Noise reduction system for hard body vacuum

A noise reduction system for use with an upright vacuum cleaner having a floor mounted head assembly and a pivotably attached rigid upper body housing containing a pressurized filter bag, said system comprising:

• a first member and a second member cooperating to form a rigid upper body housing, said housing defining an enclosed cavity for supporting a filter, a dirty air inlet in communication with the head assembly and an exhaust vent formed in one of said first or second members for venting exhaust air to atmosphere;
• a muffler cooperating with said member having the exhaust vent formed therein to form a baffle chamber located within said housing cavity, said muffler defining an air entrance spaced from said exhaust vent requiring exhaust air exiting said housing cavity to flow through said baffle chamber;
• and
• a series of baffles located within said baffle chamber forming a circuitous flow path between said air entrance and said exhaust vent for reducing exhaust air noise emitted from said upright vacuum cleaner.

An upright vacuum cleaner having a head assembly and an electric motor for driving a blower, said vacuum cleaner comprising:

• a body defining an exhaust vent;
• a cover cooperating with said body to form a rigid housing attached in upright relation to said head assembly, said housing defining an enclosed cavity therein;
• a dirt tube located within said housing and in communication with said head assembly and said exhaust vent, said dirt tube having a muffler integrally formed thereon, said muffler affixed to said body adjacent said exhaust vent to define a baffle chamber therebetween, said muffler having formed therein an air entrance spaced from said exhaust vent requiring exhaust air exiting said cavity to flow through said baffle chamber;
• and
• a series of baffles located within said baffle chamber between said air entrance and said exhaust vent for reducing exhaust air noise.