US3385680A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluid blending system
Assignee: Mobil Oil AS
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Filing: 1962-10-25
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Granted: 1968-05-28
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Expires: 1982-10-25
Abstract
No abstract record available.
Inventors
- 👤 Robert T Feld
- 👤 Jr Thomas C Cattrall
- 👤 Herman F Hoffmann
- 👤 Charles N Smith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 17:12
CPC Classifications
B; B67; B67D; B67D7/00; B67D7/06; B67D7/74; B67D7/743; B67D7/744; C; C10; C10L; C10L1/00; C10L1/04; C10L1/06; G; G05; G05D; G05D21/00; G05D21/02; B67D2007/745; B67D2007/748; B67D2007/749; Y; Y10; Y10T; Y10T137/00; Y10T137/0318; Y10T137/0324; Y10T137/0329; Y10T137/2496; Y10T137/2499; Y10T137/2509
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
197 words
IN A METHOD FOR AUTOMATICALLY BLENDING A MOTOR FUEL FROM A PLURALITY OF COMPONENTS, THE STEPS COMPRISING SUPPLYING A STREAM OF SAID MOTOR FUEL TO A SINGLE-CYLINDER INTERNAL-COMBUSTION ENGINE PERFORMING NO USEFUL WORK AND HAVING A REPETITIVE OPERATING CYCLE; GENERATING A FIRST SIGNAL REPRESENTATIVE OF THE ACTUAL OCTANE NUMBER OF SAID MOTOR FUEL IN SAID ENGINE; GENERATING A SECOND SIGNAL REPRESENTATIVE OF THE DESIRED OCTANE NUMBER OF SAID MOTOR FUEL; GENERATING IN RESPONSE TO SAID FIRST AND SECOND SIGNALS, A FIRST ERROR SIGNAL REPRESENTATIVE OF THE DEVIATION OF SAID FIRST SIGNAL FROM SAID SECOND SIGNAL; GENERATING A THIRD SIGNAL REPRESENTATIVE OF THE ACTUAL VALUE OF AT LEAST ONE OF THE FOLLOWING ADDITIONAL CHARACTERISTICS OF SAID MOTOR FUEL: VAPOR/LIQUID RATIO, DISTILLATION POINT, AND REID VAPOR PRESSURE; GENERATING A FOURTH SIGNAL REPRESENTATIVE OF THE DESIRED VALUE OF SAID OEN ADDITIONAL CHARACTERISTIC; GENERATING A SECOND ERROR SIGNAL REPRESENTATIVE OF THE DEVIATION OF SAID THIRD SIGNAL FROM SAID FOURTH SIGNAL; AND GENERATING, IN RESPONSE TO SAID FIRST AND SECOND ERROR SIGNALS, FIRST AND SECOND CONTROL SIGNALS FOR VARYING THE PROPORTIONS OF THE COMPONENTS BLENDED TOGETHER SO THAT SAID MOTOR FUEL MEETS PREDETERMINED SPECIFICATIONS REGARDING OCTANE NUMBER AND SAID ONE ADDITIONAL CHARACTERISTIC.
Claim 2
Dependent Claim
197 words
IN A METHOD FOR AUTOMATICALLY BLENDING A MOTOR FUEL FROM A PLURALITY OF COMPONENTS, THE STEPS COMPRISING SUPPLYING A STREAM OF SAID MOTOR FUEL TO A SINGLE-CYLINDER INTERNAL-COMBUSTION ENGINE PERFORMING NO USEFUL WORK AND HAVING A REPETITIVE OPERATING CYCLE; GENERATING A FIRST SIGNAL REPRESENTATIVE OF THE ACTUAL OCTANE NUMBER OF SAID MOTOR FUEL IN SAID ENGINE; GENERATING A SECOND SIGNAL REPRESENTATIVE OF THE DESIRED OCTANE NUMBER OF SAID MOTOR FUEL; GENERATING IN RESPONSE TO SAID FIRST AND SECOND SIGNALS, A FIRST ERROR SIGNAL REPRESENTATIVE OF THE DEVIATION OF SAID FIRST SIGNAL FROM SAID SECOND SIGNAL; GENERATING A THIRD SIGNAL REPRESENTATIVE OF THE ACTUAL VALUE OF AT LEAST ONE OF THE FOLLOWING ADDITIONAL CHARACTERISTICS OF SAID MOTOR FUEL: VAPOR/LIQUID RATIO, DISTILLATION POINT, AND REID VAPOR PRESSURE; GENERATING A FOURTH SIGNAL REPRESENTATIVE OF THE DESIRED VALUE OF SAID OEN ADDITIONAL CHARACTERISTIC; GENERATING A SECOND ERROR SIGNAL REPRESENTATIVE OF THE DEVIATION OF SAID THIRD SIGNAL FROM SAID FOURTH SIGNAL; AND GENERATING, IN RESPONSE TO SAID FIRST AND SECOND ERROR SIGNALS, FIRST AND SECOND CONTROL SIGNALS FOR VARYING THE PROPORTIONS OF THE COMPONENTS BLENDED TOGETHER SO THAT SAID MOTOR FUEL MEETS PREDETERMINED SPECIFICATIONS REGARDING OCTANE NUMBER AND SAID ONE ADDITIONAL CHARACTERISTIC.
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) | 1971-05-28 | 1971-11-27 | 1972-05-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-05-28 | 1975-11-27 | 1976-05-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-05-28 | 1979-11-27 | 1980-05-28 | $7700.00 | Window Closed / Lapsed |