Patent DE620768C successfully refreshed from Google Patents.
DE620768C
Expired / Lapsed
DE
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Device for detecting an earth fault in the armature external circuit of a direct current commutator machine, in particular a rotor earth fault or a rotor body circuit of alternating current machines excited by a direct current commutator machine
Assignee: Siemens Schuckertwerke AG
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Filing: 1934-01-14
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Granted: 1935-10-31
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Expires: 1954-01-14
Abstract
No abstract record available.
Inventors
- 👤 Dipl-Ing Ernst Bopp
Bibliographic Details
Application Number
—
Jurisdiction
DE
Data Source
google_patents
Last Synchronized
2026-11-08 20:30
CPC Classifications
H; H02; H02H; H02H7/00; H02H7/08; H02H7/0811
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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