Window cleaner for inline optical sensors

Details Window cleaner for inline optical sensors Window cleaner for inline optical sensors

1991-09-26

1993-02-09

Berman, Jack I.

Radiant energy

Fluent material containment, support or transfer means

With cleaning means

250573, 250576, G01N 2115

Patent

active

051855313

ABSTRACT:
Apparatus for cleaning the interior surface of a window in an inline optical sensors which is subject to contamination and fouling by a product stream in contact therewith. The window surface is wiped by a blade driven by a pneumatic operator, and the amount of air supplied to the operator is adjusted to control the speed at which the blade moves across the window surface. When a cleaning operation is initiated, the blade is wiped across the window surface a predetermined number of times, and measurements utilizing data from the sensor are suspended until the cleaning operation is completed and the data has had time to restabilize.

REFERENCES:
patent: 3584178 (1971-06-01), Huber et al.
patent: 3844661 (1974-10-01), Birkett et al.
patent: 3953136 (1976-04-01), Hach
patent: 4021120 (1977-05-01), Muller et al.
patent: 4940902 (1990-07-01), Mechalas et al.

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