US3167494A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for pyrolizing solid carbonaceous materials
Assignee: Oil Shale Corp
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Filing: 1961-12-06
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Granted: 1965-01-26
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Expires: 1981-12-06
Abstract
No abstract record available.
Inventors
- 👤 Clarence L Crawford
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 01:53
CPC Classifications
C; C10; C10G; C10G1/00; C10G1/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
247 words
A METHOD FOR CONTINUOUSLY PRODUCING AN EFFUENT VAPOR FROM A SOLID CARBONACEOUS MATERIAL, WHICH MATERIAL UPON PYROLYSIS LEAVES A SOLID RESIDUE, WHICH COMPRISES INTRODUCING CRUSHED SOLID CARBONACEOUS MATERIAL AND HOTTER SOLID HEAT-CARRYING BODIES INTO THE UPPER REGION OF A VERTICAL PYROLYSIS ZONE WHEREIN SAID HEAT-CARRYING BODIES CONTACT SAID CARBONACEOUS MATERIAL AND IMPART THEIR HEAT TO SAID CARBONACEOUS MATERIAL IN A NON-COMBUSTION SUPPORTING ATMOSPHERE TO EFFECT THE PYROLYSIS OF SAID CARBONACEOUS MATERIAL AND PRODUCE AN EFFLUENT VAPOR, CAUSING SAID SOLIDS TO PASS DOWNWARDLY THROUGH SAID PYROLYSIS ZONE WITH THE PRODUCTION OF A LESSENING AMOUNT OF EFFLUENT VAPOR FROM SAID CARBONACEOUS MATERIAL, SAID EFFLUENT VAPORT PRODUCED RISING UPWARDLY THROUGH SAID PYROLYSIS ZONE AND ATTAINING A VELOCITY IN THE UPPER REGION OF SAID PYROLYSIS ZONE SUCH THAT SOLIDS IN THE UPPER REGION OF SAID PYROLYSIS ZONE ARE THOROUGHLY AGITATED THEREBY, CAUSEING SAID SOLIDS TO CONTINUE PASSING DOWNWARDLY THROUGH SAID PYROLYSIS ZONE UNTIL A POINT IS REACHED IN THE LOWER REGION OF SAID PYROLYSIS ZONE WHEREIN ESSENTIALLY NO GASEOUS SUBSTANCES ARE PRODUCED OR ARE PRESENT, REMOVING SAID EFFUENT VAPOR FROM THE TOP OF SAID PYROLYSIS ZONE FREE FROM EXTRANEOUS GASES, REMOVING SOLID RESIDUE PRODUCED BY THE PYROLYSIS OF SAID CARBONACEOUS MATERIAL FROM THE BOTTOM OF SAID PYROLYSIS ZONE, RECOVERING SAID HEAT-CARRYING BODIES FROM THE BOTTOM OF SAID PYROLYSIS ZONE, REHEATING SAID HEAT-CARRYING BODIES AND RECYCLING ONLY HEATED THE HEAT-CARRYING BODIES TO THE UPPER REGION OF SAID PYROLYSIS ZONE TO CONTACT AND EFFECT THE PYROLYSIS OF SOLID CARBONACEOUS MATERIAL CONTINUOUSLY ADDED THERETO.
Claim 2
Independent Claim
247 words
A METHOD FOR CONTINUOUSLY PRODUCING AN EFFUENT VAPOR FROM A SOLID CARBONACEOUS MATERIAL, WHICH MATERIAL UPON PYROLYSIS LEAVES A SOLID RESIDUE, WHICH COMPRISES INTRODUCING CRUSHED SOLID CARBONACEOUS MATERIAL AND HOTTER SOLID HEAT-CARRYING BODIES INTO THE UPPER REGION OF A VERTICAL PYROLYSIS ZONE WHEREIN SAID HEAT-CARRYING BODIES CONTACT SAID CARBONACEOUS MATERIAL AND IMPART THEIR HEAT TO SAID CARBONACEOUS MATERIAL IN A NON-COMBUSTION SUPPORTING ATMOSPHERE TO EFFECT THE PYROLYSIS OF SAID CARBONACEOUS MATERIAL AND PRODUCE AN EFFLUENT VAPOR, CAUSING SAID SOLIDS TO PASS DOWNWARDLY THROUGH SAID PYROLYSIS ZONE WITH THE PRODUCTION OF A LESSENING AMOUNT OF EFFLUENT VAPOR FROM SAID CARBONACEOUS MATERIAL, SAID EFFLUENT VAPORT PRODUCED RISING UPWARDLY THROUGH SAID PYROLYSIS ZONE AND ATTAINING A VELOCITY IN THE UPPER REGION OF SAID PYROLYSIS ZONE SUCH THAT SOLIDS IN THE UPPER REGION OF SAID PYROLYSIS ZONE ARE THOROUGHLY AGITATED THEREBY, CAUSEING SAID SOLIDS TO CONTINUE PASSING DOWNWARDLY THROUGH SAID PYROLYSIS ZONE UNTIL A POINT IS REACHED IN THE LOWER REGION OF SAID PYROLYSIS ZONE WHEREIN ESSENTIALLY NO GASEOUS SUBSTANCES ARE PRODUCED OR ARE PRESENT, REMOVING SAID EFFUENT VAPOR FROM THE TOP OF SAID PYROLYSIS ZONE FREE FROM EXTRANEOUS GASES, REMOVING SOLID RESIDUE PRODUCED BY THE PYROLYSIS OF SAID CARBONACEOUS MATERIAL FROM THE BOTTOM OF SAID PYROLYSIS ZONE, RECOVERING SAID HEAT-CARRYING BODIES FROM THE BOTTOM OF SAID PYROLYSIS ZONE, REHEATING SAID HEAT-CARRYING BODIES AND RECYCLING ONLY HEATED THE HEAT-CARRYING BODIES TO THE UPPER REGION OF SAID PYROLYSIS ZONE TO CONTACT AND EFFECT THE PYROLYSIS OF SOLID CARBONACEOUS MATERIAL CONTINUOUSLY ADDED THERETO.
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) | 1968-01-26 | 1968-07-27 | 1969-01-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-01-26 | 1972-07-27 | 1973-01-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-01-26 | 1976-07-27 | 1977-01-26 | $7700.00 | Window Closed / Lapsed |