Patent US3326463A successfully refreshed from Google Patents.
US3326463A
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US
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Fluid shift register
Assignee: Unisys Corp
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Filing: 1964-12-04
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Granted: 1967-06-20
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Expires: 1984-12-04
Abstract
No abstract record available.
Inventors
- 👤 Reader Trevor Drake
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 18:49
CPC Classifications
F; F15; F15C; F15C1/00; F15C1/08; F15C1/10; F15C1/12; Y; Y10; Y10T; Y10T137/00; Y10T137/206; Y10T137/212; Y10T137/2125; Y10T137/2147
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
216 words
A FLUID SHIFT REGISTER COMPRISING, A PLURALITY OF TRISTABLE FLUID AMPLIFIER ELEMENTS CONNECTED IN CASCADE, EACH OF SAID ELEMENTS COMPRISING A POWER INPUT CHANNEL, TWO CONTROL CHANNELS AND THREE OUTPUT CHANNELS, THE FIRST OF SAID OUTPUT CHANNELS BEING ALIGNED WITH SAID POWER INPUT CHANNEL AND ADAPTED TO RECEIVE A POWER JET FROM SAID INPUT CHANNEL WHEN NEITHER OF SAID CONTROL CHANNELS ARE ENERGIZED, EACH OF SAID TRI-STABLE AMPLIFIERS BEING OPERATIVE SO THAT A FLUID CONTROL SIGNAL APPLIED TO EITHER OF SAID CONTROL CHANNELS WILL SWITCH THE POWER JET FROM SAID POWER INPUT CHANNEL TO EITHER THE SECOND OR THIRD OUTPUT CHANNEL IN DEPENDENCE UPON WHICH CONTROL CHANNEL IS ENERGIZED, MEANS COUPLING THE SECOND AND THIRD OUTPUT CHANNELS OF EACH AMPLIFIER TO RESPECTIVE CONTROL CHANNELS OF THE NEXT HIGHER ORDER STAGE IN THE CASCADE, A SEPARATE FLUID SWITCHING ELEMENT INSERTED IN THE POWER INPUT CHANNEL OF EACH OF SAID TRI-STABLE AMPLIFIERS, EACH OF SAID FLUID SWITCHING ELEMENT HAVING A CONTROL INPUT WHICH WHEN SUBJECTED TO A FLUID PRESSURE SIGNAL WILL ACT TO INTERRUPT THE FLOW OF FLUID THROUGH THE POWER INPUT CHANNEL OF THE ASSOCIATED TRI-STABLE AMPLIFIER, AND MEANS COUPLING THE SECOND AND THIRD OUTPUT CHANNELS OF EACH TRI-STABLE AMPLIFIER TO THE CONTROL INPUT OF THE FLUID SWITCHING ELEMENT OF THE IMMEDIATELY PRECEDING STAGE OF THE CASCADE.
