a dryer tumble drying articles includes a drum including a cavity configured to hold articles to be dried a first motor drivingly coupled to the drum to rotate the drum a heat source in flow communication with the cavity and a variable speed motor drivingly coupled to a blower positioned to deliver heated air from the heat source to the cavity application_number US 60804403 A description fig1 illustrates an exemplary clothes dryer appliance 10 in which the herein described methods and apparatus may be practiced while described in the context of a specific embodiment of dryer 10 it is recognized that the benefits of the herein described methods and apparatus may accrue to other types and embodiments of dryer appliances therefore the following description is set forth for illustrative purposes only and the herein described methods and apparatus is not intended to be limited in practice to a specific embodiment of a dryer appliance such as dryer 10 clothes dryer 10 includes a cabinet or a main housing 12 including a front panel 14 a rear panel 16 a pair of side panels 18 and 20 spaced apart from each other by front panel 14 and rear panel 16 a bottom panel 22 and a top cover 24 within cabinet 12 is a drum or container 26 mounted for rotation around a substantially horizontal axis a motor 44 rotates drum 26 about the horizontal axis through a pulley 43 and a belt 45 drum 26 is generally cylindrical in shape having an imperforate outer cylindrical wall 28 and a front flange or wall 30 defining an opening 32 to drum.