A brake-bleeder system for bleeding two brake calipers using hydraulic brakes simultaneously is disclosed herein. The brake-bleeder system includes a fluid-reservoir with a first-tube detachably coupled to an opening of the fluid-reservoir. A three-way splitter couples the first-tube to a second-tube and a third-tube. The second-tube and the third-tube may connect to brake calipers on a vehicle.

Provided is a front vehicle body structure of a vehicle equipped with a vehicle brake system including an electric brake actuator that generates a brake hydraulic pressure based on at least a brake pedal operation and a reservoir tank for a brake fluid, the electric brake actuator and the reservoir tank being disposed to be spaced apart from each other in a mounting compartment for a power unit defined in front of a dashboard. The electric brake actuator is eccentrically disposed in the mounting compartment on the left or right side of the vehicle.

A fixing point for fixing a piping tube connecting the electric brake actuator and the reservoir tank is provided on a junction box inside the mounting compartment.

A method for controlling a force representative of a parking braking of a vehicle, having the steps of: determining, by a data processing unit, a target value of a force representative of a parking braking of the vehicle to be applied, by a first brake caliper, on a first brake disc on the basis of a value of the gradient of the road on which the vehicle is located; determining, by the data processing unit, a value of a first force contribution representative of a service braking of the vehicle applied by a first hydraulic actuator on the first brake disc; determining, by the data processing unit, a value of a second force contribution representative of the parking braking of the vehicle to be applied, by a second electromechanical actuator, on the first brake disc on the basis of a target value of a force representative of a parking braking of the vehicle which can be applied by the first brake caliper on the first brake disc, and of the determined value of the first force contribution representative of a service braking of the vehicle; operating, by the data processing unit, the second electromechanical actuator to apply the determined value of the second force contribution representative of the parking braking of the vehicle on the first brake disc.

A hydraulic operating device for a fluid of a cycle or of a motorcycle hydraulic system including a body, a first chamber carved in the body adapted to house an actuating piston, a second tank-chamber carved in the body and in fluid communication with said first chamber, a floating plug, a sphere, an elastic element, a rear sealing element and a rear plug.

The disclosure relates to a method for operating a hydraulic brake system of a motor vehicle. The method comprises recording a value that is representative of a transfer function of the brake system, and comparing the recorded value with a threshold value. The method further comprises generating an error signal if the recorded value exceeds the threshold value. The value may be indicative of a brake pressure, a brake pressure request signal and a decreasing acceleration of the motor vehicle.

A brake fill test apparatus that includes a vessel including an interior having a fill chamber, a first sensor chamber, and a second sensor chamber. The vessel also includes at least one port that provides access to the fill chamber. A first valve is configured to provide selective flow communication between the fill chamber and the first sensor chamber, and a second valve is configured to provide selective flow communication between the fill chamber and the second sensor chamber. A first sensor is coupled within the first sensor chamber and a second sensor is coupled within the second sensor chamber. The first sensor is configured to monitor a positive gauge pressure within the interior and the second sensor is configured to monitor a negative gauge pressure within the interior.

A brake caliper inspection apparatus that includes a housing including an interior and a plurality of ports that provide access to the interior. The apparatus also includes a plurality of components each coupled to a port of the plurality of ports. The plurality of components includes a sensor configured to monitor a gauge pressure within said interior, a nozzle configured to channel fluid therethrough, and a viewing dome configured to provide a visual indication of an air-to-fluid ratio within said interior.

A brake system for a vehicle such as a bicycle is disclosed. The brake system may comprise an improved master cylinder assembly configured for adjustment (such as adjustment of the stroke length, stroke start, etc.). The brake system may comprise a caliper assembly with an improved arrangement of flow paths configured to facilitate maintenance (such as to remove/bleed air and/or fluid from the body of the caliper assembly, inspection, etc.); the caliper assembly may also be configured for use with a tool (e.g. configured to fit in body to remove/bleed air and/or fluid from flow paths during maintenance). The master cylinder assembly may be configured (e.g. manufactured/produced, assembled, etc.) so that a setting and/or adjustment of the brake stroke and/or lever action/actuation can be provided by any one independent mechanism or one separate adjustment mechanism (e.g. without any other adjustment mechanism) or by a combination of adjustment mechanisms (e.g. in a combination with one or more adjustment mechanism); operation of a mechanism for setting and/or adjusting the brake stroke (e.g. travel of piston) may comprise engagement of a pushrod; the mechanism may comprise a feature configured to engage the pushrod (e.g. by direct action on the pushrod or a feature of the pushrod or by indirect action through a link, adjuster, etc. configured to engage the pushrod). The master cylinder assembly may be configured to be set and/or adjusted/tuned within the indicated range to provide an intended performance and/or feel for the operator at the brake lever (e.g. at an adjuster, link, etc.).

Transportable system for the diagnosis, evaluation and prediction of leakages in hydraulic circuits of low pressure between 0 to 7 bar and of high pressure from 0 to 170 bar, quickly and safely for the operator is provided having a first independent circuit of high pressure and low flow and a second independent circuit of low pressure and high flow wherein the first independent circuit comprises: a first pressure subsystem, which delivers pressure to a first 4/3 valve with ports A, B, P and T, which is actuated by first solenoids, to deliver pressure to a first coupling A or to a first coupling B, in fluid communication with the ports A and B of the first 4/3 valve respectively a computer arranged to control the pressure of each pressure subsystem and associated method.

A method for controlling an electronically slip-controllable power-brake system with redundant generation of brake pressure. Under certain operating conditions, a shift in the pressure-volume characteristic curve towards higher pressures may arise in such power-brake systems. If the actual progression of the pressure-volume characteristic curve deviates from the target progression to an extent which can no longer be tolerated, a correction is required. To this end, a pressure-medium volume must be released from the brake circuit into a reservoir of the power-brake system. A method with which the release of pressure medium into the reservoir may be carried out in a controlled manner. The method can be carried out during a braking procedure without undesired noises or unexpected changes in the deceleration arising. It can be implemented by control technology and therefore in a particularly cost-effective manner.