US3283801A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Steam generating unit
Assignee: Riley Power Inc
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Filing: 1964-02-25
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Granted: 1966-11-08
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Expires: 1984-02-25
Abstract
No abstract record available.
Inventors
- 👤 Norman S Blodgett
- 👤 Max H Kuhner
- 👤 Earle C Miller
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 04:44
CPC Classifications
F; F22; F22B; F22B35/00; F22B21/00; F22B21/34; F22B21/341; F22B21/343
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
98 words
A STEAM GENERATING UNTI, COMPRISING (A) A VERTICALLY-ELONGATED COMBUSTION CHAMBER, (B) A PLURALITY OF BURNERS LOCATED AT THE LOWER END OF THE CHAMBER, (C) MEANS SUPPLYING FUEL TO EACH BURNER, (D) MEANS SUPPLYING AIR TO EACH BURNER, (E) MEANS SUPPLYING FIRST SIGNALS RESPECTIVELY INDICATIVE OF THE FLOW OF FUEL TO EACH BURNER, (F) MEANS SUPPLYING SECOND SIGNALS RESPECTIVELY INDICATIVE OF THE FLOW OF AIR TO EACH BURNER, AND (G) CONTROL MEANS RECEIVING ALL OF THE SAID FIRST AND SECOND SIGNALS, THE CONTROL MEANS CORRELATING THE SIGNALS TO MAINTAIN THE FUEL-AIR RATIO AT EACH BURNER AT A PREDETERMINED VALUE.
Claim 2
Dependent Claim
98 words
A STEAM GENERATING UNTI, COMPRISING (A) A VERTICALLY-ELONGATED COMBUSTION CHAMBER, (B) A PLURALITY OF BURNERS LOCATED AT THE LOWER END OF THE CHAMBER, (C) MEANS SUPPLYING FUEL TO EACH BURNER, (D) MEANS SUPPLYING AIR TO EACH BURNER, (E) MEANS SUPPLYING FIRST SIGNALS RESPECTIVELY INDICATIVE OF THE FLOW OF FUEL TO EACH BURNER, (F) MEANS SUPPLYING SECOND SIGNALS RESPECTIVELY INDICATIVE OF THE FLOW OF AIR TO EACH BURNER, AND (G) CONTROL MEANS RECEIVING ALL OF THE SAID FIRST AND SECOND SIGNALS, THE CONTROL MEANS CORRELATING THE SIGNALS TO MAINTAIN THE FUEL-AIR RATIO AT EACH BURNER AT A PREDETERMINED VALUE.
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) | 1969-11-07 | 1970-05-09 | 1970-11-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-11-07 | 1974-05-09 | 1974-11-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-11-07 | 1978-05-09 | 1978-11-08 | $7700.00 | Window Closed / Lapsed |