US4007416A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Voltage regulating transformer
Assignee: Individual
•
Filing: 1975-08-06
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Granted: 1977-02-08
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Expires: 1995-08-06
Abstract
Abstract A voltage regulating transformer is disclosed which includes a magnetic core and a primary winding connectable to an alternating current source for inducing an alternating magnetic flux in the magnetic core. The secondary winding comprises a plurality of paired sectioned windings responsive to the magnetic flux in the magnetic core. Each pair of the plurality of paired sectioned windings has a first and a second foil with a dielectric interposed between the first and the second foils thus creating a plurality of capacitors. One pair of the plurality of paired sectioned windings has a different number of turns than the other of the plurality of paired sectioned windings creating a potential imbalance upon interconnection of the paired sectioned windings. The potential imbalance produces an oscillation within the secondary winding at a frequency which is an odd harmonic of the frequency of the alternating current source providing a reinforcement of the magnetic flux during a portion of each cycle producing a greater peak output voltage. The invention is suitable for use with high-intensity discharge lamp regulators or ballasts which require a substantially high starting voltage in order to ignite the lamp. The foregoing abstract is merely a resume of one general application, is not a complete discussion of all principles of operation or applications, and is not to be construed as a limitation on the scope of the claimed subject matter.
Inventors
- 👤 Gabor Szatmari
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 16:26
CPC Classifications
H; H01; H01F; H01F38/00; H01F38/02; H01F38/06; H01F27/00; H01F27/28; H01F27/288; H01F27/289; H01F38/08; H01F38/10; H05; H05B; H05B41/00; H05B41/02; H05B41/04; H05B41/042; Y; Y10; Y10S; Y10S315/00; Y10S315/02
Claims Analysis
Total Claims: 21
Claim 1
Independent Claim
127 words
A voltage regulating transformer having load terminals for transferring power from an alternating current source to a load, comprising in combination: a magnetic core; a primary winding connectable to the alternating current source and wound about said magnetic core for inducing an alternating magnetic flux therein; a secondary winding comprising a plurality of paired sectioned windings being wound around and responsive to said magnetic flux in said magnetic core; means establishing capacitance between said plurality of paired sectioned windings; means connecting said secondary winding to the load terminals; and means for modifying said alternating magnetic flux in said magnetic core by harmonic magnetic flux to reinforce the magnetic flux therein at least during a portion of each cycle producing a greater output voltage to the load terminals.
Claim 2
Dependent Claim
127 words
A voltage regulating transformer having load terminals for transferring power from an alternating current source to a load, comprising in combination: a magnetic core; a primary winding connectable to the alternating current source and wound about said magnetic core for inducing an alternating magnetic flux therein; a secondary winding comprising a plurality of paired sectioned windings being wound around and responsive to said magnetic flux in said magnetic core; means establishing capacitance between said plurality of paired sectioned windings; means connecting said secondary winding to the load terminals; and means for modifying said alternating magnetic flux in said magnetic core by harmonic magnetic flux to reinforce the magnetic flux therein at least during a portion of each cycle producing a greater output voltage to the load terminals.
Claim 3
Dependent Claim
31 words
A transformer as set forth in claim 1, wherein said means for modifying said alternating magnetic flux includes means establishing a potential imbalance between said paired sectional winding said secondary winding.
Claim 4
Dependent Claim
52 words
A transformer as set forth in claim 1, wherein said means for modifying said alternating magnetic flux includes means establishing one of said plurality of paired sectioned windings to have a potential difference from another one of said plurality of paired sectioned windings producing said harmonic magnetic flux in said magnetic core.
Claim 5
Dependent Claim
41 words
A transformer as set forth in claim 1, wherein said means for modifying said alternating magnetic flux includes one of said plurality of paired sectioned windings having a different number of turns from another of said plurality of paired sectioned windings.
Claim 6
Dependent Claim
21 words
A transformer as set forth in claim 1, wherein said harmonic magnetic flux includes means establishing oscillation within said secondary winding.
Claim 7
Dependent Claim
26 words
A transformer as set forth in claim 5, wherein said oscillation is at a frequency which is an odd harmonic of the alternating current source frequency.
Claim 8
Dependent Claim
26 words
A transformer as set forth in claim 1, wherein said means connecting said secondary winding to the load terminals includes a portion of said primary winding.
Claim 9
Dependent Claim
37 words
A transformer as set forth in claim 1, wherein each pair of said plurality of paired sectioned windings includes a first and a second foil with each of said foils having a first and a second end.
Claim 10
Dependent Claim
41 words
A transformer as set forth in claim 8, wherein said means connecting said secondary winding to the load terminals includes means connecting at least two of said plurality of paired sectioned windings in parallel with each other across the load terminals.
Claim 11
Dependent Claim
38 words
A transformer as set forth in claim 8, wherein said means connecting said secondary winding to the load terminals includes means connecting at least two of said plurality of paired sectioned windings in series with the load terminals.
