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:
Jan. 21, 2020
Filed:
Oct. 27, 2016
Miura Co., Ltd., Matsuyama-shi, Ehime-ken, JP;
MIURA CO., LTD., Mastuyama-Shi, Ehime, JP;
Abstract
A venturi nozzle (), disposed upstream from a blower (), for mixing combustion air and fuel gas by intake pressure of the blower (), comprising: a nozzle portion () with a shape that is narrowed in diameter downstream and into which combustion air is introduced; a mixing portion (), disposed downstream from the nozzle portion (), with a shape that is enlarged in diameter downstream and into which combustion air and fuel gas are mixed; and a fuel gas inlet (), disposed between the nozzle portion () and the mixing portion (), into which fuel gas is introduced; wherein a plurality of ridges () extending in a circumferential direction and arranged at predetermined intervals in a flow direction of combustion air are formed on an inner surface of the nozzle portion ().