| CPC A47L 9/16 (2013.01) [A47L 9/22 (2013.01); A47L 9/2836 (2013.01); A47L 9/2805 (2013.01); A47L 2201/00 (2013.01)] | 9 Claims |
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1. A cleaner comprising:
a suction unit provided inside a body,
wherein the suction unit comprises:
an impeller configured to suction air by rotating about a shaft,
a driving unit connected to the shaft to provide a driving force to the shaft to rotate the impeller, and
a diffuser configured to guide air discharged from the impeller,
wherein the impeller comprises:
a hub, and
a blade disposed on the hub, and provided with a leading edge disposed in an upstream side in a direction in which air introduced into the suction unit flows and a trailing edge disposed in a downstream side in the direction in which the air introduced into the suction unit flows,
wherein the leading edge of the blade forms an inclination of 60 degrees or more and 80 degrees or less with respect to an axial direction,
wherein the driving unit comprises:
a magnet configured to create a magnetic field,
a brush configured to supply electricity, and
a housing,
wherein the housing comprises:
a magnet accommodating portion accommodating the magnet, and
a brush accommodating portion accommodating the brush and protruding from both sides of a lower portion of the magnet accommodating portion, and
wherein the diffuser comprises:
a first diffuser on which the impeller is seated, and
a second diffuser coupled to the first diffuser in the axial direction.
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