Robert Boschgmbh

Bosch Corporation

Hiroaki Atsushi

Makoto Sasaki

Takashi Ogawa

Kazuki Chiba

Kosaku Sagayama

Shigeki Ikeda

Tohru Masuno

Jun Ohtaka

Eiji Adachi

Mikiya Kotaka

Yoshio Tajika

Sirichai Bannasarn

Ryoji Nakano

To achieve a brake hydraulic pressure control system for a straddle-type vehicle which makes it possible to reduce its size as compared to existing ones. A brake hydraulic pressure control system () according to the present invention including: a substrate (); a motor () which is a brushless motor configured to drive a pump device (); a housing () which is connected to the substrate (); and a detection mechanism () which is configured to detect the rotation state of an output shaft () of the motor (), in which the motor () is disposed in a space surrounded by the substrate () and the housing (), and a bearing () of the motor () is inserted into a concave part () formed in the substrate ().

Brake hydraulic pressure control system and straddle-type vehicle

A hydraulic pressure control unit capable of suppressing application of an external force thereto in comparison with the related art at the time when mounted to a straddle-type vehicle is obtained. A hydraulic pressure control unit () includes a base body () that is formed with a master cylinder port (), a wheel cylinder port (), and an internal channel () communicating the master cylinder port () and the wheel cylinder port () with each other. The master cylinder port () is formed in an upper surface () of the base body (), and the wheel cylinder port () is formed in a lower surface () of the base body (), the lower surface () opposing the upper surface (). The internal channel () is configured not to be able to return a brake fluid in an accumulator () to the master cylinder port () without interposing an outlet valve (). An inlet valve recess () and an outlet valve recess () are aligned in a direction in which the upper surface () and the lower surface () are aligned.

Hydraulic pressure control unit, brake system, and straddle-type vehicle

A hydraulic pressure control unit capable of suppressing application of an external force thereto in comparison with the related art at the time when mounted to a straddle-type vehicle is obtained. A hydraulic pressure control unit () includes: a base body () formed with an internal channel through which a brake fluid flows; an inlet valve and an outlet valve that open/close the internal channel during anti-lock brake control; a first coil () as a drive source of the inlet valve; a second coil as a drive source of the outlet valve; and a circuit board () that is electrically connected to the first coil () and a second coil and controls energization of the first coil () and the second coil. The base body () is held to a front fork (). When the straddle-type vehicle to which the hydraulic pressure control unit () is mounted is seen in a front view, the circuit board () is located behind the front fork () and the base body (), and the first coil () and the second coil are erected from a rear surface of the base body ().

The present invention obtains a controller capable of improving safety of a motorcycle. The controller that controls vehicle body behavior of the motorcycle includes: an acquisition section that acquires trigger information generated in accordance with peripheral environment of the motorcycle; and an execution section that initiates a control mode making the motorcycle execute an automatic brake operation in accordance with the trigger information acquired by the acquisition section and makes the motorcycle generate a braking force. The acquisition section further acquires deceleration resistance information that is information related to a driver's driving posture on the motorcycle, and the execution section changes a control command that is output in the control mode in accordance with the deceleration resistance information acquired by the acquisition section.

Controller, vehicle body behavior control system, motorcycle, and control method

A hydraulic pressure control unit disposed at a suitable place of a bicycle is provided. A braking system including such a hydraulic pressure control unit is also provided. A bicycle including such a braking system is also provided. A hydraulic pressure control unit () of a braking system () mounted on a bicycle () and capable of executing an antilock braking control includes: an inlet valve () and an outlet valve () which are opened and closed when the antilock braking control is executed; and a base body () to which the inlet valve () and the outlet valve () are attached, wherein a mount part of the hydraulic pressure control unit () for mounting the hydraulic pressure control unit () to the bicycle () is joined to a front fork () of the bicycle ().

Hydraulic pressure control unit, braking system, and bicycle

A hydraulic pressure control unit where a degree of freedom in connection to a bicycle is improved is provided. A braking system including such a hydraulic pressure control unit is also provided. A bicycle including such a braking system is also provided. A hydraulic pressure control unit () of a braking system mounted on a bicycle and capable of executing an antilock braking control includes a base body (), a coil casing () in which an inlet valve and an outlet valve are accommodated, and a fixing member (). The fixing member () is joined to the coil casing () or the base body () in a state where a columnar space () with both ends opened is formed between a partial region of an outer surface of the coil casing () or the base body () and a partial region of an outer surface of the fixing member ().

The present invention obtains a controller capable of improving safety of a motorcycle. The controller that controls vehicle body behavior of the motorcycle includes: an acquisition section that acquires trigger information generated in accordance with peripheral environment of the motorcycle; and an execution section that initiates a control mode making the motorcycle execute an automatic brake operation in accordance with the trigger information acquired by the acquisition section and makes the motorcycle generate a braking force. The acquisition section further acquires seat load information that is information of a load received by a seat of the motorcycle, and the execution section changes the automatic brake operation, which is executed in the control mode, in accordance with the seat load information acquired by the acquisition section.

