WO2019145829A1

WO2019145829A1 - Brake fluid pressure control device

Info

Publication number: WO2019145829A1
Application number: PCT/IB2019/050417
Authority: WO
Inventors: 仁張勉
Original assignee: ローベルトボッシュゲゼルシャフトミットベシュレンクテルハフツング
Priority date: 2018-01-26
Filing date: 2019-01-18
Publication date: 2019-08-01
Also published as: CN111629939A; JP7232778B2; JPWO2019145829A1; JP2019127202A

Abstract

The present invention provides a brake hydraulic pressure controller (10) capable of downsizing a housing (130) for a hydraulic unit so as to reduce size and weight of the brake hydraulic pressure controller (10). The brake hydraulic pressure controller (10) for controlling a hydraulic pressure of a brake hydraulic circuit includes: a housing (130); a motor (96) mounted on the housing (130); and plural control valves (34a, 34b, 36a, 36b, 54aa, 54ab, 54ba, 54bb, 58aa, 58ab, 58ba, 58bb), each of which is mounted on the housing (130) and controls a flow of a brake fluid flowing through a brake hydraulic circuit. The plural control valves (34a, 34b, 36a, 36b, 54aa, 54ab, 54ba, 54bb, 58aa, 58ab, 58ba, 58bb) are separately mounted on a first surface (130a) and a second surface (130b) that oppose each other in the housing (130).

Description

[Document name] statement

Patent application title: Brake fluid pressure control device

【Technical field】

[0 0 0 1]

The present invention relates to a brake fluid pressure control device.

【Background technology】

[0 0 0 2]

Conventionally, there is known a brake fluid pressure control device that performs brake control by controlling the fluid pressure of the brake fluid supplied to the braking portion with a fluid pressure circuit. The brake fluid pressure control device comprises a fluid pressure unit and an electronic control unit (ECU).

[0 0 0 3]

The hydraulic unit includes a control valve that can be opened and closed, a pump element that operates in conjunction with the control valve, and a motor that drives the pump element. The control valve, the pump element and the motor are controlled and operated by the ECU, and the braking force generated on the wheel is controlled by increasing or decreasing the hydraulic pressure in the brake hydraulic circuit (see, for example, Patent Document 1) ).

【Prior Art Literature】

[Patent Document]

[0 0 0 4]

[Patent Document 1] Japanese Patent Application Laid-Open No. 2 0 1 6 2 0 3

SUMMARY OF THE INVENTION

[Problems to be solved by the invention]

[0 0 0 5]

Here, in the conventional brake fluid pressure control device, all control valves are mounted on the side of the housing of the hydraulic unit facing the side on which the motor is mounted. Also, on the side on which the control valve is mounted, an ECU that is electrically connected to the control valve is disposed. The areas of the opposite sides on which the motor and control valve are mounted are designed to be relatively large so that at least a plurality of control valves can be arranged.

[0 0 0 6]

In addition to the control valve, the pump element and the motor, the hydraulic unit is also provided with components such as a pressure sensor and an accumulator. Since the motor and the control valve are mounted on the mutually opposing side surfaces of the housing, components other than the motor and the control valve are mounted on four side surfaces respectively vertically continuous from the two side surfaces on which the motor and the control valve are mounted. It will be For this reason, it is difficult to reduce the distance between the motor and the opposite side on which the control valve is mounted, which makes it difficult to miniaturize the housing.

[0 0 0 7]

The present invention has been made in view of the above problems, and provides a brake fluid pressure control device capable of reducing the size and weight of the brake fluid pressure control device by miniaturizing the housing of the fluid pressure unit.

Yes

[Means for Solving the Problems]

[0 0 0 8]

According to one aspect of the present invention, there is provided a brake fluid pressure control device for controlling the fluid pressure of a brake fluid pressure circuit, comprising: a housing; a motor mounted on the housing; The brake fluid pressure control device includes a plurality of control valves for controlling the flow of flowing brake fluid, and the plurality of control valves are separately mounted on a first surface and a second surface facing each other in the housing. Provided.

【Effect of the invention】

[0 0 0 9]

As described above, according to the present invention, the size and weight of the brake fluid pressure control device can be reduced by miniaturizing the housing of the fluid pressure unit.

Brief Description of the Drawings [0 0 1 0]

FIG. 1 is a circuit diagram showing a configuration example of a brake hydraulic circuit.

