公开(公告)号：US11817073B2

公开(公告)日：2023-11-14

申请号：US17148114

申请日：2021-01-13

Applicant: TECHTRONIC CORDLESS GP

Inventor： Ronald J. Hoffman ,  Scott W. Reed ,  Ashley B. Amick, Jr.

IPC: G10K11/162

CPC classification number: G10K11/162

Abstract: A power tool including an air inlet and an inlet muffler disposed within the air inlet, the inlet muffler comprising a plurality of inlet ports, each of the plurality of inlet ports comprising a peripheral surface defining a port aperture therethrough, at least one of the plurality of inlet ports further comprising a damper material provided on the peripheral surface of the at least one inlet port and further defining the port aperture therethrough.

公开(公告)号：US11434929B2

公开(公告)日：2022-09-06

申请号：US16938211

申请日：2020-07-24

Applicant: TECHTRONiC CORDLESS GP

Inventor： Ronald J. Hoffman ,  Scott W. Reed ,  Ashley B. Amick, Jr.

IPC: F04D29/66 ,  F04D19/00 ,  F04D25/06

Abstract: Blowers having noise reduction features are provided. A blower may include a main body defining an airflow path therethrough, the main body extending between and defining an inlet end and an outlet end. The blower may further include an inlet muffler provided at the inlet end. The inlet muffler includes a plurality of inlet ports, each of the plurality of inlet ports including a peripheral surface defining a port aperture therethrough. At least one of the plurality of inlet ports further includes a damper material provided on the peripheral surface of the at least one inlet port and further defining the port aperture therethrough.

公开(公告)号：US12288544B2

公开(公告)日：2025-04-29

申请号：US18372288

申请日：2023-09-25

Applicant: TECHTRONIC CORDLESS GP

Inventor： Ronald J. Hoffman ,  Scott W. Reed ,  Ashley B. Amick, Jr.

IPC: G10K11/162

Abstract: A power tool including an air inlet and an inlet muffler disposed within the air inlet, the inlet muffler comprising a plurality of inlet ports, each of the plurality of inlet ports comprising a peripheral surface defining a port aperture therethrough, at least one of the plurality of inlet ports further comprising a damper material provided on the peripheral surface of the at least one inlet port and further defining the port aperture therethrough.

公开(公告)号：US11841023B2

公开(公告)日：2023-12-12

申请号：US17848062

申请日：2022-06-23

Applicant: TECHTRONIC CORDLESS GP

Inventor： Ronald J. Hoffman ,  Scott W. Reed ,  Ashley B. Amick, Jr.

IPC: F04D29/66 ,  F04D19/00 ,  F04D25/06

CPC classification number: F04D29/663 ,  F04D19/002 ,  F04D25/0606

Abstract: Blowers having noise reduction features are provided. A blower may include a main body defining an airflow path therethrough, the main body extending between and defining an inlet end and an outlet end. The blower may further include an inlet muffler provided at the inlet end. The inlet muffler includes a plurality of inlet ports, each of the plurality of inlet ports including a peripheral surface defining a port aperture therethrough. At least one of the plurality of inlet ports further includes a damper material provided on the peripheral surface of the at least one inlet port and further defining the port aperture therethrough.