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:
May. 19, 1998
Filed:
Feb. 26, 1996
Applicant:
Inventors:
Takaaki Takagi, Obu, JP;
Kaneo Imamura, Obu, JP;
Katuo Yoshihara, Chiryu, JP;
Akihiro Tanaka, Tanashi, JP;
Assignees:
Aisan Kogyo Kabushiki Kaisha, Obu, JP;
Miyama Seiko Kabushiki Kaisha, Chiryu, JP;
Citizen Tokei Kabushiki Kaisha, Tokyo-to, JP;
Primary Examiner:
Int. Cl.
CPC ...
B23P / ;
U.S. Cl.
CPC ...
298884 ; 29890128 ; 2989013 ;
Abstract
An orifice plate to be mounted at a fuel jet section of an injector has a plurality of jet holes formed therethrough for injecting fuel. The orifice plate includes a curved surface formed at an inlet peripheral edge of each of the jet holes, and a cylindrical projection formed at an outlet of each of the jet holes. The cylindrical projection has the same inner diameter as that of the jet hole.