US4857787A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Armature of a.c. generator for a car and method of manufacturing the same
Assignee: Mitsubishi Electric Corp
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Filing: 1987-11-23
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Granted: 1989-08-15
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Expires: 2007-11-23
Abstract
Abstract An armature of an a.c. generator for a car comprising a stator core provided with a number of slots and stator coils fitted in the slots wherein about a half in number of coil elements of each radially extending portion of the stator coils received in the slots is received in the other slots.
Inventors
- 👤 Ryoichi Taji
- 👤 Hideo Imori
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 13:28
CPC Classifications
H; H02; H02K; H02K15/00; H02K15/06; H02K15/062; H02K15/065; H02K15/066; H02K15/04; H02K15/044; H02K15/047; H02K15/048; H02K15/0485; H02K3/00; H02K3/04; H02K3/28; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49002; Y10T29/49009
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
107 words
An armature of an A.C. generator for an automobile comprising: a stator core having a plurality of slots; at least one stator coil fitted in said slots; said coil being a single coil with a first portion wound in one direction and a second portion wound in the opposite direction, said first and second portions being electrically connected in series, said first and second portions being overlaid, with the radially extending part of said first and second portions being fitted together into the same slots and with the coil ends of said first and second portions being on opposite sides of said stator core from each other.
Claim 2
Dependent Claim
107 words
An armature of an A.C. generator for an automobile comprising: a stator core having a plurality of slots; at least one stator coil fitted in said slots; said coil being a single coil with a first portion wound in one direction and a second portion wound in the opposite direction, said first and second portions being electrically connected in series, said first and second portions being overlaid, with the radially extending part of said first and second portions being fitted together into the same slots and with the coil ends of said first and second portions being on opposite sides of said stator core from each other.
Claim 3
Dependent Claim
142 words
An armature of an A.C. generator for an automobile, comprising: a stator core having a plurality of slots; at least one stator coil fitted in said slots, said coil being a single coil with a first portion and a second portion, said portions being electrically connected in series; said first portion being wound in one direction; said second being portion wound in the opposite direction; each portion being formed into a plurality of first coil ends, a plurality of second coil ends and a plurality of radially extending parts, said radially extending parts joining the ends of said first and second coil ends; said first and second portions being overlaid, with the first coil ends of one of said portions being opposed to the second coil ends of the other of said portions having radially extending parts of both portions extending together.
Claim 4
Dependent Claim
142 words
An armature of an A.C. generator for an automobile, comprising: a stator core having a plurality of slots; at least one stator coil fitted in said slots, said coil being a single coil with a first portion and a second portion, said portions being electrically connected in series; said first portion being wound in one direction; said second being portion wound in the opposite direction; each portion being formed into a plurality of first coil ends, a plurality of second coil ends and a plurality of radially extending parts, said radially extending parts joining the ends of said first and second coil ends; said first and second portions being overlaid, with the first coil ends of one of said portions being opposed to the second coil ends of the other of said portions having radially extending parts of both portions extending together.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1992-08-14 | 1993-02-13 | 1993-08-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1996-08-14 | 1997-02-13 | 1997-08-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2000-08-14 | 2001-02-13 | 2001-08-15 | $7700.00 | Window Closed / Lapsed |