US2616252A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of producing a gaseous motive fluid with pulverized fuel
Assignee: Allis Chalmers Corp
•
Filing: 1946-02-09
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Granted: 1952-11-04
•
Expires: 1966-02-09
Abstract
No abstract record available.
Inventors
- 👤 Robinson Walter
- 👤 Bertrand A Landry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 22:42
CPC Classifications
F; F02; F02C; F02C3/00; F02C3/20; F02C3/26; F23; F23R; F23R5/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
154 words
A METHOD OF PRODUCING LARGE QUANTITIES OF HEATED HIGH VELOCITY MOTIVE FLUID INCLUDING PRODUCTS OF COMBUSTION FORMED BY BURNING IN A CONFINED BURNING ZONE PULVERIZED FUEL CONTAINING NONCOMBUSTIBLE SOLID MATERIAL IN SUSPENSION IN A COMBUSTION SUPPORTING CARRIER GAS, SAID METHOD COMPRISING THE TRANSFORMING OF SAID INCLUDED NONCOMBUSTIBLE SOLID MATERIAL INTO A PARTICLE FORM HAVING A MINIMUM EROSIVE EFFECT, BY THE STEPS OF QUANTITATIVELY REGULATING THE FUEL AND GAS INTRODUCED INTO SAID BURNING ZONE TO CREATE A TEMPERATURE IN SAID ZONESUFFICIENTLY HIGH TO CAUSE THE PARTICLES TO FUSE; THEN CONFINING AND DIRECTING SAID GAS AND FUSED PARTICLES IN A CYLINDRICAL STREAM TO CREATE A GAS FLOW CONDITION EFFECTIVE TO MAINTAIN SAID PARTICLES IN SUSPENSION LONG ENOUGH TO INSURE THAT MOST OF SAID PARTICLES ATTAIN A GENERALLY SPHEROIDAL SHAPE; AND THEN AT LEAST DOWNSTREAM OF SAID BURNING ZONE, SURROUNDING SAID CYLINDRICAL STREAM WITH A STREAM OF RELATIVELY COOL GAS TO SOLIDIFY SAID FUSED GENERALLY SPHEROIDAL PARTICLES.
Claim 2
Independent Claim
154 words
A METHOD OF PRODUCING LARGE QUANTITIES OF HEATED HIGH VELOCITY MOTIVE FLUID INCLUDING PRODUCTS OF COMBUSTION FORMED BY BURNING IN A CONFINED BURNING ZONE PULVERIZED FUEL CONTAINING NONCOMBUSTIBLE SOLID MATERIAL IN SUSPENSION IN A COMBUSTION SUPPORTING CARRIER GAS, SAID METHOD COMPRISING THE TRANSFORMING OF SAID INCLUDED NONCOMBUSTIBLE SOLID MATERIAL INTO A PARTICLE FORM HAVING A MINIMUM EROSIVE EFFECT, BY THE STEPS OF QUANTITATIVELY REGULATING THE FUEL AND GAS INTRODUCED INTO SAID BURNING ZONE TO CREATE A TEMPERATURE IN SAID ZONESUFFICIENTLY HIGH TO CAUSE THE PARTICLES TO FUSE; THEN CONFINING AND DIRECTING SAID GAS AND FUSED PARTICLES IN A CYLINDRICAL STREAM TO CREATE A GAS FLOW CONDITION EFFECTIVE TO MAINTAIN SAID PARTICLES IN SUSPENSION LONG ENOUGH TO INSURE THAT MOST OF SAID PARTICLES ATTAIN A GENERALLY SPHEROIDAL SHAPE; AND THEN AT LEAST DOWNSTREAM OF SAID BURNING ZONE, SURROUNDING SAID CYLINDRICAL STREAM WITH A STREAM OF RELATIVELY COOL GAS TO SOLIDIFY SAID FUSED GENERALLY SPHEROIDAL PARTICLES.
References Cited (Backward Citations)
US1180792A
Cited
US1298530A
Cited
US1664072A
Cited
US1656991A
Cited
US1705383A
Cited
US1708496A
Cited
US2187627A
Cited
US2399884A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-11-04 | 1956-05-05 | 1956-11-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-11-04 | 1960-05-05 | 1960-11-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-11-04 | 1964-05-05 | 1964-11-04 | $7700.00 | Window Closed / Lapsed |