US3767176A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Injector type cooling tower
Assignee: Baltimore Aircoil Co Inc
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Filing: 1969-10-27
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Granted: 1973-10-23
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Expires: 1989-10-27
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
- 👤 E Schinner
- 👤 J Engalitcheff
- 👤 W Bradley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 09:08
CPC Classifications
F; F28; F28D; F28D5/00; F28C; F28C3/00; F28C3/06; F28F; F28F25/00; F28F25/02; Y; Y10; Y10S; Y10S261/00; Y10S261/11; Y10S261/54
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
81 words
An evaporative heat exchanger comprising injectors, each having a throat of rectangular cross-section, means to spray water into the throat of each injector to induce air flow in great quantities into and through said throat, a water container disposed to receive water issuing from said injectors, a common stack arranged to receive the air issuing from said injectors, said injectors being arranged around said stack, the long axes of the rectangular throat of each injector lying radially of the common stack.
Claim 2
Dependent Claim
81 words
An evaporative heat exchanger comprising injectors, each having a throat of rectangular cross-section, means to spray water into the throat of each injector to induce air flow in great quantities into and through said throat, a water container disposed to receive water issuing from said injectors, a common stack arranged to receive the air issuing from said injectors, said injectors being arranged around said stack, the long axes of the rectangular throat of each injector lying radially of the common stack.
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Cited
US2778687A
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US3142548A
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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) | 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 |