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1.发明公开
公开(公告)号：EP1481405A2
公开(公告)日：2004-12-01
申请号：EP02734251.8
申请日：2002-05-08
申请人： KELSEY-HAYES COMPANY
CPC分类号： H01F7/1607 , B60T8/3615 , B60T8/363 , H01F7/081
摘要： A coil assembly for a solenoid valve (40) includes a bobbin (44) formed from an electrically insulative material. A bore extends axially through the bobbin. A first flux ring (64) having a sleeve (66) extending axially from an annular base (68) is mounted upon a first end of the bobbin with the sleeve extending into the bobbin bore. Similarly, a second flux ring (70) also having a sleeve (72) extending from an annular base (74) is mounted upon a second end of the bobbin that is opposite from the first flux ring with its sleeve extending into the bobbin bore. The flux rings are formed from a magnetically permeable material that has a high heat conductivity . Magnet wire is wound upon the assembled bobbin and flux rings to form the coil assembly.
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公开(公告)号：EP2531758B1
公开(公告)日：2018-04-25
申请号：EP11740364.2
申请日：2011-02-03
申请人： Kelsey-Hayes Company
发明人： LEVENTHAL, Leon , LUZENSKI, Peter , KRAWCZYK, Gregory, J. , MANOLIOS, Nikolaos , DOYLE, William , GRECO, Kenneth , THOMPSON, Jeff
CPC分类号： F16K31/0658 , B60T8/363 , B60T8/4872
摘要： An electromagnetic valve for use in controlling fluid flow between first and second passageways in a hydraulic valve block includes a valve body. The valve body defines a central axis, has a central opening therethrough, and has a lower end adapted to be inserted into a bore of the valve block. A hollow valve dome is attached to an upper end of the valve body. An armature is axially moveable within the valve dome. A spring biases the armature in one axial direction. A closing element is coupled to a lower end of the armature. An electromagnetic coil coaxially surrounds the armature and is operable to effect axial movement of the armature in an axial direction opposite the one axial direction. A valve seat member is carried by a lower end of the valve body and has an orifice providing fluid flow between the first and second valve block passageways. The valve seat member defines a valve seat that surrounds the orifice and cooperates with the closing element for selectively closing the orifice. The valve seat member is formed as a deep drawn part and includes a tubular portion having one end defining a valve seat, and an opposite end connected to the valve body.
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公开(公告)号：EP2531758A2
公开(公告)日：2012-12-12
申请号：EP11740364.2
申请日：2011-02-03
申请人： Kelsey-Hayes Company
发明人： LEVENTHAL, Leon , LUZENSKI, Peter , KRAWCZYK, Gregory, J. , MANOLIOS, Nikolaos , DOYLE, William , GRECO, Kenneth , THOMPSON, Jeff
CPC分类号： F16K31/0658 , B60T8/363 , B60T8/4872
摘要： An electromagnetic valve for use in controlling fluid flow between first and second passageways in a hydraulic valve block includes a valve body. The valve body defines a central axis, has a central opening therethrough, and has a lower end adapted to be inserted into a bore of the valve block. A hollow valve dome is attached to an upper end of the valve body. An armature is axially moveable within the valve dome. A spring biases the armature in one axial direction. A closing element is coupled to a lower end of the armature. An electromagnetic coil coaxially surrounds the armature and is operable to effect axial movement of the armature in an axial direction opposite the one axial direction. A valve seat member is carried by a lower end of the valve body and has an orifice providing fluid flow between the first and second valve block passageways. The valve seat member defines a valve seat that surrounds the orifice and cooperates with the closing element for selectively closing the orifice. The valve seat member is formed as a deep drawn part and includes a tubular portion having one end defining a valve seat, and an opposite end connected to the valve body.
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