US4366525A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Air ionizer for rooms
Assignee: ELCAR ZURICH AG
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Filing: 1981-03-04
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Granted: 1982-12-28
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Expires: 2001-03-04
Abstract
Abstract A room air ionizer which includes a housing having an air inlet and an air outlet, a fan for drawing air into the housing through the air inlet and for blowing air out of the housing through the air outlet, negative ion-producing electrodes located between the fan and the air outlet and a high-voltage generator electrically connected to the electrodes, the improvement wherein a mounting plate which includes a plurality of adjustable ball nozzles is positioned over the air outlet, each of the ball nozzles being individually rotatable to determine in what direction the air with negative ions passing therethrough will flow.
Inventors
- 👤 Carl Baumgartner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 23:02
CPC Classifications
F; F24; F24F; F24F8/00; F24F8/10; F24F8/192; H; H01; H01T; H01T23/00; Y; Y02; Y02A; Y02A50/00; Y02A50/20
Claims Analysis
Total Claims: 8
Claim 1
Independent Claim
135 words
In an air ionizer useful for distributing negative ions in enclosed spaces in buildings, the air ionizer including a housing which has an air inlet opening and an air outlet opening, a fan located within the housing to suck environmental air into the housing through the air inlet opening and thereafter blow the air out of the housing through the air outlet opening, a number of negative ion-producing electrodes positioned in the housing for producing negative ions in the air therein, and a high-voltage generator electrically connected to the negative ion-producing electrodes, the improvement wherein a mounting plate which includes a multiplicity of individually adjustable ball nozzles is positioned over the air outlet opening, each of the ball nozzles being rotatable to determine in what direction the air with negative ions passing therethrough will flow.
Claim 2
Dependent Claim
135 words
In an air ionizer useful for distributing negative ions in enclosed spaces in buildings, the air ionizer including a housing which has an air inlet opening and an air outlet opening, a fan located within the housing to suck environmental air into the housing through the air inlet opening and thereafter blow the air out of the housing through the air outlet opening, a number of negative ion-producing electrodes positioned in the housing for producing negative ions in the air therein, and a high-voltage generator electrically connected to the negative ion-producing electrodes, the improvement wherein a mounting plate which includes a multiplicity of individually adjustable ball nozzles is positioned over the air outlet opening, each of the ball nozzles being rotatable to determine in what direction the air with negative ions passing therethrough will flow.
Claim 3
Dependent Claim
31 words
The air ionizer as defined in claim 1 wherein the individual ball nozzles are separated from one another and are arranged in the mounting plate in at least two horizontal rows.
Claim 4
Dependent Claim
24 words
The air ionizer as defined in claim 1 wherein the mounting plate and each ball nozzle contained therein is made of electrically-insulating synthetic material.
Claim 5
Dependent Claim
26 words
The air ionizer as defined in claim 1 wherein the negative ion-producing electrodes are positioned in the housing between the fan and the air outlet opening.
Claim 6
Dependent Claim
83 words
The air ionizer as defined in claim 1 wherein the housing includes a box-shaped filter part and an interconnected box-shaped ionizer part, the air inlet opening being located in a side of the box-shaped filter part and the air outlet opening being located in an exposed side of the box-shaped ionizer part, wherein at least one filter screen is located over the air inlet opening, and wherein the negative ion-producing electrodes are positioned in the box-shaped ionizer part adjacent the air outlet opening.
Claim 7
Dependent Claim
121 words
The air ionizer as defined in claim 1 wherein the housing includes a box-shaped filter part having top, bottom and four side walls, a box-shaped ionizer part respectively connected to the four side walls of the box-shaped filter part, and a suspension means connected to the top wall of the box-shaped filter part to attach the housing to a ceiling, the air inlet opening being located in the bottom wall of the box-shaped filter part and a separate air outlet opening being located in an exposed side of each box-shaped ionizer part, wherein a separate mounting plate with individually adjustable ball nozzles are positioned over each air outlet opening, and wherein a filter screen is located over the air inlet opening.
Claim 8
Dependent Claim
23 words
The air ionizer as defined in claim 6 wherein separate negative ion-producing electrodes are located in each of the four box-shaped ionizer parts.
References Cited (Backward Citations)
US2528130A
Cited
US3626669A
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US3804942A
Cited
US3846072A
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US4133652A
Cited
US4244712A
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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) | 1985-12-27 | 1986-06-28 | 1986-12-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1989-12-27 | 1990-06-28 | 1990-12-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1993-12-27 | 1994-06-28 | 1994-12-28 | $7700.00 | Window Closed / Lapsed |