US3294161A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Heat exchangers
Assignee: Continental Aviation and Engineering Corp
•
Filing: 1961-07-03
•
Granted: 1966-12-27
•
Expires: 1981-07-03
Abstract
No abstract record available.
Inventors
- 👤 Homer J Wood
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 08:31
CPC Classifications
F; F02; F02C; F02C7/00; F02C7/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
137 words
A HEAT EXCHANGER COMPRISING (A) A CORE STRUCTURE HAVING A PLURALITY OF CLOSELY SPACED PARALLEL PASSAGES EXTENDING FROM ONE FACE TO AN OPPOSITE FACE OF SAID STRUCTURE, (B) A HOT FLUID DUCT AND COLD FLUID DUCT CONNECTED WITH ADJACENT AREAS OF SAID CORE STRUCTURE AND ADAPTED TO PROVIDE RESPECTIVELY HOT AND COLD FLUID FLOW THROUGH ADJACENT GROUPS OF SAID PASSAGES, (C) MEANS TRANSFERRING HEAT FROM THE AREAS OF SAID CORE STRUCTURE CONNECTED WITH SAID HOT FLUID DUCT TO THE AREAS OF SAID CORE STRUCTURE CONNECTED WITH SAID COLD FLUID DUCT AND COMPRISING A PLURALITY OF FLUID CONDUITS EXTENDING THROUGH SAID CORE STRUCTURE AREAS NORMAL TO SAID PASSAGES AND IN HEAT EXCHANGE RELATION THEREWITH, AND MEANS CIRCULATING A HEAT TRANSPORTING FLUID THROUGH SAID FLUID CONDUITS SIMULTANEOUSLY WITH THE FLOW OF FLUID THROUGH SAID HOT AND COLD FLUID DUCTS.
Claim 2
Dependent Claim
137 words
A HEAT EXCHANGER COMPRISING (A) A CORE STRUCTURE HAVING A PLURALITY OF CLOSELY SPACED PARALLEL PASSAGES EXTENDING FROM ONE FACE TO AN OPPOSITE FACE OF SAID STRUCTURE, (B) A HOT FLUID DUCT AND COLD FLUID DUCT CONNECTED WITH ADJACENT AREAS OF SAID CORE STRUCTURE AND ADAPTED TO PROVIDE RESPECTIVELY HOT AND COLD FLUID FLOW THROUGH ADJACENT GROUPS OF SAID PASSAGES, (C) MEANS TRANSFERRING HEAT FROM THE AREAS OF SAID CORE STRUCTURE CONNECTED WITH SAID HOT FLUID DUCT TO THE AREAS OF SAID CORE STRUCTURE CONNECTED WITH SAID COLD FLUID DUCT AND COMPRISING A PLURALITY OF FLUID CONDUITS EXTENDING THROUGH SAID CORE STRUCTURE AREAS NORMAL TO SAID PASSAGES AND IN HEAT EXCHANGE RELATION THEREWITH, AND MEANS CIRCULATING A HEAT TRANSPORTING FLUID THROUGH SAID FLUID CONDUITS SIMULTANEOUSLY WITH THE FLOW OF FLUID THROUGH SAID HOT AND COLD FLUID DUCTS.
References Cited (Backward Citations)
DE668493C
Cited
US2413225A
Cited
US2469028A
Cited
US2650073A
Cited
US2674849A
Cited
US2731239A
Cited
GB734938A
Cited
DE1088027B
Cited
US2995344A
Cited
US3138925A
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 |