US3254587A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Elongated rectangular air diffuser
Assignee: Air Devices Inc
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Filing: 1963-10-25
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Granted: 1966-06-07
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Expires: 1983-10-25
Abstract
No abstract record available.
Inventors
- 👤 George J Sweeney
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 09:38
CPC Classifications
F; F24; F24F; F24F13/00; F24F13/02; F24F13/06; F24F13/072; E; E04; E04B; E04B9/00; E04B9/02; E04B2009/026
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
227 words
IN AN ELONGATED RECTANGULAR DIFFUSER STRUCTURE TO DIS TRIBUTE AIR AT HIGH VELOCITY AND WITH TURBULENCE FROM AN INTERIOR DUCT SYSTEM OF THE TYPE FITTED INTO AN ELONGATED WALL OPENING TO DISTRIBUTE INCOMING CONDITIONING AND VENTILATING AIR IN A LAMINAR FLOW PATTERN WITH CRISSCROSS AIR JETS IN THE LAYERS FORMING THE LAMINAR FLOW PATTERN CAUSING A DESIRED TURBULENCE IN THE AIR PATTERN, SAID DIFFUSER HAVING AN OUTSIDE FRAME POSITIONED IN SAID WALL OPENING AND CONNECTED TO THE INTERIOR DUCT SYSTEM, AN INSIDE FRAME LODGED IN OUTSIDE FRAME, A PLURALITY OF PARALLEL CLOSELY ELONGATED PARTITIONS CARRIED BY SAID INSIDE FRAME AND A PLURALITY OF OBLIQUE VANES POSITIONED BETWEEN SAID SEPARATING SAID ELONGATED PARTITIONS TO CAUSE THE AIR TO FLOW OUTWARDLY IN A SERIES OF ELONGATED NARROW STREAMS IN CRISSCROSS OBLIQUE FASHION AND A PLURALITY OF LOUVERS POSITIONED ON THE OUTSIDE ENDS OF THE PARTITIONS TO CAUSE THE NARROW STREAMS TO BE DIVERTED TO ONE SIDE OF THE DIFFUSER, SAID PARTITIONS HAVING INSIDE INLET EDGES AND OUTSIDE EDGES TERMINATING INSIDE OF THE INSIDE EDGE AND THE OUTSIDE EDGE OF THE INSIDE FRAME AND SAID OBLIQUE VANES TERMINATING INSIDE OF THE INSIDE EDGES AND THE OUTSIDE EDGES OF SAID ELONGATED PARTITIONS AND SAID LOUVERS HAVING THEIR INSIDE EDGES SUBSTANTIALLY INSIDE OF THE INSIDE FRAME AN HAVING THEIR OUTER EDGES EXTENDING TO AND ABOUT THE OUTSIDE SURFACE OF SAID OUTSIDE FRAME.
Claim 2
Dependent Claim
227 words
IN AN ELONGATED RECTANGULAR DIFFUSER STRUCTURE TO DIS TRIBUTE AIR AT HIGH VELOCITY AND WITH TURBULENCE FROM AN INTERIOR DUCT SYSTEM OF THE TYPE FITTED INTO AN ELONGATED WALL OPENING TO DISTRIBUTE INCOMING CONDITIONING AND VENTILATING AIR IN A LAMINAR FLOW PATTERN WITH CRISSCROSS AIR JETS IN THE LAYERS FORMING THE LAMINAR FLOW PATTERN CAUSING A DESIRED TURBULENCE IN THE AIR PATTERN, SAID DIFFUSER HAVING AN OUTSIDE FRAME POSITIONED IN SAID WALL OPENING AND CONNECTED TO THE INTERIOR DUCT SYSTEM, AN INSIDE FRAME LODGED IN OUTSIDE FRAME, A PLURALITY OF PARALLEL CLOSELY ELONGATED PARTITIONS CARRIED BY SAID INSIDE FRAME AND A PLURALITY OF OBLIQUE VANES POSITIONED BETWEEN SAID SEPARATING SAID ELONGATED PARTITIONS TO CAUSE THE AIR TO FLOW OUTWARDLY IN A SERIES OF ELONGATED NARROW STREAMS IN CRISSCROSS OBLIQUE FASHION AND A PLURALITY OF LOUVERS POSITIONED ON THE OUTSIDE ENDS OF THE PARTITIONS TO CAUSE THE NARROW STREAMS TO BE DIVERTED TO ONE SIDE OF THE DIFFUSER, SAID PARTITIONS HAVING INSIDE INLET EDGES AND OUTSIDE EDGES TERMINATING INSIDE OF THE INSIDE EDGE AND THE OUTSIDE EDGE OF THE INSIDE FRAME AND SAID OBLIQUE VANES TERMINATING INSIDE OF THE INSIDE EDGES AND THE OUTSIDE EDGES OF SAID ELONGATED PARTITIONS AND SAID LOUVERS HAVING THEIR INSIDE EDGES SUBSTANTIALLY INSIDE OF THE INSIDE FRAME AN HAVING THEIR OUTER EDGES EXTENDING TO AND ABOUT THE OUTSIDE SURFACE OF SAID OUTSIDE FRAME.
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) | 1969-06-06 | 1969-12-06 | 1970-06-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-06-06 | 1973-12-06 | 1974-06-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-06-06 | 1977-12-06 | 1978-06-07 | $7700.00 | Window Closed / Lapsed |