Patent US3225824A successfully refreshed from Google Patents.
US3225824A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Air-cooled heat exchanger for cooling liquid media
Assignee: Individual
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Filing: 1963-09-24
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Granted: 1965-12-28
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Expires: 1983-09-24
Abstract
No abstract record available.
Inventors
- 👤 Wartenburg Kurt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 20:48
CPC Classifications
F; F28; F28B; F28B1/00; F28B1/06; F28D; F28D9/00; F28D9/0062; F28F; F28F1/00; F28F1/10; F28F1/40; F28F13/00; F28F13/06; F28F3/00; F28F3/02; F28F3/025; F28F3/027; F28F3/06; F28F2250/00; F28F2250/10; F28F2250/102; Y; Y10; Y10T; Y10T24/00; Y10T24/21; Y10T24/2187
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
318 words
A HEAT EXCHANGER COMPRISING IN COMBINATION: (A) A PLURALITY OF TUBULAR ELEMENTS ELONGATED IN A COMMON DIRECTION, (1) SAID ELEMENTS BEING SECURED TO EACH OTHER TO CONSTITUTE A PLURALITY OF ROWS, (2) THE ELEMENTS OF EACH ROW BEING CONTIGUOUSLY JUXTAPOSED IN A COMMON PLANE AND BEING SPACED FROM THE ELEMENTS OF ADJACENT ROWS IN A DIRECTION TRANSVERSE OF SAID PLANE, SAID ROWS JOINTLY CONSTITUTING A STACK OF TUBULAR ELEMENTS; (B) TWO WALL MEMBER EXTENDING IN SAID COMMON DIRECTIONS IN RESPONSIVE PLANES TRANSVERSE OF SAID COMMON PLANES AND BEING SPACED FROM SAID STACK OF ELEMENTS IN OPPOSITE DIRECTIONS; (C) A PLURALITY OF SPACER MEMBER SELONGATED TRANSVERSELY OF SAID COMMON DIECTION AND INTERPOSED BETWEEN SAID ROWS, (1) THE SPACER MEMBERS INTERPOSED BETWEEN EACH PAIR OF ADJACENT ROWS CONSTITUTING A GROUP OF SPACER MEMBERS SPACED FROM EACH OTHER IN EACH OTHER IN SAID COMMON DIRECTION AND ALTERNATINGLY EXTENDING FROM SAID WALL MEMBERS TO A POINT SPACEDLY ADJACENT THE OTHER WALL MEMBER, (2) WHEREBY EACH PAIR OF SAID ROWS, THE INTERPOSED GROUP OF SPACER MEMBERS, AND SAID WALL MEM BERS DEFINE AN ELONGATED SERPENTINE SHAPED FLOW PATH HAVING A PLURALITY OF AREAS OF FLOW REVERSAL ADJACENT SAID WALL MEMBERS, THE SEVERAL FLOW PATHS BEING SPACED IN SAID TRANSVERSE DIRECTION, (3) THE SPACER MEMBERS OF THE SEVERAL GROUPS BEING ALIGNED WITH EACH OTHER IN RESPECTIVE PLANES OF ALIGNMENT SPACED IN SAID TANSVERSE DIRECTION AND TRANSVERSE THERETO; (D) A PLURALITY OF PARTITION MEMBERS INTERPOSED BETWEEN SAID WALL MEMBERS AND SAID STACK OF ELEMENTS IN SAID PLANES OF ALIGNMENT WHEREBY SAID WALL MEMBERS, SAID PARTITION MEMBERS, AND SAID STACK JOINTLY DEFINE A PLURALITY OF PASSAGES CONNECTING THE AREAS OF FLOW REVERSAL OF ADJACENT FLOW PATHS IN SAID TRANSVERSE DIRECTION, SAID PARTITIONS RESPECTIVELY SEPARATING ADJACENT PASSAGES; (E) FIRST MEANS FOR PASSING A FIRST FLUID THROUGH SAID TUBUAR ELEMENTS IN SAID COMMON DIRECTION; AND (F) SECOND MEANS FOR PASSING A SECOND FLUID LONGITUDINALLY THROUGH SAID FLOW PATHS.
