US2775635A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for heating fluids
Assignee: Phillips Petroleum Co
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Filing: 1952-11-12
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Granted: 1956-12-25
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Expires: 1972-11-12
Abstract
No abstract record available.
Inventors
- 👤 Louis C Bearer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 20:17
CPC Classifications
B; B01; B01J; B01J8/00; B01J8/08; B01J8/087; F; F28; F28C; F28C3/00; F28C3/10; F28C3/12; F28C3/16; B01J2208/00; B01J2208/00008; B01J2208/00017; B01J2208/00106; B01J2208/00265; B01J2208/00274; B01J2208/00477; B01J2208/00495; B01J2208/00513; B01J2208/0053
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
139 words
A PROCESS FOR CONDUCTING A TWO-STAGE REACTION OF A FLUID WHICH COMPRISES MOVING A MASS OF HEATED REFRACTORY, PARTICULATE SOLIDS THROUGH A REACTION ZONE; COUNTERCURRENTLY CONTACTING A FLUID REACTANT WITH PART OF SAID MASS IN A LOWER PORTION OF SAID ZONE TO EFFECT A FIRSTSTAGE REACTION; DISENGAGING FIRST-STAGE REACTION PRODUCT FROM SAID MASS IN AN INTERMEDIATE PORTION OF SAID ZONE; NON-COUNTERCURRENTLY CONTACTING ANOTHER PART OF SAID MASS WITH SAID FIRST-STAGE REACTION PRODUCT INTRODUCED INTO AN UPPER PORTION OF SAID ZONE ABOVE THE LEVEL OF SOLIDS THEREIN SO AS TO EFFECT A SECOND-STAGE REACTION; AND WITHDRAWING A SECOND-STAGE REACTION PRODUCT FROM SAID ZONE DOWNSTREAM WITH RESPECT TO SOLIDS FLOW FROM THE LOCUS OF ENTRY OF SAID FIRST-STAGE REACTION PRODUCT INTO SAID ZONE, AND SECOND-STAGE REACTION BEING CONDUCTED AT A HIGHER TEMPERATURE AND A SHORTER REACTION TIME THAN SAID FIRSTSTAGE REACTION.
Claim 2
Dependent Claim
139 words
A PROCESS FOR CONDUCTING A TWO-STAGE REACTION OF A FLUID WHICH COMPRISES MOVING A MASS OF HEATED REFRACTORY, PARTICULATE SOLIDS THROUGH A REACTION ZONE; COUNTERCURRENTLY CONTACTING A FLUID REACTANT WITH PART OF SAID MASS IN A LOWER PORTION OF SAID ZONE TO EFFECT A FIRSTSTAGE REACTION; DISENGAGING FIRST-STAGE REACTION PRODUCT FROM SAID MASS IN AN INTERMEDIATE PORTION OF SAID ZONE; NON-COUNTERCURRENTLY CONTACTING ANOTHER PART OF SAID MASS WITH SAID FIRST-STAGE REACTION PRODUCT INTRODUCED INTO AN UPPER PORTION OF SAID ZONE ABOVE THE LEVEL OF SOLIDS THEREIN SO AS TO EFFECT A SECOND-STAGE REACTION; AND WITHDRAWING A SECOND-STAGE REACTION PRODUCT FROM SAID ZONE DOWNSTREAM WITH RESPECT TO SOLIDS FLOW FROM THE LOCUS OF ENTRY OF SAID FIRST-STAGE REACTION PRODUCT INTO SAID ZONE, AND SECOND-STAGE REACTION BEING CONDUCTED AT A HIGHER TEMPERATURE AND A SHORTER REACTION TIME THAN SAID FIRSTSTAGE REACTION.
Claim 3
Dependent Claim
71 words
IN THE PEBBLE HEATER APPARATUS, THE IMPROVEMENT COMPRISING, IN COMBINATION, A VERTICALLY DISPOSED HEATING CHAMBER; A TOP CLOSURE MEMBER AND A BOTTOM CLOSURE MEMBER THEREFOR; PEBBLE INLET MEANS POSITIONED IN SAID UPPER CLOSURE MEMBER AND IN OPEN COMMUNICATION WITH SAID CHAMBER; PEBBLE OUTLET MEANS POSITIONED IN SAID LOWER CLOSURE MEMBER AND IN OPEN COMMUNICATION WITH SAID CHAMBER; GAS OUTLET MEANS POSITIONED IN SAID UPPER CLOSURE MEMBER; FIRST FLUID INTRODUCTION MEANS POSITIONED
Claim 4
Dependent Claim
71 words
IN THE PEBBLE HEATER APPARATUS, THE IMPROVEMENT COMPRISING, IN COMBINATION, A VERTICALLY DISPOSED HEATING CHAMBER; A TOP CLOSURE MEMBER AND A BOTTOM CLOSURE MEMBER THEREFOR; PEBBLE INLET MEANS POSITIONED IN SAID UPPER CLOSURE MEMBER AND IN OPEN COMMUNICATION WITH SAID CHAMBER; PEBBLE OUTLET MEANS POSITIONED IN SAID LOWER CLOSURE MEMBER AND IN OPEN COMMUNICATION WITH SAID CHAMBER; GAS OUTLET MEANS POSITIONED IN SAID UPPER CLOSURE MEMBER; FIRST FLUID INTRODUCTION MEANS POSITIONED
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-12-25 | 1960-06-25 | 1960-12-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-12-25 | 1964-06-25 | 1964-12-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-12-25 | 1968-06-25 | 1968-12-25 | $7700.00 | Window Closed / Lapsed |