US3356877A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electromechanical energy converter of the double air gap type
Assignee: Circuit Research Corp
•
Filing: 1966-02-16
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Granted: 1967-12-05
•
Expires: 1986-02-16
Abstract
No abstract record available.
Inventors
- 👤 Robert P Burr
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 02:13
CPC Classifications
H; H02; H02K; H02K23/00; H02K23/56
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
107 words
AN ELECTROMECHANICAL ENERGY CONVERTER COMPRISING: A SUPPORT; MEANS MOUNTED ON SAID SUPPORT FOR DEVELOPING A MAGNETIC FIELD; ROTATABLE HOLLOW ARMATURE MEANS DISPOSED IN SAID MAGNETIC FIELD AND COMPRISNG AN ANNULAR SHELL HAVING A WINDING IN THE FORM OF A THIN LAYER IN THE RANGE OF FROM ONE TO FOUR CONDUCTORS THICK, SAID WINDING HAVING TURNS DISTRIBUTED SUBSTANTIALLY UNIFORMLY OVER SAID ENTIRE ANNULAR SHELL, SAID ARMATURE MEANS INCLUDING A SHAFT POSITIONED ON THE AXIS OF SAID ANNULAR SHELL AND MEANS SUPPORTING SAID SHELL AT EACH AXIAL END THEREOF AND FIXING SAID SHELL TO SAID SHAFT; SAID FIELD DEVELOPING MEANS INCLUDING A LOW RELUCTANCE CORE MOUNTED WITHIN SAID AN-
Claim 2
Dependent Claim
107 words
AN ELECTROMECHANICAL ENERGY CONVERTER COMPRISING: A SUPPORT; MEANS MOUNTED ON SAID SUPPORT FOR DEVELOPING A MAGNETIC FIELD; ROTATABLE HOLLOW ARMATURE MEANS DISPOSED IN SAID MAGNETIC FIELD AND COMPRISNG AN ANNULAR SHELL HAVING A WINDING IN THE FORM OF A THIN LAYER IN THE RANGE OF FROM ONE TO FOUR CONDUCTORS THICK, SAID WINDING HAVING TURNS DISTRIBUTED SUBSTANTIALLY UNIFORMLY OVER SAID ENTIRE ANNULAR SHELL, SAID ARMATURE MEANS INCLUDING A SHAFT POSITIONED ON THE AXIS OF SAID ANNULAR SHELL AND MEANS SUPPORTING SAID SHELL AT EACH AXIAL END THEREOF AND FIXING SAID SHELL TO SAID SHAFT; SAID FIELD DEVELOPING MEANS INCLUDING A LOW RELUCTANCE CORE MOUNTED WITHIN SAID AN-
References Cited (Backward Citations)
US440016A
Cited
US1813394A
Cited
GB619481A
Cited
GB635624A
Cited
US2860267A
Cited
DE1151065B
Cited
FR1341582A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-12-04 | 1971-06-05 | 1971-12-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-12-04 | 1975-06-05 | 1975-12-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-12-04 | 1979-06-05 | 1979-12-05 | $7700.00 | Window Closed / Lapsed |