Patent US3310036A successfully refreshed from Google Patents.
US3310036A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gas off-take system
Assignee: Babcock and Wilcox Co
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Filing: 1965-09-28
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Granted: 1967-03-21
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Expires: 1985-09-28
Abstract
No abstract record available.
Inventors
- 👤 Arthur M Frendberg
- 👤 Richard P Siegfried
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 19:08
CPC Classifications
F; F22; F22G; F22G5/00; F22G5/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
207 words
A GAS OFF-TAKE SYSTEM COMPRISING FIRST DUCT MEANS HAVING A SUBSTANTIALLY RECTANGULAR CROSS-SECTIONAL FLOW AREA AND FORMING A PASSAGEWAY CONFINING THE FLOW OF A STREAM OF SOLIDS-LADEN GAS, SAID PASSAGEWAY INCLUDING A FIRST PORTION, A SECOND PORTION OF GREATER WIDTH THAN SAID FIRST PORTION, AND A FLARING PORTION INTERCONNECTING SAID FIRST AND SECOND PORTIONS, SECOND DUCT MEANS DISPOSED OUTSIDE OF SAID PASSAGEWAY TRANSVERSELY WITH RESPECT TO SAID FIRST DUCT MEANS FOR COLLECTING AND CONFINING THE FLOW OF GAS WITHDRAWN FROM SAID GAS STREAM, AND MEANS FOR EVENLY DISTRIBUTING GAS ACROSS THE WIDTH OF SAID SECOND PORTION OF SAID FIRST DUCT MEANS INCLUDING A PLURALITY OF GAS OFF-TAKE CHANNEL ELEMENTS SPACED WITHIN SAID FLARING PORTION AT REGULAR INTERVALS THEREACROSS, SAID CHANNEL ELEMENTS BEING ORIENTED IN DIVERGING POSITIONS WITH RESPECT TO EACH OTHER IN THE DIRECTION OF GAS FLOW, EACH OF SAID CHANNEL ELEMENTS BEING IN COMMUNICATION WITH SAID SECOND DUCT MEANS AND HAVING FORMED THEREIN INLET OPENING MEANS DISPOSED WITHIN SAID PASSAGEWAY IN A PLANE HAVING A SUBSTANTIALLY HORIZONTAL COMPONENT AND BEING SUBSTANTIALLY PERPENDICULAR TO THE FLOW OF SAID SOLIDS-LADEN GAS IN SAID PASSAGEWAY, WHEREBY GAS FLOWING THROUGH SAID PASSAGEWAY AND INTO SAID OPENING MEANS IS REQUIRED TO TAKE A SUBSTANTIAL 180* TURN TO ENTER SAID CHANNEL MEMBERS.
Claim 2
Dependent Claim
207 words
A GAS OFF-TAKE SYSTEM COMPRISING FIRST DUCT MEANS HAVING A SUBSTANTIALLY RECTANGULAR CROSS-SECTIONAL FLOW AREA AND FORMING A PASSAGEWAY CONFINING THE FLOW OF A STREAM OF SOLIDS-LADEN GAS, SAID PASSAGEWAY INCLUDING A FIRST PORTION, A SECOND PORTION OF GREATER WIDTH THAN SAID FIRST PORTION, AND A FLARING PORTION INTERCONNECTING SAID FIRST AND SECOND PORTIONS, SECOND DUCT MEANS DISPOSED OUTSIDE OF SAID PASSAGEWAY TRANSVERSELY WITH RESPECT TO SAID FIRST DUCT MEANS FOR COLLECTING AND CONFINING THE FLOW OF GAS WITHDRAWN FROM SAID GAS STREAM, AND MEANS FOR EVENLY DISTRIBUTING GAS ACROSS THE WIDTH OF SAID SECOND PORTION OF SAID FIRST DUCT MEANS INCLUDING A PLURALITY OF GAS OFF-TAKE CHANNEL ELEMENTS SPACED WITHIN SAID FLARING PORTION AT REGULAR INTERVALS THEREACROSS, SAID CHANNEL ELEMENTS BEING ORIENTED IN DIVERGING POSITIONS WITH RESPECT TO EACH OTHER IN THE DIRECTION OF GAS FLOW, EACH OF SAID CHANNEL ELEMENTS BEING IN COMMUNICATION WITH SAID SECOND DUCT MEANS AND HAVING FORMED THEREIN INLET OPENING MEANS DISPOSED WITHIN SAID PASSAGEWAY IN A PLANE HAVING A SUBSTANTIALLY HORIZONTAL COMPONENT AND BEING SUBSTANTIALLY PERPENDICULAR TO THE FLOW OF SAID SOLIDS-LADEN GAS IN SAID PASSAGEWAY, WHEREBY GAS FLOWING THROUGH SAID PASSAGEWAY AND INTO SAID OPENING MEANS IS REQUIRED TO TAKE A SUBSTANTIAL 180* TURN TO ENTER SAID CHANNEL MEMBERS.
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) | 1970-03-20 | 1970-09-19 | 1971-03-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-03-20 | 1974-09-19 | 1975-03-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-03-20 | 1978-09-19 | 1979-03-21 | $7700.00 | Window Closed / Lapsed |