Abstract: A drum-type shearer loader for the extraction of mineral material in the mining sector, has at least one shearer drum (1), which is mounted rotatably on a pivotable support arm (2) and which is driven by a drive motor (4) arranged at an end of the support arm (2), in the region of a support arm head (3). A compact drive unit for all operating states is provided with the drive motor (4) in the form of a permanent-magnet-excited synchronous machine which, during operation of the shearer drum (1), provides the entire drive power required for rotating the shearer drum (1).

Abstract: The invention relates to a dryer with a housing and a drying chamber for objects to be dried, a process air duct, in which are located a heater for warming the process air and a first fan, a motor for driving the drying chamber, a heat exchanger and a cold air section in the process air duct or in a cooling air duct, with a motor cooling duct which branches off from the cold air section being able to apply cold air to the motor.

Abstract: The invention relates to a dryer with a housing and a drying chamber for objects to be dried, a process air duct, in which are located a heater for warming the process air and a first fan, a motor for driving the drying chamber, a heat exchanger and a cold air section in the process air duct or in a cooling air duct, with a motor cooling duct which branches off from the cold air section being able to apply cold air to the motor.