| Patent application number | Description | Published |
|---|
| 20080237524 | VALVE FOR ANTI-LOCK BRAKE SYSTEM - A valve for an anti-lock brake system is capable of reducing the cost of production through structural improvement of a valve housing. The valve includes a valve core, an armature located below the valve core and having a ball, a cylindrical sleeve coupled to the valve core and armature and guiding the armature to move backward and forward, a first elastic member installed between the valve core and the armature, a valve housing coupled to the sleeve and having a longitudinal hollow space, a seat plunger movably installed in the hollow space and having a first orifice, a second elastic member installed between the seat plunger and the valve housing, a seat having an outlet and a second orifice that communicates with the first orifice, and a seat housing coupled to the valve housing and the seat, supporting the valve housing and the seat spaced apart from each other, and having an inlet between the valve housing and the seat. | 10-02-2008 |
| 20080252139 | VALVE FOR ANTI-LOCK BRAKE SYSTEM - Disclosed is a valve for an anti-lock brake system, in which a sleeve sheet is assembled with a lower portion of a valve housing, so that the external shape and the structure of the valve are simplified. The valve includes a valve core; an armature positioned below the valve core and provided at an end thereof with a ball; a cylindrical sleeve coupled with outer peripheral surfaces of the valve core and the armature to guide an up/down movement of the armature; a first elastic member installed between the valve core and the armature; a valve housing coupled to one end of the cylindrical sleeve and formed therein with a hollow section that extends lengthwise along the valve housing; a valve seat press-fitted into the hollow section and formed with a first orifice which is open/closed by the ball; and a filter seat press-fitted into the valve housing and provided with an inlet and an outlet, which are positioned at a circumferential portion and a lower portion of the filter seat, respectively. | 10-16-2008 |
| 20080252140 | VALVE FOR ANTI-LOCK BRAKE SYSTEM - A valve for an anti-lock brake system in which a structure of a valve housing is modified, thereby reducing the manufacturing cost. The valve for the anti-lock brake system includes a valve core, an armature, which is disposed below the valve core and has a spherical member installed at an end of the armature, a cylindrical sleeve which is coupled at an outer circumference of the valve core and the armature to allow the armature to move forward and backward, a first elastic member installed between the valve core and the armature, a valve housing, which is coupled at an end of the cylindrical sleeve and is formed therein with a hollow section extending lengthwise along the valve housing, a seat plunger, which is installed in the hollow section to move forward and backward and is formed with a first orifice that is opened/closed by the spherical member, a second elastic member installed between an upper end of the seat plunger and a lower end of the valve housing, and a filter seat, which is provided at an outer circumference and a lower portion thereof with an inlet and an outlet, respectively, and is press-fitted into a lower outer circumferential portion of the valve housing. | 10-16-2008 |
| 20090095928 | SOLENOID VALVE FOR BRAKE SYSTEM - A solenoid valve for a brake system, which has a simplified configuration and can be easily manufactured with reduced manufacturing costs. The solenoid valve includes valve seat member integrally formed with a seat portion having a first orifice, an opening/closing member slidably installed in the valve seat member, the opening/closing member having an inner passage formed through the opening/closing member, an outer passage formed at an outer surface of the opening/closing member, a second orifice formed at one end of the opening/closing member, the second orifice having a smaller diameter than that of the first orifice, and a first opening/closing portion formed at the other end of the opening/closing member to open or close the first orifice, an opening spring to move the opening/closing member, for opening of the first orifice, a sleeve having a first end coupled to an outer surface of the valve seat member and a flange formed at the first end so as to be fixed to a modulator block, a valve core coupled to a second end of the sleeve, opposite to the first end of the sleeve, an armature slidably mounted in the sleeve, the armature having a second opening/closing portion to open or close the second orifice, and a restoring spring to press the armature toward the second orifice. | 04-16-2009 |
