Patent US3184686A successfully refreshed from Google Patents.
US3184686A
Expired / Lapsed
US
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Optimizing controller
Assignee: Shell USA Inc
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Filing: 1961-08-28
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Granted: 1965-05-18
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Expires: 1981-08-28
Abstract
No abstract record available.
Inventors
- 👤 Benjiman D Stanton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 22:38
CPC Classifications
F; F23; F23N; F23N1/00; F23N1/08; F23N1/082; F23N5/00; F23N5/18; F23N5/184; G; G05; G05B; G05B13/00; G05B13/02; G05B13/0205; G05B13/021; G05B13/0215; F23N2223/00; F23N2223/12; Y; Y10; Y10S; Y10S236/00; Y10S236/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
142 words
AN APPARATUS FOR OPTIMIZING THE OPERATION OF A PROCESS HAVING A PLURALITY OF INDEPENDENTLY CONTROLLED MANIPULATED INPUTS AND AT LEAST ONE CONSTRAINED VARIABLE DEPENDENT UPON SAID INPUTS WHICH COMPRISES: MEANS FOR MEASURING SAID CONSTRAINED VARIABLE; MEANS FOR COMPARING THE MEASURED VALUE OF SAID CONSTRAINED VARIABLE WITH A PRESET VALUE AND PRODUCING A DIFFERENCE SIGNAL; MEANS CONNECTED TO RECEIVE SAID DIFFERENCE SIGNAL FOR PRODUCING AN OUTPUT SIGNAL WHICH VARIES SLOWLY IN ONE DIRECTION WNEN THE DIFFERENCE SIGNAL INDICATES A FAVORABLE RELATION OF THE MEASURED VALUE IN RELATION TO SAID PRESET VALUE AND VARIES RAPIDLY IN THE OPPOSITE DIRECTION WHEN THE DIFFERENCE SIGNAL INDICATES AN UNFAVORABLE RELATION; MEANS FOR CONTROLLING ONE OF SAID INPUTS IN ACCORDANCE WITH SAID MEASURED VALUE AND SAID PRESET VALUE; AND MEANS CONNECTED TO RECEIVE SAID OUTPUT SIGNAL FOR CONTROLLING THE OTHER OF SAID INPUTS INDEPENDENTLY OF SAID ONE INPUT.
Claim 2
Independent Claim
142 words
AN APPARATUS FOR OPTIMIZING THE OPERATION OF A PROCESS HAVING A PLURALITY OF INDEPENDENTLY CONTROLLED MANIPULATED INPUTS AND AT LEAST ONE CONSTRAINED VARIABLE DEPENDENT UPON SAID INPUTS WHICH COMPRISES: MEANS FOR MEASURING SAID CONSTRAINED VARIABLE; MEANS FOR COMPARING THE MEASURED VALUE OF SAID CONSTRAINED VARIABLE WITH A PRESET VALUE AND PRODUCING A DIFFERENCE SIGNAL; MEANS CONNECTED TO RECEIVE SAID DIFFERENCE SIGNAL FOR PRODUCING AN OUTPUT SIGNAL WHICH VARIES SLOWLY IN ONE DIRECTION WNEN THE DIFFERENCE SIGNAL INDICATES A FAVORABLE RELATION OF THE MEASURED VALUE IN RELATION TO SAID PRESET VALUE AND VARIES RAPIDLY IN THE OPPOSITE DIRECTION WHEN THE DIFFERENCE SIGNAL INDICATES AN UNFAVORABLE RELATION; MEANS FOR CONTROLLING ONE OF SAID INPUTS IN ACCORDANCE WITH SAID MEASURED VALUE AND SAID PRESET VALUE; AND MEANS CONNECTED TO RECEIVE SAID OUTPUT SIGNAL FOR CONTROLLING THE OTHER OF SAID INPUTS INDEPENDENTLY OF SAID ONE INPUT.
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) | 1968-05-17 | 1968-11-16 | 1969-05-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-05-17 | 1972-11-16 | 1973-05-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-05-17 | 1976-11-16 | 1977-05-18 | $7700.00 | Window Closed / Lapsed |