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Patent Searching and Data


Title:
FUEL INJECTION DEVICE
Document Type and Number:
Japanese Patent JPS56159559
Kind Code:
A
Abstract:

PURPOSE: To enable to effect a high responsive switching and improve the operational characteristics thereof by a method wherein a switching device, capable of detecting the load condition of an internal-combustion engine and switching instantaneously the ratio of supplying amount of two kinds of fuel continuously in accordance with the load condition, is constituted integrally with an injection valve.

CONSTITUTION: The fuel injection device 10 is consisting of the injection valve section 11 and a fuel switching section 20 and the injection valve section 11 is equipped with a valve body 7 separable from a nozzle 5 against a spring 6 by the excitation of an electromagnet 8. A path 14 for the first fuel such as gasoline or the like and a path 15 for the second fuel such as ethanol or the like are formed between an injection valve main body 12 and the outer wall of the injection valve section while respective fuel outlet ports 14A, 15A for both paths 14, 15 being opened at the vicinity of the nozzle 5 are provided so as to be staggered each other. The fuel switching section 20 is provided with the first and second fuel paths 21, 22 communicating with said paths 14, 15 and poppets 28, 30 are contacted with or separated from ramifying parts 21A, 22A between both of the paths 14, 15, 21, 22 by a diaphragm 23 moved by a pressure difference.


Inventors:
OOKAWA KOUZABUROU
MURANAKA SHIGEO
Application Number:
JP6070980A
Publication Date:
December 08, 1981
Filing Date:
May 09, 1980
Export Citation:
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Assignee:
NISSAN MOTOR
International Classes:
F02M43/04; F02D19/06; F02D19/08; (IPC1-7): F02M43/04