Heated ion chamber detector for a dynamoelectric machine

Details Heated ion chamber detector for a dynamoelectric machine Heated ion chamber detector for a dynamoelectric machine

1976-09-02

1978-02-14

Borchelt, Archie R.

Radiant energy

Invisible radiant energy responsive electric signalling

Including a radiant energy responsive gas discharge device

73 231, 73339R, 250384, G01T 118

Patent

active

040741370

ABSTRACT:
An improved detector apparatus is provided in combination with a gas cooled dynamoelectric machine for detecting the presence of pyrolysate products in the machine gas coolant indictive of localized overheating of certain dynamoelectric machine parts. The detector apparatus is of the type which analyzes an ionized gas sample by measuring the current flow in the gas sample. A decrease in current flow is indicative of the presence of submicron particulates. The present invention resides in heating the gaseous sample to eliminate more volatile submicron particulates so that the output signal from the detector apparatus is indicative only of the presence of pyrolysate products resulting from the localized overheating of certain dynamoelectric machine parts.

REFERENCES:
patent: 3046396 (1962-07-01), Lovelock
patent: 3185845 (1965-05-01), Lively et al.
patent: 3427880 (1969-02-01), Grobel et al.
patent: 3916671 (1975-11-01), Carson et al.

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