US3233130A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sealed brush chamber for an alternator
Assignee: Ford Motor Co
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Filing: 1963-06-28
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Granted: 1966-02-01
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Expires: 1983-06-28
Abstract
No abstract record available.
Inventors
- 👤 Charles E Bates
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 17:14
CPC Classifications
H; H02; H02K; H02K5/00; H02K5/04; H02K5/14; H02K5/141
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
110 words
IN A DYNAMOELECTRIC MACHINE, A STATOR, A ROTOR INCLUDING A SHAFT ROTATABLY MOUNTED WITHIN SAID STATOR, AN ELECTRICAL WINDING MOUNTED UPON SAID SHAFT, A CURRENT COLLECTOR MEMBER CARRIED BY SAID SHAFT POSITIONED ADJACENT ONE END OF SAID ROTOR, SAID CURRENT COLLECTOR MEMBER BEING CONNECTED TO SAID ELECTRICAL WINDING, SAID STATOR HAVING A CYLINDRICAL END BELL ENCLOSING SAID CURRENT COLLECTOR MEMBER AND FORMING A ROTARY SEAL WITH SAID ROTOR, A BRUSH HOLDER FORMING A PORTION OF SAID CYLINDRICAL END BELL AND HAVING AN ARCUATE SEGMENT FORMING A PORTION OF SAID ROTARY SEAL, AN ELECTRICAL CONTACT BRUSH, SAID BRUSH HOLDER SUPPORTING SAID ELECTRICAL CONTACT BRUSH IN ENGAGEMENT WITH SAID CURRENT COLLECTOR MEMBER.
Claim 2
Dependent Claim
110 words
IN A DYNAMOELECTRIC MACHINE, A STATOR, A ROTOR INCLUDING A SHAFT ROTATABLY MOUNTED WITHIN SAID STATOR, AN ELECTRICAL WINDING MOUNTED UPON SAID SHAFT, A CURRENT COLLECTOR MEMBER CARRIED BY SAID SHAFT POSITIONED ADJACENT ONE END OF SAID ROTOR, SAID CURRENT COLLECTOR MEMBER BEING CONNECTED TO SAID ELECTRICAL WINDING, SAID STATOR HAVING A CYLINDRICAL END BELL ENCLOSING SAID CURRENT COLLECTOR MEMBER AND FORMING A ROTARY SEAL WITH SAID ROTOR, A BRUSH HOLDER FORMING A PORTION OF SAID CYLINDRICAL END BELL AND HAVING AN ARCUATE SEGMENT FORMING A PORTION OF SAID ROTARY SEAL, AN ELECTRICAL CONTACT BRUSH, SAID BRUSH HOLDER SUPPORTING SAID ELECTRICAL CONTACT BRUSH IN ENGAGEMENT WITH SAID CURRENT COLLECTOR MEMBER.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-01-31 | 1969-08-02 | 1970-02-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-01-31 | 1973-08-02 | 1974-02-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-01-31 | 1977-08-02 | 1978-02-01 | $7700.00 | Window Closed / Lapsed |