IT1237354B - Automatic photoelectric flush control appts. for urinal
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Automatic photoelectric flush control appts. for urinal
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Publication number
IT1237354B
IT1237354BIT8448193AIT4819384AIT1237354BIT 1237354 BIT1237354 BIT 1237354BIT 8448193 AIT8448193 AIT 8448193AIT 4819384 AIT4819384 AIT 4819384AIT 1237354 BIT1237354 BIT 1237354B
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Application filed by Chen Chi Electro ChemicalfiledCriticalChen Chi Electro Chemical
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Publication of IT1237354BpublicationCriticalpatent/IT1237354B/en
The arrangement comprises a housing (2) fixed over the water pipe at the top area of a stall urinal (1) with a flushing device (21) such as an electromagnetic valve installed inside it. A control circuit (3) is disposed in the housing in connection with the flushing device. A photoelectric emitting device (30) is provided in the housing for producing a light beam and a photoelectric sensing device (31) is disposed in the housing in conjunction with the photoelectric emitting device. Automatic water flushing operations will be effected in a predetermined duration upon the departure of the person forming the light reflecting object. The photoelectric emitter and sensor are provided with lenses and concentrating tubes.
IT8448193A1984-01-311984-05-11Automatic photoelectric flush control appts. for urinal
IT1237354B
(en)