US3237036A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Commutating dynamo-electric machine
Assignee: Sulzer AG
•
Filing: 1963-04-04
•
Granted: 1966-02-22
•
Expires: 1983-04-04
Abstract
No abstract record available.
Inventors
- 👤 Konig Ferdinand
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 22:59
CPC Classifications
H; H02; H02K; H02K23/00; H02K23/56
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
113 words
A COMMUTATING DYNAMO-ELECTRIC MACHINE COMPRISING TWO STATOR MEMBERS HAVING AN AIR GAP THEREBETWEEN, A ROTOR SUPPORTED FOR ROTATION IN SAID AIR GAP, SAID STATOR MEMBER BEING SHAPED TO VARY THE SPACING THEREOF ACROSS SAID AIR GAP CIRCUMFERENTIALLY OF THE ASIX OF ROTATION OF SAID ROTOR, A PLURALITY OF ELECTRIC CONDUCTORS IN SAID ROTOR, A PLURALITY OF MAGNETIC CONDUCTORS IN SAID ROTOR, COMMUTATOR SEGMENTS IN SAID ROTOR CONNECTED TO SAID ELECTRIC CONDUCTORS, AND BRUSHES SUPPORTED IN SAID STATOR FOR ENGAGEMENT WITH SAID SEGMENTS, SAID BRUSHES BEING DISPOSED TO ENGAGE SEGMENTS WHOSE ELECTRICALLY ADJACENT ELECTRIC CONDUCTORS ARE DISPOSED AT LOCATIONS CIRCUMFERENTIAL TO THE ROTOR AXIS WHERE SAID AIR GAP IS OF GREATER THAN MINIMUM WIDTH.
Claim 2
Dependent Claim
113 words
A COMMUTATING DYNAMO-ELECTRIC MACHINE COMPRISING TWO STATOR MEMBERS HAVING AN AIR GAP THEREBETWEEN, A ROTOR SUPPORTED FOR ROTATION IN SAID AIR GAP, SAID STATOR MEMBER BEING SHAPED TO VARY THE SPACING THEREOF ACROSS SAID AIR GAP CIRCUMFERENTIALLY OF THE ASIX OF ROTATION OF SAID ROTOR, A PLURALITY OF ELECTRIC CONDUCTORS IN SAID ROTOR, A PLURALITY OF MAGNETIC CONDUCTORS IN SAID ROTOR, COMMUTATOR SEGMENTS IN SAID ROTOR CONNECTED TO SAID ELECTRIC CONDUCTORS, AND BRUSHES SUPPORTED IN SAID STATOR FOR ENGAGEMENT WITH SAID SEGMENTS, SAID BRUSHES BEING DISPOSED TO ENGAGE SEGMENTS WHOSE ELECTRICALLY ADJACENT ELECTRIC CONDUCTORS ARE DISPOSED AT LOCATIONS CIRCUMFERENTIAL TO THE ROTOR AXIS WHERE SAID AIR GAP IS OF GREATER THAN MINIMUM WIDTH.
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) | 1969-02-21 | 1969-08-23 | 1970-02-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-02-21 | 1973-08-23 | 1974-02-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-02-21 | 1977-08-23 | 1978-02-22 | $7700.00 | Window Closed / Lapsed |