Chemical apparatus and process disinfecting – deodorizing – preser – Analyzer – structured indicator – or manipulative laboratory... – Automatic analytical monitor and control of industrial process
Patent
1997-07-30
1999-03-09
Snay, Jeffery
Chemical apparatus and process disinfecting, deodorizing, preser
Analyzer, structured indicator, or manipulative laboratory...
Automatic analytical monitor and control of industrial process
422 8205, 359509, G02B 700
Patent
active
058796266
ABSTRACT:
A photoelectric sensor has its own cleaning system which accommodates different possibilities for mounting the photoelectric sensor, so that it is no longer necessary to custom design cleaning systems. The photoelectric sensor includes an optical lens and a cleaning device which cleans the optical lens. The cleaning device further includes a fluid chamber coupled to a source of fluid, and a fluid dispenser in fluid communication with the fluid chamber and disposed adjacent the optical lens. The fluid dispenser is operative to dispense fluid on the optical lens to clean the optical lens. In a preferred embodiment, the cleaning system uses a pulse of air to remove dust from the optical lens of the photoelectric sensor.
REFERENCES:
patent: 2856542 (1958-10-01), McPheeters
patent: 3744873 (1973-07-01), Jamison
patent: 4240691 (1980-12-01), Holmqvist et al.
patent: 4658113 (1987-04-01), Vingerling
Boschuetz, Jr. James J.
Hagemeier David R.
Watterson Richard L.
Allen-Bradley Company LLC
Horn John J.
Luettgen David G.
Miller John M.
Snay Jeffery
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