Load indicator for an air cleaner

Details Load indicator for an air cleaner Load indicator for an air cleaner

1979-03-19

1980-12-16

Brigance, Gerald L.

Communications: electrical

Condition responsive indicating system

Specific condition

340648, 361 31, 324127, G08B 2100

Patent

active

042400724

ABSTRACT:
A load indicator for an air cleaner associated with an air movement system which conducts air to a designated area in response to the supply of electrical energy from an energy source. An energy sensor includes a closed loop flux conducting circuit which is removably connected to surround at least one lead of the energy supplying circuit for generating a magnetic flux signal substantially proportional to the energy flow in the lead. The indicator operatively responds to a flux signal of a predetermined magnitude for providing a predetermined load indicating signal for the filter.

REFERENCES:
patent: 3482236 (1969-12-01), Seney
patent: 3738088 (1973-06-01), Colosimo
patent: 3809985 (1974-05-01), Krause et al.
patent: 3851216 (1974-11-01), Clarke et al.
patent: 3875464 (1975-04-01), Gary et al.
patent: 3962694 (1976-06-01), Calia et al.
patent: 3996513 (1976-12-01), Butler
patent: 4007401 (1977-02-01), Kimmel et al.
patent: 4040052 (1977-08-01), Mayer
patent: 4100488 (1978-07-01), Quietzsch et al.
patent: 4156262 (1969-05-01), Eller et al.
patent: 4160282 (1979-07-01), Dolinan et al.

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