Patent ID: 8689397

Claim:
Vacuum cleaner ( 1 ) comprising a housing ( 2 ) being separated in at least a dust compartment ( 4 ) and a motor compartment ( 6 ), the vacuum cleaner ( 1 ) also comprises a motor ( 7 ) located in the motor compartment ( 6 ) and an air guide ( 8 ) between the dust compartment ( 4 ) and the motor ( 7 ), wherein the motor ( 7 ) is suspended in the motor compartment ( 6 ) by a suspension system comprising at least one spring ( 23 ), wherein the natural frequency of the suspension system including the motor is at least 3 times lower than the excitation frequency of the motor ( 7 ) whilst the spring ( 23 ) has a damping less than 1%, the values for the suspension system being valid in all six degrees of freedom of displacement.