Electrical generator or motor structure – Dynamoelectric – Rotary
Patent
1996-12-20
1998-06-30
Dougherty, Thomas M.
Electrical generator or motor structure
Dynamoelectric
Rotary
310 52, 310 54, 310 60A, 310 68R, 363 67, 363126, 363144, 363145, 357 75, 357 76, H09K 1100, H09B 100, H02M 100
Patent
active
057739030
ABSTRACT:
The invention is a rectifier assembly (10) having reduced mass and high rigidity permitting operation at high rotational speeds. The rotating rectifier includes a rotator shaft assembly (12), a first conductive diode carrier (18), a second conductive diode carrier (20), first and second electrical conductors (40 and 44) connected to the first and second diode carriers and to one end of the rectifier assembly to provide a first DC output and a second DC output and first, second and third diode groups (37, 37', 37"). Each conductive diode carrier has an inner annulus (24) including first, second and third diode receiving surfaces (26, 28 and 30) disposed at spaced apart locations on the inner annulus of the diode carrier and an outer periphery which engages an inner annulus of the rotor shaft assembly. Each diode group comprises at least two diodes (38). An electrical conductor (46, 48 and 50) is provided for connection to an electrical phase extending to the one end of the rectifier assembly and electrically connected to an anode of at least one diode of the diode group and to a cathode of at least one other diode of the diode group with a cathode of each diode of the at least one diode of each diode group being electrically connected to a diode receiving surface of the conductive diode carrier and with an anode of each diode of the at least one other diode of each diode group being electrically connected to the diode receiving surface of the second conductive diode carrier.
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McCabria Jack L.
Nisonger Richard J.
Dougherty Thomas M.
Nguyen Tran N.
Sundstrand Corporation
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