US3225962A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of and means for supplying additive to a fluid
Assignee: Phillips Petroleum Co
•
Filing: 1964-07-16
•
Granted: 1965-12-28
•
Expires: 1984-07-16
Abstract
No abstract record available.
Inventors
- 👤 Robert E Leobeck
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 22:04
CPC Classifications
G; G05; G05D; G05D11/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
245 words
A METHOD FOR SUPPLYING AN ADDITIVE TO A FLUID, COMPRISING THE STEPS OF: TRANSFERRING A STREAM OF SAID FLUID THROUGH A FLUID CONDUIT; INTRODUCING SAID ADDITIVE INTO SAID FLUID IN SAID FLUID CONDUIT; METERING THE FLOW OF SAID STREAM OF FLUID IN SAID FLUID CONDUIT AND PRODUCING A FIRST SIGNAL REPRESENTATIVE OF THE RATE OF FLOW OF SAID STREAM; METERING SAID ADDITIVE INTRODUCED INTO SAID FLUID CONDUIT AND PRODUCING A SECOND SIGNAL REPRESENTATIVE OF THE RATE OF FLOW OF SAID ADDITIVE; INTEGRATING SAID FIRST SIGNAL AND ACTUATING A FIRST ELECTRCAL CIRCUIT RESPONSIVE TO THE OCCURRENCE OF A FIRST PREDETERMINED VALUE OF THE INTEGRATION OF SAID FIRST SIGNAL; ACTUATING A SECOND ELECTRICAL SIGNAL RESPONSIVE TO THE OCCURRENCE OF A SECOND PREDETERMINED VALUE OF THE INTEGRATION OF SAID FIRST SIGNAL; INTEGRATING SAID SECOND SIGNAL AND ACTUATING A THIRD ELECTRICAL CIRCUIT RESPONSIVE TO THE OCCURRENCE OF A PREDETERMINED VALUE OF THE INTEGRATION OF SAID SECOND SIGNAL; REDUCING THE RATE OF FLOW OF SAID FLUID RESPONSIVE TO SAID ACTUATION OF SAID FIIRST ELECTRICAL CIRCUIT; DISCONTINUING TRANSFER OF SAID FLUID RESPONSIVE TO SAID ACTUATION OF SAID SECOND ELECTRICAL CIRCUIT; DISCONTINUING THE INJECTION OF SAID ADDITIVE RESPONSIVE TO SAID ACTUATION OF SAID SECOND ELECTRICAL CIRCUIT WHEN SAID ACTUATION OF SAID SECOND CIRCUIT OCCURS BEFORE SAID ACTIATION OF SAID THIRD CIRCUIT; AND DISCONTINUING THE INJECTION OF SAID ADDITIVE RESPONSIVE TO SAID ACTUATION OF SAID THIRD ELECTRICAL CIRCUIT WHEN SAID ACTUATION OF SAID THIRD CIRCUIT OCCURS BEFORE SAID ACTUATION OF SAID SECOND CIRCUIT.
Claim 2
Independent Claim
245 words
A METHOD FOR SUPPLYING AN ADDITIVE TO A FLUID, COMPRISING THE STEPS OF: TRANSFERRING A STREAM OF SAID FLUID THROUGH A FLUID CONDUIT; INTRODUCING SAID ADDITIVE INTO SAID FLUID IN SAID FLUID CONDUIT; METERING THE FLOW OF SAID STREAM OF FLUID IN SAID FLUID CONDUIT AND PRODUCING A FIRST SIGNAL REPRESENTATIVE OF THE RATE OF FLOW OF SAID STREAM; METERING SAID ADDITIVE INTRODUCED INTO SAID FLUID CONDUIT AND PRODUCING A SECOND SIGNAL REPRESENTATIVE OF THE RATE OF FLOW OF SAID ADDITIVE; INTEGRATING SAID FIRST SIGNAL AND ACTUATING A FIRST ELECTRCAL CIRCUIT RESPONSIVE TO THE OCCURRENCE OF A FIRST PREDETERMINED VALUE OF THE INTEGRATION OF SAID FIRST SIGNAL; ACTUATING A SECOND ELECTRICAL SIGNAL RESPONSIVE TO THE OCCURRENCE OF A SECOND PREDETERMINED VALUE OF THE INTEGRATION OF SAID FIRST SIGNAL; INTEGRATING SAID SECOND SIGNAL AND ACTUATING A THIRD ELECTRICAL CIRCUIT RESPONSIVE TO THE OCCURRENCE OF A PREDETERMINED VALUE OF THE INTEGRATION OF SAID SECOND SIGNAL; REDUCING THE RATE OF FLOW OF SAID FLUID RESPONSIVE TO SAID ACTUATION OF SAID FIIRST ELECTRICAL CIRCUIT; DISCONTINUING TRANSFER OF SAID FLUID RESPONSIVE TO SAID ACTUATION OF SAID SECOND ELECTRICAL CIRCUIT; DISCONTINUING THE INJECTION OF SAID ADDITIVE RESPONSIVE TO SAID ACTUATION OF SAID SECOND ELECTRICAL CIRCUIT WHEN SAID ACTUATION OF SAID SECOND CIRCUIT OCCURS BEFORE SAID ACTIATION OF SAID THIRD CIRCUIT; AND DISCONTINUING THE INJECTION OF SAID ADDITIVE RESPONSIVE TO SAID ACTUATION OF SAID THIRD ELECTRICAL CIRCUIT WHEN SAID ACTUATION OF SAID THIRD CIRCUIT OCCURS BEFORE SAID ACTUATION OF SAID SECOND CIRCUIT.
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) | 1968-12-27 | 1969-06-28 | 1969-12-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-12-27 | 1973-06-28 | 1973-12-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-12-27 | 1977-06-28 | 1977-12-28 | $7700.00 | Window Closed / Lapsed |