| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 303119100 | System controlled by solenoid valve | 25 |
| 20090001808 | VEHICLE BRAKE HYDRAULIC PRESSURE CONTROL UNIT | 01-01-2009 |
| 20100078990 | BRAKING SYSTEM - A braking system includes first and second electromagnetic opening valves and a bleeding mode setting unit. The first electromagnetic opening and closing valve is provided to a first brake fluid channel to communicate or block a first fluid pressure from a master cylinder to a wheel brake. The second electromagnetic opening and closing valve is provided to a second brake fluid channel to communicate or block a second fluid pressure from a power unit to the wheel brake. The bleeding mode setting unit is provided to set a bleeding mode in which each of the first and second electromagnetic opening and closing valves is opened and closed in order to perform an air-bleeding from each of the first and second brake fluid channels. The determining unit is provided to determine whether or not the bleeding mode setting unit is allowed to set the bleeding mode. | 04-01-2010 |
| 20110089756 | BRAKE HYDRAULIC PRESSURE CONTROL DEVICE FOR VEHICLE - A brake hydraulic pressure control device includes: a normally open linear solenoid valve configured to adjust a valve closing force depending on an power supply amount; a normally closed solenoid valve; and a controller configured to control switching of a hydraulic pressure within the wheel brake between a pressure increasing state, a pressure holding state, or a pressure reducing state, wherein: when shifting to the pressure increasing state from the pressure reducing state or the pressure holding state is made, the controller controls the power supply amount so that increasing is made at a first gradient up to a turning point target hydraulic pressure, and increasing is made at a second gradient gentler than the first gradient from the turning point target hydraulic pressure up to the end of the increasing; and the controller determines the turning point target hydraulic pressure. | 04-21-2011 |
| 20110175440 | PRESSURE CONTROL VALVE ARRANGEMENT HAVING DIAPHRAGM VALVES FOR CONTROLLING A FLUID PRESSURE IN AN ABS BRAKE SYSTEM OF A VEHICALE, HAVING DIAPHRAGMS ARRANGED IN PARALLEL PLANES OR COPLANAR FASHION - A pressure control valve arrangement is described for controlling the fluid pressure in an ABS brake system of a vehicle in such a manner that, in the event of a tendency of individual wheels of the vehicle to lock, the brake pressure in associated brake cylinders can be adaptively adjusted, at least two diaphragm valves which have diaphragms loaded by spring elements, as well as at least one electromagnetic control valve which can be activated by an electronic control device for the pilot control of the diaphragm valves. Also described is a method for producing the pressure control valve arrangement. | 07-21-2011 |
| 20110204710 | BRAKE PRESSURE CONTROL APPARATUS WHICH REGULATES DECELERATION RATE WHILE BRAKING ACCORDING TO BRAKE PRESSURE AND METHOD THEREOF - Disclosed a brake pressure control apparatus including a cylinder of which an upper portion is formed with a connection port connected with a brake line and a lower surface is formed with an air inlet/outlet port; a piston which is supported by a first spring disposed at a bottom surface of the cylinder; an opening/closing plate which is fixed to an upper portion of the piston so as to divide an inner portion of the cylinder and in which a fluid passage is formed at a center portion thereof; an introduction control valve which is disposed at an upper portion of the fluid passage H formed at the opening/closing plate so as to control a flow of the brake fluid introduced into the cylinder according to a brake pressure; a fluid passage opening/closing unit which is disposed at an inner portion of the opening/closing plate, and comprises a permanent magnet provided at one side thereof, a movement spring provided at the other side thereof and an opening/closing member disposed between the permanent magnet and the movement spring so as to be intersected with the fluid passage, thereby opening and closing the fluid passage; a brake fluid outlet port which is formed at both sides of the fluid passage formed at the opening/closing plate so as to provide a passage through which the brake fluid in the cylinder is discharged; and an electromagnet which is disposed at an outer circumference of the cylinder so as to be corresponding to the permanent magnet of the fluid passage opening/closing unit and also connected with a vehicle speed sensor. | 08-25-2011 |
| 20120025600 | AUTOMOBILE BRAKING SYSTEM WITH GRIP PREDICTION AND CONTINUOUS CONTROL OF BRAKING PRESSURE - The invention relates to an automobile braking system with grip prediction and continuous control of braking pressure, including a hydraulic circuit which regulates braking pressure by controlling a proportional pressure value ( | 02-02-2012 |
