14-11-2013 дата публикации
Номер: US20130299610A1
A gas fuel injection valve is provided in which a circular recess is formed in a front end face of a valve plunger, the circular recess being surrounded by an annular land part, which is an outer peripheral part of the front end face, an inner peripheral face of the circular recess is formed in a tapered shape so as to increase in diameter in going from a base of the circular recess toward the annular land part, an annular lip is formed on a seating member, the annular lip being joined from the inner peripheral face through to the annular land part and being seated on a valve seat, and the annular lip is disposed so that an annular ridge line of an apex of the annular lip is positioned, in a projection in the axial direction of the valve plunger, above the inner peripheral face. 11278732531033177835510107225105107a. A gas fuel injection valve comprising a valve body () that has a nozzle member () having a valve seat () and a nozzle hole () extending through a central part of the valve seat () , a tubular valve housing () formed from a magnetic material and connectedly provided at a rear end of the nozzle member () , and a fixed core () disposed rearwardly of the valve housing () , a valve plunger () that is slidably fitted to a sliding guide face () on an inner periphery of the valve housing () and has joined to a front end thereof a rubber seating member () that is seated on the valve seat () so as to close the nozzle hole () , a return spring () that is provided in a compressed state between the fixed core () and the valve plunger () and urges the valve plunger () toward the valve seat () side , and a coil () that is disposed so as to surround the fixed core () and , when energized , generates a magnetic force that attracts the valve plunger () to the fixed core () and separates the valve plunger () from the valve seat () ,{'b': 51', '10', '51', '50', '51', '51', '51', '51', '50', '53', '17', '53', '51', '50', '7', '53', '53', '10', '51, 'i': b', 'a', 'b', 'b, ' ...
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