公开(公告)号：US10227988B2

公开(公告)日：2019-03-12

申请号：US15108641

申请日：2015-11-27

Applicant: Positec Power Tools (Suzhou) Co., Ltd.

Inventor： Zhendong Gao ,  Andrea Cestonaro ,  Xiahong Zha ,  Fengli Zhao ,  Lixiang Huo ,  Xuefeng Yu ,  Kang Song ,  Zhanhu Ma

IPC: F04D19/00 ,  F04D29/52 ,  F04D29/54 ,  F04D25/06 ,  F04D29/32 ,  E01H1/08 ,  F04D25/08 ,  A01G20/47

Abstract: A blower, comprising: a housing comprising an air inlet, a motor disposed in the housing, an axial fan configured to be driven to rotate about a fan axis and generate an air flow by the motor, a blowing tube configured to be coupled to the housing and comprising an air outlet, a duct configured to guide the air flow to the air outlet, the housing and the blowing tube comprises an air passage which comprises an upstream region between the inlet and the axial fan and a downstream region between the axial fan and the air outlet, the motor is disposed in the upstream region and the duct is disposed in the downstream region.

公开(公告)号：US20170260985A1

公开(公告)日：2017-09-14

申请号：US15108641

申请日：2015-11-27

Applicant: Positec Power Tools (Suzhou) Co., Ltd.

Inventor： Zhendong Gao ,  Andrea Cestonro ,  Xiahong Zha ,  Fengli Zhao ,  Lixiang Huo ,  Xuefeng Yu ,  Kang Song ,  Zhanhu Ma

IPC: F04D19/00 ,  F04D29/52 ,  F04D29/54 ,  F04D25/06 ,  F04D29/32

CPC classification number: F04D19/005 ,  A01G20/47 ,  E01H1/0809 ,  F04D19/002 ,  F04D25/06 ,  F04D25/084 ,  F04D29/325 ,  F04D29/326 ,  F04D29/522 ,  F04D29/545

Abstract: A blower, comprising: a housing comprising an air inlet, a motor disposed in the housing, an axial fan configured to be driven to rotate about a fan axis and generate an air flow by the motor, a blowing tube configured to be coupled to the housing and comprising an air outlet, a duct configured to guide the air flow to the air outlet, the housing and the blowing tube comprises an air passage which comprises an upstream region between the inlet and the axial fan and a downstream region between the axial fan and the air outlet, the motor is disposed in the upstream region and the duct is disposed in the downstream region.

公开(公告)号：US20190162192A1

公开(公告)日：2019-05-30

申请号：US16264860

申请日：2019-02-01

Applicant: Positec Power Tools (Suzhou) Co., Ltd.

Inventor： Zhendong Gao ,  Andrea Cestonaro ,  Xiahong Zha ,  Fengli Zhao ,  Lixiang Huo ,  Xuefeng Yu ,  Kang Song ,  Zhanhu Ma

IPC: F04D19/00 ,  A01G20/47 ,  F04D29/32 ,  F04D29/54 ,  F04D29/52 ,  F04D25/08 ,  E01H1/08 ,  F04D25/06

Abstract: A blower includes a housing having an air inlet; a motor; an axial fan, driven by the motor to rotate along a fan axis and generate air flow, and the axial fan comprising a hub and impeller; a blowing tube, comprising an air outlet for the air exiting; and a duct, comprising a guiding cone which is located between the axial fan and the air outlet, and used for guiding the air flow generated by the axial fan to move to the air outlet, wherein a size of the motor is configured in a manner that the motor cannot be contained in the guiding cone, the housing and the blowing tube are internally provided with an air passage, the motor is completely contained in the air passage of the housing, and the motor and the duct are located on two opposite sides of the axial fan.

公开(公告)号：US11180204B2

公开(公告)日：2021-11-23

申请号：US16171409

申请日：2018-10-26

Applicant: Positec Power Tools (Suzhou) Co., Ltd.

Inventor： Yuanzhong Ran ,  Kang Song

IPC: B62D55/065 ,  B62D55/30 ,  B62D55/24 ,  A01D34/835

Abstract: A track-type moving device having one or more track mechanisms. The track mechanism may include a guide wheel, a driving wheel, a track, and/or a tensioning mechanism. The tensioning mechanism may include an adjusting member and/or an elastic member. The elastic member may provide a driving force that enables the adjusting member to move.

公开(公告)号：US20190118877A1

公开(公告)日：2019-04-25

申请号：US16171409

申请日：2018-10-26

Applicant: Positec Power Tools (Suzhou) Co., Ltd.

Inventor： Yuanzhong Ran ,  Kang Song

IPC: B62D55/065 ,  B62D55/24 ,  B62D55/30

Abstract: Embodiments of the present invention discloses a track mechanism, including a base; a driving wheel, disposed on the base rotatably; a guide wheel, configured to support the base together with the driving wheel and disposed movably relative to the base; a track, wound around the driving wheel and the guide wheel for a circle, to perform rotary motion around the driving wheel and the guide wheel; and a tensioning mechanism, including an adjusting member connected to the guide wheel to change a position of the guide wheel and an elastic member located between the adjusting member and the base, the elastic member provides a driving force that enables the adjusting member to move, and the adjusting member drives the guide wheel to move and tension the track.