Disclosed herein an electronic brake system includes a hydraulic pressure supply device including a first pressure chamber and a second pressure chamber partitioned by a hydraulic piston, and a hydraulic control unit, wherein the hydraulic control unit comprises a first hydraulic flow path connecting the first pressure chamber and one of the first and second hydraulic circuits, a second hydraulic flow path branched from the first hydraulic flow path to connect to the other one of the first and second hydraulic circuits, a third hydraulic flow path branched from the first hydraulic flow path on upstream side of a branch point of the second hydraulic flow path to connect the second pressure chamber, and a fourth hydraulic flow path branched from the first hydraulic flow path on upstream side of a branch point of the third hydraulic flow path to connect the third hydraulic flow path.

Provided is an electronic brake system including: a reservoir in which a pressurized medium is stored; an integrated master cylinder including a simulation chamber, a simulation piston provided in the simulation chamber to be displaceable by a brake pedal, a master chamber, a master piston provided in the master chamber to be displaceable by a displacement of the simulation piton or a hydraulic pressure of the simulation chamber, an elastic member provided between the simulation piston and the master piston, a piston spring elastically supporting the master piston, a simulation flow path connecting the simulation chamber to the reservoir, and a simulator valve provided in the simulation flow path to control a flow of a pressurized medium; a hydraulic pressure providing unit provided to generate a hydraulic pressure by operating a hydraulic piston according to an electrical signal output in response to a displacement of the brake pedal; a hydraulic pressure control unit including a first hydraulic circuit provided to control the hydraulic pressure to be transferred to two wheel cylinders, and a second hydraulic circuit provided to control the hydraulic pressure to be transferred to other two wheel cylinders; an electronic control unit configured to control valves based on hydraulic pressure information and displacement information of the brake pedal; a backup flow path connecting the simulation chamber to the first hydraulic circuit; an auxiliary backup flow path connecting the master chamber to the backup flow path; and an inspection valve provided in the auxiliary backup flow path to control a flow of the pressurized medium.

An annular groove has: a side peripheral surface that is shaped in a ring form and is formed such that the side peripheral surface inwardly extends from a bottom surface of the annular groove in a radial direction of a tubular member and is joined to an inner peripheral wall of the tubular member; and a specific shape surface that is formed along at least a part of the side peripheral surface between a bottom surface side end part and an inner peripheral wall side end part of the side peripheral surface such that a diameter of the specific shape surface is progressively reduced in an axial direction of the tubular member from one axial side, at which the bottom surface is placed, toward another axial side, at which the inner peripheral wall is placed.

A system for delivering an amount of fluid medium includes an injector, a delivery catheter and a pulsatile generator. The injector is configured for injecting the fluid medium during an injection cycle. The delivery catheter includes a conduit for delivering the fluid medium. The pulsatile generator is configured to apply a pulsatile force on the fluid medium delivered through the delivery catheter at a pulsation frequency. The pulsatile force is defined by a plurality of duty cycles during the injection cycle, each of the plurality of duty cycles including a first flow level and a second flow level that is lower than the first flow level. The pulsation frequency is 3 or more duty cycles per second.

The invention relates to a fluid valve and fluid connection system, comprising a casing having a chamber with a first internal connection element and a first external connection element; comprising a first movable valve element in the chamber; and comprising an actuating element which has a fluid communication system with a second internal connection element and a second external connection element; wherein the first internal connection element cooperates with the second internal connection element and the valve element to establish or block a fluid connection between the first and second external connection elements.

The invention relates to a fluid valve and fluid connection system, comprising a casing having a chamber with a first internal connection element and a first external connection element; comprising a first movable valve element in the chamber; and comprising an actuating element which has a fluid communication system with a second internal connection element and a second external connection element; wherein the first internal connection element cooperates with the second internal connection element and the valve element to establish or block a fluid connection between the first and second external connection elements.

This flow regulation device comprises a housing (200) having an inlet port (202) and an outlet port (204), and a fluid flow conduit (206) between them, a valve body (208) mounted in the housing (200), and a first (210) and a second (212) orifices allowing fluid flow in the conduit (206). The valve body (208) is movable between an open position, in which the first and second orifices (210, 212) are open, and a closed position, in which only one (210) of the first and second orifices (210, 212) is open. The flow regulation device (20) comprises a resilient element (214) urging the valve body (208) towards its open position, and the valve body (208) passes from its open to its closed position under action of fluid pressure (P) entering in the inlet port (202).

A one-way valve (10) comprises: a valve housing (100) having a first end portion, a second end portion, a valve housing channel (110), and a stopper projection (108) provided within the valve housing channel (110); a valve body (200) having a first end portion, a second end portion, and a valve body channel (202) in fluid communication with the valve housing channel (110), the second end portion of the valve body (200) being snap-fit to the first end portion of the valve housing (100); and a sealing plug (300) slidably disposed within the valve body channel (202), wherein an inner diameter of the valve housing channel (110) is greater than an inner diameter of the valve body channel (202) and an outer diameter of the sealing plug (300), and a distance between the stopper projection (108) and the second end portion of the valve body (200) is greater than a longitudinal length of the sealing plug (300). A tire repair glue bottle (1) having a one-way valve comprises: a bottle body (20) containing glue; an air intake device (40) attached to the bottle body (20); a bottle lid (50) attached to the bottle body (20); a glue tube (30) provided within the bottle body (20) and having one end connected to the bottle lid (50); and an one-way valve (10), wherein the second end portion of the valve housing (100) of the one-way valve (10) is connected to the other end of the glue tube (30).

A poppet-style check valve comprising a small poppet and a large poppet. When low flow rates are required, the small poppet opens and permits the low flow rate to pass efficiently. When demand for flow increases, the large poppet opens, permitting efficient passage of higher flow rates.

A vent is described, more specifically a vent for the egress of fluid. The vent comprises a housing comprising an opening and at least one valve that extends through the housing. Additionally, the vent includes a plurality of baffles within the housing, where each baffle in the plurality of baffles comprises at least one aperture, and wherein the aperture or apertures of a first baffle within the plurality of baffles are offset from the aperture or apertures of a second baffle within the plurality of baffles. In this way, the egress of various fluids though the housing may be controlled.