Patent ID: 6923190
Filing Date: 2005-08-02
Classification: B08B,F01M,F02B

Abstract:
1. A cleaning apparatus for cleaning a system having a first fluid and a system pump, said cleaning apparatus comprising: a tank including a second fluid; an output hose; an apparatus pump for pumping a predetermined amount of said second fluid from said tank into said system via said output hose, while said system pump is off; a return hose; a filter between said return hose and said output hose; an air storage tank; and an air compressor for compressing air into said air storage tank; wherein after said predetermined amount of said second fluid is pumped into said system, said system pump is turned on to pump said first fluid and said second fluid out of said return line through said filter and into said output hose and back into said system; wherein said system pump is turned off and said air in said air storage tank is delivered to said system for purging said first fluid and said second fluid from said system; and wherein said air compressor starts compressing said air into said air storage tank before said system pump is turned on and terminates compressing said air into said air storage tank before said system pump is turned off.