Is a
Patent attributes
Patent Applicant
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Kaname Maruyama0
Masahito Higashida0
Ryuusuke Ohtaguro0
Date of Patent
April 9, 2024
0Patent Application Number
177050720
Date Filed
March 25, 2022
0Patent Citations
Patent Primary Examiner
Patent abstract
A turbofan includes a circular end plate, a ring-shaped shroud facing the end plate, and a plurality of blade members disposed between the end plate and the shroud. An annular portion of a space between the end plate and the shroud where the blade members are disposed is a pressure-increase flow path. The turbofan causes air to flow from an inner peripheral side to an outer peripheral side of the pressure-increase flow path. A cross-sectional area of the pressure-increase flow path increases gradually from an upstream end toward a downstream end of the pressure-increase flow path.
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