US3286764A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Flow control for a multiple-effect evaporator
Assignee: FMC Corp
•
Filing: 1964-03-26
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Granted: 1966-11-22
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Expires: 1984-03-26
Abstract
No abstract record available.
Inventors
- 👤 Harry G Mojonnier
- 👤 Chester J Witt
- 👤 Sigmund P Skoli
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 20:16
CPC Classifications
B; B01; B01D; B01D1/00; B01D1/0082
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
169 words
FLOW CONTROLLED APPARATUS COMPRISING: FIRST CONTAINER MEANS FOR RECEIVING A VARIABLE FLOW OF A SELECTED LIQUID; FLOW REGULATING MEANS FOR MAINTAINING A SELECTED LEVEL OF LIQUID IN SAID FIRST CONTAINER MEANS; SECOND CONTAINER MEANS UNDERLYING SAID FIRST CONTAINER MEANS; FIRST CONDUIT MEANS COMMUNICATING THE LIQUID-CONTAINING PORTION OF SAID FIRST CONTAINER MEANS WITH SAID SECOND CONTAINER MEANS; ORIFICE MEANS WITH SAID SECOND CONTAINER BELOW THE LIQUID LEVEL IN SAID SECOND CONTAINER MEANS; SECOND CONDUIT MEANS FOR PASSING A FORCED FLOW OF SAID LIQUID; A PUMP CONNECTED IN FLUID CIRCUIT BETWEEN SAID SECOND CONTAINER MEANS AND SAID SECOND CONDUIT MEANS, THE INLET OF SAID PUMP BEING COUPLED TO SAID SECOND CONTAINER MEANS AND THE OUTLET OF SAID PUMP BEING COUPLED TO SAID SECOND CONDUIT MEANS FOR DELIVERING SAID FORCED FLOW; VALVE MEANS CONNECTED IN FLUID CIRCUIT IN SAID SECOND CONDUIT MEANS, INCLUDING A VALVE MEMBER FOR MODULATING THE FLOW OF LIQUID PASSING FROM SAID SECOND CONTAINER MEANS FOR SUBSTANTIALLY ZERO FLOW TO A PREDETERMINED MAXIMUM FLOW; AND CONTROL MEANS FOR SELECTIVELY
Claim 2
Dependent Claim
169 words
FLOW CONTROLLED APPARATUS COMPRISING: FIRST CONTAINER MEANS FOR RECEIVING A VARIABLE FLOW OF A SELECTED LIQUID; FLOW REGULATING MEANS FOR MAINTAINING A SELECTED LEVEL OF LIQUID IN SAID FIRST CONTAINER MEANS; SECOND CONTAINER MEANS UNDERLYING SAID FIRST CONTAINER MEANS; FIRST CONDUIT MEANS COMMUNICATING THE LIQUID-CONTAINING PORTION OF SAID FIRST CONTAINER MEANS WITH SAID SECOND CONTAINER MEANS; ORIFICE MEANS WITH SAID SECOND CONTAINER BELOW THE LIQUID LEVEL IN SAID SECOND CONTAINER MEANS; SECOND CONDUIT MEANS FOR PASSING A FORCED FLOW OF SAID LIQUID; A PUMP CONNECTED IN FLUID CIRCUIT BETWEEN SAID SECOND CONTAINER MEANS AND SAID SECOND CONDUIT MEANS, THE INLET OF SAID PUMP BEING COUPLED TO SAID SECOND CONTAINER MEANS AND THE OUTLET OF SAID PUMP BEING COUPLED TO SAID SECOND CONDUIT MEANS FOR DELIVERING SAID FORCED FLOW; VALVE MEANS CONNECTED IN FLUID CIRCUIT IN SAID SECOND CONDUIT MEANS, INCLUDING A VALVE MEMBER FOR MODULATING THE FLOW OF LIQUID PASSING FROM SAID SECOND CONTAINER MEANS FOR SUBSTANTIALLY ZERO FLOW TO A PREDETERMINED MAXIMUM FLOW; AND CONTROL MEANS FOR SELECTIVELY
References Cited (Backward Citations)
US378843A
Cited
US484831A
Cited
US2734565A
Cited
US2168362A
Cited
US2576496A
Cited
US2796120A
Cited
US2781089A
Cited
US2750999A
Cited
US3102062A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-11-21 | 1970-05-23 | 1970-11-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-11-21 | 1974-05-23 | 1974-11-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-11-21 | 1978-05-23 | 1978-11-22 | $7700.00 | Window Closed / Lapsed |