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Class 337/19 - Gap with thin film dielectric (e.g., voltage-responsive)


Subclass of Class 337 - Electricity: electrothermally or thermally actuated switches
Definition: Subject matter including contacts or electrodes separated
No. of patents: 4
Last issue date: 08/07/2001


NumberTitleIssue Date
6272425Load determination for an internal combustion engine
A method and apparatus are provided for synchronizing an event of an internal combustion engine at least in part as a function of the load on the engine. Desirably, the ignition timing of the engine may be controlled as a function of the load on the engin...
08/07/2001
6157286High voltage current limiting device
A high voltage, current limiting device is connected in series with a high voltage power source and a protected load to interrupt current for an over-current condition [Typically 50 kA]. The current limiting device includes a current sensor/isolator and a...
12/05/2000
5907270Current-limiting switch
A current-limiting switch, with current connections and contacts, at least one of which is movable, having an associated drive, for opening the moving contact when a predefined electric current intensity is exceeded, are provided. The drive is a thermoele...
05/25/1999
4152576Low voltage welding circuit with non-conductive ground connector
A protective ground connector for establishing a direct ground connection in response to a fault voltage in a welding circuit. A pair of smooth-faced metal blocks are clamped in face-to-face relationship with each other with a relatively thin shim of elec...
05/01/1979
 
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