Invention Grant
- Patent Title: Fan unit with improved surge characteristics
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Application No.: US17129650Application Date: 2020-12-21
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Publication No.: US11623056B2Publication Date: 2023-04-11
- Inventor: Johannes Nicolaas Bothma
- Applicant: Fisher & Paykel Healthcare Limited
- Applicant Address: NZ Auckland
- Assignee: Fisher & Paykel Healthcare Limited
- Current Assignee: Fisher & Paykel Healthcare Limited
- Current Assignee Address: NZ Auckland
- Agency: Knobbe Martens Olson and Bear, LLP
- Main IPC: A61M16/00
- IPC: A61M16/00 ; A61M16/16 ; F04D29/42 ; F04D29/44 ; A61M16/10 ; F04D25/06 ; F04D29/08 ; F04D29/28
Abstract:
A fan unit that forms part of a gases supply unit used as part of a breathing assistance system for providing heated gases to a user. The fan has an impeller surrounded by an upwardly sloped surface to facilitate improved airflow performance under surge conditions.
Public/Granted literature
- US20210196912A1 FAN UNIT WITH IMPROVED SURGE CHARACTERISTICS Public/Granted day:2021-07-01
Information query
IPC分类:
