US4489374A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rectifying apparatus for automotive A.C. generator
Assignee: Mitsubishi Electric Corp
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Filing: 1982-09-14
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Granted: 1984-12-18
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Expires: 2002-09-14
Abstract
Abstract A rectifying apparatus for an automotive A.C. generator which is used for converting an A.C. output of the generator into a direct current, and which includes a plurality of rectifiers, each having a semiconductor chip and a capacitor connected in parallel therewith, thereby forming a parallel connection, and having a protecting sealer for insulating and sealing the parallel connection.
Inventors
- 👤 Yasuhiro Yoshida
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 22:35
CPC Classifications
H; H10; H10W; H10W44/00; H10W44/601; H02; H02K; H02K11/00; H02K11/04; H02K11/049; H02K11/05; H02M; H02M7/00; H02M7/02; H02M7/04; H02M7/06; H10W90/00
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
212 words
A rectifying apparatus for an automotive A.C. generator comprising: at least one rectifying device for converting an A.C. output of said generator into a direct current, each of said at least one rectifying device having a plurality of rectifiers, each of said plurality of rectifiers having a semiconductor chip and a capacitor connected in parallel therewith, thereby forming a parallel connection, and having a protecting sealer for insulating and sealing the parallel connection; wherein said semiconductor chip and capacitor of each of said plurality of rectifiers are connected in parallel with each other between an external connection terminal and a heat sink, thereby forming a parallel connection; and wherein said capacitor of each of said plurality of recitifiers is formed in a ring shape, and said heat sink is formed with a projection at a center on a bottom thereof, and wherein said semiconductor chip has one end connected to said projection of said heat sink, and said capacitor has one end connected to a periphery of said bottom of said heat sink, and wherein said semiconductor chip and said capacitor each have other ends which are connected to said external connection terminal, and said semiconductor chip and said capacitor are connected in parallel with each other, thereby forming a parallel connection.
Claim 2
Dependent Claim
212 words
A rectifying apparatus for an automotive A.C. generator comprising: at least one rectifying device for converting an A.C. output of said generator into a direct current, each of said at least one rectifying device having a plurality of rectifiers, each of said plurality of rectifiers having a semiconductor chip and a capacitor connected in parallel therewith, thereby forming a parallel connection, and having a protecting sealer for insulating and sealing the parallel connection; wherein said semiconductor chip and capacitor of each of said plurality of rectifiers are connected in parallel with each other between an external connection terminal and a heat sink, thereby forming a parallel connection; and wherein said capacitor of each of said plurality of recitifiers is formed in a ring shape, and said heat sink is formed with a projection at a center on a bottom thereof, and wherein said semiconductor chip has one end connected to said projection of said heat sink, and said capacitor has one end connected to a periphery of said bottom of said heat sink, and wherein said semiconductor chip and said capacitor each have other ends which are connected to said external connection terminal, and said semiconductor chip and said capacitor are connected in parallel with each other, thereby forming a parallel connection.
Claim 3
Dependent Claim
214 words
A rectifying apparatus for an automotive A.C. generator comprising: at least one rectifying device for converting an A.C. output of said generator into a direct current, each of said at least one rectifying device having a plurality of rectifiers, each of said plurality of rectifiers having a semiconductor chip and a capacitor connected in parallel therewith, thereby forming a parallel connection, and having a protecting scaler for insulating and sealing the parallel connection; wherein said semiconductor chip and capacitor of each of said plurality of rectifiers are connected in parallel with each other between an external connection terminal and a heat sink, thereby forming a parallel connection; and wherein said capacitor of each of said plurality of rectifiers is formed in a box shape, and said heat sink is formed planarly, and said external connection terminal is formed with a bent part at a center thereof, and wherein said semiconductor chip is provided at said bent part of said terminal, and said capacitor is provided at a part of said external connection terminal other than said bent part, and said semiconductor chip and said capacitor have ends which are connected to said heat sink, and wherein said semiconductor chip and said capacitor are connected in parallel with each other, thereby forming a parallel connection.
Claim 4
Dependent Claim
214 words
A rectifying apparatus for an automotive A.C. generator comprising: at least one rectifying device for converting an A.C. output of said generator into a direct current, each of said at least one rectifying device having a plurality of rectifiers, each of said plurality of rectifiers having a semiconductor chip and a capacitor connected in parallel therewith, thereby forming a parallel connection, and having a protecting scaler for insulating and sealing the parallel connection; wherein said semiconductor chip and capacitor of each of said plurality of rectifiers are connected in parallel with each other between an external connection terminal and a heat sink, thereby forming a parallel connection; and wherein said capacitor of each of said plurality of rectifiers is formed in a box shape, and said heat sink is formed planarly, and said external connection terminal is formed with a bent part at a center thereof, and wherein said semiconductor chip is provided at said bent part of said terminal, and said capacitor is provided at a part of said external connection terminal other than said bent part, and said semiconductor chip and said capacitor have ends which are connected to said heat sink, and wherein said semiconductor chip and said capacitor are connected in parallel with each other, thereby forming a parallel connection.
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) | 1987-12-18 | 1988-06-18 | 1988-12-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1991-12-18 | 1992-06-18 | 1992-12-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1995-12-18 | 1996-06-18 | 1996-12-18 | $7700.00 | Window Closed / Lapsed |