A smart brake system for adjusting a brake clamping force to be applied to brake pads of a vehicle comprises: an interface for receiving vehicle operation data measured by vehicle sensors, a memory device for storing data about a previous brake event, a current brake event, and a temperature prediction model, and a controller connected to the interface and the memory device. The controller estimates the current temperature of the rotor and adjusts the brake clamping force applied to the brake pads to compensate for the estimated current temperature. The vehicle operation data include current ambient temperature, current brake clamping force and current vehicle speed. The controller is configured to estimate the current temperature of the rotor from the vehicle operation data, the data about a previous brake event, and the data about a current brake event using the temperature prediction model.

The present disclosure in some embodiments provides an oil reservoir assembly for a vehicle, the assembly comprising: a first oil reservoir formed with an outlet; a second oil reservoir spaced apart from the first oil reservoir in a lateral direction and in front of the vehicle, in fluid communication with a master cylinder, and having an inlet; a connecting member connecting the outlet and the inlet to convey a working fluid from the first oil reservoir to the second oil reservoir and a first rib located inside the second oil reservoir, extending from an upper surface of the second oil reservoir and parallel to a longitudinal direction of the vehicle, and extending in a first direction of the inlet.

The present invention comprises: a piston provided in a cylinder hole; a lid member which closes an opening on the other side of the cylinder hole; and elastic members and which are provided between the piston and the lid member. The elastic members and comprise a first elastic member provided on the piston side of the cylinder hole, and a second elastic member provided on the lid member side of the cylinder hole. The second elastic member has a base portion provided in line with the first elastic member, and a protruding portion protruding from the piston side end surface of the base portion. When the piston has moved in the axial direction to the lid member side, the protruding portion touches the piston, undergoing compressive deformation, and the base portion subsequently undergoes compressive deformation.

A second electrohydraulic brake control device for a motor vehicle comprises a pressure control valve assembly, an controllable pressure source and a reservoir connection. For a group of wheel brakes, the second electrohydraulic brake control device is connected in series between the associated output pressure connections of a first or main brake control device and the vehicle wheel brakes.

Provided is an check valve. The check valve comprising a plurality of valve parts in which an internal flow path is selectively open/closed by opening/closing members, wherein the plurality of the valve parts are stacked in a line. And the check valve further comprising a cylinder-shaped valve housing open on one side, wherein each opening/closing member of the plurality of valve parts is received from the open one side of the valve housing.

A method for checking functionality of a motor vehicle braking system. The braking system has a main module, including: hydraulically actuatable wheel brakes, pairs being assigned to respective brake circuits; at least one electrically actuatable wheel valve per wheel brake sets wheel-specific brake pressures; a pressure provision device actively builds up pressure in the wheel brakes; a pressure-medium reservoir at atmospheric pressure, and an auxiliary module, which has for each of two wheel brakes: a pressure sensor for measuring pressure in a wheel brake line; an open when deenergized isolating valve in the wheel brake line; a pump. At least one variable is measured to assess functionality of the braking system. Using least one acceptance criterion, and checked whether the variable satisfies the acceptance criterion. Determining at least one variable representing the viscosity of the brake fluid, and the at least one acceptance criterion depends on a variable representing viscosity.

When another pump is actuated while a pump is de-actuated, a pressure adjustment valve is brought into a valve-opened state after a shut-off valve is actuated in a valve-opening direction and the another pump is actuated.

Provided is a work vehicle capable of satisfying a user's demand to brake performance in a flexible manner. A wheel loader 1 comprises a controller 5 storing a plurality of control characteristics each of which is set such that a brake valve control pressure Pi of a solenoid proportional valve 45 increases as a pedal angle θ of a brake pedal 43 increases, and under the condition where a pedal angle θ is equal to or less than a predetermined pedal angle θ, an increase rate of the brake valve control pressure Pi with respect to the pedal angle θ varies. In a case where the pedal angle θ detected by a potentiometer 33 is equal to or less than the predetermined pedal angle θth, the controller 5, calculates the brake valve control pressure Pi based on the selected one control characteristic.

This application is applicable to intelligent automobiles, new energy automobiles, conventional automobiles, or the like. In embodiments of this application, a fluid outlet pipe of a first hydraulic chamber 16 is configured in segments on a push rod support portion 14 and a push rod 13. In this way, when a piston 12 is located at an inner stop point of a piston stroke, a first hydraulic adjustment port 14a located on the push rod support portion 14 communicates with a second hydraulic adjustment port 13a located on the push rod 13, and when the piston 12 is located at a position other than the inner stop point in the piston stroke, the first hydraulic adjustment port 14a does not communicate with the second hydraulic adjustment port 13a.

An electronic hydraulic brake device includes: a pedal master to generate hydraulic pressure through pressurization of a pedal and including first and second master chambers; a reservoir including first and second reservoirs to store hydraulic fluid; an electric master to generate hydraulic pressure and including forward and backward chambers; a wheel cylinder to provide a braking force to front and rear wheels; a storage line connecting the pedal master and the reservoir to guide hydraulic fluid; a forward chamber line connecting the first master chamber, the forward chamber, and the wheel cylinder to guide hydraulic fluid; a backward chamber line connecting the second master chamber, the backward chamber, and the wheel cylinder to guide hydraulic fluid; and a connector selectively connecting the forward chamber line and the backward chamber line to guide hydraulic fluid.