speed of a washing machine tub to minimize washing machine vibration the washing machine uses an accelerometer to sense machine vibration a computer software program monitors records and compares machine vibrations over a range of rotational speeds to determine a rotational speed which minimizes machine vibration application_number US 99732197 A description the present invention will be described as it applies to its preferred embodiment it is not intended that the present invention be limited to the described embodiment it is intended that the invention cover all alternatives modifications and equivalents which may be included within the spirit and scope of the invention fig1 shows a clothes washing machine 10 having a tub 12 mounted within an enclosure 14 a multi direction vibration absorber 16 is mounted inside the front door 18 adjacent the tub 12 to practice the invention it is important that the tub 12 be capable of rotating at different speeds thus a variable speed motor not shown is provided to rotate the tub 12 although fig1 shows a horizontal axis washing machine the present invention is also suitable for use with conventional vertical axis washing machines the multi direction vibration absorber 16 is tuned to vibrate in response to certain frequencies the vibration absorber 16 comprises generally a mass suspended in the door 18 by.