US2788264A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for temperature control of chemical reaction vessels
Assignee: Shell Development Co
•
Filing: 1953-05-25
•
Granted: 1957-04-09
•
Expires: 1973-05-25
Abstract
No abstract record available.
Inventors
- 👤 Bremer Andrew
- 👤 Ernest G Holzmann
- 👤 Paul R Hoyt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 14:42
CPC Classifications
B; B01; B01J; B01J19/00; B01J19/0006; B01J19/0013; G; G05; G05D; G05D23/00; B01J2219/00; B01J2219/00002; B01J2219/00027; B01J2219/00038; B01J2219/00049; B01J2219/00051; B01J2219/00054; B01J2219/00056; B01J2219/00058; B01J2219/00063; B01J2219/00074; B01J2219/00087; B01J2219/00094; B01J2219/00191; B01J2219/00193; B01J2219/00195; B01J2219/002
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
194 words
A SYSTEM FOR CARRING OUT CHEMICAL REACTIONS AT A SUBSTANTIALLY CONSTANT TEMPERATURE, SAID SYSTEM COMPRISING A REACTION VESSEL, SAID VESSEL BEING PROVIDED WITH HEAT EXCHANGE MEANS HAVING FLUID INLET AND OUTLET MEANS, CONDUIT MEANS CONNECTED BETWEEN SAID INLET AND OUTLET MEANS TO FORM A CLOSED EXTERNAL CIRCUIT FOR CIRCULATING HEAT EXCHANGE FLUID IN SAID HEAT EXCHANGE MEANS, FLOW CONTROL MEANS IN SAID CONDUIT MEANS FOR MAINTAINING THE FLOW RATE THERETHROUGH AT A CONSTANT VALUE, A PUMP IN SAID CONDUIT MEANS FOR FORCING A FLUID THERETHROUGH, SAID CONDUIT MEANS COMPRISING TWO CONDUIT LOOPS IN PARALLEL, EACH OF SAID LOOPS COMPRISING A CLOSED HYDRAULIC CIRCUIT, MEANS FOR HEATING THE HEAT EXCHANGE FLUID IN ONE OF SAID LOOPS, MEANS FOR COOLING THE HEAT EXCHANGE FLUID IN ANOTHER OF SAID LOOPS, MEANS IN SAID CONDUIT MEANS RESPONSIVE OF THE TEMPERATURE IN THE REACTION VESSEL FOR CONTROLLING THE FLOW RATIO IN SAID PARALLEL LOOPS, AND CONTROL MEANS RESPONSIVE TO THE TEMPERATURE OF THE FLUID IN SAID CONDUIT MEANS FOR MAINTAINIG THE FLUID CIRCULATING INTHE HEATING AND COOLING LOOPS AT PREDETERMINED TEMPERATURE VALUES RESPECTIVELY ABOVE AND BELOW THE TEMPERATURE OF THE FLUID ENTERING THE HEAT EXCHANGE MEANS OF THE VESSEL.
Claim 2
Independent Claim
194 words
A SYSTEM FOR CARRING OUT CHEMICAL REACTIONS AT A SUBSTANTIALLY CONSTANT TEMPERATURE, SAID SYSTEM COMPRISING A REACTION VESSEL, SAID VESSEL BEING PROVIDED WITH HEAT EXCHANGE MEANS HAVING FLUID INLET AND OUTLET MEANS, CONDUIT MEANS CONNECTED BETWEEN SAID INLET AND OUTLET MEANS TO FORM A CLOSED EXTERNAL CIRCUIT FOR CIRCULATING HEAT EXCHANGE FLUID IN SAID HEAT EXCHANGE MEANS, FLOW CONTROL MEANS IN SAID CONDUIT MEANS FOR MAINTAINING THE FLOW RATE THERETHROUGH AT A CONSTANT VALUE, A PUMP IN SAID CONDUIT MEANS FOR FORCING A FLUID THERETHROUGH, SAID CONDUIT MEANS COMPRISING TWO CONDUIT LOOPS IN PARALLEL, EACH OF SAID LOOPS COMPRISING A CLOSED HYDRAULIC CIRCUIT, MEANS FOR HEATING THE HEAT EXCHANGE FLUID IN ONE OF SAID LOOPS, MEANS FOR COOLING THE HEAT EXCHANGE FLUID IN ANOTHER OF SAID LOOPS, MEANS IN SAID CONDUIT MEANS RESPONSIVE OF THE TEMPERATURE IN THE REACTION VESSEL FOR CONTROLLING THE FLOW RATIO IN SAID PARALLEL LOOPS, AND CONTROL MEANS RESPONSIVE TO THE TEMPERATURE OF THE FLUID IN SAID CONDUIT MEANS FOR MAINTAINIG THE FLUID CIRCULATING INTHE HEATING AND COOLING LOOPS AT PREDETERMINED TEMPERATURE VALUES RESPECTIVELY ABOVE AND BELOW THE TEMPERATURE OF THE FLUID ENTERING THE HEAT EXCHANGE MEANS OF THE VESSEL.
References Cited (Backward Citations)
US1382569A
Cited
FR709445A
Cited
US2104333A
Cited
US2217703A
Cited
US2371381A
Cited
US2448538A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-04-08 | 1960-10-08 | 1961-04-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-04-08 | 1964-10-08 | 1965-04-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-04-08 | 1968-10-08 | 1969-04-09 | $7700.00 | Window Closed / Lapsed |