FIG. 2 is a perspective view showing a brake fluid pressure control device according to an embodiment of the present invention.

FIG. 3 is a perspective view showing a configuration example of a housing according to the same embodiment.

FIG. 4 is a side view showing a configuration example of a housing according to the same embodiment.

FIG. 5 is a perspective view of the brake fluid pressure control device according to the same embodiment as viewed from the lower surface side.

FIG. 6 is a cross-sectional view of a brake fluid pressure control device according to the same embodiment.

FIG. 7 is a cross-sectional view of a brake fluid pressure control device according to the same embodiment.

FIG. 8 is a cross-sectional view of a brake fluid pressure control device according to a modification;

MODE FOR CARRYING OUT THE INVENTION

[0 0 1 1]

The present invention will now be described more fully with reference to the accompanying drawings, in which exemplary embodiments of the invention are shown. In the present specification and drawings, components having substantially the same functional configuration will be assigned the same reference numerals to omit redundant description.

[0 0 1 2]

<1. Hydraulic circuit for brakes>

A brake hydraulic pressure circuit 1 to which the brake hydraulic pressure control device 10 according to the present embodiment can be applied will be briefly described with reference to FIG.

[0013]

The hydraulic circuit 1 for brakes shown in FIG. 1 is applied to a brake system that amplifies the depression force of the brake pedal by the driver and transmits it to the wheel cylinder without using a booster. The brake system shown in Figure 1 is a brake system for four-wheeled vehicles.

[0014]

The brake fluid pressure control device 10 includes a first fluid pressure circuit 28 and a second fluid pressure circuit 30 having the same configuration. The brake fluid is supplied to the first hydraulic circuit 28 and the second hydraulic circuit 30 from the master cylinder 14.

[0015]

The hydraulic circuit 1 for brakes controls the hydraulic pressure as a pair of one front wheel and one rear wheel at diagonal positions of the vehicle by the first hydraulic circuit 28 and the second hydraulic circuit 30, respectively. It is configured as a so-called X-type piping system.

[0016]

The brake system is not limited to the X-type piping system. The brake system is not limited to the brake system for four-wheeled vehicles, and may be a brake system for two-wheeled vehicles or other vehicles.

[0017]

The second hydraulic circuit 30 has the same configuration as the first hydraulic circuit 28. Hereinafter, the first hydraulic circuit 28 will be described, and the description of the second hydraulic circuit 30 will be omitted.

[0018]

The first hydraulic circuit 28 comprises a plurality of control valves. The control valve includes a normally closed linear control circuit 36a, a normally closed suction control valve 34a, and a normally open linear control pressure increasing valve 58 aa, 58 It includes ba and pressure reducing valves 54 aa and 54 ba that are normally closed and controlled on and off. The drive of these control valves is controlled by an electronic control unit (E CU: Electronic Control Unit) not shown.

[0019]

The first hydraulic circuit 28 comprises a pump element 44 a driven by a motor 96. The first hydraulic circuit 28 also includes an accumulator 71 a and a damper 73 a.

[0 0 20]

The pump element 44a is driven by the motor 96 to discharge the brake fluid. The drive of the motor 96 is controlled by an ECU not shown. The number of pump elements 44 a provided in the first hydraulic circuit 28 is not limited to one. \\ 0 2019/145829 卩 (: 17132019/050 417

3

[0 0 2 1]

A first pressure sensor 24 is provided in a conduit communicating with the master cylinder 14. The first pressure sensor 24 detects the pressure in the master cylinder 14.

[0 0 2 2]

A second pressure sensor 2 6 & is provided in a conduit communicating with the wheel cylinder 3 8 8 of the right front wheel hydraulic brake 2 2 8. Second pressure sensor 2 6 & detects wheel cylinder pressure.

[0 0 2 3]

Note the second pressure Kasensa 2 6 ₃ may be provided in the conduit communicating with the wheel cylinder 3 8 b of the hydraulic brake 2 2 b of the left rear wheel.

[0 0 2 4]

The second hydraulic circuit 30 controls the left front wheel hydraulic brake 2 200 and the right rear wheel hydraulic brake 2 2 _¢ 1. The second hydraulic circuit 30 is a hydraulic brake for the right front wheel in the description of the first hydraulic circuit 2 8 2 2 8 wheel cylinder 3 8 8 for the left front wheel hydraulic brake 2 2. The wheel cylinder 3 8 置き換え of the left rear wheel hydraulic brake 2 2 wheel cylinder 3 8 I) is replaced with the right rear wheel hydraulic brake 2 2 _¢ 1 wheel cylinder 3 8 _¢ 1, except 1 It is constructed in the same way as the hydraulic circuit 28 in.

