Ventilating system washer cleaning apparatus

Claim 1

APPARATUS FOR CLEARING GREAS VAPORS, ODORS, SMOKE AND THE LIKE FROM ENCLOSURE VENTILATING SYSTEMS HAVING A POWER INDUCED VENTILATING AIRSTREAM DISCHARGED THROUGH AN OUTLET MOUTH EXTERIOR OF THE ENCLOSURE, SAID APPARATUS COMPRISING A GENERALLY TUBULAR HOUSING HAVING ONE END PROVIDING AN INLET PASSAGE AND ADAPTED TO OVERTILE AND REGISTER WITH THE OUTLET MOUTH OF THE VENTILATING SYSTEM, THE OPPOSITE END OF SAID HOUSING PROVIDING AN OUTLET PASSAGE THROUGH WHICH THE CLEANSED VENTILATING AIRSTREAM EXITS, SAID INLET AND OUTLET PASSAGES BEING SUBSTANTIALLY IN AXIAL ALIGMENT, SAID HOUSING HAVING AN INWARDLY TURNED FLANGE AT SAID INLET END COMPLETELY ENCIRCULING SAID INLET PASSAGE IN THE HOUSING, SAID INLET PASSAGE BEING SUBSTANTIALLY SMALLER IN CROSS SECTION THAN THE HOUSING INTERIOR SO THAT THE HOUSING SIDEWALL AND FLANGE FROM A TROUGH SURROUNDING SAID INLET PASSAGE, A BAFFLE PLATE OVERYLING BUT SPACED FROM SAID INWARDLY TURNED FLANGE AND HAVING A PERIPHERAL SKIRT EXTENDING TOWARD SAID TROUGH WHEREBY THE DIRECTION OF FLOW OF SAID AIRSTREAM IN REVERSED AND THEN REDIRECTED AGAIN TOWARD THE HOUSING OUTLET AS IT FLOWS AROUND SAID SKIRT AND OUT OF SAID TROUGH, ELECTROSTATIC PRECIPTATOR CELLS SUPPORTED WITHIN SAID HOUSING AND DISPOSED IN SAID AIRSTREAM DOWNSTREAM OF SAID TROUGH, AND AN ARRAY OF NOZZLES SUPPORTED ON THE DOWN-