The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Feb. 09, 2021
Filed:
May. 23, 2018
Minebea Mitsumi Inc., Nagano, JP;
Toyota Boshoku Kabushiki Kaisha, Aichi-ken, JP;
Wataru Nogamida, Kakegawa, JP;
Masaaki Matsubara, Fukuroi, JP;
Seiya Fujimoto, Fukuroi, JP;
Tetsuya Seki, Fukuroi, JP;
Satoshi Hatahara, Yaizu, JP;
Kiyohisa Nara, Fukuroi, JP;
Atsushi Tsuzaki, Toyota, JP;
Yuki Kadono, Toyota, JP;
Yuya Makino, Anjo, JP;
Hiroshi Murahata, Nisshin, JP;
MINEBEA MITSUMI INC., Nagano, JP;
TOYOTA BOSHOKU KABUSHIKI KAISHA, Aichi-ken, JP;
Abstract
A centrifugal fan that is light in weight and has a structure that restrains vibration are provided. The centrifugal fan includes a resin upper casing, a resin lower casing, an impeller, a motor, and a circuit board. The impeller, the motor and the circuit board are housed between the resin upper casing and the resin lower casing. Radial ribs and a concentric ribs for reinforcing are formed at a bottom surface of a concave part of the lower casing. Resin pins are provided in a standing manner at these rib parts, and the circuit board is fixed to the lower casing by the resin pins.