[0 0 2 5]

<2. Brake fluid pressure control device>

(2-1. Overall configuration)

The overall configuration of the brake fluid pressure control device 10 according to the present embodiment will be described with reference to FIG.

[0 0 2 6]

FIG. 2 is a perspective view of the brake fluid pressure control device 10. The illustrated brake fluid pressure control device 10 is a device for controlling the brake force of each wheel of a four-wheeled vehicle. The brake fluid pressure control device 1 0 has two hydraulic circuits.

[0 0 2 7]

The brake fluid pressure control device 10 is not limited to a four-wheeled device, and may be a device for a two-wheeled vehicle or other vehicles.

[0 0 2 8]

The brake fluid pressure control device 10 comprises a fluid pressure unit 20, a first £ (3 11 4 0 ₃ and a second £ (3 11 4 0 1 ₃ ). The fluid pressure unit 20 is a housing 1 It has 3 0.

[0 0 2 9]

A motor 96 is attached to a side surface of the housing 130 (hereinafter, also referred to as “upper surface”) 130 &. Motor 9 6 motor shaft 9 6 ₃ is mounted to face the inside of the housing 1 3 0.

[0 0 3 0]

The first £ (3 11 4 0 ₃₎ is attached to the side surface (hereinafter also referred to as the “first side”) 1 3 0 b which is vertically continuous from the upper surface 1 3 0 ₃ of the housing 1 3 0 ₃ . the housing 1 3 0 of the upper surface 1 3 0 ₃ consecutive perpendicularly from and the first surface 1 3 0 1 ₃ on opposite sides (hereinafter, also referred to as a "second surface") 1 3 to 0. second £ 40 b is attached.

[0 0 3 1]

(2-2. Configuration of housing)

FIGS. 3 and 4 are explanatory views showing a configuration example of the housing 130 of the hydraulic pressure unit 20 of the brake hydraulic pressure control device 10 according to the present embodiment. FIG. 3 is a perspective view showing the internal configuration of the housing 130 in solid lines, and FIG. 4 is a side view of the housing 130 of FIG. 3 as viewed from the rear side.

[0 0 3 2]

The housing 130 is made of metal and has a plurality of connections to or from which a motor, two pump elements, a plurality of control valves, an accumulator, a pressure sensor and a fluid pipe are attached or connected. Each connection is, for example, a cylindrical recess formed in the housing 130 by drilling. ¥ ¥ 2019/145829 卩 (: 17132019/050 417

Four

[0033]

Specifically, the housing 130 has a motor connection groove 130 _{3 3} on the top surface 130 &.

[0034]

The housing 130 is a first hydraulic circuit pressure increasing valve 58 of the plurality of control valves provided in 28 _{3 3,} 58 b ₃ connecting portion 21 1 is mounted, 215 shown in FIG. 1, a pressure reducing valve 54 _{3 3} ,

54 b ₃ are mounted on the connection portions 209 and 213, a suction control valve 34 ₃ is mounted on a connection portion 217, and a circuit control valve 36 & a connection portion 219 is mounted on.

[0035]

In addition, the housing 130 is a connection portion 203, 223 to which the pressure-increasing valve 58 ₃ 1 ₃ or 58 1 ₃ 1 ₃ is attached among the plurality of control valves provided in the second hydraulic circuit 30 shown in FIG. ₃ 1 ₃ ,

A connection portion 201, 221 to which 54 b b is attached, a connection portion 205 to which suction control valve 34 b is attached, and a connection portion 207 to which circuit control valve 36 b is attached.

[0036]

The housing 130 has a first pressure Kasensa 24 and the second pressure Kasensa 26 _3, 261 ₃ connecting portion 225 is attached, 227, 229 shown in FIG. The housing 130 also has connection portions 247 and 249 for fixing the first £ ( ₃₁ 1403 and the second ECU 40b).

