WO2020217114A1 - ブレーキ液圧制御装置 - Google Patents
ブレーキ液圧制御装置 Download PDFInfo
- Publication number
- WO2020217114A1 WO2020217114A1 PCT/IB2020/052904 IB2020052904W WO2020217114A1 WO 2020217114 A1 WO2020217114 A1 WO 2020217114A1 IB 2020052904 W IB2020052904 W IB 2020052904W WO 2020217114 A1 WO2020217114 A1 WO 2020217114A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- hydraulic
- brake fluid
- control device
- pressure control
- valve
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Ceased
Links
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B1/00—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders
- F04B1/12—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders having cylinder axes coaxial with, or parallel or inclined to, main shaft axis
- F04B1/14—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders having cylinder axes coaxial with, or parallel or inclined to, main shaft axis having stationary cylinders
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- B60T13/00—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems
- B60T13/10—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems with fluid assistance, drive, or release
- B60T13/12—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems with fluid assistance, drive, or release the fluid being liquid
- B60T13/14—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems with fluid assistance, drive, or release the fluid being liquid using accumulators or reservoirs fed by pumps
- B60T13/148—Arrangements for pressure supply
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- B60T13/00—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems
- B60T13/10—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems with fluid assistance, drive, or release
- B60T13/12—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems with fluid assistance, drive, or release the fluid being liquid
- B60T13/14—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems with fluid assistance, drive, or release the fluid being liquid using accumulators or reservoirs fed by pumps
- B60T13/142—Systems with master cylinder
- B60T13/145—Master cylinder integrated or hydraulically coupled with booster
- B60T13/146—Part of the system directly actuated by booster pressure
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- B60T13/00—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems
- B60T13/10—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems with fluid assistance, drive, or release
- B60T13/66—Electrical control in fluid-pressure brake systems
- B60T13/662—Electrical control in fluid-pressure brake systems characterised by specified functions of the control system components
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- B60T13/00—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems
- B60T13/10—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems with fluid assistance, drive, or release
- B60T13/66—Electrical control in fluid-pressure brake systems
- B60T13/68—Electrical control in fluid-pressure brake systems by electrically-controlled valves
- B60T13/686—Electrical control in fluid-pressure brake systems by electrically-controlled valves in hydraulic systems or parts thereof
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- B60T17/00—Component parts, details, or accessories of power brake systems not covered by groups B60T8/00, B60T13/00 or B60T15/00, or presenting other characteristic features
- B60T17/02—Arrangements of pumps or compressors, or control devices therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- B60T7/00—Brake-action initiating means
- B60T7/02—Brake-action initiating means for personal initiation
- B60T7/04—Brake-action initiating means for personal initiation foot actuated
- B60T7/042—Brake-action initiating means for personal initiation foot actuated by electrical means, e.g. using travel or force sensors
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- B60T8/00—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force
- B60T8/32—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force responsive to a speed condition, e.g. acceleration or deceleration
- B60T8/34—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force responsive to a speed condition, e.g. acceleration or deceleration having a fluid pressure regulator responsive to a speed condition
- B60T8/36—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force responsive to a speed condition, e.g. acceleration or deceleration having a fluid pressure regulator responsive to a speed condition including a pilot valve responding to an electromagnetic force
- B60T8/3615—Electromagnetic valves specially adapted for anti-lock brake and traction control systems
- B60T8/3675—Electromagnetic valves specially adapted for anti-lock brake and traction control systems integrated in modulator units
- B60T8/368—Electromagnetic valves specially adapted for anti-lock brake and traction control systems integrated in modulator units combined with other mechanical components, e.g. pump units, master cylinders
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- B60T8/00—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force
- B60T8/32—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force responsive to a speed condition, e.g. acceleration or deceleration
- B60T8/34—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force responsive to a speed condition, e.g. acceleration or deceleration having a fluid pressure regulator responsive to a speed condition
- B60T8/40—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force responsive to a speed condition, e.g. acceleration or deceleration having a fluid pressure regulator responsive to a speed condition comprising an additional fluid circuit including fluid pressurising means for modifying the pressure of the braking fluid, e.g. including wheel driven pumps for detecting a speed condition, or pumps which are controlled by means independent of the braking system
- B60T8/4018—Pump units characterised by their drive mechanisms
- B60T8/4022—Pump units driven by an individual electric motor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- B60T8/00—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force
- B60T8/32—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force responsive to a speed condition, e.g. acceleration or deceleration
- B60T8/34—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force responsive to a speed condition, e.g. acceleration or deceleration having a fluid pressure regulator responsive to a speed condition
