EP 2676056 A1 20131225 - VALVE ASSEMBLY
Title (en)
VALVE ASSEMBLY
Title (de)
VENTILANORDNUNG
Title (fr)
ENSEMBLE DE SOUPAPE
Publication
Application
Priority
CN 2011071108 W 20110218
Abstract (en)
[origin: WO2012109799A1] A valve assembly is provided.It includes:a valve body (1);a valve seat (11,12) disposed in an inner chamber of the valve body (1); and a valve plug (2) capable of moving relative to the valve seat (11,12). The valve seat (11,12) includes a first valve seat (11) and a second valve seat (12) disposed longitudinally; the valve plug (2) includes a first contact portion (21) and a second contact portion (22), the first contact portion (21) is capable of contacting the first valve seat (11) to form a seal, the second contact portion (22) includes an annular protrusion (20) being deformable after being extruded with the second valve seat (12), the second contact portion (22) is capable of forming a seal by contacting the second valve seat (12) through the deformed protrusion (20'),and the valve body (1) has a blocking part (19) which is capable of blocking rotation of the valve plug (2). With the annular protrusion (20) disposed on the valve plug (2), the protrusion (20) can be deformed in an extrusion manner, so as to achieve a sealing effect of the valve plug (2) and the valve seat (11,12),which omits precise maching on the valve plug (2) and the valve seat (11,12).
IPC 8 full level
F16K 1/44 (2006.01); F16K 3/00 (2006.01); F16K 25/00 (2006.01)
CPC (source: CN EP KR)
F16K 1/44 (2013.01 - CN EP KR); F16K 1/50 (2013.01 - CN); F16K 3/00 (2013.01 - KR); F16K 25/00 (2013.01 - CN EP KR)
Citation (search report)
See references of WO 2012109799A1
Designated contracting state (EPC)
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
DOCDB simple family (publication)
WO 2012109799 A1 20120823; AU 2011359532 A1 20130718; AU 2011359532 B2 20150702; CN 103534518 A 20140122; EP 2676056 A1 20131225; KR 101520604 B1 20150515; KR 20130121988 A 20131106; RU 2540345 C1 20150210
DOCDB simple family (application)
CN 2011071108 W 20110218; AU 2011359532 A 20110218; CN 201180067470 A 20110218; EP 11858670 A 20110218; KR 20137024672 A 20110218; RU 2013142571 A 20110218