US3669185A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Modular heat exchanger construction
Assignee: Individual
•
Filing: 1970-08-10
•
Granted: 1972-06-13
•
Expires: 1990-08-10
Abstract
Abstract A heat exchanger construction is disclosed herein that is assembled from selected prefabricated components which include an outer shell for housing a tube assembly having a plurality of tubes carried as a unit by tube sheets and having snap-lock retainers releasably secured to the shell for holding the tube unit circulating fixed position within the shell. Means are provided for circuhating one fluid through the tube and for circulating another fluid around the tube within the shell for effecting an exchange of heat therebetween.
Inventors
- 👤 Howard J Bare
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 14:54
CPC Classifications
F; F28; F28F; F28F9/00; F28F9/02; F28F9/0236; F28F9/0241; F28F9/007; F28F9/013; F28F9/0219; F28F9/22; F28D; F28D7/00; F28D7/16; F28F2280/00; F28F2280/02; Y; Y10; Y10S; Y10S165/00; Y10S165/355; Y10S165/40; Y10S165/427
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
198 words
In a process apparatus assembled from prefabricated components selectively chosen from a plurality of modular components, the combination comprising: an elongated cylindrical shell haVing a central bore extending therethrough; a tube bundle disposed with said bore of said shell so as to leave an exposed region of said bore at each of its opposite ends; closure means carried in each of said exposed regions and releasably secured to said shell; means for introducing a first fluid to said tube bundle for providing a flow path through said tube bundle; means in fluid communication with said bore for recirculating a second fluid about said tube bundle between the opposite ends of said tube bundle; each of said closure means including an end cap insertably disposed in said bore; a spacer disposed between said end cap and said tube bundle so as to define a chamber between the opposing surfaces of said end cap and said tube bundle for accommodating recirculation of said first fluid through said tube bundle; and a snap-lock retainer cooperatively disposed between said end cap and said shell for releasably retaining said closure means and said tube bundle in a fixed location within said shell bore.
Claim 2
Dependent Claim
198 words
In a process apparatus assembled from prefabricated components selectively chosen from a plurality of modular components, the combination comprising: an elongated cylindrical shell haVing a central bore extending therethrough; a tube bundle disposed with said bore of said shell so as to leave an exposed region of said bore at each of its opposite ends; closure means carried in each of said exposed regions and releasably secured to said shell; means for introducing a first fluid to said tube bundle for providing a flow path through said tube bundle; means in fluid communication with said bore for recirculating a second fluid about said tube bundle between the opposite ends of said tube bundle; each of said closure means including an end cap insertably disposed in said bore; a spacer disposed between said end cap and said tube bundle so as to define a chamber between the opposing surfaces of said end cap and said tube bundle for accommodating recirculation of said first fluid through said tube bundle; and a snap-lock retainer cooperatively disposed between said end cap and said shell for releasably retaining said closure means and said tube bundle in a fixed location within said shell bore.
Claim 3
Dependent Claim
35 words
The invention as defined in claim 1 including a tubesheet fixed to the extreme terminating ends of the tubes in said tube bundle so as to hold the tubes in fixed spaced apart parallel relationship.
Claim 4
Dependent Claim
202 words
In a process apparatus assembled from prefabricated components selectively chosen from a plurality of modular components, the combination comprising: an elongated cylindrical shell having a central bore extending therethrough; a tube bundle disposed with said bore of said shell so as to leave an exposed region of said bore at each of its opposite ends; closure means carried in each of said exposed regions and releasably secured to said shell; means for introducing a first fluid to said tube bundle for providing a flow path through said tube bundle; means in fluid communication with said bore for recirculating a second fluid about said tube bundle between the opposite ends of said tube bundle; a tubesheet fixed to the extreme terminating ends of the tube in said tube bundle so as to hold the tubes in fixed spaced apart parallel relationship; each of said closure means including an end cap; a resilient means separating said end caps from said respective tube sheets so as to define chambers permitting recirculating flow of said first fluid through said tube bundle; and snap-lock retainer means releasably carried on said shell for immobilizing said tube bundle, end caps and resilient means from axial movement within said bore.
Claim 5
Dependent Claim
202 words
In a process apparatus assembled from prefabricated components selectively chosen from a plurality of modular components, the combination comprising: an elongated cylindrical shell having a central bore extending therethrough; a tube bundle disposed with said bore of said shell so as to leave an exposed region of said bore at each of its opposite ends; closure means carried in each of said exposed regions and releasably secured to said shell; means for introducing a first fluid to said tube bundle for providing a flow path through said tube bundle; means in fluid communication with said bore for recirculating a second fluid about said tube bundle between the opposite ends of said tube bundle; a tubesheet fixed to the extreme terminating ends of the tube in said tube bundle so as to hold the tubes in fixed spaced apart parallel relationship; each of said closure means including an end cap; a resilient means separating said end caps from said respective tube sheets so as to define chambers permitting recirculating flow of said first fluid through said tube bundle; and snap-lock retainer means releasably carried on said shell for immobilizing said tube bundle, end caps and resilient means from axial movement within said bore.
Claim 6
Dependent Claim
48 words
The invention as defined in claim 3 including sealing means carried on each of said tubesheets to prevent communication of said central chamber with said other chambers; and additional sealing means carried on said end caps to prevent communication of said other chambers exteriorly of said shell bore.
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) | 1975-06-13 | 1975-12-13 | 1976-06-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-06-13 | 1979-12-13 | 1980-06-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-06-13 | 1983-12-13 | 1984-06-13 | $7700.00 | Window Closed / Lapsed |