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:
Mar. 23, 2021
Filed:
Mar. 29, 2019
Nidec Copal Electronics Corporation, Tokyo, JP;
Takashi Kanai, Sano, JP;
Hiroki Matsushita, Sano, JP;
NIDEC COPAL ELECTRONICS CORPORATION, Tokyo, JP;
Abstract
A blower device includes a housing including an intake chamber, an accommodation chamber communicating with the intake chamber, and an exhaust port, a motor provided in the accommodation chamber and including a coil, a fan provided on a rotating shaft of the motor, a sealing member configured to seal up the intake chamber, and a flow path of the air which is introduced into a gap between a first surface of the fan and the housing, is returned from a flow path hole provided in the housing and communicating with the intake chamber to an opening, and is introduced to a second surface of the fan opposed to the first surface by an air-blowing operation of the fan.