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. 13, 2018
Filed:
Feb. 06, 2014
Panasonic Intellectual Property Management Co., Ltd., Osaka, JP;
Abstract
A blower includes: centrifugal impeller disposed in inside of casing; and motor which is configured to drive centrifugal impeller. Annular projecting portion which projects in a direction toward the outside of the casing and is concentric with centrifugal impeller is provided around inflow port of casing which faces a fixing-member of centrifugal impeller. Projecting portion includes: raised wall which is raised so as to be away from centrifugal impeller parallel to a direction of the rotary shaft; and flat portion formed in an extending manner in a direction toward inflow port from raised wall. Projecting portion further includes inflow wall which falls toward the centrifugal impeller from an end surface of flat portion toward an inflow port. Flat portion is parallel to an upper end surface of centrifugal impeller.