Patent US3678993A successfully refreshed from Google Patents.
US3678993A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Heat exchange coil and housing therefor
Assignee: Trane US Inc
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Filing: 1970-10-23
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Granted: 1972-07-25
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Expires: 1990-10-23
Abstract
Abstract A heat exchange coil housing structure providing interchangeable side, top and bottom panels whereby the shifting of panels allows for airflow in a plurality of different directions without repositioning the heat exchange coil.
Inventors
- 👤 Larry J Pierce
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 13:06
CPC Classifications
F; F24; F24F; F24F13/00; F24F13/22; F24F13/20
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
150 words
In combination, a heat exchange coil and a housing therefor, said housing comprising end walls and side, top and bottom wall frames having panel receiving portions therein; said heat exchange coil being disposed diagonally of said end walls; means for removably securing panel members to said wall frame panel receiving portions; a first panel member attached to one of said panel receiving portions on a first side of said coil, a second panel member attached to another of said panel receiving portions on the opposite side of said coil, whereby air flows across said coil in either direction through the two panel receiving portions remaining uncovered; condensate receiving means subjacent said coil, said coil and said condensate receiving means remaining in fixed position without regard to the direction of air flow across said coil; whereby said panel members may be repositioned to provide alternate air flow paths through said housing.
Claim 2
Dependent Claim
150 words
In combination, a heat exchange coil and a housing therefor, said housing comprising end walls and side, top and bottom wall frames having panel receiving portions therein; said heat exchange coil being disposed diagonally of said end walls; means for removably securing panel members to said wall frame panel receiving portions; a first panel member attached to one of said panel receiving portions on a first side of said coil, a second panel member attached to another of said panel receiving portions on the opposite side of said coil, whereby air flows across said coil in either direction through the two panel receiving portions remaining uncovered; condensate receiving means subjacent said coil, said coil and said condensate receiving means remaining in fixed position without regard to the direction of air flow across said coil; whereby said panel members may be repositioned to provide alternate air flow paths through said housing.
Claim 3
Dependent Claim
18 words
The apparatus according to claim 1 wherein said panel members communicate with said top and bottom wall frames.
Claim 4
Dependent Claim
15 words
The apparatus according to claim 1 wherein said panel members communicate with said sidewall frames.
Claim 5
Dependent Claim
32 words
The apparatus according to claim 1 wherein one of said panel members communicates with said top wall frame and one of said panel members communicates with one of said side wall frames.
Claim 6
Dependent Claim
32 words
The apparatus according to claim 1 wherein one of said panel members communicates with said bottom wall frame and one of said panel members communicates with one of said side wall frames.
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) | 1975-07-25 | 1976-01-24 | 1976-07-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-07-25 | 1980-01-24 | 1980-07-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-07-25 | 1984-01-24 | 1984-07-25 | $7700.00 | Window Closed / Lapsed |