Claim 2
Dependent Claim
318 words
A HEAT EXCHANGER COMPRISING IN COMBINATION: (A) A PLURALITY OF TUBULAR ELEMENTS ELONGATED IN A COMMON DIRECTION, (1) SAID ELEMENTS BEING SECURED TO EACH OTHER TO CONSTITUTE A PLURALITY OF ROWS, (2) THE ELEMENTS OF EACH ROW BEING CONTIGUOUSLY JUXTAPOSED IN A COMMON PLANE AND BEING SPACED FROM THE ELEMENTS OF ADJACENT ROWS IN A DIRECTION TRANSVERSE OF SAID PLANE, SAID ROWS JOINTLY CONSTITUTING A STACK OF TUBULAR ELEMENTS; (B) TWO WALL MEMBER EXTENDING IN SAID COMMON DIRECTIONS IN RESPONSIVE PLANES TRANSVERSE OF SAID COMMON PLANES AND BEING SPACED FROM SAID STACK OF ELEMENTS IN OPPOSITE DIRECTIONS; (C) A PLURALITY OF SPACER MEMBER SELONGATED TRANSVERSELY OF SAID COMMON DIECTION AND INTERPOSED BETWEEN SAID ROWS, (1) THE SPACER MEMBERS INTERPOSED BETWEEN EACH PAIR OF ADJACENT ROWS CONSTITUTING A GROUP OF SPACER MEMBERS SPACED FROM EACH OTHER IN EACH OTHER IN SAID COMMON DIRECTION AND ALTERNATINGLY EXTENDING FROM SAID WALL MEMBERS TO A POINT SPACEDLY ADJACENT THE OTHER WALL MEMBER, (2) WHEREBY EACH PAIR OF SAID ROWS, THE INTERPOSED GROUP OF SPACER MEMBERS, AND SAID WALL MEM BERS DEFINE AN ELONGATED SERPENTINE SHAPED FLOW PATH HAVING A PLURALITY OF AREAS OF FLOW REVERSAL ADJACENT SAID WALL MEMBERS, THE SEVERAL FLOW PATHS BEING SPACED IN SAID TRANSVERSE DIRECTION, (3) THE SPACER MEMBERS OF THE SEVERAL GROUPS BEING ALIGNED WITH EACH OTHER IN RESPECTIVE PLANES OF ALIGNMENT SPACED IN SAID TANSVERSE DIRECTION AND TRANSVERSE THERETO; (D) A PLURALITY OF PARTITION MEMBERS INTERPOSED BETWEEN SAID WALL MEMBERS AND SAID STACK OF ELEMENTS IN SAID PLANES OF ALIGNMENT WHEREBY SAID WALL MEMBERS, SAID PARTITION MEMBERS, AND SAID STACK JOINTLY DEFINE A PLURALITY OF PASSAGES CONNECTING THE AREAS OF FLOW REVERSAL OF ADJACENT FLOW PATHS IN SAID TRANSVERSE DIRECTION, SAID PARTITIONS RESPECTIVELY SEPARATING ADJACENT PASSAGES; (E) FIRST MEANS FOR PASSING A FIRST FLUID THROUGH SAID TUBUAR ELEMENTS IN SAID COMMON DIRECTION; AND (F) SECOND MEANS FOR PASSING A SECOND FLUID LONGITUDINALLY THROUGH SAID FLOW PATHS.
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) | 1968-12-27 | 1969-06-28 | 1969-12-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-12-27 | 1973-06-28 | 1973-12-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-12-27 | 1977-06-28 | 1977-12-28 | $7700.00 | Window Closed / Lapsed |