Patent US3144037A successfully refreshed from Google Patents.
US3144037A
Expired / Lapsed
US
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Electro-sonic fluid amplifier
Assignee: Unisys Corp
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Filing: 1961-02-16
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Granted: 1964-08-11
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Expires: 1981-02-16
Abstract
No abstract record available.
Inventors
- 👤 Cargill Norman Allen
- 👤 Reader Trevor Drake
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 16:16
CPC Classifications
F; F15; F15C; F15C1/00; F15C1/02; F15C1/04; Y; Y10; Y10T; Y10T137/00; Y10T137/206; Y10T137/218; Y10T137/2191; Y10T137/2196; Y10T137/2229; Y10T137/224; Y10T137/2245
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
106 words
A TRISTABLE DEVICE COMPRISING: A FLUID AMPLIFIER OF THE TYPE HAVING INTERCONNECTED FLUID PASSAGEWAYS WHEREBY A FLUID POWER STREAM MAY FLOW FROM AN INPUT CHAMBER TO ANY ONE OF THREE OUTPUT PASSAGEWAYS; FIRST, SECOND, AND THIRD CONTROL SIGNAL INPUT CHAMBERS EACH HAVING AN ORIFICE ADJACENT THE FLOW PATH OF SAID FLUID POWER STREAM FOR DEFLECTING SAID FLUID STREAM TO ONE OF SAID OUTPUT PASSAGEWAYS; A DIAPHRAGM FOR EACH OF SAID FLUID CONTROL SIGNAL INPUT CHAMBERS FOR GENERATING COMPRESSIONAL WAVE CONTROL SIGNALS THEREIN; AND MEANS FOR SELECTIVELY AND SIMULTANEOUSLY VIBRATING SAID DIAPHRAGMS IN PAIRS TO THEREBY DEFLECT SAID FLUID POWER STREAM TO ONE OF SAID OUTPUT PASSAGEWAYS.
Claim 2
Dependent Claim
106 words
A TRISTABLE DEVICE COMPRISING: A FLUID AMPLIFIER OF THE TYPE HAVING INTERCONNECTED FLUID PASSAGEWAYS WHEREBY A FLUID POWER STREAM MAY FLOW FROM AN INPUT CHAMBER TO ANY ONE OF THREE OUTPUT PASSAGEWAYS; FIRST, SECOND, AND THIRD CONTROL SIGNAL INPUT CHAMBERS EACH HAVING AN ORIFICE ADJACENT THE FLOW PATH OF SAID FLUID POWER STREAM FOR DEFLECTING SAID FLUID STREAM TO ONE OF SAID OUTPUT PASSAGEWAYS; A DIAPHRAGM FOR EACH OF SAID FLUID CONTROL SIGNAL INPUT CHAMBERS FOR GENERATING COMPRESSIONAL WAVE CONTROL SIGNALS THEREIN; AND MEANS FOR SELECTIVELY AND SIMULTANEOUSLY VIBRATING SAID DIAPHRAGMS IN PAIRS TO THEREBY DEFLECT SAID FLUID POWER STREAM TO ONE OF SAID OUTPUT PASSAGEWAYS.
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) | 1967-08-11 | 1968-02-10 | 1968-08-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-08-11 | 1972-02-10 | 1972-08-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-08-11 | 1976-02-10 | 1976-08-11 | $7700.00 | Window Closed / Lapsed |