Blower
AssigneeMakita Corporation
InventorsAkira OJIMA, Fumitoshi NUMATA
Life of this patent
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Abstract
A blower includes a motor, a plurality of fans coaxially arranged in multiple stages, a housing having an inlet opening and a discharge opening, and a battery mounting part to which a battery is removably mountable. A rotational speed of the motor is within a range of 50,000 rpm to 120,000 rpm. A diameter of each of the fans is within a range of 30 mm to 70 mm. An area of the discharge opening is within a range of not less than an area of a circle having a diameter of 2.5 mm and not more than an area of a circle having a diameter of 10 mm. A blowing force of air discharged through the discharge opening is within a range of 1 N to 3 N.
Claims15
A blower, comprising:
- a motor;
- a plurality of fans coaxially arranged in multiple stages and configured to compress and blow air by rotating around a specified rotational axis when the motor is driven;
- a housing that houses the motor and the fans, the housing having an inlet opening through which the air is sucked into the housing and a discharge opening through which the air compressed and blown by the fans is discharged;
- and
- a battery mounting part to which a battery for supplying power to the motor is removably mountable,
- wherein:
- a rotational speed of the motor is within a range of 50,000 rpm to 120,000 rpm,
- a diameter of each of the fans is within a range of 30 mm to 70 mm,
- an area of the discharge opening is within a range of not less than an area of a circle having a diameter of 2.5 mm and not more than an area of a circle having a diameter of 10 mm, and
- a blowing force of the air discharged through the discharge opening is within a range of 1 N to 3 N.
Dependencies are inferred from the claim text.