Elevator machine with recessed bearings
AssigneeOtis Elevator Company
InventorsZlatko Strbuncelj, James L. Hubbard, Zbigniew Piech, Martin J. Hardesty, Glen Levenson
Life of this patent
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Abstract
Embodiments are directed reducing the size of an elevator machine by establishing an envelope associated with a sheave of the machine, and recessing at least one bearing associated with the machine at least partially within the envelope. Embodiments are directed to an elevator machine comprising a motor, a sheave, and a plurality of bearings recessed at least partially within an envelope of at least one of the motor and sheave.
Claims11
A method for reducing the size of an elevator machine, comprising:
- establishing an envelope associated with a sheave of the machine;
- and
- recessing at least one bearing associated with the machine at least partially within the envelope.
An elevator machine comprising:
- a motor;
- a sheave;
- and
- a plurality of bearings recessed at least partially within an envelope of at least one of the motor and sheave.
A method for reducing the size of a machine, comprising:
- establishing an envelope associated with a stator of a motor;
- and
- recessing at least one bearing associated with the machine at least partially within the envelope.
An apparatus comprising:
- a motor comprising a stator;
- and
- a bearing recessed at least partially within an envelope of the stator.
Dependencies are inferred from the claim text.