公开(公告)号：EP1918799A4

公开(公告)日：2009-05-06

申请号：EP06746185

申请日：2006-05-10

申请人： FUJIKIN KK ,  NAT UNIVERSITY CORP TOHOKU UNV

发明人： OHMI TADAHIRO ,  NISHINO KOUJI ,  DOHI RYOUSUKE ,  IKEDA NOBUKAZU ,  NAGASE MASAAKI ,  HIRATA KAORU ,  SUGITA KATSUYUKI ,  SHINOHARA TSUTOMU ,  HIROSE TAKASHI ,  IMAI TOMOKAZU ,  YOSHIDA TOSHIHIDE ,  TANAKA HISASHI

IPC分类号： G05D7/06 ,  F16K27/00 ,  F16L55/00 ,  G01F1/42

CPC分类号： F16K27/003 ,  F16L55/02718 ,  G01F1/36 ,  G01F15/001 ,  G01F15/005 ,  G05D7/0635

摘要： An orifice changeable pressure type flow controller capable of easily changing a control flow by easily changing an orifice without disassembling and assembling the flow controller. In the flow controller (A), the valve body (23) of a control valve (2) is disposed between an inlet side mounting block (39) having a connection part for a fluid feed pipe and an outlet side mounting block (43) having a connection part for a fluid takeout pipe, and the fluid inlet side of the valve body (23) is releasably connected airtight to the inlet side mounting block (39) and the fluid outlet side of the valve body (23) is releasably connected airtight to the outlet side mounting block (43) to form a flow passage allowing gases to flow therein through the control valve (2). The gasket type orifice (38) of the flow controller (A) is detachably inserted between a gasket type orifice insertion hole (42c) formed on the outlet side of the valve body (23) and a gasket type orifice insertion hole (43b) in the outlet side mounting block (43).