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公开(公告)号：US20180157277A1
公开(公告)日：2018-06-07
申请号：US15888926
申请日：2018-02-05
申请人： FIMCIM S.P.A.
CPC分类号： G05D7/00 , F16K3/262 , F16K5/04 , F24D19/1015 , F24D2220/0271 , G05D7/0106
摘要： A control valve including: a valve body, a flow shutter operatively interposed between an inlet and an outlet, a driving spindle having at least a first actuating end and a second end connected to the flow shutter. The valve also includes a differential pressure automatic regulation device, comprising: a cup-shaped body arranged around the driving spindle and axially mobile with respect to said driving spindle; a spring operatively interposed between the valve body and the cup-shaped body to push the latter away from the flow shutter; a rolling membrane having a radially inner edge fixed to the cup-shaped body and a radially outer edge fixed to the valve body to delimit a first chamber in fluid communication with the inlet and a second chamber in fluid communication with the outlet.
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公开(公告)号：US09904294B2
公开(公告)日：2018-02-27
申请号：US14898451
申请日：2014-06-10
申请人： FIMCIM S.P.A.
CPC分类号： G05D7/00 , F16K3/262 , F16K5/04 , F24D19/1015 , F24D2220/0271 , G05D7/0106
摘要： A control valve including: a valve body, a flow shutter operatively interposed between an inlet and an outlet, a driving spindle having at least a first actuating end and a second end connected to the flow shutter. The valve also includes a differential pressure automatic regulation device, comprising: a cup-shaped body arranged around the driving spindle and axially mobile with respect to said driving spindle; a spring operatively interposed between the valve body and the cup-shaped body to push the latter away from the flow shutter; a rolling membrane having a radially inner edge fixed to the cup-shaped body and a radially outer edge fixed to the valve body to delimit a first chamber in fluid communication with the inlet and a second chamber in fluid communication with the outlet.
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