[0037]

Among these connections, connections 213, 215, 217, 219, 221, 223, 225, 227, 229 are formed on the first surface 130 b of the housing 130. The connection parts 201, 203, 205, 207, 209, 211 are the second surface 130. It is formed in The connecting portions 247 and 249 have a first surface 130 b and a second surface 130 at each end. It is a through hole that is open to the

[0038]

The housing 130 has a first hydraulic circuit 28 and the second hydraulic circuit 30 Niso Re accumulator 71 ₃ Re provided respectively, 711 ₃ bore 231 is assembled, 233 shown in FIG. The housing 130 is a master connection port 237 connected to the liquid pipe to the cylinder 14 is connected, 243 and of each wheel wheel cylinder 38 ₃ ~ 38 _¢ connection port 235 connected to the liquid pipe is connected to the 1, 239, It has 241 and 245.

[0039]

The housing 130 have a pump accommodating bore 131 _3, 1311 ₃ first hydraulic circuit 28 and the second hydraulic circuit 30 to the pump element 44 ₃ is et al respectively, 441 ₃ is mounted.

[0040]

These pump accommodating bore 131 _3, 1311 _3, bores 231, 233 and the connecting port 235, 237, 239, 241, 243, 245 you face the upper surface 130 ₃ of the housing 130 side (hereinafter, also referred to as "lower surface") It is formed in 1301.

[0041]

Further, the housing 130 is formed with an internal flow path through which the brake fluid flows.

[0042]

As described above, in the brake fluid pressure control device 10 according to the present embodiment, the mutually opposing first surface 130 b and second surface 130 of the housing 130 of the fluid pressure unit 20. The connection parts for mounting multiple control valves are separately provided.

[0043]

Specifically the first surface 1301 ₃ connecting portion 213 in which a plurality of control valves are mounted, 215, 21 7, 219, 221, 223 are formed. The connecting portion 201 in which a plurality of control valves are mounted, 203, 205, 207, 20 9, 21 1 are formed on a second surface 130 opposing the first surface 1301 _3.

[0044]

(2-3. Specific configuration of brake fluid pressure control device) ¥ ¥ 2019/145829 卩 (: 17132019/050 417

Five

The configuration of the brake fluid pressure control device 10 will be specifically described with reference to FIGS. 5 to 7 together with FIG.

[0045]

FIG. 5 is a perspective view of the brake fluid pressure control device 10 of FIG. 2 as viewed from below. Figure 6 is Ri sectional view der of丫one Å plane including the axis of the motor shaft 96 of the brake fluid pressure control device 10 shown in FIG. 2, FIG. 7 is the cross section of X- Å plane including the axis of the motor shaft 96 ₃ FIG.

[0046]

In FIG. 5, the accumulators 71 _{3 and} 71 b are not shown.

[0047]

The first side 130 b of the housing 130 to which the first £ ₃₁ 140 ₃ is attached is a pressure reducing valve 54 b ₃ , a pressure increasing valve 58 b ₃ , of the plurality of control valves provided in the first hydraulic circuit 28. The suction control valve 34 ₃ and the circuit control valve 36 ₃ are mounted.

[0048]

Also in the first surface 130 b second hydraulic circuit 30 pressure reducing valve 54 ₃ 1 ₃ and the pressure increasing valve 58 ₃ 1 ₃ of the plurality of control valves provided in is installed. Also in the first surface 130 b is first pressure Kasensa 24 and the second pressure Kasensa 26 _3, 261 ₃ shown in FIG. 1 are mounted.

[0049]

Incidentally pressure reducing valve 54 ₃ 1 ₃ of the first surface 130 a plurality of control valves mounted on b and the first pressure Kasensa 24及beauty second pressure Kasensa 26 _3, 261 ₃ in FIG. 7, the pressure increasing valve only 58 ₃ b and second pressure Kasensa 261 ₃ has appeared.

Is provided with a cover 41 ₃ , a first circuit board 43 ₃ and an external connection connector 49. The first circuit board 43 ₃ is fixed to the inside of the cover 41 _3. First circuitry on the substrate 43 ₃ pressure reducing valve mounted on the first surface _{_{130 b 54 3 1 3, 54b}} a, the pressure increasing valve 58 ₃ 1 _3, 58 b _3, the suction control valve 34 ₃ and the circuit control valve 36 ₃ electrical circuitry for controlling the driving of is formed.

