Method for starting a rotor of a claw pole motor
AssigneeBühler Motor GmbH
InventorsIgor Pepelyaev, Sören Rebel, Tobias Roth, Thomas Peterreins
Life of this patent
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Abstract
A method for starting up a rotor of a single-phase claw-pole motor, wherein the claw-pole motor comprises a permanently excited rotor which executes a movement in a running direction in nominal operation, an electronically commutated stator and a Hall sensor for determining the relative rotor position, wherein the method comprises the steps of generating a pulse for moving the rotor in the direction opposite to the running direction by energizing a stator winding on the basis of an inverted Hall sensor signal; and starting up the rotor for movement in the running direction by energizing a stator winding on the basis of a Hall sensor signal.
Claims7
A method for starting up a rotor of a single-phase claw-pole motor to correct an incorrect start-up, wherein the claw-pole motor comprises a permanently excited rotor which executes a movement in a running direction in nominal operation, an electronically commutated stator and a Hall sensor for determining the relative rotor position, wherein the method comprises the steps of:
- a. generating a pulse for moving the rotor in the direction opposite to the running direction by energizing a stator winding on the basis of an inverted Hall sensor signal;
- and
- b. starting up the rotor for movement in the running direction by energizing a stator winding on the basis of a Hall sensor signal,
- wherein in the event that the start-up is interrupted for a prespecified period of time during or immediately after the generation of the pulse for movement of the rotor in the direction opposite to the running direction, a second pulse is generated for moving the rotor in the direction opposite to the running direction for a prespecified period of time.
Dependencies are inferred from the claim text.