Patent US2503441A successfully refreshed from Google Patents.
Patent US3789281A successfully refreshed from Google Patents.
US3789281A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electric control system of an electric machine arrangement combining electromagnetic coupling with an electric rotating machine
Assignee: Kawasaki Heavy Industries Ltd
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Filing: 1972-05-30
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Granted: 1974-01-29
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Expires: 1992-05-30
Abstract
Abstract An electromagnetic coupling having two rotors is connected mechanically with an electric rotating machine, an armature winding of the electromagnetic coupling is connected electrically with an armature winding of the electric rotating machine through a converter, and an electric battery group is connected electrically in series with the armature winding of the electric rotating machine and D.C. terminals of the converter. The load of the above electric machine arrangement can be supplied with power properly from the electric battery group and a driving machine such as a prime mover which drives the above electric machine arrangement.
Inventors
- 👤 F Shibata
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 22:35
CPC Classifications
B; B60; B60K; B60K6/00; B60K6/20; B60K6/22; B60K6/26; B60K6/42; B60K6/44; B60K6/448; B60W; B60W10/00; B60W10/04; B60W10/08; H; H02; H02K; H02K51/00; H02P; H02P29/00; H02P29/0016; H02P29/0027; B60K2006/262; Y; Y02; Y02T; Y02T10/00; Y02T10/60; Y02T10/62; Y10; Y10S; Y10S903/00; Y10S903/902; Y10S903/903; Y10S903/904; Y10S903/906
Claims Analysis
Total Claims: 19
Claim 1
Independent Claim
216 words
An electric control system of an electric machine arrangement comprising: an electromagnetic coupling having two rotors which rotate with respect to each other, one of which is provided with an armature winding; an electric rotating machine having a stator, a rotor and an armature winding; mechanical connecting means connecting one of said two rotors of the said electromagnetic coupling with said rotor of the said electric rotating machine; a converter composed of rectifiers and having A.C. terminals and D.C. terminals; electric connecting means providing an electric connection between said armature winding of the said electromagnetic coupling and said armature winding of the said electric rotating machine through the said converter; and an electric battery group which has output terminals being arranged to connect electrically in series with the said armature winding of the electric rotating machine and the said D.C. terminals of the converter, so that the electric battery group can supply said electric rotating machine with electric power through the said rectifiers of the converter simultaneously with supply of electric power to the said electric rotating machine from the electromagnetic coupling; wherein said rotor of the electromagnetic coupling combined mechanically with the rotor of the electric rotating machine drives a load, and the other rotor of the electromagnetic coupling being driven by a driving machine.
Claim 2
Dependent Claim
216 words
An electric control system of an electric machine arrangement comprising: an electromagnetic coupling having two rotors which rotate with respect to each other, one of which is provided with an armature winding; an electric rotating machine having a stator, a rotor and an armature winding; mechanical connecting means connecting one of said two rotors of the said electromagnetic coupling with said rotor of the said electric rotating machine; a converter composed of rectifiers and having A.C. terminals and D.C. terminals; electric connecting means providing an electric connection between said armature winding of the said electromagnetic coupling and said armature winding of the said electric rotating machine through the said converter; and an electric battery group which has output terminals being arranged to connect electrically in series with the said armature winding of the electric rotating machine and the said D.C. terminals of the converter, so that the electric battery group can supply said electric rotating machine with electric power through the said rectifiers of the converter simultaneously with supply of electric power to the said electric rotating machine from the electromagnetic coupling; wherein said rotor of the electromagnetic coupling combined mechanically with the rotor of the electric rotating machine drives a load, and the other rotor of the electromagnetic coupling being driven by a driving machine.
Claim 3
Dependent Claim
41 words
An electric control system of an electric machine arrangement as claimed in claim 1, wherein the electric rotating machine is a direct current commutating machine having a stator provided with poles and a rotor provided with an armature winding and commutators.
Claim 4
Dependent Claim
38 words
An electric control system of an electric machine arrangement as claimed in claim 1, wherein the electric rotating machine is an alternating current machine having a stator, a rotor and an armature winding in which alternating current flows.
Claim 5
Dependent Claim
68 words
An electric control system of an electric machine arrangement as claimed in claim 1, wherein the polarity of the electric battery group electrically connected in series with the D.C. terminals of the converter and the armature winding of the electric rotating machine is so arranged that the electric battery group can be supplied with electric power from the electromagnetic coupling through the converter and the electric rotating machine.
