Patent US2409827A successfully refreshed from Google Patents.
Patent JPS6289342A successfully refreshed from Google Patents.
US4109291A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Impregnated condenser construction for electric power transmission
Assignee: ABB Norden Holding AB
•
Filing: 1977-03-17
•
Granted: 1978-08-22
•
Expires: 1997-03-17
Abstract
Abstract A wet condenser construction constituted by a certain number of individual windings ganged in a tank, impregnated or treated with an insulating liquid and interconnected in series or in parallel. Each individual condenser winding is enclosed in an insulating closed casing reducing to a minimum the quantity of impregnated liquid. These individual condenser windings enclosed in their individual casings are disposed inside a closed tank in which the total volume of the voids between the insulating casings is appreciably greater than the total volume of the impregnated liquid contained in the insulating casings.
Inventors
- 👤 Charles Bozzini
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 07:24
CPC Classifications
H; H01; H01G; H01G4/00; H01G4/002; H01G4/224; H01G4/018; H01G4/20; H01G4/22; H01G4/38
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
97 words
A condenser comprising: a closed tank; a predetermined number of insulating casings fitting into said tank there being voids between the insulating casings and between the casings and the inner wall of the tank; individual condenser windings, each of said windings closely fitting into one of said casings, said windings being treated with an insulating liquid, and wherein the total volume of the voids between said insulating casings in said tank is greater than the total volume of said insulating liquid of said windings whereby emission of gas from the condensers may be absorbed in the voids.
Claim 2
Dependent Claim
97 words
A condenser comprising: a closed tank; a predetermined number of insulating casings fitting into said tank there being voids between the insulating casings and between the casings and the inner wall of the tank; individual condenser windings, each of said windings closely fitting into one of said casings, said windings being treated with an insulating liquid, and wherein the total volume of the voids between said insulating casings in said tank is greater than the total volume of said insulating liquid of said windings whereby emission of gas from the condensers may be absorbed in the voids.
Claim 3
Dependent Claim
35 words
A condenser as claimed in claim 1, including means positively interconnecting said condenser windings comprising lead wires, and wherein said tank has a through opening having an elastic joint across which said lead wires extend.
Claim 4
Dependent Claim
22 words
A condenser as claimed in claim 2, wherein said tank has a removable cover and sealing means to ensure tight closing thereof.
Claim 5
Dependent Claim
36 words
A condenser as claimed in claim 1, wherein said insulating liquid is a dielectric liquid and wherein said condenser windings are impregnated with said dielectric liquid and coated with a synthetic resin solidifying at ambient temperature.
References Cited (Backward Citations)
US1801413A
Cited
DE764753C
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1981-08-21 | 1982-02-20 | 1982-08-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1985-08-21 | 1986-02-20 | 1986-08-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1989-08-21 | 1990-02-20 | 1990-08-22 | $7700.00 | Window Closed / Lapsed |