- B60T8/40—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force responsive to a speed condition, e.g. acceleration or deceleration having a fluid pressure regulator responsive to a speed condition comprising an additional fluid circuit including fluid pressurising means for modifying the pressure of the braking fluid, e.g. including wheel driven pumps for detecting a speed condition, or pumps which are controlled by means independent of the braking system
- B60T8/4031—Pump units characterised by their construction or mounting
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- B60T8/00—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force
- B60T8/32—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force responsive to a speed condition, e.g. acceleration or deceleration
- B60T8/34—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force responsive to a speed condition, e.g. acceleration or deceleration having a fluid pressure regulator responsive to a speed condition
- B60T8/40—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force responsive to a speed condition, e.g. acceleration or deceleration having a fluid pressure regulator responsive to a speed condition comprising an additional fluid circuit including fluid pressurising means for modifying the pressure of the braking fluid, e.g. including wheel driven pumps for detecting a speed condition, or pumps which are controlled by means independent of the braking system
- B60T8/4072—Systems in which a driver input signal is used as a control signal for the additional fluid circuit which is normally used for braking
- B60T8/4081—Systems with stroke simulating devices for driver input
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B1/00—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders
- F04B1/12—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders having cylinder axes coaxial with, or parallel or inclined to, main shaft axis
- F04B1/122—Details or component parts, e.g. valves, sealings or lubrication means
- F04B1/124—Pistons
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B1/00—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders
- F04B1/12—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders having cylinder axes coaxial with, or parallel or inclined to, main shaft axis
- F04B1/128—Driving means
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B1/00—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders
- F04B1/12—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders having cylinder axes coaxial with, or parallel or inclined to, main shaft axis
- F04B1/14—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders having cylinder axes coaxial with, or parallel or inclined to, main shaft axis having stationary cylinders
- F04B1/141—Details or component parts
- F04B1/146—Swash plates; Actuating elements
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B1/00—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders
- F04B1/12—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders having cylinder axes coaxial with, or parallel or inclined to, main shaft axis
- F04B1/14—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders having cylinder axes coaxial with, or parallel or inclined to, main shaft axis having stationary cylinders
- F04B1/18—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders having cylinder axes coaxial with, or parallel or inclined to, main shaft axis having stationary cylinders having self-acting distribution members, i.e. actuated by working fluid
- F04B1/182—Check valves
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B17/00—Pumps characterised by combination with, or adaptation to, specific driving engines or motors
- F04B17/03—Pumps characterised by combination with, or adaptation to, specific driving engines or motors driven by electric motors
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
- F04B53/16—Casings; Cylinders; Cylinder liners or heads; Fluid connections
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D65/00—Parts or details
- F16D65/0006—Noise or vibration control
Definitions
- the present invention relates to a brake fluid pressure control device that controls the hydraulic pressure of a plurality of hydraulic circuits.
- Brake fluid pressure control devices that controls the brake fluid by controlling the hydraulic pressure of the brake fluid supplied to the braking unit with a hydraulic circuit.
- Brake fluid pressure control devices are, for example, two systems for front wheels and rear wheels for motorcycles, two systems for front wheels and rear wheels for four-wheeled vehicles, or front and rear wheels located diagonally respectively. It is equipped with two hydraulic circuits that form a ring.
- the brake fluid pressure control device is equipped with a control valve that can be opened and closed, a pump element that operates in conjunction with the control valve, and an electric motor that drives the pump element.
- the brake fluid pressure control device is electronically controlled and operates automatically, and controls the braking force generated on the wheels by increasing or decreasing the hydraulic pressure in the brake fluid pressure circuit.
- the pump element has a piston that abuts on the eccentric cam provided on the motor shaft and reciprocates due to the rotation of the eccentric cam.
- the pump element sucks the brake fluid through the suction valve and discharges the brake fluid through the discharge valve as the piston reciprocates (see, for example, Patent Document 1).
- Patent Document 1 Japanese Unexamined Patent Publication No. 2 0 1 5 --2 0 5 6 8 6
- the conventional brake hydraulic pressure control device all parts such as the adjusting valve, the pump element, and the electric motor are individually assembled to the hydraulic pressure block in which the oil passage is formed. Since each of these parts can generate sound vibration, it is necessary to take measures against sound vibration such as providing dampers for each part. In addition, if individual parts are assembled to the hydraulic block, the outer shape of the brake fluid pressure control device may become large, and the mountability on the vehicle may decrease.
- the present invention has been made in view of the above problems, and provides a brake fluid pressure control device capable of simplifying sound vibration countermeasures and reducing the outer shape.
- the brake hydraulic pressure control device that controls the hydraulic pressure of the hydraulic pressure circuits of a plurality of systems is connected to the pressure supply unit including the motor and the pump element and the pressure supply unit. It is equipped with a hydraulic block equipped with a control valve for adjusting the hydraulic pressure of the oil passage and multiple hydraulic circuits, and the pressure supply unit is a motor having a stator and a rotor and an axial direction of the rotating shaft of the rotor.
