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US3090880A Expired / Lapsed US ⏱️ 0.0 years remaining

Electrical rotating machines

Assignee: Printed Motors Inc
•
Filing: 1957-10-21
•
Granted: 1963-05-21
•
Expires: 1977-10-21
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Abstract

No abstract record available.

Inventors

  • 👤 Raymond Francois Henri

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-23 19:24
CPC Classifications
H; H02; H02K; H02K3/00; H02K3/04; H02K3/26

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 202 words
IN A MULTIPOLAR ROTATING ELECTRIC MACHINE, THE COMBINATION OF A DISK-SHAPED ROTOR STRUCTURE HAVING A FLAT ANNULAR SURFACE ON ONE FACE THEREOF CONCENTRIC WITH THE AXIS OF THE ROTOR, A DISK-SHAPED STATOR STRUCTURE ARRANGED ON A COMMON AXIS WITH SAID ROTOR STRUCTURE AND HAVING A CONTINUOUS SINGLE-PLANE ANNULAR SURFACE FACING THE FLAT ANNULAR SURFACE OF SAID ROTOR STRUCTURE, SAID ANNULAR SURFACES BEING SPACED APART TO PROVIDE A PLANAR AIR-GAP BETWEEN SAID STRUCTURES, AN ELECTIRC WINDING MOUNTED ON SAID SINGLE-PLANE SURFACE AND COMPRISING A PLURALITY OF FLAT CONDUCTORS INTIMATELY SECURED TO SAID SINGLE-PLANE SURFACE AND BEING ANGULARLY SPACED ABOUT SAID COMMON AXIS THROUGHOUT THE EXTENT OF SAID SINGLE-PLANE ANNULAR SURFACE, A DEPOSIT OF ELECTRICALLY INSULATING MAGNETIC FILLER MATERIAL BONDED TO THE SUPPORTING SURFACE OF SAID WINDING AND FILLING THE GAPS BETWEEN SAID CONDUCTORS TO A DEPTH FLUSH WITH THE OUTER FACES OF SAID FLAT CONDUCTORS, SAID CONDUCTORS BEING CONNECTED TOGETHER IN A CLOSED WINDING TO FORM AN EVEN NUMBER OF MAGNETIC POLES SPACED APART AROUND SAID SINGLE-PLANE ANNULAR SURFACE, ALTERNATE POLES BEING OF OPPOSITE SIDE OF SAID AIR-GAP FROM MEANS LOCATED ON THE OPPOSITE SIDE OF SAID AIR -GAP FROM SAID WINDING FOR CLOSING THE MAGNETIC FIELDS OF SAID POLES THROUGH SAID AIR-GAP.
Claim 2
Dependent Claim 202 words
IN A MULTIPOLAR ROTATING ELECTRIC MACHINE, THE COMBINATION OF A DISK-SHAPED ROTOR STRUCTURE HAVING A FLAT ANNULAR SURFACE ON ONE FACE THEREOF CONCENTRIC WITH THE AXIS OF THE ROTOR, A DISK-SHAPED STATOR STRUCTURE ARRANGED ON A COMMON AXIS WITH SAID ROTOR STRUCTURE AND HAVING A CONTINUOUS SINGLE-PLANE ANNULAR SURFACE FACING THE FLAT ANNULAR SURFACE OF SAID ROTOR STRUCTURE, SAID ANNULAR SURFACES BEING SPACED APART TO PROVIDE A PLANAR AIR-GAP BETWEEN SAID STRUCTURES, AN ELECTIRC WINDING MOUNTED ON SAID SINGLE-PLANE SURFACE AND COMPRISING A PLURALITY OF FLAT CONDUCTORS INTIMATELY SECURED TO SAID SINGLE-PLANE SURFACE AND BEING ANGULARLY SPACED ABOUT SAID COMMON AXIS THROUGHOUT THE EXTENT OF SAID SINGLE-PLANE ANNULAR SURFACE, A DEPOSIT OF ELECTRICALLY INSULATING MAGNETIC FILLER MATERIAL BONDED TO THE SUPPORTING SURFACE OF SAID WINDING AND FILLING THE GAPS BETWEEN SAID CONDUCTORS TO A DEPTH FLUSH WITH THE OUTER FACES OF SAID FLAT CONDUCTORS, SAID CONDUCTORS BEING CONNECTED TOGETHER IN A CLOSED WINDING TO FORM AN EVEN NUMBER OF MAGNETIC POLES SPACED APART AROUND SAID SINGLE-PLANE ANNULAR SURFACE, ALTERNATE POLES BEING OF OPPOSITE SIDE OF SAID AIR-GAP FROM MEANS LOCATED ON THE OPPOSITE SIDE OF SAID AIR -GAP FROM SAID WINDING FOR CLOSING THE MAGNETIC FIELDS OF SAID POLES THROUGH SAID AIR-GAP.

References Cited (Backward Citations)

US286247A Cited
US290199A Cited
US295534A Cited
US333174A Cited
US570914A Cited
US2734140A Cited
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US685313A Cited
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USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1966-05-20 1966-11-19 1967-05-21 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1970-05-20 1970-11-19 1971-05-21 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1974-05-20 1974-11-19 1975-05-21 $7700.00 Window Closed / Lapsed

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