Valve control unit for an internal combustion engine

A valve unit for an internal combustion engine comprising:

• a valve body,
• a valve in said valve body, said valve being secured to a valve spindle which controls said valve,
• a control motor for operating said valve spindle to control said valve,
• a gear mechanism drivingly connecting said motor and thereby said valve spindle,
• a sensor unit for sensing position of said valve spindle and thereby of said valve, and
• a cover attachable on said valve body, said cover supporting a clutch element, controlling power supply to said control motor,
• said control motor including a motor shaft having one end extending in said cover, said cover supporting functional elements of said motor and including a bearing for supporting said one end of said motor shaft,
• said cover being mountable on said valve body to engage said bearing in said cover with said one end of said motor shaft and said bearing and to operatively assemble said motor with its said functional parts, said motor being a DC motor, said functional parts of said motor comprising brushes, said brushes being fixed in said cover, said motor including collector elements on said motor shaft, said collector elements engaging said brushes when said cover and said valve body are mounted together.