GB658495A
Expired / Lapsed
GB
⏱️ 0.0 years remaining
Improvements in and relating to thermal responsive resistance devices
Assignee: British Thomson Houston Co Ltd
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Filing: 1949-11-29
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Granted: —
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Expires: 1969-11-29
Abstract
Abstract 658,495. Alarms for dynamo - electric machines. BRITISH THOMSON-HOUSTON CO., Ltd. Nov. 29, 1949, No. 30604. Convention date, Dec. 2, 1948. [Class 35] [Also in Groups XXXVI and XXXVII] A thermistor disc 1 is mounted in a cupshaped member 8 of copper which is secured as shown, Fig. 2, in thermal contact with the windings 7 of a dynamo-electric machine. If the windings 7 carry an overload current the resulting increase in conductivity of the thermistor disc 1 effects operation of relay 17 to close the circuit of an overload warning lamp 18.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
GB
Data Source
google_patents
Last Synchronized
2026-10-23 02:14
CPC Classifications
H; H02; H02H; H02H5/00; H02H5/04; H02H5/042
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