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:
Feb. 15, 2000
Filed:
Jun. 06, 1997
Mamoru Sumida, Tokyo, JP;
Tsuyoshi Munezane, Kobe, JP;
Kensuke Imada, Kobe, JP;
Hirohisa Ohta, Tokyo, JP;
Mitsubishi Denki Kabushiki Kaisha, Tokyo, JP;
Abstract
A cylinder injection type fuel injection valve comprising a valve body of a cylindrical type, a valve seat having an injection nozzle for injecting fuel at the center thereof, a valve capable of abutting on and separating from the valve seat to open and close the injection nozzle, a hollow housing connected to the valve body at one end, a solenoid located in the inside of the housing for operating the valve to be opened and closed, and a core which is connected to the housing at one end to form a magnetic circuit in association with the housing, wherein the connecting portion between the housing and the core is encirclingly welded, whereby connecting strength of the connecting portion between the core and the housing is improved, a change in properties under high combustion pressure can be prevented, and capability of withstanding pressure is improved.