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US 4,052,629 AGranted
Rotating rectifier assembly
AssigneeKraftwerk Union Aktiengesellschaft
InventorsHeinrich Kuter, Gerhard Krieger
Life of this patent
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AssigneeKraftwerk Union Aktiengesellschaft
InventorsHeinrich Kuter, Gerhard Krieger
Estimating the term…
An electrical machine having a rotary shaft includes a rotating rectifier assembly connected in a three-phase current bridge circuit and comprising two support wheels mounted on the shaft in insulated relationship with respect thereto and formed with respective annular flanges, active components of the rectifier assembly comprising heat sinks, rectifier cells and fuses disposed at the inner periphery of the annular flanges, the two support wheels forming direct current poles and comprising an intermediate ring formed of nonmagnetic material insulatedly mounted on the shaft and a support wheel hub directly shrink-fitted on the intermediate ring, the shaft being formed with an axial bore, direct current conductors disposed in the axial bore, and at least one current connecting bolt radially passing through the intermediate ring and into the shaft, the bolt having a head in contact with the support wheel hub and the intermediate ring, and a shank in contact with one of the direct current conductors.
In an electrical machine having a rotary shaft, a rotating rectifier assembly connected in a three-phase current bridge circuit and comprising two support wheels mounted on the shaft in insulated relationship with respect thereto and formed with respective annular flanges, active components of the rectifier assembly comprising heat sinks, rectifier cells and fuses disposed at the inner periphery of said annular flanges, said two support wheels forming direct current poles and comprising an intermediate ring formed of nonmagnetic material insulatedly mounted on the shaft and a support wheel hub directly shrink-fitted on said intermediate ring, the shaft being formed with an axial bore, direct current conductors disposed in said axial bore, and at least one current connecting bolt radially passing through said intermediate ring and into the shaft, said bolt having a head in contact with said support wheel hub and said intermediate ring, and a shank in contact with one of said direct current conductors.
Dependencies are inferred from the claim text.