US2872936A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Liquid phase separation control
Assignee: Phillips Petroleum Co
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Filing: 1956-11-19
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Granted: 1959-02-10
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Expires: 1976-11-19
Abstract
No abstract record available.
Inventors
- 👤 Joseph D Richardson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 15:36
CPC Classifications
C; C07; C07C; C07C2/00; C07C2/54; C07C2/56; C07C2/58; C07C2/62; B; B01; B01D; B01D17/00; B01D17/02; B01D17/0208; B01D17/0214; B01D3/00; B01D3/42; Y; Y10; Y10T; Y10T137/00; Y10T137/0318; Y10T137/0324; Y10T137/2931; Y10T137/3003; Y10T137/3006
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
91 words
IN A FLOW CONTROL OPERATION FOR SEPARATION A HEAVY LIQUID PHASE FROM A LIGHT LIQUID PHASE MORE VOLATILE THAN THE HEAVY LIQUID PHASE OF A 2-PHASE SYSTEM, THE IMPROVEMENT COMPRISING PASSING SAID HEAVY LIQUID PHASE THROUGH A FLOW CONTROL ZONE, SUBSEQUENTLY PASSING SAID LIGHT LIQUID PHASE THROUGH SAID ZONE AND FLASH VAPORIZING SAID LIGHT LIQUID PHASE THEREIN THEREBY DECREASING TEMPERATURE DOWNSTREAM OF SAID FLOW CONTROL ZONE AND PRODUCING A TEMPERATURE DIFFERENTIAL ACROSS SAID ZONE, AND REGULATING THE FLOW OF SAID LIGHT PHASE THROUGH SAID ZONE IN RESPONSE TO SAID TEMPERATURE DIFFERENTIAL
Claim 2
Dependent Claim
91 words
IN A FLOW CONTROL OPERATION FOR SEPARATION A HEAVY LIQUID PHASE FROM A LIGHT LIQUID PHASE MORE VOLATILE THAN THE HEAVY LIQUID PHASE OF A 2-PHASE SYSTEM, THE IMPROVEMENT COMPRISING PASSING SAID HEAVY LIQUID PHASE THROUGH A FLOW CONTROL ZONE, SUBSEQUENTLY PASSING SAID LIGHT LIQUID PHASE THROUGH SAID ZONE AND FLASH VAPORIZING SAID LIGHT LIQUID PHASE THEREIN THEREBY DECREASING TEMPERATURE DOWNSTREAM OF SAID FLOW CONTROL ZONE AND PRODUCING A TEMPERATURE DIFFERENTIAL ACROSS SAID ZONE, AND REGULATING THE FLOW OF SAID LIGHT PHASE THROUGH SAID ZONE IN RESPONSE TO SAID TEMPERATURE DIFFERENTIAL
Claim 3
Independent Claim
159 words
AN APPARATUS COMPRISING A VESSEL FOR CONTAINING LIQUID UNDER PRESSURE, AN INLET TO SAID VESSEL FOR ADMISSION OF LIQUID, AN OUTLET FOR OUTLET OF LIQUID FROM THE UPPER PORTION OF SAID VESSEL, A CONDUIT FOR OUTLET OF LIQUID FROM THE LOWER PORTION OF SAID VESSEL, A FLOW RESTRICTING MEANS IN SAID CONDUIT, A FIRST TEMPERATURE RESPONSIVE DEVICE IN THERMAL COMMUNICATION WITH SAID CONDUIT INTERMEDIATE SAID FLOW RESTRICTING MEANS AND SAID VESSEL, A SECOND TEMPERATURE RESPONSIVE DEVICE IN THERMAL COMMUNICATION WITH SAID CONDUIT ON THE SIDE OF SIDE FLOW RESTRICTING MEANS OPPOSITE SAID FIRST THERMAL RESPONSIVE DEVICE, AND A DIFFERENTIAL TEMPERATURE CONTROLLER OPERATIVELY COMMUNICATION WITH SAID FIRST AND SECOND TEMPERATURE RESPONSIVE DEVICES AND SAID FLOW RESTRICTING MEANS IN SUCH A MANNER AS TO OPERATE THE LATTER TO RESTRICT FLOW OF LIQUID THERETHROUGH IN RESPONSE TO A DECREASE IN TEMPERATURE AS INDICATED BY SAID SECOND TEMPERATURE INDICATED PONSIVE DEVICE WITH RESPECT TO THE TEMPERATURE INDICATED BY SAID FIRST TEMPERATURE RESPONSIVE DEVICE
Claim 4
Independent Claim
159 words
AN APPARATUS COMPRISING A VESSEL FOR CONTAINING LIQUID UNDER PRESSURE, AN INLET TO SAID VESSEL FOR ADMISSION OF LIQUID, AN OUTLET FOR OUTLET OF LIQUID FROM THE UPPER PORTION OF SAID VESSEL, A CONDUIT FOR OUTLET OF LIQUID FROM THE LOWER PORTION OF SAID VESSEL, A FLOW RESTRICTING MEANS IN SAID CONDUIT, A FIRST TEMPERATURE RESPONSIVE DEVICE IN THERMAL COMMUNICATION WITH SAID CONDUIT INTERMEDIATE SAID FLOW RESTRICTING MEANS AND SAID VESSEL, A SECOND TEMPERATURE RESPONSIVE DEVICE IN THERMAL COMMUNICATION WITH SAID CONDUIT ON THE SIDE OF SIDE FLOW RESTRICTING MEANS OPPOSITE SAID FIRST THERMAL RESPONSIVE DEVICE, AND A DIFFERENTIAL TEMPERATURE CONTROLLER OPERATIVELY COMMUNICATION WITH SAID FIRST AND SECOND TEMPERATURE RESPONSIVE DEVICES AND SAID FLOW RESTRICTING MEANS IN SUCH A MANNER AS TO OPERATE THE LATTER TO RESTRICT FLOW OF LIQUID THERETHROUGH IN RESPONSE TO A DECREASE IN TEMPERATURE AS INDICATED BY SAID SECOND TEMPERATURE INDICATED PONSIVE DEVICE WITH RESPECT TO THE TEMPERATURE INDICATED BY SAID FIRST TEMPERATURE RESPONSIVE DEVICE
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) | 1962-02-09 | 1962-08-11 | 1963-02-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-02-09 | 1966-08-11 | 1967-02-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-02-09 | 1970-08-11 | 1971-02-10 | $7700.00 | Window Closed / Lapsed |