Patent US3406769A successfully refreshed from Google Patents.
Patent US3223058A successfully refreshed from Google Patents.
US3223058A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and installation for the production of steam, particularly through the combustion of refuse and other low quality fuels
Assignee: Von Roll AG
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Filing: 1963-10-28
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Granted: 1965-12-14
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Expires: 1983-10-28
Abstract
No abstract record available.
Inventors
- 👤 Tanner Richard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 19:37
CPC Classifications
F; F23; F23G; F23G5/00; F23G5/50; C; C21; C21B; C21B7/00; C21B7/002; F23B; F23B7/00; F23G5/08; F23G5/12; F23G5/44; F23G5/46; F23B2700/00; F23B2700/023; F23N; F23N2225/00; F23N2225/26; Y; Y02; Y02P; Y02P10/00; Y02P10/20
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
189 words
A METHOD OF PRODUCING STREAM COMPRISING THE STEPS OF: SUPPLYING HIGH QUALITY FUEL, AIR AND WATER INTO A FIRST COMBUSTION SPACE, BURNING SAID HIGH QUALITY FUEL IN SAID FIRST COMBUSTION SPACE, SUPPLYING LOW QUALITY FUEL SAID AIR INTO A SEPARATE SECOND COMBUSTION SPACE SHIELED AGAINST HEAT RADIATION FROM SAID FIRST COMBUSTION SPACE, BURNING SAID LOW QUALITY FUEL IN SAID SECOND COMBUSTION SPACE, LEADING GASES PRODUCED IN SAID SECOND COMBUSTION SPACE TO A LOCATION SPACED FROM THE FIRST AND SECOND COMBUSTION SPACES, LEADING HOT GASES PRODUCED IN SAID FIRST COMBUSTION SPACE TO SAID LOCATION AT WHICH THEY ARE CONTINUOUSLY MIXED WITH SAID GASES PRODUCED IN SAID SECOND COMBUSTION SPACE, LEADING THE MIXED GASES FROM SAID LOCATION INTO CONTACT WITH A HEAT-TRANSFER SURFACE OF A STREAM BOILDER TO PRODUCE STREAM, SAID CONTROLLING THE COMBUSTION PROCESS IN SAID FIRST COMBUSTION SPACE TO CONTROL THERMAL PROPERTIES OF SAID MIXED GASES AND THUS TO OBTAIN A DESIED THERMAL ACTION AT SAID HEAT-TRANSFER SURFACE, THE STEP OF CONTROLLING THE COMBUSTION PROCESS IN SAID FIRST COMBUSTION SPACE BEING EFFECTED BY ADJUSTING THE SUPPLY OF SAID HIGH QUALITY FUEL, AIR AND WATER, TO SAID FIRST COMBUSTION SPACE.
Claim 2
Independent Claim
189 words
A METHOD OF PRODUCING STREAM COMPRISING THE STEPS OF: SUPPLYING HIGH QUALITY FUEL, AIR AND WATER INTO A FIRST COMBUSTION SPACE, BURNING SAID HIGH QUALITY FUEL IN SAID FIRST COMBUSTION SPACE, SUPPLYING LOW QUALITY FUEL SAID AIR INTO A SEPARATE SECOND COMBUSTION SPACE SHIELED AGAINST HEAT RADIATION FROM SAID FIRST COMBUSTION SPACE, BURNING SAID LOW QUALITY FUEL IN SAID SECOND COMBUSTION SPACE, LEADING GASES PRODUCED IN SAID SECOND COMBUSTION SPACE TO A LOCATION SPACED FROM THE FIRST AND SECOND COMBUSTION SPACES, LEADING HOT GASES PRODUCED IN SAID FIRST COMBUSTION SPACE TO SAID LOCATION AT WHICH THEY ARE CONTINUOUSLY MIXED WITH SAID GASES PRODUCED IN SAID SECOND COMBUSTION SPACE, LEADING THE MIXED GASES FROM SAID LOCATION INTO CONTACT WITH A HEAT-TRANSFER SURFACE OF A STREAM BOILDER TO PRODUCE STREAM, SAID CONTROLLING THE COMBUSTION PROCESS IN SAID FIRST COMBUSTION SPACE TO CONTROL THERMAL PROPERTIES OF SAID MIXED GASES AND THUS TO OBTAIN A DESIED THERMAL ACTION AT SAID HEAT-TRANSFER SURFACE, THE STEP OF CONTROLLING THE COMBUSTION PROCESS IN SAID FIRST COMBUSTION SPACE BEING EFFECTED BY ADJUSTING THE SUPPLY OF SAID HIGH QUALITY FUEL, AIR AND WATER, TO SAID FIRST COMBUSTION SPACE.
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) | 1968-12-13 | 1969-06-14 | 1969-12-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-12-13 | 1973-06-14 | 1973-12-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-12-13 | 1977-06-14 | 1977-12-14 | $7700.00 | Window Closed / Lapsed |