Battery switch for downhole tools

Details Battery switch for downhole tools Battery switch for downhole tools

2004-12-13

2010-02-23

Fleming, Fritz M (Department: 2836)

Electricity: electrical systems and devices

Safety and protection of systems and devices

Circuit interruption by thermal sensing

Reexamination Certificate

active

07667942

ABSTRACT:
An electrical circuit for a downhole tool may include a battery, a load electrically connected to the battery, and at least one switch electrically connected in series with the battery and to the load. The at least one switch may be configured to close when a tool temperature exceeds a selected temperature.

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