US4493247A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for improvement of air quality in passenger airplane cabins
Assignee: AMCOR Ltd
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Filing: 1983-06-14
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Granted: 1985-01-15
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Expires: 2003-06-14
Abstract
Abstract Apparatus for improvement of air quality in passenger airplane cabins comprising a source of pressurized air coupled to a central conduit system including a plurality of outlets distributed throughout the passenger compartment of a passenger aircraft, a plurality of outlet devices each communicating with an outlet of the central conduit system, each of the outlet devices having an outlet air path therethrough, and ionization apparatus disposed in the air flow path for ionizing air passing therethrough.
Inventors
- 👤 Mordechai Wachsman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 21:51
CPC Classifications
B; B64; B64D; B64D13/00; B64D13/02; B64D2013/003; B64D13/06; B64D2013/0603; B64D2013/067
Claims Analysis
Total Claims: 13
Claim 1
Independent Claim
93 words
Ventilation and air quality treatment apparatus for passenger aircraft comprising: a source of pressurized air; a conduit network coupled to said source of pressurized air and to a multiplicity of outlet devices, each of said outlet devices being adapted to be positioned adjacent to an individual passenger location; said multiplicity of outlet devices each constructed so as to define a pressurized air flow pathway therein; and a plurality of individual ionization means each disposed in the air flow pathway of one of said outlet devices for providing ionization of the air passing therethrough.
Claim 2
Dependent Claim
93 words
Ventilation and air quality treatment apparatus for passenger aircraft comprising: a source of pressurized air; a conduit network coupled to said source of pressurized air and to a multiplicity of outlet devices, each of said outlet devices being adapted to be positioned adjacent to an individual passenger location; said multiplicity of outlet devices each constructed so as to define a pressurized air flow pathway therein; and a plurality of individual ionization means each disposed in the air flow pathway of one of said outlet devices for providing ionization of the air passing therethrough.
Claim 3
Dependent Claim
27 words
Ventilation and air quality treatment apparatus according to claim 1 and wherein each of said outlet devices comprises means for providing a selectively directable flow of air.
Claim 4
Dependent Claim
26 words
Apparatus according to claim 2 and wherein each of said outlet devices comprises valve means for governing the amount of air through said air flow pathway.
Claim 5
Dependent Claim
18 words
Apparatus according to claim 3 and also comprising a high voltage power source connected to said ionization means.
Claim 6
Dependent Claim
18 words
Apparatus according to claim 2 and also comprising a high voltage power source connected to said ionization means.
Claim 7
Dependent Claim
25 words
Apparatus according to claim 1 and wherein each of said outlet devices valve means for governing the amount of air through said air flow pathway.
Claim 8
Dependent Claim
18 words
Apparatus according to claim 6 and also comprising a high voltage power source connected to said ionization means.
Claim 9
Dependent Claim
18 words
Apparatus according to claim 1 and also comprising a high voltage power source connected to said ionization means.
Claim 10
Dependent Claim
108 words
Ventilation and air quality treatment apparatus for passenger aircraft comprising: a source of pressurized air; a conduit network coupled to said source of pressurized air and to a multiplicity of outlet devices, each of said devices being adapted to be positioned adjacent to an individual passenger location; said multiplicity of outlet devices each constructed so as to define a pressurized air flow pathway and each comprising a valve means for governing the amount of air through said air flow pathway; and a plurality of individual ionization means each disposed in the air flow pathway of one of said outlet devices for providing ionization of the air passing therethrough.
Claim 11
Dependent Claim
108 words
Ventilation and air quality treatment apparatus for passenger aircraft comprising: a source of pressurized air; a conduit network coupled to said source of pressurized air and to a multiplicity of outlet devices, each of said devices being adapted to be positioned adjacent to an individual passenger location; said multiplicity of outlet devices each constructed so as to define a pressurized air flow pathway and each comprising a valve means for governing the amount of air through said air flow pathway; and a plurality of individual ionization means each disposed in the air flow pathway of one of said outlet devices for providing ionization of the air passing therethrough.
Claim 12
Dependent Claim
19 words
Apparatus according to claim 9 and further comprising a high voltage power source connected to said individual ionization means.
Claim 13
Dependent Claim
22 words
Apparatus according to claim 9 and wherein each of said outlet devices comprises means for providing a selectively directable flow of air.
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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) | 1988-01-15 | 1988-07-16 | 1989-01-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1992-01-15 | 1992-07-16 | 1993-01-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1996-01-15 | 1996-07-16 | 1997-01-15 | $7700.00 | Window Closed / Lapsed |