| 20090095929 | SOLENOID VALVE FOR BRAKE SYSTEM - A solenoid valve for a brake system enabling miniaturization of the valve and having an improved configuration to facilitate assembly and production of the valve. The solenoid valve includes an armature provided at one end thereof with an opening/closing member, a valve housing including a hollow first valve block fixed in a modulator block and a second valve block disposed below the first valve block and having an inlet for introduction of fluid, a valve seat installed in the first valve block and having a flow-hole to be opened or closed by the opening/closing member and a hollow extending longitudinally from the flow-hole, and an orifice sleeve located in the second valve block to define a fluid discharge passage and having an orifice formed in one end thereof to communicate with the hollow of the valve seat. | 04-16-2009 |
| 20090096282 | SOLENOID VALVE FOR BRAKE SYSTEM - A solenoid valve for a brake system capable of being easily manufactured with reduced manufacturing costs is disclosed. A valve seat member has an inner passage formed through the valve seat member in a longitudinal direction thereof, an outer passage formed on an outer surface of the valve seat member in the longitudinal direction, and a seat portion formed with a first orifice above the inner passage. The seat portion is formed unitarily with the valve seat member. A sleeve is coupled on the outer surface of the valve seat member. The sleeve has a flange portion to be fixed to a modulator block. A valve core is coupled to a portion of the sleeve, opposite to the flange portion. An armature is slidably mounted in the sleeve. The armature has an opening/closing portion to open or close the first orifice. A restoring spring presses the armature toward the first orifice. | 04-16-2009 |
| 20090121541 | SOLENOID VALVE FOR BRAKE SYSTEM - A solenoid valve for a brake system, which has a simple constitution and can be easily manufactured with reduced manufacturing costs, is disclosed. A valve core is formed in a cylindrical shape, and has a through-hole formed in a longitudinal direction of the valve core and a fluid passage formed in a radial direction of the valve core so as to communicate with the through-hole. A sleeve is coupled to an outer surface of the valve core. The sleeve has a dome-shaped shielding portion at one end, and a flange portion to be fixed to a modulator block at the other end. An armature is slidably mounted in the sleeve. An exciting coil is provided to move the armature. A valve seat is fixed in the valve core, and has a first orifice. A plunger is mounted in the valve core. The plunger moves by movement of the armature to open or close the first orifice. A restoring spring is provided to press the plunger toward the armature. A filter member is coupled to the valve core to surround an outer surface and an end portion of the valve core, which are to be received in a bore of the modulator block. The filter member includes a filtering part to filter oil, a second orifice to rectify oil flow, and a check valve to permit oil to flow back when braking operation is released. | 05-14-2009 |
| 20100001216 | SOLENOID VALVE FOR BRAKE SYSTEM AND MANUFACTURING METHOD THEREOF - Disclosed herein are a solenoid valve for a brake system and a manufacturing method thereof, to achieve easy manufacture and low manufacturing costs via a more simplified configuration than the related art. The solenoid valve includes a valve core, a sleeve into one side of which the valve core is inserted, an armature movably received in the sleeve, a seat having an orifice that is opened or closed by the armature, a return spring to press the armature toward the orifice, a filter member press-fitted in a modulator block having an inlet path and outlet path, a filter being coupled to the filter member, and a seat housing having one side press-fitted into the filter member and the other side press-fitted into the sleeve, the seat being press-fitted in the seat housing. The seat housing takes the form of a tubular member having an approximately constant thickness and is provided with a stepped portion to determine a position of the seat. | 01-07-2010 |
| 20100001579 | SOLENOID VALVE FOR BRAKE SYSTEM - Disclosed herein is a solenoid valve for a brake system to reduce manufacturing costs via a shorter length and more simplified configuration of a magnet core. In the solenoid valve for a brake system to be mounted in a bore of a modulator block having an inlet and an outlet, the solenoid valve includes a magnet core having a center longitudinal penetrating hole and an entrance and exit for oil flow, an armature movably provided at one end of the magnet core and serving to open or close the exit, a valve seat provided at the other end of the magnet core, and a sleeve in which the armature and magnet core are received, the sleeve being fixed to the bore. | 01-07-2010 |
