US 2018/0304962 A1Published application

Brake fluid pressure control unit and brake system for motorcycle

AssigneeRobert Bosch GmbH

InventorsEiji Adachi, Hiroaki Atsushi

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Abstract

A brake fluid pressure control unit that can improve installability of a brake system in a motorcycle is obtained. A brake system for a motorcycle that includes such a brake fluid pressure control unit is also obtained. A brake fluid pressure control unit 50 includes: a first primary base body 31 provided with an inlet valve 21 and an outlet valve 22 of a first hydraulic circuit 2; a first secondary base body 32 provided with a pressurizing/transferring mechanism 25 of the first hydraulic circuit 2; a second primary base body 33 provided with an inlet valve 21 and an outlet valve 22 of a second hydraulic circuit 3; and a second secondary base body 34 provided with a pressurizing/transferring mechanism 25 of the second hydraulic circuit 3, and the first primary base body 31, the first secondary base body 32, the second primary base body 33, and the second secondary base body 34 are separated.

A brake fluid pressure control unit of a brake system for a motorcycle, the brake system including:

a first hydraulic circuit that acts on a front wheel of the motorcycle;
and
a second hydraulic circuit that acts on a rear wheel of the motorcycle,
each of the first hydraulic circuit and the second hydraulic circuit including:
a primary channel that communicates between a master cylinder and a wheel cylinder;
and a secondary channel that releases a brake fluid in said primary channel,
the brake fluid pressure control unit comprising:
an inlet valve provided in each of the primary channel of the first hydraulic circuit and the primary channel of the second hydraulic circuit;
an outlet valve provided in each of the secondary channel of the first hydraulic circuit and the secondary channel of the second hydraulic circuit;
a pressurizing/transferring mechanism provided in each of a downstream side of the outlet valve in the secondary channel of the first hydraulic circuit and a downstream side of the outlet valve in the secondary channel of the second hydraulic circuit and pressurizing and transferring the brake fluid in each of said secondary channels;
a first primary base body formed with a partial channel of the first hydraulic circuit therein and provided with the inlet valve and the outlet valve of the first hydraulic circuit;
a first secondary base body formed with a partial channel of the first hydraulic circuit therein and provided with the pressurizing/transferring mechanism of the first hydraulic circuit;
a second primary base body formed with a partial channel of the second hydraulic circuit therein and provided with the inlet valve and the outlet valve of the second hydraulic circuit;
and
a second secondary base body formed with a partial channel of the second hydraulic circuit therein and provided with the pressurizing/transferring mechanism of the second hydraulic circuit;
wherein
the first primary base body, the first secondary base body, the second primary base body, and the second secondary base body are separated.

14 more elements

Facts

Application

15/771,055Filed 3 Nov 2016

Priority

JP 2015-2196839 Nov 2015

Published

25 Oct 2018

Term ends

Not estimatedThe source records don’t support an estimate.

Classification21 codes

B62L 3/08
Brake-actuating mechanisms ; Arrangements thereof: mechanisms specially adapted for braking more than one wheel
B60T 8/34
Responsive to a speed condition, e.g. acceleration or deceleration: having a fluid pressure regulator responsive to a speed condition
B60T 8/36
Having a fluid pressure regulator responsive to a speed condition: including a pilot valve responding to an electromagnetic force
B60T 8/368
Integrated in modulator units: combined with other mechanical components, e.g. pump units, master cylinders

Abstract

Claims14