Patent US3645191A successfully refreshed from Google Patents.
US3645191A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Air screen spray nozzle
Assignee: Individual
•
Filing: 1969-08-14
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Granted: 1972-02-29
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Expires: 1989-08-14
Abstract
Abstract An adjustable nozzle is provided which cooperates with air ducting to deflect and remove turbulence from a stream of air and convert the same adjustably into an air screen of desired thickness and quality with homogeneous airflow.
Inventors
- 👤 Gunnar C Asker
- 👤 Maurice Hubscher
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 15:22
CPC Classifications
F; F24; F24F; F24F9/00
Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
162 words
An adjustable nozzle for an air screen comprising a housing enclosing a plenum chamber, an outer wall member directing air from said plenum toward a lower outlet, a faired inner wall member supported parallel tO said outer wall member and defining between said wall members a nozzle outlet communicating with said plenum, at least one of said nozzle walls having a series of vertical baffles mounted with said nozzle outlet baffling the air to nonturbulent, streamlined flow outwardly as it passes between said walls, said nozzle outlet being dimensioned between said wall members corresponding to the desired thickness of an air screen to be evolved through said outlet, said wall members having a length selected to provide an air screen of desired longitudinal dimensions to cover a wall opening over which the nozzle and the air screen is to be protectively mounted, and means for adjusting the distance between said nozzle walls to provide an air screen nozzle outlet of selected dimensions.
Claim 2
Dependent Claim
162 words
An adjustable nozzle for an air screen comprising a housing enclosing a plenum chamber, an outer wall member directing air from said plenum toward a lower outlet, a faired inner wall member supported parallel tO said outer wall member and defining between said wall members a nozzle outlet communicating with said plenum, at least one of said nozzle walls having a series of vertical baffles mounted with said nozzle outlet baffling the air to nonturbulent, streamlined flow outwardly as it passes between said walls, said nozzle outlet being dimensioned between said wall members corresponding to the desired thickness of an air screen to be evolved through said outlet, said wall members having a length selected to provide an air screen of desired longitudinal dimensions to cover a wall opening over which the nozzle and the air screen is to be protectively mounted, and means for adjusting the distance between said nozzle walls to provide an air screen nozzle outlet of selected dimensions.
Claim 3
Dependent Claim
37 words
The device as defined in claim 1 wherein both of said walls have a series of baffles mounted within the nozzle outlet baffling the air to nonturbulent streamlined flow outwardly as it is emitted between said walls.
Claim 4
Dependent Claim
39 words
The device as defined in claim 1 wherein the baffles in one of said walls is offset in the direction of the length of said nozzle from the baffles of the other wall whereby all baffles are alternately positioned.
Claim 5
Dependent Claim
60 words
The device as defined in claim 1 wherein the nozzle comprises an elongated housing having an inner adjustably movable nozzle wall, said housing having a plenum portion and an inner movable wall portion, said inner movable wall portion having a series of baffles extending toward the plenum portion whereby to baffle the flow of air radially toward the nozzle outlet.
Claim 6
Dependent Claim
90 words
The device as defined in claim 1 wherein the nozzle comprises an elongated housing having an inner adjustably movable nozzle wall, said housing having a plenum portion and an inner movable wall portion, said inner movable wall portion having a series of baffles extending toward the plenum portion whereby to baffle the flow of air radially toward the nozzle outlet, one of said nozzles walls having a series of baffles mounted within the nozzle outlet baffling the air to nonturbulent, streamlined flow outwardly as it is emitted between said walls.
Claim 7
Dependent Claim
85 words
The device as defined in claim 1 wherein the nozzle comprises an elongated housing having an inner adjustably movable nozzle wall, said housing having a plenum portion and an inner movable wall portion having a series of baffles extending toward the plenum portion whereby to baffle the flow of air radially toward the nozzle outlet, both of said nozzle walls having a series of baffles mounted within the nozzle outlet baffling the air to nonturbulent, streamlined flow outwardly as it is emitted between said walls.
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) | 1975-02-28 | 1975-08-30 | 1976-02-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-02-28 | 1979-08-30 | 1980-02-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-02-28 | 1983-08-30 | 1984-02-29 | $7700.00 | Window Closed / Lapsed |