Patent ID: 9464640
Filing Date: 2016-10-11
CPC Classification: B08B,F04B,F04D,H02K

Claim Text:
1. A motor-pump unit for a high-pressure cleaning appliance, comprising an electric motor having a motor housing, on the outside of which a cooling channel is arranged, and comprising a pump driven by the electric motor and having a suction inlet for taking in liquid to be pressurized and a pressure outlet for discharging pressurized liquid, liquid to be pressurized being fed by way of the cooling channel to the suction inlet, wherein the motor housing comprises a first housing part and a second housing part, which are connectable to each other in a liquid-tight manner and between them form the cooling channel, wherein the first housing part and the second housing part further form between them a drainage channel which has at least one outlet opening and is arranged between the cooling channel and the electric motor, and wherein the at least one outlet opening of the drainage channel is adapted to guide liquid from the drainage channel to an exterior surrounding the motor housing so that the liquid is visible by a user.