Electric tool

A power tool includes a power source, a motor, and a power switching network coupled between the power source and the motor. The power switching network includes a plurality of switches. The heat sink is in heat transfer relationship with the plurality of switches. The heat sink includes a high emis...

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Bibliographische Detailangaben
1. Verfasser:	HARTIG, SAM, L., JR
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	BASIC ELECTRIC ELEMENTS CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS COMBINATION OR MULTI-PURPOSE TOOLS NOT OTHERWISE PROVIDEDFOR DETAILS OR COMPONENTS OF PORTABLE POWER-DRIVEN TOOLS NOTPARTICULARLY RELATED TO THE OPERATIONS PERFORMED AND NOTOTHERWISE PROVIDED FOR ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR ELECTRICITY HAND TOOLS MANIPULATORS MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS PERFORMING OPERATIONS PORTABLE POWER-DRIVEN TOOLS PRINTED CIRCUITS SEMICONDUCTOR DEVICES TRANSPORTING
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Beschreibung
Zusammenfassung:	A power tool includes a power source, a motor, and a power switching network coupled between the power source and the motor. The power switching network includes a plurality of switches. The heat sink is in heat transfer relationship with the plurality of switches. The heat sink includes a high emissivity material having an emissivity greater than or equal to 0.1 and/or has a high emissivity machined surface to increase the emissivity of the heat sink. 一种电动工具，包括电源、电动机和联接在电源和电动机之间的电力开关网络。电力开关网络包括多个开关。散热器与多个开关处于热传递关系。散热器包括具有大于或等于0.1的发射率的高发射率材料和/或具有高发射率加工表面以增加散热器的发射率。