US3784171A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Evaporative heat exchange apparatus
Assignee: Baltimore Aircoil Co Inc
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Filing: 1969-05-01
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Granted: 1974-01-08
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Expires: 1989-05-01
Abstract
Abstract A blow-through evaporative heat exchange apparatus having a blower section with a wet deck section above it. The blower section has at least one slanting wall to provide space for an electric motor and blower under the slanting wall. Diffusion means are provided to ensure a uniform flow of air over the cross section of the wet deck.
Inventors
- 👤 J Engalitcheff
- 👤 T Facius
- 👤 W Bradley
- 👤 A Anderson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 08:05
CPC Classifications
F; F28; F28C; F28C1/00; F28C1/02; F28F; F28F25/00; F28F25/02; F28F25/04; F28F25/08; F28F25/087; Y; Y02; Y02B; Y02B30/00; Y02B30/70; Y10; Y10S; Y10S261/00; Y10S261/11
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
90 words
In a cooling tower having a region of fill, a chamber below said region, a sloping wall partially defining said chamber, said sloping wall having a port therethrough, a blower located outside said chamber and below said wall, means to guide air from said blower through said port into said chamber, and means including a curved portion extending adjacent the upper defining edge of said port into said chamber beyond the plane of said wall, said curved portion being boxed-in by side walls which also perform an air guiding function.
Claim 2
Dependent Claim
90 words
In a cooling tower having a region of fill, a chamber below said region, a sloping wall partially defining said chamber, said sloping wall having a port therethrough, a blower located outside said chamber and below said wall, means to guide air from said blower through said port into said chamber, and means including a curved portion extending adjacent the upper defining edge of said port into said chamber beyond the plane of said wall, said curved portion being boxed-in by side walls which also perform an air guiding function.
Claim 3
Dependent Claim
75 words
In a cooling tower having a region of fill, a chamber below said region, a sloping wall partially defining said chamber, said sloping wall having a port therethrough, a blower located outside said chamber and below said wall, means to guide air from said blower through said port into said chamber, said means including a curved portion extending adjacent the upper defining edge of said port into said chamber beyond the plane of said wall.
Claim 4
Dependent Claim
75 words
In a cooling tower having a region of fill, a chamber below said region, a sloping wall partially defining said chamber, said sloping wall having a port therethrough, a blower located outside said chamber and below said wall, means to guide air from said blower through said port into said chamber, said means including a curved portion extending adjacent the upper defining edge of said port into said chamber beyond the plane of said wall.
Claim 5
Dependent Claim
71 words
In a cooling tower having a region of fill, a chamber below said region, a sloping wall partially defining said chamber, said sloping wall having a port therethrough, means located outside said chamber below said wall to supply air under pressure through said port into said chamber, said means including a curved portion extending adjacent the upper defining edge of said port into said chamber beyond the plane of said wall.
Claim 6
Dependent Claim
71 words
In a cooling tower having a region of fill, a chamber below said region, a sloping wall partially defining said chamber, said sloping wall having a port therethrough, means located outside said chamber below said wall to supply air under pressure through said port into said chamber, said means including a curved portion extending adjacent the upper defining edge of said port into said chamber beyond the plane of said wall.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1977-01-07 | 1977-07-09 | 1978-01-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-01-07 | 1981-07-09 | 1982-01-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-01-07 | 1985-07-09 | 1986-01-08 | $7700.00 | Window Closed / Lapsed |