Direct drive high torque compact synchronous motor
AssigneeMotor Kinetics, Inc.
InventorsAlexander D. Kiderman, John Howison Schroeder, Thomas C. Joos
Life of this patent
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Abstract
A synchronous motor includes a housing 20, a stator assembly 30 mounted within the housing 20, a rotor assembly 40 rotationally mounted within the housing 20, a rotor shaft 50 having an upper mounting surface 52 attached to the rotor assembly 40, a bearing assembly 60 coupled to the housing 20 and positioned axially between the rotor assembly 40 and the upper mounting surface 52, a slip ring assembly 70 supported by the housing 20 and positioned axially at least partially within the stator assembly 30 and the rotor assembly 40, and an encoder assembly 80 adjacent the slip ring assembly 70.
Claims18
A synchronous motor (10, 110) comprises:
- a housing (20, 120);
- a stator assembly (30, 130) mounted within the housing (20, 120);
- a rotor assembly (40, 140) rotationally mounted within the housing (20, 120);
- a rotor shaft (50, 150) having an upper mounting surface (52, 152) and attached to the rotor assembly (40, 140);
- a bearing assembly (60, 160) coupled to the housing (20, 120) and the rotor shaft (50, 150), wherein the bearing assembly (60, 160) is positioned axially between the rotor assembly (40, 140) and the upper mounting surface (52, 152);
- a slip ring assembly (70, 170) supported by the housing (20, 120) and positioned axially at least partially within the stator assembly (30, 130) and the rotor assembly (40, 140);
- and
- an encoder assembly (80, 180) adjacent the slip ring assembly (70, 170), wherein the outer diameter of the motor (10, 110) is no greater than about 24″ and a height of the motor (10, 110) is less than about 20″.
A synchronous motor (10, 110) comprises:
- a housing (20, 120);
- a stator assembly (30, 130) mounted within the housing (20, 120);
- a rotor assembly (40, 140) rotationally mounted within the housing (20, 120);
- a rotor shaft (50, 150) having an upper mounting surface (52, 152) attached to the rotor assembly (40, 140);
- a bearing assembly (60, 160) coupled to the housing (20, 120) and to the rotor shaft (50, 150), wherein the bearing assembly (60, 160) is positioned axially between the rotor assembly (40, 140) and the upper mounting surface (52, 152);
- a slip ring assembly (70, 170) supported by the housing (20, 120) and positioned axially at least partially within the stator assembly (30, 130) and the rotor assembly (40, 140);
- and
- a circulatory fluid cooling system (27, 28) which is driven by the rotor assembly (40, 140) for circulating cooling fluid through the motor.
A direct drive, synchronous motor (10, 110) comprises:
- a housing (20, 120) having pivot posts (29) extending there from for pivotally mounting the motor (10, 110);
- a stator assembly (30, 130) mounted within the housing (20, 120);
- a rotor assembly (40, 140) rotationally mounted within the housing (20, 120);
- a rotor shaft (50, 150) having an upper mounting surface (52, 152) attached to the rotor assembly (40, 140);
- a bearing assembly (60, 160) coupled to the housing (20, 120) and to the rotor shaft (50, 150), the bearing assembly (60, 160) positioned axially between the rotor assembly (40, 140) and the upper mounting surface (52, 152);
- and
- a slip ring assembly (70, 170) supported by the housing (20, 120) and positioned axially at least partially within the stator assembly (30, 130) and the rotor assembly (40, 140), wherein a vestibular testing chair is mounted to the mounting surface (52, 152) and wherein the motor (10, 110) has a torque output of at least up to 340 Ft-lbs.
Dependencies are inferred from the claim text.