Patent US3239002A successfully refreshed from Google Patents.
US3239002A
Expired / Lapsed
US
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Tube formation for structuring heatexchanger core-units
Assignee: Young Radiator Co
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Filing: 1964-01-06
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Granted: 1966-03-08
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Expires: 1984-01-06
Abstract
No abstract record available.
Inventors
- 👤 Young Fred Matthew
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 15:53
CPC Classifications
F; F28; F28F; F28F1/00; F28F1/02; Y; Y10; Y10S; Y10S165/00; Y10S165/906
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
131 words
A HEAT-EXCHANGER CORE UNIT, FOR USE IN COOLING SYSTEMS FOR HIGH-POWERED HEAT ENGINES IN EQUIPMENT SUBJECT TO EXCESSIVE VIBRATION AND HIGH TEMPERATURES, COMPRISING, A PAIR OF HEADER PLATES HAVING A PREARRANGED DEFINING WALLS OF THE TUBE OPENINGS ARE PARALLEL AND THE ENDS ARE SEMI-CIRCULAR, AND A PLURALITY OF PARALLEL THINMETAL TUBES OF SUBSTANTIALLY FLAT, ELONGATED CROSS-SECTIONAL CONTOUR THE OPPOSITE SIDES OF WHICH ARE PARALLEL AND OF UNIFORM THICKNESS AND THE EXTERIOR TRANSVERSE WIDTH OF THE TUBS IS SUBSTANTIALLY ONE-SEVENTH THE EXTERIOR TRANSVERSE LENGTH OF THE TUBE, THE TUBES HAVING THEIR ENDS INSERTED IN THE HEADER-PLATE OPENINGS AND BONDED THERETO, THE TUBES HAVING THEIR SMALL RADIUS LATERAL PORTIONS MATERIALLY THICKER THAN THE INTERMEDIATE PARALLEL SIDE PORTIONS TO INSURE THE TUBE-HEADER, BONDING TO THE HEADER PLATE AGAINST FRACTURING UNDER THE STRAINS OF SERVICE.
Claim 2
Dependent Claim
131 words
A HEAT-EXCHANGER CORE UNIT, FOR USE IN COOLING SYSTEMS FOR HIGH-POWERED HEAT ENGINES IN EQUIPMENT SUBJECT TO EXCESSIVE VIBRATION AND HIGH TEMPERATURES, COMPRISING, A PAIR OF HEADER PLATES HAVING A PREARRANGED DEFINING WALLS OF THE TUBE OPENINGS ARE PARALLEL AND THE ENDS ARE SEMI-CIRCULAR, AND A PLURALITY OF PARALLEL THINMETAL TUBES OF SUBSTANTIALLY FLAT, ELONGATED CROSS-SECTIONAL CONTOUR THE OPPOSITE SIDES OF WHICH ARE PARALLEL AND OF UNIFORM THICKNESS AND THE EXTERIOR TRANSVERSE WIDTH OF THE TUBS IS SUBSTANTIALLY ONE-SEVENTH THE EXTERIOR TRANSVERSE LENGTH OF THE TUBE, THE TUBES HAVING THEIR ENDS INSERTED IN THE HEADER-PLATE OPENINGS AND BONDED THERETO, THE TUBES HAVING THEIR SMALL RADIUS LATERAL PORTIONS MATERIALLY THICKER THAN THE INTERMEDIATE PARALLEL SIDE PORTIONS TO INSURE THE TUBE-HEADER, BONDING TO THE HEADER PLATE AGAINST FRACTURING UNDER THE STRAINS OF SERVICE.
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) | 1969-03-07 | 1969-09-06 | 1970-03-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-03-07 | 1973-09-06 | 1974-03-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-03-07 | 1977-09-06 | 1978-03-08 | $7700.00 | Window Closed / Lapsed |