- a brake fluid that includes a sloping plate that is tilted relative to the rotor and a pump element that has multiple pumps driven by the rotation of the motor, with at least part of the pump element located inside the rotor.
- a pressure control device is provided.
- FIG. 1 is a circuit diagram showing a hydraulic circuit for a brake according to an embodiment of the present invention.
- FIG. 2 is a schematic view showing a brake fluid pressure control device according to the same embodiment.
- FIG. 3 is a cross-sectional view showing a pressure supply module according to the same embodiment.
- FIG. 4 is a perspective view showing the appearance of the pump element according to the same embodiment.
- FIG. 5 is a cross-sectional view showing a configuration example of a pump element according to the same embodiment.
- the brake hydraulic circuit 1 is applied to a brake system that amplifies the pedal effort of the brake pedal 10 by the driver and transmits it to the wheel cylinder without using a booster.
- the braking system shown in Fig. 1 is a braking system for four-wheeled vehicles.
- the brake hydraulic circuit 1 may be applied to a braking system that uses a booster to amplify the pedal effort of the driver's brake pedal 10 and transmit it to the wheel cylinder.
- the brake pedal 10 is depressed by the driver when braking the vehicle. If it is an element that can input the driver's brake request, it may be replaced with the operating element of the brake pedal 1 ⁇ .
- the brake pedal 10 is connected to the piston rod 1 1.
- the pistol load 11 is provided with a stroak sensor 8 for detecting the amount of stroke, which is the amount of axial displacement of the pistol load 11.
- the reserve tank 16 holds hydraulic oil as a fluid that generates hydraulic pressure. Reservoir tank 1 6 is connected to master cylinder 1 4 and supplies hydraulic oil into master cylinder 1 4.
- the master cylinder 1 4 holds the primary pistons 1 2 3 and the secondary pistons 1 2 in a moveable manner.
- the master cylinder 1 4 shown in FIG. 1 is a tandem master cylinder 1 4 and has two pressure chambers 1 3 and 1 3 13 defined by a primary biston 1 2 3 and a secondary piston 1 213.
- the primary piston 1 2 & is provided at the tip of the piston rod 1 1.
- the second lipiston 1 2 13 is connected to the primary piston 1 23 via a coil spring 1 5 located in the pressure chamber 1 3 8.
- the pressure chamber 13 contains a coil spring 1 513 connected to the secondary piston 1 213.
- the spring forces of the two coil springs 1 5 3, 1 5 3 ⁇ 4> are the same.
- the respective capacities of the two pressure chambers 1 3 3 and 1 3 13 vary depending on the amount of strok in the pistol rod 1 1.
- the two pressure chambers 1 3 3 and 1 3 3 are connected to the hydraulic circuits 28 and 30, respectively.
- the brake pedal 10 By operating the brake pedal 10 the primary piston 1 2 3 and the secondary piston 1 2 are pressed through the piston rod 1 1 to operate the hydraulic circuits 28 and 30. ⁇ 2020/217114? € 1/16 2020/052904
- the brake fluid pressure controller 20 includes two hydraulic circuits 28, 30 having the same configuration. Hydraulic oil is supplied to one of the hydraulic circuits 2 8 from one of the pressure chambers 1 3 a of the master cylinder 1 4. Hydraulic oil is supplied to the other hydraulic circuit 30 from the other pressure chamber 1 3 b of the master cylinder 1 4.
- the brake hydraulic circuit 1 controls the hydraulic pressure by using the respective hydraulic circuits 28 and 30 as a set of one front wheel and one rear wheel at diagonal positions of the vehicle. It is configured with an X-type piping system.
- the wheel cylinder 3 8 a of the hydraulic brake 2 2 a on the right front wheel (FR) and the wheel cylinder 3 8 b of the hydraulic brake 2 2 b on the left rear wheel (RL) are liquid.
- the hydraulic fluid is supplied via the pressure circuit 28.
- the wheel cylinder 3 8 c of the left front wheel (FL) hydraulic brake 2 2 c and the wheel cylinder 3 8 d of the right rear wheel (RR) hydraulic brake 2 2 d are connected via the hydraulic circuit 30.
- the hydraulic fluid is supplied.
- the brake system is not limited to the X-type piping system. Further, the brake system is not limited to the brake system for four-wheeled vehicles, and may be the brake system for two-wheeled vehicles or other vehicles.
- the hydraulic circuit 30 has the same structure as the hydraulic circuit 28.
- the description of the hydraulic circuit 28 will be described, and the description of the hydraulic circuit 30 will be omitted.
- the hydraulic circuit 2 8 to which hydraulic oil is supplied from the pressure chamber 1 3 a of the master cylinder 1 4 is provided with a plurality of electromagnetic valves.
