# US 2021/0276520 A1 · Hydraulic pressure control unit

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- Number: US 2021/0276520 A1
- Document ID: US20210276520A1
- Status: Published application
- Kind: A1
- Application number: 17/053,907
- Filed: 2019-04-10
- Published: 2021-09-09
- Earliest claimed: 2018-05-07
- Assignees: Robert Bosch GmbH
- Applicants: Robert Bosch GmbH
- Inventors: Jun Ohtaka; Takuya Okada
- Web page: https://patentgrep.com/patent/US20210276520A1

## CPC

- B60T 8/368: {combined with other mechanical components, e.g. pump units, master cylinders}
- B60R 16/023: for transmission of signals between vehicle parts or subsystems
- B60T 8/1706: {for single-track vehicles, e.g. motorcycles}
- H04L 12/40: Bus networks
- H04L 2012/40215: {Controller Area Network CAN}
- B60T: VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL (electrodynamic brake systems for vehicle, in general B60L; brakes per se, i.e. devices where braking effect occurs, including ultimate brake actuators, F16D); ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- B60R: VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- H04L: TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION (arrangements common to telegraphic and telephonic communication H04M)

## Abstract

The present invention obtains a hydraulic pressure control unit capable of saving a space where a device can be mounted in a straddle-type vehicle. In the hydraulic pressure control unit according to the present invention, a controller includes a brake control section that controls operation of a component for controlling a brake hydraulic pressure generated in the straddle-type vehicle, and the brake control section is accommodated in a case that is held by a base body. The controller further includes a power control section that controls operation of a power generator for the straddle-type vehicle, and the power control section is accommodated together with the brake control section in the case.

## Claims

### Claim 1

A hydraulic pressure control unit (5) of a brake system (10) for a straddle-type vehicle (100), the hydraulic pressure control unit comprising:
a hydraulic pressure control mechanism (51) that includes: a base body (51a); and a component incorporated in the base body (51a) to control a brake hydraulic pressure generated in the straddle-type vehicle (100);
a controller (52) that includes a brake control section (52a) that controls operation of the component; and
a case (53) that is held by the base body (51a) in a state of accommodating the brake control section (52a), wherein
the controller (52) includes a power control section (52b) that controls operation of a power generator for the straddle-type vehicle (100), and the power control section (52b) is accommodated together with the brake control section (52a) in the case (53).

### Claim 2 (depends on 1)

The hydraulic pressure control unit according to claim 1, wherein the power control section (52b) and the brake control section (52a) execute each type of the control in cooperation with each other.

### Claim 3 (depends on 1)

The hydraulic pressure control unit according to claim 1, wherein the power control section (52b) and the brake control section (52a) are mounted on a same board (63).

### Claim 4 (depends on 1)

The hydraulic pressure control unit according to claim 1, wherein the power control section (52b) and the brake control section (52a) communicate with each other by serial communication.

### Claim 5 (depends on 4)

The hydraulic pressure control unit according to claim 4, wherein the serial communication is SPI communication.

### Claim 6 (depends on 1)

The hydraulic pressure control unit according to claim 1, wherein in the case (53), a heat dissipation property of the power control section (52b) is higher than a heat dissipation property of the brake control section (52a).

### Claim 7 (depends on 1)

The hydraulic pressure control unit according to claim 1 further comprising:
a connector section (7) to which a cable connected to multiple external devices as devices on the outside of the hydraulic pressure control unit (5) is attached, wherein
the connector section (7) includes multiple pins (62) that are connected to multiple external devices via the cable, and at least one pin (62) of the multiple pins (62) is shared between the power control section (52b) and the brake control section (52a).

### Claim 8 (depends on 7)

The hydraulic pressure control unit according to claim 7, wherein the at least one pin (62) that is shared between the power control section (52b) and the brake control section (52a) includes a pin connected to a power supply.

### Claim 9 (depends on 7)

The hydraulic pressure control unit according to claim 7, wherein the at least one pin (62) that is shared between the power control section (52b) and the brake control section (52a) includes a pin receiving a signal from an ignition switch.

### Claim 10 (depends on 7)

The hydraulic pressure control unit according to claim 7, wherein the at least one pin (62) shared between the power control section (52b) and the brake control section (52a) includes a pin receiving a signal from a brake light switch.

### Claim 11 (depends on 7)

The hydraulic pressure control unit according to claim 7, wherein the at least one pin (62) that is shared between the power control section (52b) and the brake control section (52a) includes a pin connected to ground.

### Claim 12 (depends on 7)

The hydraulic pressure control unit according to claim 7, wherein the at least one pin (62) that is shared between the power control section (52b) and the brake control section (52a) includes a pin transferring data of CAN communication.

### Claim 13 (depends on 7)

The hydraulic pressure control unit according to any claim 7, wherein the at least one pin (62) shared between the power control section (52b) and the brake control section (52a) includes a pin receiving a detection signal of a sensor.
