Patent US3223154A successfully refreshed from Google Patents.
US3223154A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Shell-and-tube heat-exchanger
Assignee: Young Radiator Co
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Filing: 1962-01-25
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Granted: 1965-12-14
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Expires: 1982-01-25
Abstract
No abstract record available.
Inventors
- 👤 Clarence J Goebel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 07:23
CPC Classifications
F; F28; F28D; F28D7/00; F28D7/16; F28D7/163; F28D7/1638; F28D7/1646; F28F; F28F9/00; F28F9/02; F28F9/0202; F28F9/0246
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
133 words
A SHELL-AND-TUBE HEAT EXCHANGER COMPRISING, (A) A CYLINDRICAL SINGLE PIECE SHELL FORMED OF SHEET METAL WITH OPEN ENDS, (B) A CORE UNIT FORMED OF A BUNDLE OF TUBES SPANNING AND SUPPORTING A PAIR OF CIRCULAR HEADERS EACH OF SHEET METAL AND HAVING AN INTEGRAL PERIMETRICAL FLANGE TELESCOPICALLY SEATED IN AND BONDED TO ONE END OF THE SHELL, (C) A PAIR OF CIRCULAR BONNETS EACH DISH-SHAPED FORMED OF STAMPED SHEET METAL HAVING ITS OPEN PERMIETER TELESCOPICALLY SEATED IN AND BONDED TO A HEADER FLANGE, AND (D) FITTINGS STANDARD THREADED BONDED IN THE ENDS OF THE RESPECTIVE BONNETS, AND TO THE SHELL INWARDLY OF THE CORE-UNIT HEADERS FOR CONNECTION OF THE CONDUITS LEADING FROM AND TO FLUID SOURCES TO EFFECT A FLUID FLOW, RESPECTIVELY, THROUGH THE CORE UNIT AND THE LABYRINTH AROUND THE CORE UNIT.
Claim 2
Dependent Claim
133 words
A SHELL-AND-TUBE HEAT EXCHANGER COMPRISING, (A) A CYLINDRICAL SINGLE PIECE SHELL FORMED OF SHEET METAL WITH OPEN ENDS, (B) A CORE UNIT FORMED OF A BUNDLE OF TUBES SPANNING AND SUPPORTING A PAIR OF CIRCULAR HEADERS EACH OF SHEET METAL AND HAVING AN INTEGRAL PERIMETRICAL FLANGE TELESCOPICALLY SEATED IN AND BONDED TO ONE END OF THE SHELL, (C) A PAIR OF CIRCULAR BONNETS EACH DISH-SHAPED FORMED OF STAMPED SHEET METAL HAVING ITS OPEN PERMIETER TELESCOPICALLY SEATED IN AND BONDED TO A HEADER FLANGE, AND (D) FITTINGS STANDARD THREADED BONDED IN THE ENDS OF THE RESPECTIVE BONNETS, AND TO THE SHELL INWARDLY OF THE CORE-UNIT HEADERS FOR CONNECTION OF THE CONDUITS LEADING FROM AND TO FLUID SOURCES TO EFFECT A FLUID FLOW, RESPECTIVELY, THROUGH THE CORE UNIT AND THE LABYRINTH AROUND THE CORE UNIT.
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 |