- the solenoid valves are a normally closed type circuit control valve 3 6 that can be linearly controlled, a normally closed type intake control valve 3 4 that is on-off controlled, and a normally open type pressure booster valve 5 8 a, 5 that can be linearly controlled.
- 8 b hereinafter collectively referred to as pressure booster valve 5 8 when no distinction is required
- pressure reducing valves 5 4 a, 5 4 b hereinafter, when no distinction is required
- the hydraulic circuit 2 8 includes a pump unit 4 4 driven by a motor 96.
- the hydraulic circuit 2 8 includes an accumulator 7 1 and a damper 7 3.
- the circuit control valve 3 6 communicates or shuts off between the master cylinder 1 4 and the booster valves 5 8 a and 58 b.
- the suction control valve 3 4 communicates or shuts off between the master cylinder 1 4 and the suction side of the pump section 4 4.
- the drive of the circuit control valve 3 6 and the intake control valve 3 4 is controlled by an electronic control unit (ECU) (not shown).
- ECU electronice control unit
- the circuit control valve 36 has a bypass flow path 41 with a check valve 40.
- the check valve 40 enables the movement of hydraulic oil from the master cylinder 1 4 side to the hydraulic brake 2 2 a on the right front wheel and the hydraulic brake 2 2 b side on the left rear wheel via the bypass flow path 4 1. To do.
- the check valve 40 transfers the hydraulic oil from the hydraulic brake 2 2 a on the right front wheel and the hydraulic brake 2 2 b side on the left rear wheel to the master cylinder 1 4 side via the bypass flow path 4 1. Make it impossible.
- the check valve 40 is a hydraulic brake for the right front wheel from the master cylinder 1 4 side and the left when the circuit control valve 3 6 is closed due to a failure of the circuit control valve 3 6 for example. Guarantee the movement of hydraulic oil to the hydraulic brake 2 2 b side of the rear wheels.
- the pressure boosting valve 5 8 a and the pressure reducing valve 5 4 a are the wheel cylinders of the hydraulic brake 2 2 a on the right front wheel. ⁇ 2020/217114? € 1/16 2020/052904
- the booster valve 5 8 & and the pressure reducing valve 5 4 & are used to control the hydraulic brake 2 2 & on the right front wheel.
- the pressure boosting valve 5 8 13 and the pressure reducing valve 5 4 13 are provided in the oil passage that communicates with the wheel cylinder 3 8 b of the hydraulic break 2 2 of the left rear wheel.
- the booster valve 5 8 b and the pressure reducing valve 5 4 13 are used to control the hydraulic brake 2 2 13 on the left rear wheel.
- the booster valve 5 8 3 is provided between the circuit control valve 3 6 and the hydraulic brake 2 2 3 on the right front wheel.
- the booster valve 5 8 3 is linearly controllable, and the flow rate of hydraulic oil from the master cylinder 1 4 and circuit control valve 3 6 side to the wheel cylinder 3 8 3 side of the hydraulic brake 2 2 3 on the right front wheel Adjust continuously.
- the booster valve 5 8 3 has a bypass flow path 6 1 3 with a check valve 6 0 3.
- the check valve 60 is the master cylinder 1 4 and from the hydraulic brake 2 2 & side of the right front wheel. The movement of hydraulic oil through the bypass flow path 6 1 3 to the circuit control valve 3 6 side is guaranteed.
- the pressure reducing valve 5 4 3 is a solenoid valve that can be switched between fully open and fully closed.
- the pressure reducing valve 5 4 is provided between the wheel cylinder 3 8 of the hydraulic brake 2 2 3 on the right front wheel and the accumulator 7 1.
- the pressure reducing valve 5 4 3 reduces the pressure by supplying the hydraulic oil supplied to the wheel cylinder 3 8 3 of the hydraulic brake 2 2 3 of the right front wheel to the accumulator 7 1 in the valve open state.
- the accumulator 7 1 accumulates or releases the hydraulic oil while changing its volume according to the pressure of the hydraulic oil supplied through the pressure reducing valves 5 4 3, 5 4 13.
- the pressure reducing valve 5 4 & is a hydraulic brake for the right front wheel by repeating opening and closing intermittently.
- the booster valve 5 8 13 is provided between the pipeline connecting the circuit control valve 3 6 and the booster valve 5 8 £ 1 and the wheel cylinder 3 8 of the hydraulic break 2 2 13 on the left rear wheel. There is.
- the pressure boosting valve 5 8 13 is linearly controllable, and the master cylinder 1 4, the circuit control valve 36, the pressure boosting valve 5 8 3 and the wheel cylinder of the hydraulic shake 2 2 on the right front wheel 3 8 Continuously adjust the flow rate of hydraulic oil from the 8 side to the wheel cylinder 3 8 13 side of the hydraulic shake 2 2 13 of the left rear wheel.
