Patent US5103899A successfully refreshed from Google Patents.
US5103899A
Expired / Lapsed
US
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Multi-flow tubular heat exchanger
Assignee: Individual
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Filing: 1990-08-31
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Granted: 1992-04-14
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Expires: 2010-08-31
Abstract
Abstract A multi-flow tubular heat exchanger is enclosed. The heat exchanger includes a shell that encloses one or more cooling stream tubes, one or more heating stream tubes, and a heat transfer fluid.
Inventors
- 👤 Alexander I. Kalina
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 18:56
CPC Classifications
F; F28; F28D; F28D15/00; F28D15/02; F28D19/00
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
63 words
A heat exchanger comprising: a shell; at least one cooling stream tube enclosed within the shell, said cooling stream tube including a cooling stream comprising a low boiling component and a high boiling component; at least one heating stream tube enclosed within the shell; and a heat transfer fluid, comprising a low boiling component and a high boiling component, enclosed within the shell.
Claim 2
Dependent Claim
63 words
A heat exchanger comprising: a shell; at least one cooling stream tube enclosed within the shell, said cooling stream tube including a cooling stream comprising a low boiling component and a high boiling component; at least one heating stream tube enclosed within the shell; and a heat transfer fluid, comprising a low boiling component and a high boiling component, enclosed within the shell.
Claim 3
Dependent Claim
25 words
The heat exchanger of claim 1 wherein the heating stream tube includes a heating stream comprising a low boiling component and a high boiling component.
Claim 4
Independent Claim
78 words
A method for transferring heat from a heating stream to a cooling stream that includes a low boiling component and a high boiling component comprising: feeding the heating stream into a heating stream tube enclosed within a heat exchanger shell that includes a heat transfer fluid, comprising a low boiling component and a high boiling component, that encompasses the heating stream tube; and feeding the cooling stream into a cooling stream tube enclosed within the heat exchanger shell.
Claim 5
Independent Claim
78 words
A method for transferring heat from a heating stream to a cooling stream that includes a low boiling component and a high boiling component comprising: feeding the heating stream into a heating stream tube enclosed within a heat exchanger shell that includes a heat transfer fluid, comprising a low boiling component and a high boiling component, that encompasses the heating stream tube; and feeding the cooling stream into a cooling stream tube enclosed within the heat exchanger shell.
Claim 6
Dependent Claim
19 words
The method of claim 2 wherein the heating stream comprises a low boiling component and a high boiling component.
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) | 1995-04-14 | 1995-10-14 | 1996-04-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1999-04-14 | 1999-10-14 | 2000-04-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2003-04-14 | 2003-10-14 | 2004-04-14 | $7700.00 | Window Closed / Lapsed |