Blowers

Abstract

A blower is provided. The blower includes a blower housing defining an air inlet and an air outlet opposite the air inlet and a blower tube removably coupled to the air outlet of the blower housing. At least a portion of the blower housing and the blower tube define an airflow conduit. The blower housing includes a motor, a fan, a stator adjacent the fan, and a plurality of guide members. The plurality of guide members extends from an interior surface of the blower housing and are configured to engage the stator.

What is claimed is: 
     
         1 . A blower, comprising:
 a blower housing defining an air inlet and an air outlet opposite the air inlet, the blower housing comprising:   a motor,   a fan,   a stator adjacent the fan, and   a plurality of guide members extending from an interior surface of the blower housing and configured to engage the stator; and   a blower tube removably coupled to the air outlet of the blower housing, at least a portion of the blower housing and the blower tube defining an airflow conduit.   
     
     
         2 . The blower of  claim 1 , wherein each of the plurality of guide members comprise:
 a receptacle configured to receive a portion of the stator;   a first elongated rib extending from the receptacle; and   a second elongated rib extending from the receptacle opposite the first elongated rib.   
     
     
         3 . The blower of  claim 2 , wherein:
 the stator includes one or more grommets coupled to an exterior portion of the stator; and   the receptacle of each of the plurality of guide members is configured to receive the one or more grommets.   
     
     
         4 . The blower of  claim 1 , wherein the plurality of guide members comprise:
 at least one first guide member adjacent a first side of the blower housing; and   at least one second guide member adjacent a second side of the blower housing opposite the first side.   
     
     
         5 . The blower of  claim 1 , wherein the stator comprises:
 two or more grommets coupled to an exterior surface of the stator; and   a plurality of stator ribs extending from the exterior surface of the stator adjacent the two or more grommets.   
     
     
         6 . The blower of  claim 5 , wherein the two or more grommets comprise:
 at least one first grommet adjacent a first side of the stator; and   at least one second grommet adjacent a second side of the stator opposite the first side.   
     
     
         7 . The blower of  claim 1 , wherein:
 the blower housing comprises:
 a secondary airflow inlet, 
 an airflow vent opposite the secondary airflow inlet and adjacent the air outlet, and 
 a cooling pathway between the secondary airflow inlet and the airflow vent, the cooling pathway separate from the airflow conduit; and 
   the blower further comprises:
 control electronics disposed in the cooling pathway and configured to control the motor and the fan, 
 wherein air entering the cooling pathway through the secondary airflow inlet is configured to cool the control electronic and exit the blower housing through the airflow vent. 
   
     
     
         8 . The blower of  claim 1 , further comprising:
 an inlet grate coupled to the air inlet;   wherein the inlet grate defines a plurality of openings; and   wherein the plurality of openings taper from a first side of the inlet grate to a second side of the inlet grate opposite the first side.   
     
     
         9 . The blower of  claim 1 , further comprising:
 a grounding washer coupled to an end of the motor adjacent the air outlet; and   wherein the grounding washer comprises a sinusoidal shape.   
     
     
         10 . The blower of  claim 1 , further comprising:
 a handle coupled to the blower housing; and   a grounding wire disposed in the handle.   
     
     
         11 . The blower of  claim 1 , further comprising:
 a power source removably coupled to the blower housing and electrically coupled to the motor;   wherein the power source comprises at least one battery.   
     
     
         12 . A blower, comprising:
 a blower housing defining an air inlet and an air outlet opposite the air inlet; and   a blower tube extending between a first end and a second end, the blower tube comprising:
 an inner wall extending from the first end to the second end, and 
 an outer wall extending from the first end of the inner wall, wherein the outer wall and the first end of the inner wall are removably coupled to the air outlet of the blower housing. 
   
     
     
         13 . The blower of  claim 12 , wherein
 a first portion of the outer wall extends from the first end of the outer wall at an angle;   a second portion of the outer wall extends from the first portion parallel to the inner wall; and   an interior surface of the second portion of the outer wall is configured to cover an exterior surface of the blower housing adjacent the air outlet.   
     
     
         14 . The blower of  claim 12 , wherein at least a portion of the outer wall is concentric with the first end of the inner wall. 
     
     
         15 . The blower of  claim 12 , wherein:
 at least a portion of an exterior surface of the blower tube includes a plurality of threads adjacent the second end; and   the blower further comprises at least one tool attachment configured to be removably coupled to the second end of blower tube via the plurality of threads.   
     
     
         16 . The blower of  claim 12 , wherein:
 the blower housing comprises a protrusion extending from an exterior surface of the blower housing adjacent the air outlet;   the blower tube comprises a fastener configured to engage the protrusion and secure the blower tube to the blower housing;   the fastener comprises a lever coupled to the blower tube via a rod, the lever extending between a first end and a second end and rotatable about the rod;   a biasing member adjacent the second end biases the lever between an engaged position and a disengaged position; and   the first end of the lever engages the protrusion of the blower housing in the engaged position.   
     
     
         17 . The blower of  claim 12 , wherein:
 the blower tube comprises an extension extending from the first end of the blower tube;   the blower housing comprises a notch adjacent the air outlet, the notch configured to receive the extension of the blower tube;   the extension extends from the outer wall of the blower tube; and   the extension comprises a substantially flat surface.   
     
     
         18 . A blower, comprising:
 a blower housing defining an air inlet, an air outlet, and an airflow conduit between the air inlet and the air outlet;   a fan within the blower housing;   a stator within the blower housing adjacent the fan; and   at least one liner within the blower housing between the stator and the air outlet, wherein the at least one liner is formed from a damper material.   
     
     
         19 . The blower of  claim 18 , wherein the at least one liner is coupled to an interior surface of the blower housing and defines at least a portion of the airflow conduit. 
     
     
         20 . The blower of  claim 18 , wherein:
 the at least one liner comprises a first liner; and   the blower further comprises a second liner within the blower housing between the air inlet and the fan, the second liner formed from the damper material.