- the booster valve 5 8 13 has a bypass flow path 61 with a check valve 60.
- the check valve 6 0 13 enables the movement of hydraulic oil from the hydraulic brake 2 2 13 side of the left rear wheel to the master cylinder 1 4 and the circuit control valve 3 6 side via the bypass flow path 6 1 13.
- the check valve 6 0 13 cannot move the hydraulic oil from the master cylinder 1 4 and the circuit control valve 3 6 side to the hydraulic brake 2 2 side of the left rear wheel via the bypass flow path 6 1 13.
- the check valve 6 0 13 is a master cylinder from the hydraulic brake 2 2 13 side of the left rear wheel, for example, when the pressure booster valve 5 8 13 is closed due to a failure of the pressure booster valve 5 8 13. 4 and circuit control valve
- the pressure reducing valve 5 4 13 is a solenoid valve that can be switched between fully open and fully closed.
- the pressure reducing valve 5 4 13 is provided between the wheel cylinder 3 8 13 of the hydraulic brake 2 2 on the left rear wheel and the accumulator 7 1. ⁇ 2020/217114? € 1/16 2020/052904
- the pressure reducing valve 5 4 13 reduces the pressure by supplying the hydraulic oil supplied to the wheel cylinder 3 8 b of the hydraulic brake 2 2 13 of the left rear wheel to the accumulator 7 1 in the valve open state.
- the pressure reducing valve 5 4 13 can adjust the flow rate of hydraulic oil flowing from the wheel cylinder 3 8 of the hydraulic brake 2 2 on the left rear wheel to the accumulator 71 1 by repeating opening and closing intermittently.
- the pump unit 4 4 is driven by the motor 96 to discharge hydraulic oil.
- the drive of motor 96 is not shown. Controlled by II.
- the number of pump units 4 4 is not limited to one.
- the discharge side of the pump section 4 4 is connected to the pipeline connecting the circuit control valve 3 6 and the pressure boosting valves 5 8 3, 5 8.
- a damper 7 3 is provided on the discharge side of the pump unit 4 4.
- the damper 7 3 has a function of reducing vibration or vibration noise caused by a change in the flow rate of hydraulic oil in the hydraulic circuit 28.
- a variable throttle 3 1 and a check valve 3 2 are provided between the pipeline connecting the circuit control valve 3 6 and the booster valves 5 8 &, 5 8 13 and the damper 7 3.
- the variable throttle 3 1 adjusts the flow rate of hydraulic oil supplied through the damper 7 3.
- the check valve 3 2 allows the hydraulic oil to move from the damper 7 3 side to the pipeline side that connects the circuit control valve 3 6 and the booster valves 5 8 3, 5 8.
- a chuck valve 6 9 is provided in the pipeline connecting the pressure reducing valves 5 4 3, 5 4 and the suction side of the pump section 4 4.
- the check valve 6 9 allows the hydraulic oil to move from the pressure reducing valves 54, 5 4 13 side to the suction side of the pump section 4 4, but makes it impossible to move the hydraulic oil in the opposite direction.
- a first pressure sensor 2 4 is provided in the pipeline communicating with the pressure chamber 1 3 3 of the master cylinder 1 4.
- the first pressure sensor 2 4 detects the pressure (master cylinder pressure) in the pressure chamber 1 3.
- a second pressure sensor 2 6 is provided in the conduit that communicates with the wheel cylinder 3 8 3 of the hydraulic brake 2 2 3 on the right front wheel.
- the second pressure sensor 26 detects the wheel cylinder pressure.
- the second pressure sensor 26 may be provided in a pipeline communicating with the wheel cylinder 3 8 of the hydraulic brake 2 2 13 of the left rear wheel.
- the other hydraulic circuit 30 to which hydraulic oil is supplied from the pressure chamber 1 3 13 of the master cylinder 1 4 applies the hydraulic brake 2 2 0 for the left front wheel and the hydraulic brake 2 2 ⁇ 1 for the right rear wheel. Control.
- the hydraulic circuit 30 uses the wheel cylinder 3 8 3 of the right front wheel hydraulic brake 2 2 3 in the above description of the hydraulic circuit 2 8 and the left front wheel hydraulic brake 2 2 wheel cylinder 3 8
- the wheel cylinder 3 8 of the left rear wheel hydraulic brake 2 2 is replaced with the right rear wheel hydraulic brake 2 2 (3 wheel cylinder 3 8 3), but it is configured in the same way as the hydraulic circuit 2 8 ..
- the brake fluid pressure control device 20 includes a pressure supply unit 90 and a hydraulic pressure block 130.
- the hydraulic block 130 is equipped with a circuit control valve, suction control valve, pressure booster valve, pressure reducing valve, pressure pressure sensor, accumulator, damper, etc. (not shown), and also has multiple oil passages for connecting these parts. Two hydraulic circuits are formed.
