US4315299A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Power capacitor with high heat dissipation
Assignee: Lcc-Cice Europeenne De Composants Electroniques Cie
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Filing: 1980-01-21
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Granted: 1982-02-09
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Expires: 2000-01-21
Abstract
Abstract The application relates to a high power tubular ceramic capacitors cooled by an auxiliary fluid. To increase the electrical power dissipated by these capacitors a better thermal equilibrium is obtained by means of a novel turbulent, laminar, cooling water circuit between the capacitor body and a central tube having a large relative diameter, said device cooperating with a connector which distributes the dissipated heat over the capacitor body.
Inventors
- 👤 Roland Saint Marcoux
- 👤 Leon Fink
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 08:26
CPC Classifications
H; H01; H01G; H01G2/00; H01G2/08
Claims Analysis
Total Claims: 12
Claim 1
Independent Claim
139 words
A power condenser with high thermal dissipation, comprising: a hollow dielectric body; an external armature supported by the outer surface of said body; an internal armature supported by the inner surface of said body; a sleeve coaxial with said hollow dielectric body and having a diameter close to the diameter of said body, whereby a space is formed therebetween; connecting means communicating the side of said sleeve opposite said space with said space; and at least one static device arranged along a helicoidal pattern in said space, whereby a cooling liquid can flow longitudinally past said opposite side of said sleeve to said connecting means and into said space, whereby said cooling liquid can flow through said space in a helicoidal flow pattern to thereby become stirred and increase the heat transfer between said cooling liquid and said condenser.
Claim 2
Dependent Claim
139 words
A power condenser with high thermal dissipation, comprising: a hollow dielectric body; an external armature supported by the outer surface of said body; an internal armature supported by the inner surface of said body; a sleeve coaxial with said hollow dielectric body and having a diameter close to the diameter of said body, whereby a space is formed therebetween; connecting means communicating the side of said sleeve opposite said space with said space; and at least one static device arranged along a helicoidal pattern in said space, whereby a cooling liquid can flow longitudinally past said opposite side of said sleeve to said connecting means and into said space, whereby said cooling liquid can flow through said space in a helicoidal flow pattern to thereby become stirred and increase the heat transfer between said cooling liquid and said condenser.
Claim 3
Dependent Claim
72 words
The condenser of claim 1 wherein said sleeve and said inner surface of said body are cylindrical, and wherein said sleeve includes inlet means opposite said connecting means and extends into the hollow of said body, whereby said cooling liquid can flow through said sleeve in a first direction from said inlet means towards said connecting means, and then in a second direction through said space, whereby said inner surface is cooled.
Claim 4
Dependent Claim
24 words
The condenser of claim 1 wherein said sleeve is located outside said body and surrounds said external armature, whereby said external armature is cooled.
Claim 5
Dependent Claim
36 words
The condenser of claim 1 wherein said at least one static device comprises a helicoidal ramp attached to said sleeve and wherein said sleeve has an outer diameter less than the diameter of said inner surface.
Claim 6
Dependent Claim
40 words
The condenser of claim 1 wherein said at least one static device comprises a cylinder adjacent said sleeve and including an exterior helicoidal pattern of fins extending into said space and adapted to induce the stirring of said cooling liquid.
Claim 7
Dependent Claim
41 words
The condenser of claim 1 wherein said at least one static device comprises a cylinder adjacent said inner surface and including an interior helicoidal pattern of fins extending into said space and adapted to induce the stirring of said liquid coolant.
Claim 8
Dependent Claim
18 words
The condenser of claim 1, wherein said at least one static device comprises a grating in said space.
Claim 9
Dependent Claim
39 words
The condenser of claims 1 or 2 or 3 or 4 or 5 wherein the electrical contact points for said internal armature are provided by a plurality of rings covered with the material of which said armature is composed.
Claim 10
Dependent Claim
28 words
The condenser of claims 1 or 2 or 3 or 4 or 5 wherein said cooling liquid within said sleeve comprises a thermal ballast for said condenser body.
Claim 11
Dependent Claim
18 words
The condenser of claim 8 wherein said sleeve is ellectrically connected to said internal armature via said rings.
Claim 12
Dependent Claim
27 words
The condenser of claim 1 including at least one sealing flange for closing off at least one end of said space, said flange including air bleeding means.
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) | 1985-02-08 | 1985-08-10 | 1986-02-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1989-02-08 | 1989-08-10 | 1990-02-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1993-02-08 | 1993-08-10 | 1994-02-09 | $7700.00 | Window Closed / Lapsed |