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.

Date of Patent:
Apr. 27, 1999

Filed:

Oct. 18, 1996
Applicant:
Inventors:

Kunio Enomoto, Tokai-mura, JP;

Katsuhiko Hirano, Hitachi, JP;

Masahiro Otaka, Hitachi, JP;

Kazuo Amano, Hitachi, JP;

Eisaku Hayashi, Hitachi, JP;

Sadato Shimizu, Hitachinaka, JP;

Ren Morinaka, Hitachi, JP;

Kazunori Sato, Kure, JP;

Assignees:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B05B / ; E21B / ;
U.S. Cl.
CPC ...
239590 ; 2395905 ; 175 67 ;
Abstract

A fluid jet nozzle has a water chamber accommodating therein pressurized fluid, an orifice communicating with the water chamber and contracting the fluid from the water chamber, a throat communicating with the orifice and through which the fluid from the orifice passes, a multiplication chamber communicating with the throat and receiving the fluid from the throat for multiplying cavitation, and a diffusion chamber receiving the fluid from the multiplication chamber for diffusing the fluid.


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