| 20120175944 | PRESSURE CONTROL VALVE ARRANGEMENT HAVING COVERS THAT ARE PRODUCED AS A COMPLETELY INTEGRAL PART WITH TRANSVERSE CHANNELS BY PRIMARY SHAPING - A pressure control valve arrangement is described for controlling the fluid pressure in an ABS brake system of a vehicle in such a way that, while there is a tendency of individual wheels of the vehicle to lock, the brake pressure in at least one associated brake cylinder can be adaptively adjusted, wherein at least one diaphragm valve is accommodated in a housing of the pressure control valve arrangement, said diaphragm valve having a diaphragm as the valve body, which diaphragm can be acted upon by introducing a pressure medium into a control chamber that is covered on the outside of the housing by a respective cover produced by primary shaping, such as injection molding, in such a way that the control chamber is formed between the diaphragm and the cover, and wherein blind holes, which extend in the cover substantially perpendicularly to the plane of the cover, are formed in the cover, the blind hole opening of at least one of said blind holes leading into the control chamber, and the blind hole opening of at least one other of said blind holes leading into a pressure medium channel formed in the housing, and at least one and the other of said blind holes being fluidically interconnected by at least one transverse channel, characterized in that the transverse channel has an acute angle relative to the plane of the cover and opens at one end, by a transverse channel opening, into the control chamber or into the pressure medium channel, wherein the transverse channel opening at least partially overlaps the blind hole opening of one of the blind holes connected by the transverse channel. | 07-12-2012 |
| 20120286564 | HYDRAULIC FLUID CONTROL APPARATUS - Upgrading existing aircraft braking systems to accommodate replacement of existing brake units employing sintered friction materials with brake units employing carbon-carbon composite friction materials is often desirable. However, when upgrading the braking systems it is necessary to ensure that the integrity of the existing airframe is not compromised by the use of the new brake assemblies employing the carbon-carbon composite friction materials. Consequently, the present invention replaces existing pressure control valves of existing braking systems with an electronic control unit ( | 11-15-2012 |
| 20130221737 | ELECTRO-HYDRAULIC DYNAMIC BRAKING SYSTEM AND CONTROL METHOD - The system includes a high-pressure accumulator connected to the primary chamber of the master cylinder and to the inlet of the ESP module by a solenoid valve. The connection between the primary chamber and the brake fluid reservoir is equipped with a solenoid valve. A control circuit controls the solenoid valve of the reservoir and the solenoid valve of the accumulator, depending on the braking method selected or imposed. The dynamic braking phase is broken down into two tasks, one with energy recovery that involves isolating the master cylinder from the wheel brakes until deceleration to a threshold speed, followed by another step until full stop that involves connecting the primary chamber alone to the high-pressure accumulator and to the ESP module to provide the latter with pressurized brake fluid from the accumulator and supply the wheel brakes for mechanical braking. | 08-29-2013 |
| 20140117750 | ELECTROHYDRAULIC ANTILOCK BRAKE SYSTEM WITH ISOLATION VALVE - An antilock brake system for a vehicle may include a controller that is linked to a brake pedal sensor. The brake pedal sensor may be linked to a brake pedal. The brake pedal may be coupled to a normally closed brake pedal valve. The brake pedal valve may include an inlet in communication with a source of pressurized hydraulic fluid and an outlet in communication with a normally opened isolation valve. The isolation valve may be in communication with one or more main control valve systems and may be linked to a controller which maintains the isolation valve in a closed position during normal operating conditions. The isolation valve then shifts to an open position in the event current supply by the controller is interrupted as a result of an electrical failure or malfunction of the controller. | 05-01-2014 |
| 20140319904 | BRAKE CONTROL DEVICE AND BRAKE CONTROL METHOD - In brake control based on commands of a plurality of systems, an adjustment valve adjusts fluid supplied from a fluid source to a predetermined pressure to output the pressure-adjusted fluid. An output valve switches opening and closing based on a switching command. A skid detector detects whether a car is skidding or not and notifies a brake controller. The brake controller determines a pressure of fluid output by a control valve and issues a command to solenoid valves provided in the control valve. The brake controller issues a command to a discharge valve to discharge fluid from the discharge valve when a skid is detected. A relay valve adjusts pressure of fluid from the fluid source based on a higher pressure between a pressure of fluid output by the output valve and a pressure of fluid output by the control valve, to output the pressure-adjusted air to a brake cylinder. | 10-30-2014 |
| 20140346855 | VEHICLE BRAKE HYDRAULIC PRESSURE CONTROL APPARATUS AND METHOD FOR MANUFACTURING THE SAME - A vehicle brake hydraulic pressure control apparatus includes a base body and a solenoid valve. The solenoid valve is attached to an attachment hole which opens on one surface of the base body. A plurality of press-fitting portions that are press-fitted to an inner peripheral surface of the attachment hole are provided on an outer peripheral surface of the solenoid valve at an interval in a hole axis direction. Contact lengths, in the hole axis direction, between the inner peripheral surface of the attachment hole and two of the press-fitting portions are different from each other. | 11-27-2014 |
| 20140354037 | SOLENOID VALVE - A solenoid valve includes: a valve body; a plunger inserted into the valve body so as to reciprocate inside the valve body; a pump housing connected to the valve body and having an inlet and outlet formed therein; and a seat member mounted on the pump housing and changing the moving direction of fluid introduced through the inlet toward the plunger. | 12-04-2014 |
