Invention Grant
- Patent Title: Blower
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Application No.: US17085664Application Date: 2020-10-30
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Publication No.: US11326610B2Publication Date: 2022-05-10
- Inventor: Shinsuke Naka , Ryoji Zama
- Applicant: Makita Corporation
- Applicant Address: JP Anjo
- Assignee: Makita Corporation
- Current Assignee: Makita Corporation
- Current Assignee Address: JP Anjo
- Agency: Sughrue Mion, PLLC
- Priority: JPJP2019-207434 20191115
- Main IPC: F04D25/08
- IPC: F04D25/08 ; F04D29/44 ; F04D29/42

Abstract:
A blower may include a motor; a centrifugal fan configured to rotate with rotation of the motor; a casing configured to guide air from a suction port to a discharge port; a trigger configured to be pressed; and a control board configured to control rotation of the motor. The control board may include a normal mode and a low speed mode. In the normal mode, the control board may be configured to adjust a rotation speed of the motor in accordance with a degree by which the trigger is pressed. In the low speed mode, the control board may be configured to adjust the rotation speed of the motor to a target rotation speed, wherein the target rotation speed is lower than a maximum rotation speed of the motor that is achieved when the degree by which the trigger is pressed is a maximum degree in the normal mode.
Public/Granted literature
- US20210148372A1 BLOWER Public/Granted day:2021-05-20
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