BLOWER

原文（中国語）

A blower including: a passageway for directing airflow from an air inlet to a front end of the blower, the passageway having a variable length; a motor disposed in the passageway and operably coupled to a fan, a handle disposed below the passageway, wherein the handle comprises a trigger that receives a user input and a sensor that detects a position of the trigger; and a control circuitry in communication with the motor and the sensor, wherein the control circuitry controls a speed of the motor based on information from the sensor, wherein the length of the passageway between the air inlet and air outlet is greater than or equal to 12 inches.