US3294159A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Heat exchanger with spring biased support
Assignee: Union Carbide Corp
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Filing: 1964-11-09
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Granted: 1966-12-27
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Expires: 1984-11-09
Abstract
No abstract record available.
Inventors
- 👤 Albert E Kovalik
- 👤 Samuel H S Raub
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 23:13
CPC Classifications
F; F28; F28F; F28F21/00; F28F21/02; Y; Y10; Y10S; Y10S165/00; Y10S165/051; Y10S165/052; Y10S165/053; Y10S165/054; Y10S165/055; Y10S165/056
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
111 words
A HEAT EXCHANGER, COMPRISING A SHELL, A TUBE BUNDLE THEREIN, A FLOATING TUBE SHEET FOR SLIDABLY SUPPORTING ONE END OF SAID TUBE BUNDLE WITHIN SAID SHELL, A FLANGE ON SAID SHELL AT THE FLOATING TUBE SHEET END THEREOF, A FLOATING COVER ABUTTING SAID FLOATING TUBE SHEET, AN END PLATE FOR THE FLOATING END OF SAID HEAT EXCHANGER, MEANS FOR SECURING SAID END PLATE TO SAID FLANGE, RESILIENT LOADING MEANS DISPOSED BETWEEN SAID END PLATE AND SAID FLOATING COVER AND PASSAGE MEANS FOR ENABLING THE SHELL SIDE FLUID TO IMPRESS AGAINST SAID FLOATING COVER IN THE DIRECTION OF SAID RESILIENT LOADING MEANS WHEREBY THE TUBES OF SAID TUBE BUNDLE ARE COMPRESSIVELY LOADED.
Claim 2
Dependent Claim
111 words
A HEAT EXCHANGER, COMPRISING A SHELL, A TUBE BUNDLE THEREIN, A FLOATING TUBE SHEET FOR SLIDABLY SUPPORTING ONE END OF SAID TUBE BUNDLE WITHIN SAID SHELL, A FLANGE ON SAID SHELL AT THE FLOATING TUBE SHEET END THEREOF, A FLOATING COVER ABUTTING SAID FLOATING TUBE SHEET, AN END PLATE FOR THE FLOATING END OF SAID HEAT EXCHANGER, MEANS FOR SECURING SAID END PLATE TO SAID FLANGE, RESILIENT LOADING MEANS DISPOSED BETWEEN SAID END PLATE AND SAID FLOATING COVER AND PASSAGE MEANS FOR ENABLING THE SHELL SIDE FLUID TO IMPRESS AGAINST SAID FLOATING COVER IN THE DIRECTION OF SAID RESILIENT LOADING MEANS WHEREBY THE TUBES OF SAID TUBE BUNDLE ARE COMPRESSIVELY LOADED.
References Cited (Backward Citations)
US464159A
Cited
US826966A
Cited
US1591174A
Cited
DE908028C
Cited
US2887303A
Cited
FR1211918A
Cited
US2965787A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-12-26 | 1970-06-27 | 1970-12-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-12-26 | 1974-06-27 | 1974-12-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-12-26 | 1978-06-27 | 1978-12-27 | $7700.00 | Window Closed / Lapsed |