[0051]

The first circuit board 43 ₃ decompression valve 54 ₃ 1 ₃ The, 54b a, the pressure increasing valve 58 ₃ 1 _3, each actuator 58b a, inhalation valve 34 ₃ and the circuit control valve 36 ₃ and the first circuit board A plurality of internal connectors 45 ₃ for electrically connecting with 43 ₃ are connected.

[0052]

External connector 49 has a terminal electrically connected to the first circuit board 43 ₃ is formed on the side surface of the cover 41 _3. External connector 49 electrically connects the first circuit board 43 ₃ to the vehicle-side control system. Thus, a drive instruction signal is input to the first circuit board 43 from the control system on the vehicle side via the external connection connector 49.

[0053]

Second surface 130 of the housing 130 on which the second ECU 40 b is mounted. The pressure reducing valve 54 and the pressure increasing valve 58 among the plurality of control valves provided in the first hydraulic circuit 28 are attached to the valve. Also the second side 130. The is decompression valve 541 ₃ 1 _3, the pressure-increasing valve 581 ₃ 1 _3, the suction control valve 34 b and the circuit control valve 36 b GaSo wearing of the plurality of control valves provided in the second hydraulic circuit 30 .

[0054]

The second surface 130 in FIG. Only the intake control valve 341 ₃及beauty circuit control valve 361 ₃ of the plurality of control valves has appeared attached to.

[0055]

Second £ 011,401 ₃ is provided with a cover 411 ₃ and the second circuit board 43 b. The second circuitry board 43 b is fixed to the inside of the cover 411 _3. The second circuit board 431 ₃ second surface 130. Pressure reducing valve 54 aa attached to, 541 ₃ 1 _3, the pressure increasing valve 58 _{3 3,} 581 ₃ 1 _3, an electric circuit for controlling the driving of the intake system valve 341 ₃ and the circuit control valve 361 ₃ is formed There is.

[0056] ¥ ¥ 2019/145829 卩 (: 17132019/050 417

6

The second circuit board 431 ₃ decompression valve 54 _{3 3} The 541 ₃ 1 _3, the pressure increasing valve 58 _{3 3,} 581 ₃ 1 _3, inhalation control valve 341 ₃ and the circuit control valve 361 ₃ of each actuator and a second a plurality of inner connectors 45 b for connecting the circuit board 431 ₃ electrical manner is connected.

[0057]

The second circuit board 43 b is electrically connected to the first circuit board 43 by the electric wiring 47. Signal through to the drive instruction to external connector 49 and the first circuit board 43 ₃ is input to the second circuit board 43 b.

[0058]

Connection for electrical wiring 47 that connects the first circuit board 43 and the second circuit board 431 ₃ is to fix the first £ (31140 ₃ and the second ECU 40 b which is formed, for example, housings 130 Wiring may be performed using at least one of the portions 247 and 249. This eliminates the need to secure a space for forming a wiring hole in the housing 130, and the enlargement of the housing 130 can be suppressed. .

[0059]

First surface 1301 ₃ and second surface 130 of housing 130. Motor 96 is mounted on the upper surface 130 ₃ consecutive together vertically from. Width 1 in the X-axis direction of the upper surface 130 ₃ is smaller than the X-axis direction width 2 Meaux evening 96 (see Figure 7).

[0 0 6 0]

Lower surface 130 _¢ have in the master cylinder 14 to 1 connection port 23 5 liquid pipe leading to the wheel cylinders 38 & ～38_Rei_1 of each wheel is connected opposite to the upper surface 130 ₃ of the housing 130, 237, 239, 241 , 243, 245 are formed.

[0 0 6 1]

The two pumping elements 44 _3, 44 b and two accumulators 71 _3, 711 ₃ are assembled on the lower surface 130 _¢ 1 housing 130. Two pump elements 4

Each of 4 ₃ and 44 b has a piston 150 abutting on a swash plate 125 which is rotationally driven by a motor 96.

[0 0 6 2]

The two pump elements 44 ₃ and 44 b are respectively driven with the rotation of the swash plate 125, and the piston 150 reciprocates to suck and discharge the brake fluid. Piston 1

50 reciprocates along the axial direction of the motor shaft 96 _3.

[0063]

As described above, in the brake fluid pressure control device 10 according to the present embodiment, the first surface 130 b and the second surface 130 in which the plurality of control valves face each other. It is installed separately. Therefore the motor 96 as compared with the case where a plurality of control valves are mounted in the same plane Te to base, the pump element 448, 441 _3, first pressure Kasensa 24, the second pressure Kasensa 26 _3, 261 _3, and accumulator 7 1 _3, 711 degrees of freedom of the arrangement of the components such ₃ is enhanced.

