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US 2021/0330909 A1Published application
Blower for breathing apparatus
AssigneeFisher & Paykel Healthcare Limited
InventorsDonald Roy Kuriger, Johannes Nicolaas Bothma
Life of this patent
Estimating the term…
Abstract
This invention relates to a blower for a breathing apparatus. The blower comprising a bottom support with a stub axle, a top support with a stub axle, a motor core comprising a motor stator and rotor, and an impeller coupled to the motor core via a shaft, the shaft is rotatably coupled at a first end to the stub axle on the top support and at a second end via the stub axle on the bottom support.
Claims21
(canceled)
A blower for a breathing apparatus comprising:
- a housing comprising:
- a bottom support, and
- a top support;
- a motor core comprising a stator and a rotor;
- an impeller coupled to the motor core via a shaft;
- wherein a first end of the shaft is rotatably coupled to the top support via a first stub axle and first bearing arrangement and a second end of the shaft is rotatably coupled to the bottom support via a second stub axle and second bearing arrangement;
- and
- wherein the shaft is at least partially hollow.
5 more elements
A blower for a breathing apparatus comprising:
- a housing comprising:
- a bottom support, and
- a top support;
- a motor core comprising a stator and a rotor;
- an impeller coupled to the motor core via a shaft;
- wherein a first end of the shaft is rotatably coupled to the top support via a first stub axle and first bearing arrangement and a second end of the shaft is rotatably coupled to the bottom support via a second stub axle and second bearing arrangement
- wherein the shaft is configured to rotate relative to the top support and the bottom support;
- and
- wherein the shaft is at least partially hollow.
6 more elements
Dependencies are inferred from the claim text.