Claim 6
Dependent Claim
45 words
An electric control system of an electric machine arrangement as claimed in claim 1, wherein at least one controlled rectifier other than said converter rEctifiers is connected electrically in the closed circuit composed of the electric battery group, the converter and the electric rotating machine.
Claim 7
Dependent Claim
42 words
An electric control system of an electric machine arrangement as claimed in claim 1, wherein a thyrister chopper is connected electrically in the closed circuit composed of the electric battery group, the converter and the armature winding of the electric rotating machine.
Claim 8
Dependent Claim
22 words
An electric control system of an electric machine arrangement as claimed in claim 1, wherein the converter is composed of controlled rectifiers.
Claim 9
Dependent Claim
30 words
An electric control system of an electric machine arrangement as claimed in claim 7, wherein said converter is so arranged that the converter can also be operated as an inverter.
Claim 10
Dependent Claim
43 words
An electric control system of an electric machine arrangement as claimed in claim 1, wherein the armature winding of the electromagnetic coupling is connected electrically to the output terminals of the electric battery group through a transformer and another converter composed of rectifiers.
Claim 11
Dependent Claim
45 words
An electric control system of an electric machine arrangement as claimed in claim 3, wherein an inverter composed of controlled rectifiers is connected electrically in the closed circuit composed of the electric battery group, the converter and the armature winding of the electric rotating machine.
Claim 12
Dependent Claim
78 words
An electric control system of an electric machine arrangement as claimed in claim 1, wherein the electric rotating machine is a direct current commutating machine having a stator provided with poles and a rotor provided with an armature winding and commutators; the converter is composed of controlled rectifiers; and the armature winding of the electromagnetic coupling is connected electrically with the output terminals of the electric battery group through a transformer and another converter composed of additional rectifiers.
Claim 13
Dependent Claim
100 words
An electric control system of an electric machine arrangement as claimed in claim 1, wherein the electric rotating machine is an alternating current machine having a stator, a rotor and an armature winding in which alternating current flows; the converter is composed of controlled rectifiers; an inverter composed of controlled rectifiers connected electrically in the closed circuit composed of the electric battery group, the converter and the electric rotating machine; and the armature winding of the electromagnetic coupling is connected electrically with the output terminals of the electric battery group through a transformer and another converter composed of additional rectifiers.
Claim 14
Dependent Claim
64 words
An electric control system of an electric machine arrangement as claimed in claim 1, wherein a rotor is used in common as one of the two rotors of the electromagnetic coupling and as the rotor of the electric rotating machine, in order to combine mechanically the said one of the two rotors of the electromagnetic coupling with the rotor of the electric rotating machine.
Claim 15
Dependent Claim
114 words
An electric control system of an electric machine arrangement as claimed in claim 2, wherein a rotor is used in common as one of the two rotors of the electromagnetic coupling and as the rotor of the direct current commutating machine by an arrangement in which the inner face of the rotor is provided with material of a magnetic circuit for the electromagnetic coupling and the outer face of the rotor is provided with material of a magnetic circuit for the direct current commutating machine, and the said rotor of the electromagnetic coupling rotates in a space between the stator of the direct current commutating machine and the other rotor of the electromagnetic coupling.
Claim 16
Dependent Claim
98 words
An electric control system of an electric machine arrangement as claimed in claim 3, wherein the mechanical combination between the rotor of the electromagnetic coupling and the rotor of the electric rotating machine is made by an arrangement of a rotor which is provided with material of a magnetic circuit for the electromagnetic coupling in its inner face and is proVided with material of a magnetic circuit for the electric rotating machine in its outer face and which rotates in a space between the stator of the electric rotating machine and the other rotor of the electromagnetic coupling.
Claim 17
Dependent Claim
32 words
An electric control system of an electric machine arrangement as claimed in claim 1, wherein the driving machine is a prime mover, and the load is a wheel of an electric vehicle.
Claim 18
Dependent Claim
40 words
An electric control system of an electric machine arrangement as claimed in claim 1, wherein the driving machine is a prime mover, and the rotor of the electric rotating machine drives wheels of an electric vehicle through a differential gear.
Claim 19
Dependent Claim
32 words
An electric control system of an electric machine arrangement as claimed in claim 1, wherein the driving machine is an electric motor, and the load is a wheel of an electric vehicle.
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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) | 1977-01-28 | 1977-07-30 | 1978-01-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-01-28 | 1981-07-30 | 1982-01-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-01-28 | 1985-07-30 | 1986-01-29 | $7700.00 | Window Closed / Lapsed |