- the pressure supply unit 90 includes a motor 96 and a pump element 80 with two pump parts 4 4 and is mounted on one side 1 3 0 3 of the hydraulic block 1 30.
- the motor 96 and the two pumps 4 4 can be sources of sound vibration because they operate at high speeds, respectively.
- the brake fluid pressure control device 20 has a pressure supply unit 90 that integrates a motor 96 and a pump element 80, which can be a source of sound vibration, and is attached to the hydraulic block 130. ⁇ 2020/217114? € 1/16 2020/052904
- a damper member 200 made of, for example, an annular elastic rubber is interposed between the pressure supply unit 90 and the hydraulic block 130, and the vibration generated by the pressure supply unit 90 Is difficult to transmit to the hydraulic block 130. That is, in the break hydraulic pressure control device 2 ⁇ according to the present embodiment, one damper member 200 is used to prevent sound vibration of the motor 96 and the two pump parts 44.
- FIG. 3 is a cross-sectional view of the pressure supply unit 90.
- FIG. 4 is a perspective view of the pump element 80
- FIG. 5 is a cross-sectional view of the pump element 8 ⁇ .
- FIG. 5 is a cross-sectional view of the I — I section of the pump element 80 shown in Fig. 4, and Fig. 3 is also a cross-sectional view of the pressure supply unit 9 ⁇ at the corresponding position.
- the pressure supply unit 90 is mounted on one side 1 3 ⁇ 3 of the hydraulic block 130.
- the method of fixing the pressure supply unit 90 to the hydraulic block 130 is not particularly limited as long as it can attenuate the vibration generated in the pressure supply unit 90.
- a flange part is provided in the housing 91 of the pressure supply unit 90, and a bolt is passed through the flange part to fix it to the hydraulic block 130 while interposing an elastic rubber as a damper. You may.
- the pressure supply unit 9 ⁇ is equipped with a housing 9 1 motor 96 6 and a pump element 80 0.
- the housing 9 1 has a housing portion 9 1 3 which is a cylindrical internal space, and the motor 96 6 and the pump element 80 are housed in the housing portion 9 1 3.
- the motor 9 6 includes a stator 9 7 and a rotor 9 8.
- the stator 9 7 is formed in an annular shape and is mounted along the inner peripheral surface of the housing 9 1 3 of the housing 91.
- the rotor 9 8 is arranged on the inner diameter side of the stator 97 and is rotatably supported around the shaft.
- the rotor 9 8 has at least a recess 9 8 3 that opens to the hydraulic block 130 side.
- the extending direction of the rotating shaft is referred to as an axial direction.
- a shaft member 101 is provided on one end side (upper side in FIG. 3) of the rotor 9 8 in the axial direction, and the shaft member 110 1 is inside the protruding portion 9 2 of the housing 9 1 via a bearing (not shown). Is supported by.
- the other end of the rotor 98 in the axial direction (lower side in FIG. 3) is supported by the housing 91 via a bearing 94.
- the shaft member 1 0 1 extends into the recess 9 8 & of the rotor 98 8, and the rotating member 1 2 3 is fixed to the tip end side of the shaft member 1 0 1 in the recess 98 8.
- the surface of the rotating member 1 2 3 facing the pump element 80 side is formed so as to be inclined with respect to the axial direction.
- the rotating member 1 2 3 rotates about the axis together with the rotor 98.
- the rotating member 1 2 3 may be fixed directly to the rotor 98 instead of the shaft member 110 1.
- a swash plate 1 2 5 is arranged via a bearing 1 2 5 on the surface of the rotating member 1 2 3 facing the pump element 80 side.
- the surface of the swash plate 1 2 5 opposite to the rotating member 1 2 3 side is supported by two pistons 1 5 1 of the pump element 80.
- the swash plate 1 2 5 does not rotate with the axial rotation of the rotor 98, but with the axial rotation of the rotating member 1 2 3, on the surface of the rotating member 1 2 3 tilted with respect to the axial direction. The tilt direction changes accordingly.
- the swash plate 1 2 5 itself may be configured to rotate in accordance with the rotation of the rotor 98 8, but in the configuration example of the brake fluid pressure control device 20 according to the present embodiment, the swash plate 1 2 5 itself Since it does not rotate, it is possible to reduce the wear of the swash plate 1 2 5 or the biston 1 5 1 due to the friction between the swash plate 1 2 5 and the piston 1 5 1.
- the pump element 80 is inserted into the recess 9 8 3 ⁇ 4 provided in the rotor 98 8 from the hydraulic block 130 side through the central hole 9 3 3 formed in the housing copper 93 3 and assembled. Et al. ⁇ 2020/217114? € 1/16 2020/052904
- the pump element 80 is fixed to the housing and does not rotate with the rotor 98. At least part of the pump element 80 may be located in the recess 9 8 8, and all of the pump element 80 may be located in the recess 9 8 3.
