Toyota Jidosha Kabushiki Kaisha

Tetsuya Fujimoto

Ikuru Konno

Takenori Kubo

Takahiro Ogawa

A vehicle braking device includes: a brake fluid pressure generation device arranged in a storage chamber separated from a vehicle cabin; and a brake operation part mechanically connected to the brake fluid pressure generation device, the brake operation part being not provided in the vehicle cabin. The brake fluid pressure generation device includes a cylinder and pistons configured to slide inside the cylinder. The brake fluid pressure generation device is configured to generate brake fluid pressure in accordance with strokes of the pistons. The brake fluid pressure generation device is arranged such that a sliding direction of the pistons is along a direction different from the vehicle front-rear direction in a plan view.

Vehicle braking device

Provided is a support structure for a plurality of electrically actuated brake fluid pressure generation devices provided in a vehicle in which automated driving is enabled, the brake fluid pressure generation devices being configured to generate brake fluid pressure. The support structure includes a support member (a first bracket, a second bracket, and an actuator bracket) via which a brake actuator and a brake unit are supported by frame members forming a storage chamber separated from a vehicle cabin. The support member is supported by the frame members at two points. The brake actuator and the brake unit are mechanically connected to each other via the support member.

Support structure for brake fluid pressure generation device

A vehicle includes a vehicle cabin, a storage chamber, and a partition wall separating the storage chamber from the vehicle cabin. The storage chamber is arranged on at least one side of the vehicle cabin in the vehicle front-rear direction. The partition wall has an opening and the storage chamber communicates with the vehicle cabin via the opening. A cover configured to open and close the opening is provided over the opening. A brake fluid pressure generation device is stored in the storage chamber. The brake fluid pressure generation device includes a reservoir tank in which hydraulic fluid is accumulated and is arranged at a position facing the opening.

Vehicle

A braking system is provided. The braking system includes a plurality of brake fluid pressure generation devices provided in a front-side storage camber of a vehicle in which automated driving is enabled. The brake fluid pressure generation devices are provided on the same fluid pressure transmission route and include a non-electrically actuated brake pedal unit. The braking system includes an emergency stop button provided in a vehicle cabin, and an emergency brake circuit that generates braking force with use of the brake pedal unit in a non-energized state or in a case of transition to the non-energized state after the emergency stop button is operated.

Braking system

An electric vehicle includes: a motor; a braking device for wheel braking, the braking device including a brake fluid pressure generation device; an air-conditioning device; and a battery as a power source for the motor. The vehicle is not provided with a driver seat that allows a user to operate a steering wheel, an accelerator pedal, and a brake pedal in a state where the user sits on the driver seat, and the vehicle is configured to perform automated driving. A first storage chamber and a second storage chamber are provided in a first end portion and a second end portion of the vehicle in the vehicle front-rear direction, respectively, such that the first storage chamber and the second storage chamber partially overlap a vehicle cabin in the vehicle front-rear direction. A third storage chamber is provided under a floor of the vehicle cabin.

Electric vehicle

A brake dust cover is disposed between a non-rotating body rotatably supporting an axle and a disc rotor rotating together with the axle so as to cover the disc rotor from an inner side in a vehicle width direction. The brake dust cover includes a first plate-like member having a C-shape in which a part of a circular ring is cut out, and a second plate-like member coupled to the first plate-like member. The second plate-like member includes a fixed portion fixed to the non-rotating body, and a plurality of support portions extending radially from the fixed portion. The first plate-like member is coupled to the second plate-like member to overlap the support portions such that an opening portion is formed between an inner edge of the first plate-like member and an outer edge of the fixed portion of the second plate-like member when viewed in the vehicle width direction.

Growing community of inventors

Toyota, Japan

Tetsuya Fujimoto