Rotor for a dynamoelectric machine having a one-piece rotation rectifier
First Claim
1. A rectifier assembly configured for rotation about an axis of rotation, the rectifier comprising:
- (a) two axially-spaced field plates having generally planar major surfaces oriented perpendicularly to the axis of rotation;
(b) two layers of diodes sandwiched between the field plates;
(c) a layer of phase plates electrically isolated from one another sandwiched between the layers of diodes; and
(d) means for integrally joining the diodes to the field plates and to the phase plates to form a unitary, laminated structure rotatable about the axis of rotation.
1 Assignment
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Accused Products
Abstract
A compact rotor for a dynamoelectric machine in the form of a brushless alternator is provided through the use of a compact rotating rectifier of unitary construction and a suppression resistor which are mounted within the rotor. The rectifier is of an elemental construction in which all elements of the rectifier perform dual functions as essential structure and as elements of an electrical circuit. The rotor, rectifier, and resistor are highly integrated and configured in a complementary manner such that virtually all non-essential structure related to the rectifier and resistor are eliminated, and such that electrical connections between the components of the rotor are significantly simplified. The rotor also includes features for directing a flow of coolant about the rectifier and the resistor.
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Citations
35 Claims
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1. A rectifier assembly configured for rotation about an axis of rotation, the rectifier comprising:
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(a) two axially-spaced field plates having generally planar major surfaces oriented perpendicularly to the axis of rotation; (b) two layers of diodes sandwiched between the field plates; (c) a layer of phase plates electrically isolated from one another sandwiched between the layers of diodes; and (d) means for integrally joining the diodes to the field plates and to the phase plates to form a unitary, laminated structure rotatable about the axis of rotation. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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11. A rectifier assembly configured for rotation about an axis of rotation, the rectifier comprising:
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(a) two axially-spaced field plates having generally planar major surfaces oriented perpendicularly to the axis of rotation; (b) two layers of diodes sandwiched between the field plates; (c) two layers of phase plates sandwiched between the layers of diodes; (d) a central support plate of electrically insulative material sandwiched between the layers of phase plates; and (e) means for integrally joining the diodes, the field plates, the phase plates, and the central support plate to form a unitary, laminated structure rotatable about the axis of rotation.
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12. A rotor for a dynamoelectric machine comprising:
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(a) a rotating member configured for rotation about an axis of rotation and including a source of alternating current and an electrical load; and (b) a rectifier attached to the rotating member for rotation about the axis of rotation and electrically connected between the source of alternating current and the load, the rectifier comprising the following; (1) two axially-spaced field plates having generally planar major surfaces oriented perpendicularly to the axis of rotation; (2) two layers of diodes sandwiched between the field plates; (3) a layer of phase plates electrically isolated from one another sandwiched between the layers of doides; and (4) means for integrally joining the diodes to the field plates and to the phase plates to form a unitary, laminated structure rotatable about the axis of rotation. - View Dependent Claims (13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34)
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35. A rectifier assembly comprising:
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two half-rectifier assemblies each having a layer of diodes sandwiched between a field plate and one or more phase plates; said diodes being integrally joined to said field and phase plates by soldering with a first solder having a melting temperature; said phase plates of said half-rectifiers being integrally joined to one another by soldering with a second solder having a melting temperature lower than the melting temperature of the first solder.
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Specification