Patent ID: 8485499

Claim:
Drive device for the adjustment of an actuating element of a throttle, valve, connection device, or dosage feed device in the production of oil or gas, the drive device comprising: a circulation body including fluid flow therethrough; at least one motor disposed within the circulation body; at least one spindle drive disposed within the circulation body and movably connected to the actuating element to adjust the fluid flow therethrough; a gear unit disposed within the circulation body and arranged between the spindle drive and the at least one motor, the gear unit including: a reduction gear connected to the spindle drive; and a spur gear including a first spur gear wheel directly connected to the reduction gear and a second spur gear wheel connected to the at least one motor; and wherein a helix angle of the tooth arrangement of the first and/or second spur gear wheel lies in the range from 65 degrees to 85 degrees.