A brake system includes: brake cylinders; electromagnetic valve devices respectively corresponding to the brake cylinders and capable of individually controlling hydraulic pressures in the respective brake cylinders; pumps respectively connected to the brake cylinders; one pump motor driven in common with the pumps; and a brake-hydraulic-pressure controller that controls the electromagnetic valve devices and the one pump motor to control the hydraulic pressures in the respective brake cylinders. The brake-hydraulic-pressure controller includes: a first pressure-increase controller that controls the one pump motor to bring the hydraulic pressures in the respective brake cylinders closer to respective target hydraulic pressures; and a second pressure-increase controller that controls the one pump motor based on a greatest one of the target hydraulic pressures for the respective brake cylinders and control the electromagnetic valve devices to bring the hydraulic pressures in the respective brake cylinders closer to the respective target hydraulic pressures.

A pumpless-type brake hydraulic pressure unit comprising a housing that includes a base body, an inlet valve hole accommodating an inlet valve, an outlet valve hole accommodating an outlet valve, a master cylinder port connected to a master cylinder, a reservoir port connected to a reservoir, a wheel cylinder port connected to a wheel cylinder, and a pipeline. The base body includes a first side face, a second side face, and a third side face. The inlet valve hole and the outlet valve hole are open on the first side face, the master cylinder port and the wheel cylinder port are provided on the second side face. The first side face and the second side face are perpendicular to one another, the first side face and the third side face are perpendicular to one another, and the second side face and the third side face are perpendicular to one another.

An adjustable magnetic valve includes a magnet assembly and a guide sleeve in which a static component is arranged fixedly and a valve armature is arranged so as to be axially displaceable therein. The magnet assembly is pushed onto the static component and the guide sleeve. The static component forms an axial stop for the valve armature, which either forces a closing element into a valve seat or lifts the closing element from the valve seat depending on the direction in which the valve armature is driven. The valve armature and the static component are each formed as plastic components. The valve armature has a magnet receptacle that receives a permanent magnet, which is polarized in terms of its movement direction such that the permanent magnet is arranged within the magnet assembly regardless of the armature stroke.

A valve assembly including: a valve body comprising a valve chamber, a first fluid port, a second fluid port, and a third fluid port, wherein the first fluid port, the second fluid port and the third fluid port are in fluid communication with the valve chamber; a first plunger movably disposed within the valve chamber, wherein when the first plunger is in the open position, the first fluid port is in fluid communication with the second fluid port, and wherein when the first plunger is in the closed position the first fluid port is fluidly isolated from the second fluid port; and a second plunger movably disposed within the valve chamber, wherein when the second plunger is in the open position the second fluid port (8b) is in fluid communication with the third fluid port, and wherein when the second plunger is in the closed position, the second fluid port is fluidly isolated from the third fluid port.

Provided is a hydraulic pressure control device and a braking system capable of improving the productivity. The hydraulic pressure control device includes: a normally-closed electromagnetic valve, which includes a first valve part arranged so as to extend from a surface of a housing to an inside of the housing, and is configured to close an oil passage in the housing when a current is not supplied; and a normally-open electromagnetic valve, which includes a second valve part being arranged so as to extend from the surface of the housing to the inside of the housing, and including a common portion having a shape common to the first valve part, and is configured to open the oil passage in the housing when a current is not supplied.

Provided is a hydraulic pressure control device and a braking system, which are capable of increasing a degree of freedom in layout of oil passages inside a housing. The hydraulic pressure control device includes a normally-closed type electromagnetic valve and a normally-open type electromagnetic valve. The normally-closed type electromagnetic valve includes a first valve part arranged so as to extend from a surface of the housing to an inside of the housing, and is configured to close an oil passage when a current is not supplied. The normally-open electromagnetic valve includes a second valve part being arranged so as to extend from the surface of the housing to the inside of the housing and having an axial length set to be equal to an axial length of the first valve part, and is configured to open the oil passage when a current is not supplied.

Provided is a brake control device in which a stable intermediate opening degree can be achieved. The amount of energization for energizing a solenoid of an electromagnetic valve is calculated in accordance with upstream-downstream pressure difference of the electromagnetic valve before the end of hydraulic pressure adjustment of a braking force generator. The valve opening amount of the electromagnetic valve is controlled to fall within an intermediate opening range between the open and closed positions of the electromagnetic valve.

The solenoid valve according to the embodiment of the present disclosure includes a filter member accommodated in a bore of a modulator block, a valve seat including an orifice, and a plunger configured to open and close the orifice, wherein the boss in which a connecting path is formed is inserted into the valve seat located at a center of the filter member, a plunger valve configured to be vertically moved due to a pressure of supplied oil and including a vertical hole formed to pass through a center of the plunger valve is disposed below the connecting path, and a plunger valve seat having a diameter greater than that of the connecting path is provided at a lower portion of the connecting path to selectively come into contact with an outer surface of the plunger valve when the plunger valve is moved upward.

Provided are an electromagnetic valve capable of suppressing an increase in size in an axial direction thereof, a fluid pressure control device, and a brake apparatus. A first filter member configured to filter a fluid is provided in a flow path between a valve seat and a second communication bore.

Disclosed is a solenoid valve for a brake system. The solenoid valve includes a valve housing installed in a bore of a modulator block and configured to include an internal flow path, a valve sheet provided at the internal flow path of the valve housing and configured to include an orifice, an armature configured to be slidably moved up and down by a magnet core and to include an opening or closing sphere configured to selectively open or close the orifice, a sleeve configured to accommodate the armature therein and to have one end coupled to the valve housing and the other end at which the magnet core is provided, and a damper guide provided at the internal flow path of the valve housing to come into contact with and surround the armature.