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Patent US5021925A successfully refreshed from Google Patents.
US5021925A
Expired / Lapsed
US
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Electrical isolator device
Assignee: Atlantic Guest Inc
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Filing: 1990-03-20
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Granted: 1991-06-04
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Expires: 2010-03-20
Abstract
Abstract An electrical isolator device which comprises at least one heat sink (steel plate), and a non-conductive housing which partially encases the heat sink, such that at least one surface of the heat sink is in contact with the non-conductive housing; whereby the surfaces of the heat sink which are not in contact with the non-conductive housing are exposed to the atmosphere to allow dissipation of heat therefrom.
Inventors
- 👤 Thomas F. Soboleski
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 21:08
CPC Classifications
H; H10; H10W; H10W40/00; H10W40/60; H10W40/611; H10W40/20; H10W40/231; H10W40/235
Claims Analysis
Total Claims: 14
Claim 1
Independent Claim
111 words
An electrical isolator device comprising: at least one heat sink; at least one metal stud, wherein said metal stud is disposed on a surface of said heat sink; at least two diodes, wherein said diodes are disposed on a surface of said heat sink; and a non-conductive housing which partially encases the diodes, metal stud and heat sink, such that at least the surface of said heat sink on which the diodes and metal stud are disposed is in contact with san nonconductive housing; whereby the surfaces of said heat sink which are not in contact with said non-conductive housing are exposed to the atmosphere to allow dissipation of heat therefrom.
Claim 2
Dependent Claim
111 words
An electrical isolator device comprising: at least one heat sink; at least one metal stud, wherein said metal stud is disposed on a surface of said heat sink; at least two diodes, wherein said diodes are disposed on a surface of said heat sink; and a non-conductive housing which partially encases the diodes, metal stud and heat sink, such that at least the surface of said heat sink on which the diodes and metal stud are disposed is in contact with san nonconductive housing; whereby the surfaces of said heat sink which are not in contact with said non-conductive housing are exposed to the atmosphere to allow dissipation of heat therefrom.
Claim 3
Dependent Claim
16 words
The electrical isolator device according to claim 1, wherein said heat sink is a steel plate.
Claim 4
Dependent Claim
16 words
The electrical isolator device according to claim 2, wherein said steel plate is plated with nickel.
Claim 5
Dependent Claim
21 words
The electrical isolator device according to claim 1, wherein said diodes are press fit into a surface of said heat sink.
Claim 6
Dependent Claim
21 words
The electrical isolator device according to claim 1, wherein said metal stud is screwed into a surface of said heat sink.
Claim 7
Dependent Claim
18 words
The electrical isolator device according to claim 1, wherein said non-conductive housing is formed by thermoplastic injection molding.
Claim 8
Dependent Claim
20 words
The electrical isolator device according to claim 1, wherein said non-conductive housing is formed from a liquid crystal polymer material.
Claim 9
Dependent Claim
19 words
The electrical isolator device according to claim 1, wherein said non-conductive housing is formed from a polyphenylene sulfide material.
Claim 10
Dependent Claim
18 words
The electrical isolator device according to claim 8, wherein said polyphenylene sulfide material includes glass and/or mineral additives.
Claim 11
Dependent Claim
35 words
The electrical isolator device according to claim 1, wherein said metal stud is adapted to be electrically connected to an engine alternator and each diode is adapted to be electrically connected to a separate battery.
Claim 12
Dependent Claim
18 words
The electrical isolator device according to claim 1, wherein said electrical isolator device includes a second heat sink.
Claim 13
Dependent Claim
22 words
The electrical isolator device according to claim 11, wherein each said heat sink includes two diodes and a metal stud disposed thereon.
Claim 14
Dependent Claim
22 words
The electrical isolator device according to claim 11, wherein each said heat sink includes three diodes and a metal stud disposed thereon.
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) | 1994-06-03 | 1994-12-03 | 1995-06-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1998-06-03 | 1998-12-03 | 1999-06-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2002-06-03 | 2002-12-03 | 2003-06-04 | $7700.00 | Window Closed / Lapsed |