| 20150344009 | HYDRAULIC ANTI-LOCK BRAKING SYSTEM FOR A TWO-WHEELER - A hydraulic anti-lock braking system for a two-wheel vehicle includes: an inlet valve for connecting and disconnecting a hydraulic connection between a brake actuating device and a wheel brake; an accumulator for accommodating brake fluid from the hydraulic connection between the inlet valve and the wheel brake; and an outlet valve for connecting and disconnecting the accumulator to and from the wheel brake. The accumulator is designed to return brake fluid into the hydraulic connection between the inlet valve and the wheel brake. | 12-03-2015 |
| 303119200 | System solenoid valve detail | 7 |
| 20080197697 | Hydraulic brake pressure control apparatus for vehicle - A hydraulic brake pressure control apparatus has a hydraulic unit having a housing, a casing fixed to the housing, and a circuit board arranged in the casing. A resilient member is disposed between the housing and the casing such that the housing and the casing are separated from each other, in order to reduce vibration transfer from the hydraulic unit to the circuit board. A part of the resilient member is also disposed between a bolt inserted into a through-hole formed in the resilient member and the casing. | 08-21-2008 |
| 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 |
| 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 |
| 20090289494 | METHOD FOR RELIABLY CLOSING A SOLENOID VALVE - A method is for closing a solenoid valve in which the solenoid valve is charged with a first current value that results in a first closing of the solenoid valve, and the solenoid valve is subsequently charged with a second current value that results in a renewed partial opening of the solenoid valve, and the solenoid valve is subsequently charged with a third current value that results in a second closing of the solenoid valve, the third current value being selected such that the second closing takes place with a higher closing speed of the solenoid valve than does the first closing. | 11-26-2009 |
| 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 |
| 20120326495 | ABS HYDRAULIC UNIT WITH ACCUMULATOR - An anti-lock braking hydraulic unit for a vehicle includes a body with actuator-side and brake-side ports. Inlet and outlet valves are positioned in the body and operable to selectively supply and relieve hydraulic fluid to/from the wheel cylinder of a brake via the brake-side port. An accumulator is fluidly coupled with the outlet valve to receive hydraulic fluid relieved from the wheel cylinder. The accumulator includes a bore formed in the body and an orifice formed in the body in fluid communication with the bore. The orifice is positioned at a first end of the bore, and a closure is sealingly engaged with a second end. A piston is sealingly received in the bore, movable within the bore along an axis defined thereby and dividing the bore into first and second variable volume chambers. At least one ferromagnetic pair magnetically biases the piston toward the first end of the bore. | 12-27-2012 |
| 303119300 | Housing for plural solenoids | 4 |
| 20080224534 | Solenoid Valve Device for Vehicle Brake Systems - The invention relates to a solenoid valve arrangement for an automotive braking system which arrangement is configured as a three-position/three-way valve. The invention is improved over the prior art in that two armatures and a single armature winding are assembled together such that both armatures can be displaced by the single armature winding. Each of the two armatures is associated with a respective sealing seat and the two sealing seats are situated on one side of the solenoid valve device, viewed in the axial direction of the armatures. The two sealing seats are embodied in a particularly advantageous fashion in or on a common sealing washer. The two sealing seats are arranged in a single sealing washer in such a way that the latter can be preassembled and then inserted into a predetermined location in the final assembly of the vehicle brake system solenoid valve device. | 09-18-2008 |
| 20090250998 | Electronic Control Unit With Cooling by Means of a Valve Block - Disclosed are hydraulic/electronic control units ( | 10-08-2009 |
| 20100072812 | VALVE ASSEMBLY - A valve assembly, which houses a valve closing member that co-operates with an armature to connect or separate pressure medium channels in a valve housing, the member being directed towards a valve seat which is situated on a valve seat body fixed in the valve housing. The valve assembly includes a solenoid for actuating the armature which is pushed onto a non-magnetisable sleeve section of the valve housing and a magnetic core that is diametrically opposed to the armature in the valve housing. Various valve functions can be achieved by using identical valve components in a modular manner. | 03-25-2010 |
| 20100219680 | Solenoid Valve Controller - A solenoid valve controller includes a control housing having a base provided with projections. Each of the projections has a recess provided therein. At least one elastomer element is arranged between at least two of the projections. A magnet coil yoke abuts the elastomer element and is fixed to at least one of the recesses. The elastomer element drives the magnet coil yoke away from the base and into engagement with an outer side of the hydraulic device when the magnet coil yoke is pressed toward the base by the outer side of the hydraulic device. The magnet coil yoke receives a solenoid valve unit of the hydraulic device therein. | 09-02-2010 |
