Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Kanehito Nakamura0
Tokuji Kuronita0
Satoru Sasaki0
Masumi Kinugawa0
Date of Patent
March 31, 2009
0Patent Application Number
112661880
Date Filed
November 4, 2005
0Patent Primary Examiner
Patent abstract
In a fuel injection nozzle including multiple nozzle hole groups each having multiple solitary nozzle holes, a group distance C between two of the nozzle hole groups is 0.8 or more times larger than an in-group hole distance α in a nozzle hole group. The group distance C is the minimum interval of inter-group intervals that are formed between (i) peripheral boundaries of solitary nozzle holes belonging to a first nozzle hole group and (ii) peripheral boundaries of solitary nozzle holes belonging to a second nozzle hole group adjacent to the first nozzle hole group. The in-group hole distance α is the minimum of intervals between peripheral boundaries belonging to each nozzle hole group.
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