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:
Sep. 27, 2016
Filed:
Dec. 25, 2012
Nippon Steel & Sumitomo Metal Corporation, Tokyo, JP;
Spraying Systems Co., Japan, Tokyo, JP;
Masaki Yamamoto, Sosa, JP;
Yoshihiro Serizawa, Tokyo, JP;
Hirokazu Kotake, Tokyo, JP;
Isao Yoshii, Tokyo, JP;
Ryuuji Yamamoto, Tokyo, JP;
Hitoshi Nikaidoh, Tokyo, JP;
Satoru Uchijima, Sosa, JP;
Hiromitu Kurita, Sosa, JP;
NIPPON STEEL & SUMITOMO METAL CORPORATION, Tokyo, JP;
SPRAYING SYSTEMS CO., JAPAN, Tokyo, JP;
Abstract
A full cone spray nozzle comprising: a nozzle body () having a liquid inlet () at its upstream end and a spray orifice () at its downstream end; a vane structure () of an axial direction length (W) and diameter (D) arranged with its outer circumferential surface in contact with the inside of the nozzle body (); has a plurality of channel grooves () of width (T) and depth (H) at the outer circumferential surface of the vane structure (); an upstream side projecting part () of a length (U) in the axial direction of the nozzle body () at an upstream side of the vane structure (); a downstream side projecting part () of a length (P) in the axial direction of the nozzle body () at a downstream side of the vane structure (); and a swirl flow chamber () of an axial direction length (L) which is a space formed by an inside wall surface of the nozzle body (), the vane structure () and the spray orifice (), wherein 0.25≦T/D≦0.30, 0.25≦H/D≦0.30, and 1.5≦L/W≦3.5 are satisfied.