US3823770A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Heat exchange assembly
Assignee: Carrier Corp
•
Filing: 1973-09-28
•
Granted: 1974-07-16
•
Expires: 1993-09-28
Abstract
Abstract A heat exchange assembly comprising a casing including a wall having at least one slot defined therein, said casing defining a chamber. A heat exchange coil is disposed in the chamber of the casing and includes at least one tab extending from an end thereof, the tab being inserted into the slot in the wall of the casing to secure the heat exchange coil within the chamber.
Inventors
- 👤 R Duell
- 👤 F Honnold
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 13:34
CPC Classifications
F; F25; F25B; F25B39/00; F24; F24F; F24F13/00; F24F13/20
Claims Analysis
Total Claims: 8
Claim 1
Independent Claim
76 words
A heat exchange assembly comprising: a. means defining a casing including a wall having at least one slot defined therein, said casing means defining a chamber; and b. a heat exchange coil disposed in said chamber of said casing and having at least one tab member extending therefrom, said tab member being inserted into said slot of said wall of said casing means to secure said heat exchange coil within said chamber of said casing means.
Claim 2
Dependent Claim
76 words
A heat exchange assembly comprising: a. means defining a casing including a wall having at least one slot defined therein, said casing means defining a chamber; and b. a heat exchange coil disposed in said chamber of said casing and having at least one tab member extending therefrom, said tab member being inserted into said slot of said wall of said casing means to secure said heat exchange coil within said chamber of said casing means.
Claim 3
Dependent Claim
33 words
A heat exchange assembly in accordance with claim 1 wherein said heat exchange coil includes a tube sheet provided at one end thereof, said tab member being formed integral with said tube sheet.
Claim 4
Dependent Claim
23 words
A heat exchange assembly in accordance with claim 2 wherein said slot is provided in an inwardly extending embossment formed in said wall.
Claim 5
Dependent Claim
23 words
A heat exchange assembly in accordance with claim 1 wherein said slot is provided in an inwardly extending embossment formed in said wall.
Claim 6
Dependent Claim
94 words
A heat exchange assembly comprising: a. casing means including a pair of side walls, and a rear wall connected together to define a chamber therebetween, said rear wall having a pair of spaced apart slots formed therein; and b. a heat exchange coil disposed in said chamber, said coil including at least one tube sheet provided at one end thereof, a pair of spaced apart tab members extending outwardly from said tube sheet, said tab members being insertable into said slots of said rear wall to secure said coil within said casing means chamber.
Claim 7
Dependent Claim
94 words
A heat exchange assembly comprising: a. casing means including a pair of side walls, and a rear wall connected together to define a chamber therebetween, said rear wall having a pair of spaced apart slots formed therein; and b. a heat exchange coil disposed in said chamber, said coil including at least one tube sheet provided at one end thereof, a pair of spaced apart tab members extending outwardly from said tube sheet, said tab members being insertable into said slots of said rear wall to secure said coil within said casing means chamber.
Claim 8
Dependent Claim
26 words
A heat exchange assembly in accordance with claim 5 wherein each of said slots is provided in an inwardly extending embossment formed in said rear wall.
References Cited (Backward Citations)
US2042420A
Cited
US2620039A
Cited
US3191670A
Cited
US3428031A
Cited
US3628590A
Cited
US3678993A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1977-07-15 | 1978-01-14 | 1978-07-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-07-15 | 1982-01-14 | 1982-07-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-07-15 | 1986-01-14 | 1986-07-16 | $7700.00 | Window Closed / Lapsed |