Claim 2
Dependent Claim
216 words
A FLUID SHIFT REGISTER COMPRISING, A PLURALITY OF TRISTABLE FLUID AMPLIFIER ELEMENTS CONNECTED IN CASCADE, EACH OF SAID ELEMENTS COMPRISING A POWER INPUT CHANNEL, TWO CONTROL CHANNELS AND THREE OUTPUT CHANNELS, THE FIRST OF SAID OUTPUT CHANNELS BEING ALIGNED WITH SAID POWER INPUT CHANNEL AND ADAPTED TO RECEIVE A POWER JET FROM SAID INPUT CHANNEL WHEN NEITHER OF SAID CONTROL CHANNELS ARE ENERGIZED, EACH OF SAID TRI-STABLE AMPLIFIERS BEING OPERATIVE SO THAT A FLUID CONTROL SIGNAL APPLIED TO EITHER OF SAID CONTROL CHANNELS WILL SWITCH THE POWER JET FROM SAID POWER INPUT CHANNEL TO EITHER THE SECOND OR THIRD OUTPUT CHANNEL IN DEPENDENCE UPON WHICH CONTROL CHANNEL IS ENERGIZED, MEANS COUPLING THE SECOND AND THIRD OUTPUT CHANNELS OF EACH AMPLIFIER TO RESPECTIVE CONTROL CHANNELS OF THE NEXT HIGHER ORDER STAGE IN THE CASCADE, A SEPARATE FLUID SWITCHING ELEMENT INSERTED IN THE POWER INPUT CHANNEL OF EACH OF SAID TRI-STABLE AMPLIFIERS, EACH OF SAID FLUID SWITCHING ELEMENT HAVING A CONTROL INPUT WHICH WHEN SUBJECTED TO A FLUID PRESSURE SIGNAL WILL ACT TO INTERRUPT THE FLOW OF FLUID THROUGH THE POWER INPUT CHANNEL OF THE ASSOCIATED TRI-STABLE AMPLIFIER, AND MEANS COUPLING THE SECOND AND THIRD OUTPUT CHANNELS OF EACH TRI-STABLE AMPLIFIER TO THE CONTROL INPUT OF THE FLUID SWITCHING ELEMENT OF THE IMMEDIATELY PRECEDING STAGE OF THE CASCADE.
Claim 3
Dependent Claim
109 words
A FLUID LOGIC ELEMENT COMPRISING, A FLUID INTERACTION CHAMBER, A FLUID POWER NOZZLE LOCATED AT ONE END OF SAID CHAMBER AND ADAPTED WHEN A FLUID PRESSURE IS APPLIED THERETO TO PROJECT A FLUID POWER STREAM THROUGH SAID INTERACTION CHAMBER, A FIRST FLUID RECEIVER CHANNEL LOCATED DOWNSTREAM FROM SAID POWER NOZZLE AND IN LINE THEREWITH, SECOND AND THIRD FLUID RECEIVER CHANNELS LOCATED ON OPPOSITE SIDES OF SAID FIRST RECEIVER CHANNEL, FIRST AND SECOND CONTROL ORIFICES DISPOSED ADJACENT SAID POWER NOZZLE AND ON OPPOSITE SIDES THEREOF, A FIRST VENTING PASSAGEWAY INTERPOSED BETWEEN SAID FIRST AND SECOND RECEIVER CHANNELS AND A SECOND VENTING PASSAGEWAY INTERPOSED BETWEEN SAID FIRST AND THIRD RECEIVER CHANNELS.
Claim 4
Dependent Claim
109 words
A FLUID LOGIC ELEMENT COMPRISING, A FLUID INTERACTION CHAMBER, A FLUID POWER NOZZLE LOCATED AT ONE END OF SAID CHAMBER AND ADAPTED WHEN A FLUID PRESSURE IS APPLIED THERETO TO PROJECT A FLUID POWER STREAM THROUGH SAID INTERACTION CHAMBER, A FIRST FLUID RECEIVER CHANNEL LOCATED DOWNSTREAM FROM SAID POWER NOZZLE AND IN LINE THEREWITH, SECOND AND THIRD FLUID RECEIVER CHANNELS LOCATED ON OPPOSITE SIDES OF SAID FIRST RECEIVER CHANNEL, FIRST AND SECOND CONTROL ORIFICES DISPOSED ADJACENT SAID POWER NOZZLE AND ON OPPOSITE SIDES THEREOF, A FIRST VENTING PASSAGEWAY INTERPOSED BETWEEN SAID FIRST AND SECOND RECEIVER CHANNELS AND A SECOND VENTING PASSAGEWAY INTERPOSED BETWEEN SAID FIRST AND THIRD RECEIVER 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) | 1970-06-19 | 1970-12-19 | 1971-06-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-06-19 | 1974-12-19 | 1975-06-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-06-19 | 1978-12-19 | 1979-06-20 | $7700.00 | Window Closed / Lapsed |