Invention Grant
- Patent Title: Blowers with variable nozzles
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Application No.: US17520578Application Date: 2021-11-05
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Publication No.: US11668311B2Publication Date: 2023-06-06
- Inventor: Hang Man Cho , Michael Coltharp , Dong Heon Han , Peter Kaminski , Graham Langford , Peyton Lee
- Applicant: TECHTRONIC CORDLESS GP
- Applicant Address: US SC Anderson
- Assignee: Techtronic Cordless GP
- Current Assignee: Techtronic Cordless GP
- Current Assignee Address: US SC Anderson
- Agency: Dority & Manning, P.A.
- Main IPC: A01G20/47
- IPC: A01G20/47 ; F04D27/00 ; F04D29/40

Abstract:
Blowers with variable nozzles are provided. A blower includes a fan, and a main body housing the fan, the main body defining an airflow path extending between an inlet end and an outlet end. A blower further includes a variable nozzle disposed at the outlet end. The variable nozzle includes an attachment collar, the attachment collar comprising a body defining an exterior surface and an interior surface and extending along a longitudinal axis. The variable nozzle further includes a plurality of air control bodies, each of the plurality of air control bodies movably connected to the attachment collar and comprising an air control surface and an extension rod. The variable nozzle further includes an adjustment collar, the adjustment collar disposed around the attachment collar and defining a plurality of adjustment channels, wherein each of the plurality of extension rods is disposed in one of the plurality of adjustment channels.
Public/Granted literature
- US20230147771A1 BLOWERS WITH VARIABLE NOZZLES Public/Granted day:2023-05-11
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