Patent ID: 6036757
Filing Date: 2000-03-14
Classification: B01D

Abstract:
A portable air conditioning system comprising:a housing defining an air inlet, an air outlet and an air flow passage extending therebetween;air conditioning means disposed to condition air circulating through said flow passage, said air conditioning means comprising a first filter and a second filter arranged in series so as to sequentially filter air circulating through said flow passage;fan means retained by said housing and activatable to draw air through said air inlet, move air through said flow passage and said filter, and discharge air through said air outlet;electrically powered driver means coupled to said fan means and energizable to provide said activation of said fan means; andcontrol means comprising processor means for monitoring and recording elapsed time data during periods in which said fan means is activated to move air, a first elapsed time indicator for indicating one value of elapsed time data for said first filter, and a second elapsed time indicator for indicating another value of elapsed time data for said second filter.