Device for a turbidity sensor for a dishwasher or washing...

Details Device for a turbidity sensor for a dishwasher or washing... Device for a turbidity sensor for a dishwasher or washing...

2008-07-01

2008-07-01

Barr, Michael (Department: 1792)

Cleaning and liquid contact with solids

Apparatus

Automatic controls

C134S0570DL, C134S113000, C068S012020

Reexamination Certificate

active

07392813

ABSTRACT:
A device for preventing foam or air bubbles from accumulating in a measuring zone of a turbidity sensor connected in a wash-water circuit of a dishwasher or washing machine includes a main flow conduit and a bypass conduit connected to the main flow conduit. The bypass conduit includes a first conduit section branching off from the main flow conduit, a second conduit section leading back into the main flow conduit at a junction, and an enlarged region of reduced flow velocity connected upstream of the junction. The enlarged region provides the measuring zone for the turbidity sensor, and includes a curved baffle and a downward-facing bulbous protuberance opposite the baffle so as to form a backflow region. The measuring zone is located within the backflow region in the bulbous protuberance.

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patent: 05154278 (1993-06-01), None

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