Mounting device for sensors and pick-ups

Details Mounting device for sensors and pick-ups Mounting device for sensors and pick-ups

1989-01-30

1990-07-03

Stinson, Frankie L.

Brushing, scrubbing, and general cleaning

Machines

With air blast or suction

55274, A47L 512

Patent

active

049379127

ABSTRACT:
In connection with a mounting device for sensors and pick-ups generally, serving as dust-detecting means for vacuum cleaners, in particular in the form of luminous diodes and phototransistors arranged adjacent the suction channel of the said vacuum cleaner, it is proposed to form at least one axial channel, leading from the inside to the outside, immediately adjacent the sensor, through which an air flow is passed due to underpressures or overpressures prevailing in the area of the sensor, which air flow acts to continuously clean the sensitive area of the sensor.

REFERENCES:
patent: 3333564 (1967-08-01), Waters
patent: 3440681 (1969-04-01), Hixson et al.
patent: 3452385 (1969-07-01), Fleck et al.
patent: 3875891 (1975-04-01), Zeldman
patent: 3989311 (1976-11-01), DeBrey
patent: 4195383 (1980-04-01), Leinfelt
patent: 4767213 (1988-08-01), Hummel

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