US2534089A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pebble heater apparatus
Assignee: Phillips Petroleum Co
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Filing: 1947-11-21
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Granted: 1950-12-12
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Expires: 1967-11-21
Abstract
No abstract record available.
Inventors
- 👤 Louis J Weber
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 20:51
CPC Classifications
F; F28; F28C; F28C3/00; F28C3/10; F28C3/12; F28C3/14
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
180 words
IN A PEBBLE HEATER APPARATUS UTILIZING A MOVING BED OF HEATED PEBBLES, AN IMPROVED PEBBLE HEATING CHAMBER COMPRISING A SUBSTANTIALLY VERTICALLY DISPOSED CLOSED OUTER SHELL; INSULATING MEANS WITHIN ADAPTED SO ASA TO INSULATE SAID SHELL; PEBBLE INLET MEANS CENTRALLY DISPOSED IN THE UPPER PORTION OF SAID SHELL; EFFUENT OUTLET MEANS IN THE UPPER PORTION OF SAID SHELL; A PERFORATE REFACTORY LOAD-SUPPORTING DOME WITHIN SAID SHELL, INTERMEDIATE THE ENDS OF SAID SHELL AND DIVIDING THE CHAMBER WITHIN SAID SHELL IN A HEATING ZONE ABOVE SAID DOME AND A COMBUSTION ZONE BELOW SAID DOME; A FIRST PEBBLE CONDUIT MEANS EXTENDING SUBSTANTIALLY CENTRALLY THROUGH SAID DOME; A SECOND PEBLE CONDUIT MEANS EXTENDING CENTRALLY THROUGH THE BOTTOM OF SAID SHELL AND UPWARDLY INTO SAID COMBUSION ZONE AND ENCLOSING A PORTION OF SAID FIRST PEBBLE CONDUIT THEREIN SO AS TO FORM AN EXPANSION JOIN THEREBETWEEN, WHEREBY SAID FIRST AND SECOND PEBBLE CONDUITS FORM A PEBBLE OUTLET FROM SAID HEATING CHAMNBER; MEANS FOR SEPARATING PEBBLES WITHIN SAID HEATING ZONE FROM SAID DOME; AND FLUID HEAT EXCHANGE MATERIAL INLET CONDUIT MEANS IN SAID SHELL BELOW SAID DOME.
Claim 2
Dependent Claim
180 words
IN A PEBBLE HEATER APPARATUS UTILIZING A MOVING BED OF HEATED PEBBLES, AN IMPROVED PEBBLE HEATING CHAMBER COMPRISING A SUBSTANTIALLY VERTICALLY DISPOSED CLOSED OUTER SHELL; INSULATING MEANS WITHIN ADAPTED SO ASA TO INSULATE SAID SHELL; PEBBLE INLET MEANS CENTRALLY DISPOSED IN THE UPPER PORTION OF SAID SHELL; EFFUENT OUTLET MEANS IN THE UPPER PORTION OF SAID SHELL; A PERFORATE REFACTORY LOAD-SUPPORTING DOME WITHIN SAID SHELL, INTERMEDIATE THE ENDS OF SAID SHELL AND DIVIDING THE CHAMBER WITHIN SAID SHELL IN A HEATING ZONE ABOVE SAID DOME AND A COMBUSTION ZONE BELOW SAID DOME; A FIRST PEBBLE CONDUIT MEANS EXTENDING SUBSTANTIALLY CENTRALLY THROUGH SAID DOME; A SECOND PEBLE CONDUIT MEANS EXTENDING CENTRALLY THROUGH THE BOTTOM OF SAID SHELL AND UPWARDLY INTO SAID COMBUSION ZONE AND ENCLOSING A PORTION OF SAID FIRST PEBBLE CONDUIT THEREIN SO AS TO FORM AN EXPANSION JOIN THEREBETWEEN, WHEREBY SAID FIRST AND SECOND PEBBLE CONDUITS FORM A PEBBLE OUTLET FROM SAID HEATING CHAMNBER; MEANS FOR SEPARATING PEBBLES WITHIN SAID HEATING ZONE FROM SAID DOME; AND FLUID HEAT EXCHANGE MATERIAL INLET CONDUIT MEANS IN SAID SHELL BELOW SAID DOME.
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) | 1953-12-11 | 1954-06-12 | 1954-12-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-12-11 | 1958-06-12 | 1958-12-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-12-11 | 1962-06-12 | 1962-12-12 | $7700.00 | Window Closed / Lapsed |