[0064]

For example, in the brake fluid pressure control device 10 according to the present embodiment, the first surface 130 and the second surface 130. Motor 96 is mounted on the upper surface 130 ₃ consecutive together vertically from. The first surface 1301 ₃ and a second surface 130. Lower surface 130 _¢ 1 into two pumping elements 44 ₃ facing both continuously perpendicularly to the upper surface 130 _3, 44 b is attached from.

[0065]

Two pumping elements 44 _3, 441 ₃ of the piston 150 is configured to be round trip move parallel to the motor shaft 96 _3, two pumping elements 44 _3, 441 ₃ are longitudinal directions along the Motor shaft 96 ₃ It is arranged to extend in the diaxial direction.

[0 0 6 6]

Therefore it becomes possible to arrange the two pumping elements 44 _3, 44 b on the circumference around the motor shaft 96 _3. As a result, the width 1 in the X-axis direction of the housing 130 can be made smaller than the width 2 in the X-axis direction of the motor 96.

[0067] Even when the number of pump elements is increased, the housing 130 can be miniaturized because the plurality of pump elements can be arranged on the circumference centered on the motor shaft 96a.

[0 0 6 8]

Further, connection ports 235, 237, 239, 241, 243, 245 to which various liquid pipes are connected are all provided on the same lower surface 130d. As a result, the installation on vehicles is improved.

[0069]

In addition, the first circuit board 43a of the two first ECUs 40a and the second circuit board 43b of the second ECU 40b are connected by the electrical wiring 47, and are externally connected connectors provided in the first ECU 40a. A signal of a drive command is input from the control system on the vehicle side via 49. Since the number of external connection connectors 49 is one, the mounting on the vehicle can be improved even in the case where two first ECUs 40 a and a second ECU 40 b are provided.

[0070]

Further, when the brake fluid pressure control device 10 according to the present embodiment is mounted on a vehicle, the upper surface 130a, the lower surface 130d, the first surface 130b and the second surface 130c of the housing 130 are respectively perpendicular to each other. Two opposing side faces 130 f and 130 g (see FIGS. 2, 5 and 6) which are continuous to each other can be used.

[0071]

Therefore, for example, by fixing the two opposite surfaces of the bracket to the side surfaces 130 f and 130 g of the housing 130 via dampers using a bracket having a U-shaped cross section, the center of gravity of the brake fluid pressure control device 10 is sandwiched. The brake fluid pressure control device 10 can be supported. Thereby, the suppression effect of the vibration transmitted to the brake fluid pressure control device 10 is enhanced, and the NVH (Noise, Vibration, Harshness) performance can be improved.

[0072]

The preferred embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to such examples. It is apparent that those skilled in the art to which the present invention belongs can conceive of various modifications and alterations within the scope of the technical idea described in the claims. Of course, it is understood that these also fall within the technical scope of the present invention.

[0073]

For example, in the brake fluid pressure control device 10 according to the above embodiment, the external connection connector 49 is provided on one of the first ECU 40a and the second ECU 40b, and the first circuit board 43a and the second circuit board are provided. Although 43 b is electrically connected, the present invention is not limited to such an example.

[0074]

An external connection connector may be provided in each of the first ECU 40a and the second ECU 40b, and a signal of a drive command may be input from the control system on the vehicle side to each ECU.

[0075]

In the brake fluid pressure control device 10 according to the above-described embodiment, the first circuit board 43a and the second circuit board 43b are formed with the electric circuit for controlling the drive of the plurality of control valves. Is not limited to such an example.

[0076]

For example, an electrical wiring pattern is formed on the first circuit board 43a and the second circuit board 43b, and drive signals input through the external connection connector are the first circuit board 43a and the second circuit board. It may be transmitted to a plurality of control valves via 43b.

[0077]

In addition, control of all of the brake fluid pressure control devices mounted on either the first surface 130 b or the second surface 130 c in a divided manner into the first surface 130 b and the second surface 130 c A circuit board may be provided to control the valve. ¥ ¥ 2019/145829 卩 (: 17132019/050 417

8

[0078]

The brake fluid pressure control device 10 shown in FIG. 8 is provided with a cover 81 _{3, a} circuit board 83 and an external connection connector 89 on the first surface 130 b. Second face 130. Only the cover 811 ₃ is attached to.

