US Patent 11333166 Propeller fan and refrigeration cycle apparatus
Patent 11333166 was granted and assigned to Mitsubishi Electric Corporation on May, 2022 by the United States Patent and Trademark Office.
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Edits on 24 Apr, 2024
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Edits on 16 Oct, 2023
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Patent Inventor Names
Katsuyuki Yamamoto0
Seiji Nakashima0
Edits on 26 Sep, 2022
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Infobox
Is a
Patent Applicant
Current Assignee
Patent Jurisdiction
Patent Number
113331660
Date of Patent
May 17, 2022
0Patent Application Number
164965440
Date Filed
May 25, 2017
0Patent Primary Examiner
Edits on 19 May, 2022
Golden AI
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Article (+542 characters)
US Patent 11333166 Propeller fan and refrigeration cycle apparatus
Article
A propeller fan includes a rotary shaft portion that rotates around an axial center and a plurality of blades disposed around an outer circumferential portion of the rotary shaft portion. Each of the plurality of blades has at least one recessed portion that opens at a trailing edge of the blade. The at least one recessed portion has a first side that is close to an inner circumference of the blade. The first side stretches from the trailing edge toward a leading edge of the blade, and is bent toward an outer circumference of the blade.
Infobox
Is a
Patent applicant
Current assignee
Patent jurisdiction
Patent number
11333166
Date of patent
May 17, 2022
Patent application number
16496544
Date Filed
May 25, 2017
Patent primary examiner
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