SVENNUNG, JOHAN,BERGQUIST, OSKAR,RIEF, JOACHIM,RUDOLF, PETER
申请号：
EP11871729
公开号：
EP2747949A4
申请日:
2011.08.26
申请国别(地区):
EP
年份:
2015
代理人:
摘要：
A portable handheld power tool is provided, the power tool comprising a housing (10), an electric motor (11) accommodated in the housing (10), a battery pack (12) detachably connected to the housing, and a cooling fan (14) accommodated in the housing, the cooling fan (14) having a fan wheel (14a) and a plurality of blades (14b). The cooling fan (14) is arranged to generate a flow of air through an air current channel defined by the housing and components therein, which air current channel guides the flow of air such that it passes by the motor (11) and through the battery pack (12), so as to cool the motor (11) and the battery pack (12).