[0079]

The plurality of control valves mounted on the first surface 130 b are electrically connected to the circuit board 83 by the internal connector 85, and the plurality of control valves mounted on the second surface 130 回 are electrically connected by the electrical wiring 87. It is electrically connected to the substrate 83. The drive control of each control valve is performed by the circuit board 83 in accordance with the drive command signal input from the control system on the vehicle side via the external connection connector 89.

[0 08 0]

The electrical wiring 87 may be wired using at least one of the connection parts 24 7 and 249 formed in the housing 130 as in the above embodiment.

[Description of the code]

[0 08 1]

10. Brake fluid pressure control device, 20. Fluid pressure unit, 34 _3, 343⁄4 .. Intake control valve, 36 _3, 361 ₃ · · Circuit control valve, 43 ₃ · · First circuit PCB, 431 ₃ · ·

Claims

¥ ¥ 2019/145829 卩 (: 17132019/050 417 9 [Document Name] Claims)

[Claim 1]

A brake fluid pressure control device (10) for controlling the fluid pressure of a brake fluid pressure circuit, comprising: a housing (130);

A motor (96) mounted in said housing (130);

Wherein mounted on the housing (130), said plurality of control valves for controlling the flow passage of the brake fluid flowing in the brake fluid pressure circuit _{_{(34 3, 341 3, 36}} 3, 361 3, 54 aa, 54 a b, 5 4b a, 543⁄4) 1 ₃ , 58 aa, 58 ₃ 3⁄4), 58 b a, 583⁄4) 1 ₃ ), and

Said plurality of control valves _{_{(34 3, 341 3, 36}} 3, 361 3, 54 aa, 54 ab, 54b a, 541 3 1 3, 58 3 3, 58 3 1 3, 58b a, 581 3 1 3) is The housing (130) is mounted separately in a first surface (1301 ₃ ) and a second surface (130.) facing each other.

Brake fluid pressure control device.

[Claim 2]

Control valves (348, 36 _3, 54 _{3 3⁄4} ), 54b a, 58 _{3 3⁄4} ), 58 b a) mounted on the first surface (130 1 ₃ ) on the first surface (130 1 ₃ ) The first circuit board (43 ₃ )

Wherein the second surface (130 (:), the second surface (130 (mounted on :) control valve _{(34 b, 361 3, 54} aa, 541 3 1 3, 58 3 3, 581 3 1 a second circuit board for controlling ₃₎ (43 1 _3),

The first circuit board (43 &) and the second circuit board (431 ₃ ) are electrically connected to each other,

An external connection connector (49) is connected to either the first circuit board (43 &) or the second circuit board (431 ₃ ).

The brake fluid pressure control device according to claim 1.

[Claim 3]

The first surface (1301 _3), said first surface (1301 ₃₎ and a plurality of control valves mounted on the second surface (130_Rei) (34 _3, 341 _3, 36 _3, 361 ₃ , 54 aa, 54 ab, 54b a, 54¾) 1 3, 58 aa, 58 3 ¾), 58b a, 58¾) comprises a circuit board for controlling the 1 ₃₎ (83)

The brake fluid pressure control device according to claim 1.

[Claim 4]

The housing (130) is

It has a through hole (247, 249) which is opened in the first surface (1301 ₃ ) and the second surface (130 (:) and in which the electrical wiring (47) is disposed.

The brake fluid pressure control device according to claim 2 or 3.

[Claim 5]

The brake fluid pressure control device (10)

A swash plate (125) fixed to the tip of the motor shaft (96 ₃ ) of the motor (96) and disposed at an angle to the axial direction of the motor shaft (96 ₃ );

And a pump element (44) driven by rotation of the motor shaft (96 ₃ ) and the swash plate (125).

Said pump element (44)

It has a piston (150) that reciprocates in parallel with the axial direction of the motor shaft (96 ₃ ) as the swash plate (125) rotates.

The brake fluid pressure control device according to any one of claims 1 to 4.

[Claim 6]

The width (1) of the side surface (130 ₃ ) of the housing (130) on which the motor (96) is mounted is smaller than the width (2) of the motor (96) in the predetermined direction. The brake fluid pressure control device according to any one of to 5.