To obtain a hydraulic pressure control unit and a straddle-type vehicle brake system, each of which can answer a request for downsizing. The straddle-type vehicle brake system has a hydraulic circuit that includes: a primary channel through which brake fluid in a master cylinder is delivered to a wheel cylinder; a secondary channel through which the brake fluid in the wheel cylinder is released to a primary channel intermediate portion; and a supply channel that supplies the brake fluid to a secondary channel intermediate portion. In a state where a surface on which a motorof a base bodyin the hydraulic pressure control unit is vertically provided is seen from the front, an opening for a first valvethat controls a flow rate on the wheel cylinder side of the primary channel intermediate portion and an opening for a second valvethat controls a flow rate on an upstream side of the secondary channel intermediate portion overlap a first straight line L, and an opening for a third valvethat controls a flow rate on the master cylinder side of the primary channel intermediate portion and an opening for a fourth valvethat controls a flow rate of the supply channel overlap a second straight line Lthat crosses the first straight line Lat a right angle.

Hydraulic pressure control unit for straddle-type vehicle brake system and straddle-type vehicle brake system

Hydraulic brake controller for straddle-type vehicles

A brake hydraulic pressure control unit capable of improving mountability of a brake system on a motorcycle is obtained. In addition, a brake system for a motorcycle including such a brake hydraulic pressure control unit and a motorcycle are obtained. In the brake hydraulic pressure control unit of the brake system for a motorcycle, an inlet valve, an outlet valve, and a pump in one of hydraulic circuits as a boost-type hydraulic circuit and a first valve and a second valve in the hydraulic circuit are separately provided in a primary base body and a secondary base body. The primary base body and the secondary base body are separated from each other.

Brake hydraulic pressure control unit, brake system for motorcycle, and motorcycle

The invention obtains a hydraulic brake system, installability of which in a bicycle is improved. The invention also obtains a bicycle that includes such a hydraulic brake system. The invention further obtains a method for controlling such a hydraulic brake system. A hydraulic brake systemincludes a hydraulic pressure controllerand a power supply unitof the hydraulic pressure controller, the hydraulic pressure controllerincluding: a base section that is formed with a channel, through which a brake fluid flows, therein; a valve that is attached to the base section and opens and closes the channel; and a control section that governs an opening/closing operation of the valve and controlling hydraulic pressure of the brake fluid that is supplied to a wheel braking section of the bicycle. The power supply unitincludes a generatorthat generates electric power by traveling of a bicycle

Hydraulic brake system, bicycle, and method for controlling hydraulic brake system

A brake fluid pressure control unit that can improve cost performance of a brake system is obtained. A brake system that includes such a brake fluid pressure control unit and a motorcycle are also obtained. A brake fluid pressure control unitincludes: an inlet valveprovided in a primary channel; an outlet valveprovided in a secondary channel; a pressurizing/transferring mechanismprovided on a downstream side of the outlet valvein the secondary channeland pressurizing and transferring a brake fluid in the secondary channel; and a controllerfor executing a fluid pressure control operation of the brake fluid in a wheel cylinder, and a power source of the pressurizing/transferring mechanismis a drive mechanismof the motorcycle, the drive mechanismbeing driven in a state where the fluid pressure control operation by the controlleris not executed.

Brake fluid pressure control unit, brake system for motorcycle, and motorcycle

A brake hydraulic pressure control device () controls a fluid pressure of a brake fluid supplied to wheel cylinders mounted on brake calipers () of a motorcycle (). The brake hydraulic pressure control device () includes: a base body in which flow passages are formed; and valves which open or close the flow passages. The base body is fixed below a spring in connecting portions (A,B) which connect a trunk portion () of the motorcycle () and a wheels (front wheel (), rear wheel ()) to each other.

Brake hydraulic pressure control device and anti-lock brake system

Provided is an ABS hydraulic unit where it is unnecessary to change a size of a control circuit board corresponding to a size of a block. An ABS hydraulic unit for performing an antilock brake control of a hydraulic brake includes: a pump and a valve mounted in a hydraulic circuit for making the hydraulic brake perform braking; a motor for operating the pump; a block into which the pump, the valve and the motor are assembled; and a control circuit board for controlling the motor and the valve, wherein the block has a first surface into which. the motor and the valve are assembled, and a second surface which intersects with the first surface, and the control circuit board is arranged such that the control circuit board extends along the second surface and the valve is positioned between the control circuit board and the motor, the control circuit board being electrically connected with the motor and the valve through a wire extending along the first surface.

Growing community of inventors

Kanagawa, Japan

Hiroaki Atsushi