET TOWARDS ONE OR THE OTHER OF SAID RECEIVERS TO ALTERNATELY CHANGED THE PRESSURIZATION OF SAID RECEIVERS AND PROVIDE AN OUTPUT SIGNAL THEREFROM, A PAIR OF FEEDBACK PORTS RESPECTIVELY DISPOSED ON OPPOSITE SIDES THEREFROM JET, VENTING MEANS BETWEEN SAID PORTS AND SAID RECEIVERS AND FLOW RESTRICTIVE, PASSAGEWAY MEANS RESPECTIVELY CONNECTING EACH RECEIVER PASSAGEWAY WITH THE FEEDBACK PORT ON THE SAME SIDE OF SAID POWER JET, AND CONNECTING PASSAGEWAY MEANS PRESSURIZING EACH FEEDBACK PORT TO A LESSER DEGREE THAN THE RESPECTIVE RECEIVER PASSAGEWAY, IN OPPOSITION TO THE CONTROL SIGNAL WHICH HAS PRESSURIZED THE RECEIVER TO WHICH THE FEEDBACK PORT IS CONNECTED, MEANS, DOWNSTREAM OF EACH CONNECTING PASSAGEWAY MEANS FOR RESTRICTING FLOW THROUGH SAID RECEIVER PASSAGEWAYS AND THUS ASSURING THE RELATIVE PRESSURIZATION OF SAID RECEIVER PASSAGEWAYS AND SAID FEEDBACK PORTS, SAID CONNECTING PASSAGEWAY MEANS FURTHER INCLUDING MEANS FOR ATTENUATING RELATIVELY RAPID PRESSURE VARIATIONS IN THE FLOW OF FLUID THERETHROUGH, WHEREBY, FOR A GIVEN STRENGTH CONTROL SIGNAL, THE RECEIVER SIGNAL PRESSURE WILL INCREASE AS THE OPPOSITION SIGNAL DECREASES WITH HIGHER RATES OF CHANGE IN RECEIVER SIGNAL PRESSURE.
Claim 2
Dependent Claim
249 words
A FLUID AMPLIFIER COMPRISING, A POWER NOZZLE FROM WHICH A FLUID POWER JET IS DISCHARGED, A PAIR OF RECEIVERS DOWNSTREAM OF SAID NOZZLE, SAID RECEIVERS COMPRISING PASSAGEWAYS RESPECTIVELY HAVING ENTRANCES ON OPPOSITE SIDES OF THE NOMINAL PATH OF THE POWER JET AND OUTLETS FROM WHICH AN OUTPUT SIGNAL IS DERIVED, A PAIR OF CONTROL PORTS RESPECTIVELY DISPOSED ON OPPOSITE SIDES OF SAID POWER JET WHEREBY PRESSURE SIGNALS AT SAID CONTROL PORTS WILL DEFLECT SAID POWER JET TOWARDS ONE OR THE OTHER OF SAID RECEIVERS TO ALTERNATELY CHANGED THE PRESSURIZATION OF SAID RECEIVERS AND PROVIDE AN OUTPUT SIGNAL THEREFROM, A PAIR OF FEEDBACK PORTS RESPECTIVELY DISPOSED ON OPPOSITE SIDES THEREFROM JET, VENTING MEANS BETWEEN SAID PORTS AND SAID RECEIVERS AND FLOW RESTRICTIVE, PASSAGEWAY MEANS RESPECTIVELY CONNECTING EACH RECEIVER PASSAGEWAY WITH THE FEEDBACK PORT ON THE SAME SIDE OF SAID POWER JET, AND CONNECTING PASSAGEWAY MEANS PRESSURIZING EACH FEEDBACK PORT TO A LESSER DEGREE THAN THE RESPECTIVE RECEIVER PASSAGEWAY, IN OPPOSITION TO THE CONTROL SIGNAL WHICH HAS PRESSURIZED THE RECEIVER TO WHICH THE FEEDBACK PORT IS CONNECTED, MEANS, DOWNSTREAM OF EACH CONNECTING PASSAGEWAY MEANS FOR RESTRICTING FLOW THROUGH SAID RECEIVER PASSAGEWAYS AND THUS ASSURING THE RELATIVE PRESSURIZATION OF SAID RECEIVER PASSAGEWAYS AND SAID FEEDBACK PORTS, SAID CONNECTING PASSAGEWAY MEANS FURTHER INCLUDING MEANS FOR ATTENUATING RELATIVELY RAPID PRESSURE VARIATIONS IN THE FLOW OF FLUID THERETHROUGH, WHEREBY, FOR A GIVEN STRENGTH CONTROL SIGNAL, THE RECEIVER SIGNAL PRESSURE WILL INCREASE AS THE OPPOSITION SIGNAL DECREASES WITH HIGHER RATES OF CHANGE IN RECEIVER SIGNAL PRESSURE.
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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) | 1971-09-24 | 1972-03-25 | 1972-09-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-09-24 | 1976-03-25 | 1976-09-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-09-24 | 1980-03-25 | 1980-09-24 | $7700.00 | Window Closed / Lapsed |