Fluid-pressure and analogous brake systems – Speed-controlled – Having a valve system responsive to a wheel lock signal
Reexamination Certificate
2006-08-15
2006-08-15
Nguyen, Xuan Lan (Department: 3683)
Fluid-pressure and analogous brake systems
Speed-controlled
Having a valve system responsive to a wheel lock signal
C251S129020
Reexamination Certificate
active
07090311
ABSTRACT:
A brake traction control valve is disclosed. The brake traction control valve includes a valve core, a shell, an armature, an exciting coil, a plunger, and a return spring. The valve core has an inlet to allow inside and outside of the valve core to communicate with each other, and a valve seat provided with an orifice therein. The shell having a dome plus cylinder shape is coupled to the valve core to cover one end of the valve core. The armature is placed in the shell to move forward and backward. The exciting coil is placed around the shell to cause the armature to move forward and backward. The plunger is placed in the valve core to move forward and backward to selectively open and dose the orifice while moving forward and backward by the armature. The return spring returns the plunger and the armature to open the orifice. The plunger includes a first body brought into contact with the armature, a second body connected to one end of the first body to move forward and backward so as to selectively open and close the orifice, and a relief spring provided between the first and second bodies so that the second body is pushed by oil pressure when the oil pressure increases above predetermined pressure.
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Abstract of KR Appln. No. 1019950030581,Korean Patent Abstracts(KR).
Ladas & Parry LLP
Mando Corporation
Nguyen Xuan Lan
LandOfFree
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