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    • 3. 发明公开
    • 가스 공급 장치
    • 气体供应装置
    • KR1020080104154A
    • 2008-12-01
    • KR1020087022812
    • 2007-02-15
    • 에드워즈 리미티드
    • 노쓰필립맨슨데이비드폴
    • F16K3/32F16K11/065F16K11/085
    • F16K11/0856F16K11/0655
    • Apparatus is described for supplying and measuring a purge gas flow to a pumping arrangement, the apparatus comprising a manifold (104) having a gas inlet (106) and a plurality of gas outlets (110) each for supplying gas to a respective port of the pumping arrangement, and a flow selector (120) between the inlet and the outlets, the flow selector having a plurality of spaced apertures (130) of various sizes and being moveable relative to the manifold from one position in which a first set of the apertures is aligned with the inlet and the outlets to another position in which a second set of the apertures is aligned with the inlet and the outlets to vary the flow rate of gas into and from the flow selector, and enable the gas flow rate to be measured across the aperture aligned with the inlet. ® KIPO & WIPO 2009
    • 描述了用于供应和测量向泵送装置的净化气体流的装置,该装置包括具有气体入口(106)和多个气体出口(110)的歧管(104),每个气体出口(110)用于将气体供应到 抽吸装置和在入口和出口之间的流量选择器(120),流量选择器具有多个不同尺寸的间隔开的孔(130),并且可相对于歧管从一个位置移动,在该位置处,第一组孔 与入口和出口对准到另一位置,其中第二组孔与入口和出口对准,以改变气体流入和流出选择器的流量,并使气体流量得以测量 穿过与入口对准的孔。 ®KIPO&WIPO 2009