US4074161A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pole assembly of a dynamoelectric machine
Assignee: Individual
•
Filing: 1976-03-18
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Granted: 1978-02-14
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Expires: 1996-03-18
Abstract
Abstract A pole assembly for a dynamoelectric machine comprising an induction coil received about a core, abutment strips connected to the core and arranged adjacent to at least one bearing surface of the induction coil, tightening bolts with internal sockets for tightening the same, which are screwed into threaded openings, there being at least one such threaded opening in each one of the strips, the bolts abutting against the bearing surface of the induction coil.
Inventors
- 👤 Vasily M. Minichev
- 👤 Evgeny M. Simis
- 👤 Vladimir K. Judin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 17:53
CPC Classifications
H; H02; H02K; H02K3/00; H02K3/46; H02K3/52; H02K3/521; H02K3/522; H02K2203/00; H02K2203/12
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
87 words
A pole assembly of a dynamoelectric machine, comprising: a core having slots and a shoulder; an induction coil received about said core, the coil having a first and a second bearing surface, the second bearing surface abutting against said shoulder of said core; abutment strips inserted in said slots, said strips having threaded openings; lock washers retaining said abutment strips in the respective slots; and tightening bolts threadedly received in said threaded openings, said bolts having their ends abutting against said first bearing surface of said coil.
Claim 2
Dependent Claim
87 words
A pole assembly of a dynamoelectric machine, comprising: a core having slots and a shoulder; an induction coil received about said core, the coil having a first and a second bearing surface, the second bearing surface abutting against said shoulder of said core; abutment strips inserted in said slots, said strips having threaded openings; lock washers retaining said abutment strips in the respective slots; and tightening bolts threadedly received in said threaded openings, said bolts having their ends abutting against said first bearing surface of said coil.
Claim 3
Dependent Claim
29 words
A pole assembly of a dynamoelectric machine according to claim 1, further comprising: insulation gaskets positioned to insulate said induction coil from said core and from said tightening bolts.
Claim 4
Dependent Claim
38 words
A pole assembly of a dynamoelectric machine according to claim 1, wherein said tightening bolts have sockets made in their ends which do not abut against said first bearing surface of said coil, for accommodating a socket wrench.
Claim 5
Dependent Claim
25 words
A pole assembly of a dynamoelectric machine according to claim 1, wherein said slots are inclined with respect to a horizontal axis of said core.
Claim 6
Dependent Claim
22 words
A pole assembly of a dynamoelectric machine according to claim 1, wherein the threads of the tightening bolts are offset by swaging.
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) | 1981-02-13 | 1981-08-15 | 1982-02-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1985-02-13 | 1985-08-15 | 1986-02-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1989-02-13 | 1989-08-15 | 1990-02-14 | $7700.00 | Window Closed / Lapsed |