US3767177A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Injector type cooling tower
Assignee: Baltimore Aircoil Co Inc
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Filing: 1971-12-03
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Granted: 1973-10-23
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Expires: 1991-12-03
Abstract
Abstract An injection type cooling tower, the basic module of which is made up of an injector and an exhaust stack which are made in interfitting relationship with common walls and also injection type cooling towers which have the axis of fluid flow disposed horizontally or inverted.
Inventors
- 👤 J Engalitcheff
- 👤 W Bradley
- 👤 E Schinner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 14:26
CPC Classifications
F; F28; F28C; F28C3/00; F28C3/06; Y; Y10; Y10S; Y10S261/00; Y10S261/11; Y10S261/54
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
91 words
An evaporative heat exchanger comprising an injector having a throat, means to spray water upwardly into said throat, a primary water container, a secondary water container, said water containers defining therebetween an air intake space, the lower end of said injector communicating with said space, baffle means adjacent the upper end of said injector to deflect water issuing therefrom into said secondary container and means to transfer streams of water from said secondary to said primary water container in direct heat exchange relationship with the air in said air inlet space.
Claim 2
Dependent Claim
91 words
An evaporative heat exchanger comprising an injector having a throat, means to spray water upwardly into said throat, a primary water container, a secondary water container, said water containers defining therebetween an air intake space, the lower end of said injector communicating with said space, baffle means adjacent the upper end of said injector to deflect water issuing therefrom into said secondary container and means to transfer streams of water from said secondary to said primary water container in direct heat exchange relationship with the air in said air inlet space.
Claim 3
Dependent Claim
37 words
An evaporative heat exchanger as claimed in claim 1 in which the throat of said injector is rectangular in configuration and in which the means to spray water upwardly into said throat comprises a row of nozzles.
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) | 1976-10-22 | 1977-04-23 | 1977-10-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-10-22 | 1981-04-23 | 1981-10-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-10-22 | 1985-04-23 | 1985-10-23 | $7700.00 | Window Closed / Lapsed |