US3653593A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for generating a high voltage
Assignee: Nippon Kogei Kogyo Co Ltd
•
Filing: 1969-11-10
•
Granted: 1972-04-04
•
Expires: 1989-11-10
Abstract
Abstract An apparatus for generating a high voltage which includes a transformer, a rectifying circuit connected to the transformer, a high voltage output terminal connected to the rectifying circuit, a foamed insulator molded into the space between the transformer and the components of the rectifying circuit with the exception of the high voltage output terminal, and a container insulated by the foamed insulator from the high voltage components and electrically grounded.
Inventors
- 👤 Tamotsu Watanabe
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 16:10
CPC Classifications
B; B05; B05B; B05B5/00; B05B5/08; B05B5/10; H; H01; H01F; H01F27/00; H01F27/02; H01F27/022; H01F27/40; H03; H03K; H03K3/00; H03K3/02; H03K3/53; H01F27/408
Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
88 words
Apparatus for generating a high voltage, comprising: a transformer, a rectifying circuit means including a plurality of components therein and connected to said transformer, a high voltage output terminal connected to saiD rectifying circuit means, a foamed insulator molded into the space between said transformer and the components of said rectifying circuit means, and, a container insulated by said foamed insulator from said high voltage components and electrically grounded, said high voltage being connected with an electrostatic spraying system which includes a spray gun having charging electrodes therein.
Claim 2
Dependent Claim
88 words
Apparatus for generating a high voltage, comprising: a transformer, a rectifying circuit means including a plurality of components therein and connected to said transformer, a high voltage output terminal connected to saiD rectifying circuit means, a foamed insulator molded into the space between said transformer and the components of said rectifying circuit means, and, a container insulated by said foamed insulator from said high voltage components and electrically grounded, said high voltage being connected with an electrostatic spraying system which includes a spray gun having charging electrodes therein.
Claim 3
Dependent Claim
42 words
Apparatus for generating a high voltage as set forth in claim 1, wherein said container is made conductive through a rounded terminal whereby an electric field is formed between the grounded article being sprayed and the charging electrodes of said spray gun.
Claim 4
Dependent Claim
20 words
Apparatus for generating a high voltage as set forth in claim 1, wherein said insulator is a foamed polyurethane resin.
Claim 5
Dependent Claim
18 words
Apparatus as set forth in claim 3, wherein said insulator is a closed cell foam which is non-continuous.
Claim 6
Dependent Claim
43 words
Apparatus for generating a high voltage as set forth in claim 1, wherein said transformer is not disposed within the same space as said rectifying circuit means and wherein said rectifying circuit means includes a rectifier which is a cold cathode of selenium.
Claim 7
Dependent Claim
40 words
Apparatus for generating a high voltage as set forth in claim 1, wherein said transformer is not disposed within the same space as said rectifying circuit means and wherein said rectifying circuit means includes a rectifier which is a semiconductor.
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) | 1975-04-04 | 1975-10-04 | 1976-04-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-04-04 | 1979-10-04 | 1980-04-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-04-04 | 1983-10-04 | 1984-04-04 | $7700.00 | Window Closed / Lapsed |