Invention Application
US20020171050A1 Gas injector in which one of a plurality of nozzles can be selectively driven for elevation
失效
可以选择性地驱动多个喷嘴中的一个以提升的气体喷射器
- Patent Title: Gas injector in which one of a plurality of nozzles can be selectively driven for elevation
- Patent Title (中): 可以选择性地驱动多个喷嘴中的一个以提升的气体喷射器
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Application No.: US10140710Application Date: 2002-05-08
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Publication No.: US20020171050A1Publication Date: 2002-11-21
- Inventor: Yoshihiro Koyama
- Priority: JP2001-147917 20010517
- Main IPC: H01J037/08
- IPC: H01J037/08
Abstract:
In a gas injector according to the invention, a forward section of the same is formed by a cylindrical portion which collectively contains and holds a plurality of nozzles and gas supply pipes and a nozzle guide portion which has an opening of a size to allow only one of the nozzles to protrude outwardly at an end thereof and which is formed like a taper extending from said cylindrical portion to said opening, and a rear section of the gas injector has a mechanism capable of selectively driving said plurality of nozzles for elevation through said gas supply pipes.
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