Claim 12
Dependent Claim
31 words
A transformer as set forth in claim 1, wherein said means establishing capacitance between said plurality of paired sectioned windings includes dielectric means interposed between said sectioned windings of each pair.
Claim 13
Dependent Claim
227 words
A voltage regulating transformer having a first and a second load terminal for transferring power from an alternating current source to a load, comprising in combination: a magnetic core having a magnetic shunt; a primary winding connectable to the alternating current source and wound about said magnetic core for inducing an alternating magnetic flux therein; a secondary winding separated by said magnetic shunt from said primary winding and comprising a plurality of paired sectioned windings and being wound around and responsive to said magnetic flux in said magnetic core; each pair of said plurality of paired sectioned windings having a first and a second foil with each of said foils having a first and a second end; one pair of said plurality of paired sectioned windings having a different number of turns than another pair of said plurality of paired sectioned windings; dielectric means interposed between said first and second foils of each pair of said plurality of paired sectioned windings creating a plurality of capacitances; means connecting said secondary winding to the first and second load terminals; and means connecting said plurality of sectioned windings for modifying said alternating magnetic flux in said secondary portion of the magnetic core by harmonic magnetic flux to reinforce the magnetic flux therein during at least a portion of each cycle producing a greater peak output voltage to the load.
Claim 14
Dependent Claim
227 words
A voltage regulating transformer having a first and a second load terminal for transferring power from an alternating current source to a load, comprising in combination: a magnetic core having a magnetic shunt; a primary winding connectable to the alternating current source and wound about said magnetic core for inducing an alternating magnetic flux therein; a secondary winding separated by said magnetic shunt from said primary winding and comprising a plurality of paired sectioned windings and being wound around and responsive to said magnetic flux in said magnetic core; each pair of said plurality of paired sectioned windings having a first and a second foil with each of said foils having a first and a second end; one pair of said plurality of paired sectioned windings having a different number of turns than another pair of said plurality of paired sectioned windings; dielectric means interposed between said first and second foils of each pair of said plurality of paired sectioned windings creating a plurality of capacitances; means connecting said secondary winding to the first and second load terminals; and means connecting said plurality of sectioned windings for modifying said alternating magnetic flux in said secondary portion of the magnetic core by harmonic magnetic flux to reinforce the magnetic flux therein during at least a portion of each cycle producing a greater peak output voltage to the load.
Claim 15
Dependent Claim
53 words
A transformer as set forth in claim 12, wherein said means connecting said secondary winding to the first and second load terminals includes means connecting said first ends of said first foils to the first load terminal and includes means connecting said second ends of said second foils to the second load terminal.
Claim 16
Dependent Claim
46 words
A transformer as set forth in claim 13, wherein said harmonic magnetic flux includes means establishing an oscillation within said secondary winding at a frequency which is an odd harmonic of the alternating current source frequency to increase the peak output voltage of said secondary winding.
Claim 17
Dependent Claim
38 words
A transformer as set forth in claim 12, wherein said means connecting said secondary winding to the first and second load terminals includes means connecting said plurality of capacitances in series with the first and second load terminals.
Claim 18
Dependent Claim
122 words
A voltage regulating transformer having load terminals for transferring power from an alternating current source to a load, comprising in combination: a magnetic core; a primary winding connectable to the alternating current source and wound about said magnetic core for inducing an alternating magnetic flux therein; a secondary winding comprising a plurality of paired sectioned windings being wound around and responsive to said magnetic flux in said magnetic core; means establishing capacitance between said plurality of paired sectioned windings; means connecting said secondary winding to the load terminals; and capacitance means interconnecting at least two of said sectioned windings in series across the load terminals whereby the voltage of said capacitance means and said sectioned windings are applied to the load terminals.
Claim 19
Dependent Claim
122 words
A voltage regulating transformer having load terminals for transferring power from an alternating current source to a load, comprising in combination: a magnetic core; a primary winding connectable to the alternating current source and wound about said magnetic core for inducing an alternating magnetic flux therein; a secondary winding comprising a plurality of paired sectioned windings being wound around and responsive to said magnetic flux in said magnetic core; means establishing capacitance between said plurality of paired sectioned windings; means connecting said secondary winding to the load terminals; and capacitance means interconnecting at least two of said sectioned windings in series across the load terminals whereby the voltage of said capacitance means and said sectioned windings are applied to the load terminals.
Claim 20
Dependent Claim
32 words
A transformer as set forth in claim 16, wherein said capacitance means includes a first and a second capacitor each connecting two of said sectioned windings in series across the load terminals.
Claim 21
Dependent Claim
28 words
A transformer as set forth in claim 17, including means for establishing said first and second capacitors to be in series with one another across the load terminals.
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) | 1980-02-08 | 1980-08-09 | 1981-02-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1984-02-08 | 1984-08-09 | 1985-02-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1988-02-08 | 1988-08-09 | 1989-02-08 | $7700.00 | Window Closed / Lapsed |