- the pump element 80 has two pump parts 4 4 arranged around the axis at 180 degree intervals.
- the pump element 80 has two pump parts 4 4 assembled to the pump body 1 5 9.
- the two pump units 4 4 have the same configuration. Less than,
- the pump body 1 5 9 is provided with an introduction path 1 6 9 and a discharge path 1 7 9 as oil passages through which hydraulic oil flows.
- the pump body 1 5 9 is provided with a containment chamber 1 5 3 through which hydraulic fluid is introduced through the introduction path 1 6 9, and the containment chamber 1 5 3 has pistons 1 5 1 along the axial direction. It is arranged so that it can move back and forth.
- the Piston 1 5 1 is urged by the Piston Spring 1 5 5 to expand the capacity of the containment chamber 1 5 3.
- the suction valve 1 6 1 includes a valve body 1 65, a valve seat member 1 6 3 and a valve spring 1 6 7.
- the valve seat member 1 6 3 has a passage hole 1 6 3 3 for hydraulic oil, and the passage hole 1 6 3 3 is opened and closed by the valve body 1 6 5.
- the valve body 1 6 5 is pressed against the valve seat member 1 6 3 by the valve spring 1 6 7.
- the suction valve 1 6 1 is constructed as a one-way valve that allows hydraulic oil to pass from the hydraulic block 130 side to the accommodation chamber 1 5 3 side.
- a discharge valve 1 7 1 is provided in the middle of the discharge path 1 7 9.
- the discharge valve 1 7 1 includes a valve body 1 7 5, a valve seat member 1 7 3 and a valve spring 1 7 7.
- the valve seat member 1 7 3 has a passage hole 1 7 3 3 for hydraulic oil, and the passage hole 1 7 3 & is opened and closed by the valve body 1 7 5.
- the valve body 1 7 5 is pressed against the valve seat member 1 7 3 by the valve spring 1 7 7.
- the discharge valve 1 7 1 is configured as a one-way valve that allows hydraulic oil to pass from the accommodation chamber 1 5 3 side to the hydraulic block 130 side.
- the introduction path 1 6 9 and the discharge path 1 7 9 each have openings 1 6 9 3, 1 7 9 & on the side facing the side surface 1 3 0 3 of one of the hydraulic blocks 1 3 0.
- the introduction path 1 6 9 and the discharge path 1 7 9 communicate with the oil passage formed in the hydraulic block 130, respectively (see Fig. 3).
- Grooves 1 5 7 &, 1 5 7 on which the seal ring is arranged are formed around the openings 1 6 9 3 and 1 7 9 3.
- the pressure supply unit 90 is attached to the hydraulic block 130 and is sandwiched between the pump element 80 and the hydraulic block 130.
- a groove that defines the position of the seal ring 2 0 2 a 2 0 2 b may be provided on the hydraulic block 130 side.
- the electronically controlled unit drives the motor 96.
- the motor 96 When the motor 96 is driven, the rotor 9 8 rotates about an axis. Along with this, the inclination direction of the swash plate 1 2 7 changes. Therefore, the piston 1 5 1 of each pump unit 4 4 provided in the pump element 80 reciprocates once in the containment chamber 1 5 3 during one rotation of the rotor 98.
- the pump unit 4 4 repeats suction and discharge of hydraulic oil. Since the amount of stroking of the screw 1 5 1 changes according to the tilt angle of the swash plate 1 2 5, the hydraulic oil is discharged from the pump section 4 4 by adjusting the tilt angle of the swash plate 1 2 5. The amount can be set. Since the two pump units 4 4 are arranged at intervals of 1 8 ⁇ degrees, the suction and discharge of hydraulic oil are in opposite phases.
- the electronically controlled unit controls the booster valve 5 8 and the pressure reducing valve 54, etc. while discharging the hydraulic oil from the pump section 4 4 in this way to control the brake fluid pressure generated on each wheel 38. Slurp.
- the brake fluid pressure control device 20 integrates the motor 96 and the pump element 80 0, which can be a source of sound vibration, as a pressure supply unit 90, and integrates the hydraulic pressure block 1 It is attached to 30. For this reason, noise vibration countermeasures for the motor 96 and the pump element 80 can be configured with a common damper member 20 ⁇ .
- the brake fluid pressure control device 20 is configured by inserting at least a part of the pump element 80 into the recess 9 8 & formed in the rotor 98 of the motor 96 6. Therefore, when unitizing the motor 96 and the pump element 80, it is possible to prevent the size in the axial direction from increasing, and the pump element 80 is provided in the hydraulic block 130. Therefore, the hydraulic block 130 can be downsized. Therefore, the overall outer shape of the brake fluid pressure control device 20 can be miniaturized.
