Patent ID: 9379596
Filing Date: 2016-06-28
CPC Classification: A01D,H02K

Claim Text:
1. A work apparatus comprising: a work tool; a transmission; an electric drive motor for rotatably driving said work tool via said transmission; a motor housing defining a flow path for conducting a cooling airflow therealong and a motor housing interior; said drive motor being mounted in said motor housing and having a coil and a commutator assembly including a commutator and brushes; a fan wheel driven by said drive motor and said fan wheel being configured to move said cooling airflow over said coil and said commutator assembly during operation; said motor housing having an end face and an exit opening for passing said cooling airflow out from said motor housing; said exit opening being arranged in said flow path downstream of said commutator assembly; a transmission housing defining a transmission housing interior; said electric drive motor having a drive shaft projecting out of said motor housing at said end face; said motor housing having a wall arranged at said end face separating said motor housing interior from said transmission housing interior; said motor housing being configured to be closed off toward said transmission housing at said end face; a flow connection connecting said motor housing to said transmission housing and configured to conduct at least a portion of said cooling airflow into said transmission housing; and, said transmission being arranged in said cooling airflow through said transmission housing.