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. 12, 2019
Filed:
Oct. 30, 2015
Nidec Corporation, Kyoto, JP;
Ryosuke Hayamitsu, Kyoto, JP;
Jumpei Kitamura, Kyoto, JP;
Nidec Corporation, Kyoto, JP;
Abstract
A blower apparatus includes a motor portion having a central axis extending in a vertical direction; an impeller arranged above the motor portion, joined to a rotating portion of the motor portion, and arranged to rotate to send a gas from above radially outward; an impeller cover portion including an inner surface arranged to cover an outer circumference of the impeller and an upper side of an outer edge portion of the impeller, and further including an air inlet defined in a center thereof; a body cover portion joined to the impeller cover portion, arranged to cover an outer circumference of the motor portion, and arranged to define a tubular space between the body cover portion and a housing tubular portion defining an outer surface of the motor portion and extending in the vertical direction to assume a tubular shape; and a plurality of guide vanes arranged in a circumferential direction in the tubular space, and each of which is arranged to extend in a radial direction between an inner surface of the body cover portion and the housing tubular portion. Each of the guide vanes includes a guide vane upper portion arranged on an upper side, and a guide vane lower portion arranged on a lower side of the guide vane upper portion. The guide vane upper portion is inclined to a greater degree with respect to an axial direction than the guide vane lower portion. A lower end of the guide vane is arranged forward of an upper end of the guide vane with respect to a rotation direction of the impeller. The lower end of at least one of the guide vanes is arranged above a lower end of the housing tubular portion.