| 摘要 |
A portable power tool including a housing (10) intended for manual support of the tool and formed with an inner surface (29), and a motor (11) is supported in the housing (10) and having a stator (22) surrounded by the inner surface (29) of the housing (10) leaving a space (30) wherein at least one heat screening shell (32;52) is provided to retard heat transfer between the motor (11) and the housing (10). Each heat screening shell (32;52) comprises preferably a thin sheet metal element which in itself has no heat insulating properties. <IMAGE> |
