Backpack power tool with a drive motor and a blower driven by the drive motor

A backpack power tool has a backpack frame (3) that comprises a back plate (4) and a bottom plate (5). The bottom plate (5) comprises at least one hole through which working air is sucked by the blower (13) of the power tool from the bottom side (36) of the bottom plate (5) to the top side (35) of t...

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Bibliographic Details
Main Authors FLORIAN VON KRANE, CHRISTIAN BARTH, KIRSTEN SCHELLIN, CORNELIUS GINDELE
Format Patent
LanguageChinese
English
Published 03.11.2017
Subjects
BLASTING
CLEANING BEACHES
CLEANING OF PERMANENT WAYS
CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
DISPERSING
FIXED CONSTRUCTIONS
FOG IN GENERAL
HEATING
LIGHTING
MECHANICAL ENGINEERING
NON-POSITIVE DISPLACEMENT PUMPS
POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS
PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
STREET CLEANING
WEAPONS
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Summary:A backpack power tool has a backpack frame (3) that comprises a back plate (4) and a bottom plate (5). The bottom plate (5) comprises at least one hole through which working air is sucked by the blower (13) of the power tool from the bottom side (36) of the bottom plate (5) to the top side (35) of the bottom plate (5). Ribs (33, 34) extend on the bottom side (36) of the bottom plate (5) and have adhering faces (40) for sucked leaves at end sides (39) opposite to the top side (35). At least one inhalation hole (30) is arranged on the bottom side (36) of the bottom plate (5). Work airflow is sucked into the at least one hole by the blower (13) via the inhalation hole from an ambient enviroment. The at least one inhalation hole (30) is arranged between the end sides (39) of the ribs (33, 34) in the adhering faces and is connected with the at least one hole via a flow connection at the adhering faces (40) and facing the side of the blower (13). The power tool has an inhalation surface which is a total of the surf
Bibliography:Application Number: CN201710287558