Invention Grant
- Patent Title: Reversible flow fan
-
Application No.: US15716018Application Date: 2017-09-26
-
Publication No.: US10662973B2Publication Date: 2020-05-26
- Inventor: Yoshihisa Yamazaki
- Applicant: SANYO DENKI CO., LTD.
- Applicant Address: JP Tokyo
- Assignee: SANYO DENKI CO., LTD.
- Current Assignee: SANYO DENKI CO., LTD.
- Current Assignee Address: JP Tokyo
- Agency: Rankin, Hill & Clark LLP
- Priority: com.zzzhc.datahub.patent.etl.us.BibliographicData$PriorityClaim@2d56ddea
- Main IPC: F04D29/38
- IPC: F04D29/38 ; F04D19/00 ; F04D29/66

Abstract:
A reversible flow fan includes: an impeller that includes blade portions; and rear-edge curved portions disposed on surfaces on rear edge sides of the blade portions in a normal rotation direction of the impeller. The rear-edge curved portions are convexly curved from a center of the impeller toward directions of outer peripheral portions of the blade portions in airflow directions during a reverse rotation of the impeller.
Public/Granted literature
- US20180087439A1 REVERSIBLE FLOW FAN Public/Granted day:2018-03-29
Information query