US4082971A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Printed motor
Assignee: Marelli Corp
•
Filing: 1977-02-10
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Granted: 1978-04-04
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Expires: 1997-02-10
Abstract
Abstract A printed motor making use of rotors fitted with two sheets of disk-shaped armatures at right angle to a rotary shaft of the motor, wherein a metallic intermediate ring is inserted between said armatures to improve heat radiation performance of the armatures, thus to provide a small sized motor having large output.
Inventors
- 👤 Shiuichi Miyake
- 👤 Takao Saito
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:03
CPC Classifications
H; H02; H02K; H02K23/00; H02K23/54; H02K9/00; H02K9/22; H02K9/223
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
82 words
A printed motor, comprising two sheets of disk-shaped armatures (2, 3) mounted on a rotary shaft (1), which is borne by casing pieces (4a, 4b) provided with yokes (11a, 11b) on the sides confronting to the armatures (2, 3), a metallic intermediate ring (5) having a plate-shaped portion (5a) provided with yokes (12a, 12b) on both sides thereof and inserted between the armatures (2, 3), said intermediate ring (5) being connected between the casing pieces (4a, 4b) to form a casing (6).
Claim 2
Dependent Claim
82 words
A printed motor, comprising two sheets of disk-shaped armatures (2, 3) mounted on a rotary shaft (1), which is borne by casing pieces (4a, 4b) provided with yokes (11a, 11b) on the sides confronting to the armatures (2, 3), a metallic intermediate ring (5) having a plate-shaped portion (5a) provided with yokes (12a, 12b) on both sides thereof and inserted between the armatures (2, 3), said intermediate ring (5) being connected between the casing pieces (4a, 4b) to form a casing (6).
References Cited (Backward Citations)
US3101425A
Cited
US3230406A
Cited
US3169204A
Cited
US3172028A
Cited
US3312846A
Cited
US3418506A
Cited
US3498569A
Cited
US3539817A
Cited
US3999092A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1981-04-03 | 1981-10-03 | 1982-04-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1985-04-03 | 1985-10-03 | 1986-04-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1989-04-03 | 1989-10-03 | 1990-04-04 | $7700.00 | Window Closed / Lapsed |