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US3624439A Expired / Lapsed US ⏱️ 0.0 years remaining

Electromechanical energy converter with low-inertia specially wound coil

Assignee: Individual
•
Filing: 1970-07-13
•
Granted: 1971-11-30
•
Expires: 1990-07-13
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Abstract

Abstract An electromechanical energy converter with low-inertia, coreless, nonmagnetic coils rotating in fields of high-magnetic flux provided by pairs of magnetic rows having connected like poles facing connected unlike poles provides increased output energy for a given input energy.

Inventors

  • 👤 Kiyoshi Tokutomi

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-02 16:09
CPC Classifications
H; H02; H02K; H02K21/00; H02K21/26; H02K1/00; H02K1/06; H02K1/12; H02K1/17

Claims Analysis

Total Claims: 20
Claim 1
Independent Claim 173 words
An electromechanical energy converter comprising: a pair of spaced magnetic rows, each row comprising a plurality of magnetic poles of like and unlike polarity with like poles connected in one row and facing connected unlike poles in the other row; an electrically conductive coil interposed between the spaced magnetic rows, the coil comprising a pluRality of smaller coils, each smaller coil being of a width corresponding to and substantially the same as the length of two connected magnets in a row, each smaller coil comprising a plurality of loops, oriented so that the innermost winding of a smaller coil overlaps connected like poles of two magnets in a row and the outermost winding of the same smaller coil overlaps the remaining two unlike poles of the same magnets, each smaller coil having a pair of output terminals; a rotatable shaft extending through the magnetic rows, the conductive coil fastened to the shaft; a pair of spaced collector rings located on the shaft away from the magnetic rows and electrically coupled to the coil.
Claim 2
Dependent Claim 173 words
An electromechanical energy converter comprising: a pair of spaced magnetic rows, each row comprising a plurality of magnetic poles of like and unlike polarity with like poles connected in one row and facing connected unlike poles in the other row; an electrically conductive coil interposed between the spaced magnetic rows, the coil comprising a pluRality of smaller coils, each smaller coil being of a width corresponding to and substantially the same as the length of two connected magnets in a row, each smaller coil comprising a plurality of loops, oriented so that the innermost winding of a smaller coil overlaps connected like poles of two magnets in a row and the outermost winding of the same smaller coil overlaps the remaining two unlike poles of the same magnets, each smaller coil having a pair of output terminals; a rotatable shaft extending through the magnetic rows, the conductive coil fastened to the shaft; a pair of spaced collector rings located on the shaft away from the magnetic rows and electrically coupled to the coil.
Claim 3
Dependent Claim 13 words
The converter of claim 1 wherein the smaller coils are connected in parallel.
Claim 4
Dependent Claim 13 words
The converter of claim 1 wherein the smaller coils are connected in series.
Claim 5
Dependent Claim 20 words
The converter of claim 1 further defined by a small iron core located at the center of each smaller coil.
Claim 6
Dependent Claim 59 words
A coil for an electromechanical energy converter comprising a plurality of windings of electrically conductive material that extend in a spiral-like manner from a relatively narrow inner winding to a relatively wide outer winding, with each intermediate winding between the innermost winding and the outermost winding wider than an adjacent inner winding and narrower than an adjacent outer winding.
Claim 7
Dependent Claim 59 words
A coil for an electromechanical energy converter comprising a plurality of windings of electrically conductive material that extend in a spiral-like manner from a relatively narrow inner winding to a relatively wide outer winding, with each intermediate winding between the innermost winding and the outermost winding wider than an adjacent inner winding and narrower than an adjacent outer winding.
Claim 8
Dependent Claim 27 words
The coil of claim 5 further defined by a pair of output terminals, one winding coupled to one terminal, and another winding coupled to the other terminal.
Claim 9
Dependent Claim 29 words
The coil of claim 6 wherein one output terminal is coupled to the innermost winding of the coil, and the other output terminal is coupled to the outermost winding.
Claim 10
Dependent Claim 21 words
The coil of claim 7 wherein the windings thereof extends in a clockwise direction from the innermost to the outermost winding.
Claim 11
Dependent Claim 21 words
The coil of claim 5 wherein the windings thereof extend in a counterclockwise direction from the innermost to the outermost winding.
Claim 12
Dependent Claim 19 words
Apparatus comprising a plurality of the coils of claim 5 located adjacent to one another in a circular pattern.
Claim 13
Dependent Claim 14 words
Apparatus of claim 10 wherein the plurality of coils are electrically coupled in parallel.
Claim 14
Dependent Claim 14 words
Apparatus of claim 1 wherein the plurality of coils are electrically coupled in series.
Claim 15
Dependent Claim 11 words
Apparatus of claim 10 rotatably mounted in an electromechanical energy converter.
Claim 16
Dependent Claim 23 words
Apparatus of claim 10 rotatably mounted between a pair of spaced magnetic rows, each row comprising a plurality of like and unlike poles.
Claim 17
Dependent Claim 26 words
Apparatus of claim 14 further defined by a rotatable shaft extending through the pair of magnetic rows with the plurality of coils fastened to the shaft.
Claim 18
Dependent Claim 30 words
Apparatus of claim 15 further defined by a pair of spaced collector rings located on the shaft away from the magnetic rows, the rings coupled to the plurality of coils.
Claim 19
Dependent Claim 35 words
Apparatus of claim 16, wherein each coil of the plurality is of a width corresponding to and substantially the same as the length between three adjacent magnetic poles of alternating polarity in a magnetic row.
Claim 20
Dependent Claim 46 words
Apparatus of claim 17 wherein the innermost winding of each coil overlaps a magnetic pole of one polarity and the outermost winding thereof overlaps one-half of two spaced magnetic poles of opposite polarity adjacent to but spaced apart from the magnetic pole of the one polarity.

References Cited (Backward Citations)

US1101384A Cited
US1648564A Cited
US2060259A Cited
US2230878A Cited
US2722617A Cited
GB773545A Cited
US2830207A Cited
US2989654A Cited
US3426226A 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) 1974-11-29 1975-05-31 1975-11-30 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1978-11-29 1979-05-31 1979-11-30 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1982-11-29 1983-05-31 1983-11-30 $7700.00 Window Closed / Lapsed

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