- the brake fluid pressure control device mounted on the four-wheeled vehicle is described as an example, but the present invention is not limited to such an example, and is mounted on a two-wheeled vehicle or other vehicle such as a motorcycle. It may be a brake fluid pressure control device. Further, in the above embodiment, the brake fluid pressure control device having two hydraulic circuits has been described as an example, but the brake hydraulic circuit may include three or more hydraulic circuits.
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Transportation (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Electromagnetism (AREA)
- Regulating Braking Force (AREA)
- Valves And Accessory Devices For Braking Systems (AREA)
- Reciprocating Pumps (AREA)
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP20722645.7A EP3960556B1 (en) | 2019-04-22 | 2020-03-27 | Brake hydraulic pressure control apparatus |
| JP2021515309A JP7150154B2 (ja) | 2019-04-22 | 2020-03-27 | ブレーキ液圧制御装置 |
| US17/604,811 US12122334B2 (en) | 2019-04-22 | 2020-03-27 | Brake hydraulic pressure control apparatus |
| CN202080030327.7A CN113710550B (zh) | 2019-04-22 | 2020-03-27 | 制动液压控制装置 |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2019-080964 | 2019-04-22 | ||
| JP2019080964A JP2020175845A (ja) | 2019-04-22 | 2019-04-22 | ブレーキ液圧制御装置 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2020217114A1 true WO2020217114A1 (ja) | 2020-10-29 |
Family
ID=70476263
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/IB2020/052904 Ceased WO2020217114A1 (ja) | 2019-04-22 | 2020-03-27 | ブレーキ液圧制御装置 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US12122334B2 (https=) |
| EP (1) | EP3960556B1 (https=) |
| JP (2) | JP2020175845A (https=) |
| CN (1) | CN113710550B (https=) |
| WO (1) | WO2020217114A1 (https=) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0025714A1 (en) * | 1979-09-15 | 1981-03-25 | LUCAS INDUSTRIES public limited company | A vehicle brake actuator and braking system |
| WO1994003726A1 (fr) * | 1992-08-06 | 1994-02-17 | Daikin Industries, Ltd. | Appareil produisant une pression fluidique |
| WO2007028687A1 (de) * | 2005-09-05 | 2007-03-15 | Robert Bosch Gmbh | Kolbenpumpe mit taumelscheibenantrieb |
| US20080191549A1 (en) * | 2004-12-06 | 2008-08-14 | Lucas Automotive Gmbh | Pressure Generator for a Vehicle Brake System and Method for Mounting Said Pressure Generator |
| WO2010019661A1 (en) * | 2008-08-12 | 2010-02-18 | Delphi Technologies, Inc. | Linear dual channel hydraulic control unit |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19542657C2 (de) | 1995-11-15 | 2001-06-21 | Lucas Ind Plc | Fahrzeugbremsbetätigungseinheit |
| DE19958936C1 (de) * | 1999-12-07 | 2001-05-17 | Lucas Varity Gmbh | Fahrzeugbremsanlage mit einer Motor-/Pumpeneinheit |
| US7182583B2 (en) * | 2004-02-06 | 2007-02-27 | Sauer-Danfoss Inc. | Electro-hydraulic power unit with a rotary cam hydraulic power unit |
| US7845738B2 (en) * | 2007-11-15 | 2010-12-07 | Bwi Company Limited S.A. | Linear single channel hydraulic control unit |
| JP5600274B2 (ja) * | 2010-08-18 | 2014-10-01 | 川崎重工業株式会社 | 作業機械の電液駆動システム |
| DE102011076581A1 (de) | 2010-12-23 | 2012-06-28 | Robert Bosch Gmbh | Hydrostatische Kolbenmaschine mit Bremsvorrichtung |
| DE102014207549A1 (de) | 2014-04-22 | 2015-10-22 | Robert Bosch Gmbh | Pumpengehäuseanordnung eines Hydraulikaggregats einer Fahrzeugbremsanlage |
| KR102382574B1 (ko) * | 2017-05-17 | 2022-04-05 | 주식회사 만도 | 전자식 브레이크 시스템 |
| JP2019116155A (ja) * | 2017-12-27 | 2019-07-18 | ロベルト・ボッシュ・ゲゼルシャフト・ミト・ベシュレンクテル・ハフツングRobert Bosch Gmbh | ブレーキ液圧制御装置 |
| JP2019127202A (ja) | 2018-01-26 | 2019-08-01 | ロベルト・ボッシュ・ゲゼルシャフト・ミト・ベシュレンクテル・ハフツングRobert Bosch Gmbh | ブレーキ液圧制御装置 |
-
2019
- 2019-04-22 JP JP2019080964A patent/JP2020175845A/ja active Pending
-
2020
- 2020-03-27 CN CN202080030327.7A patent/CN113710550B/zh active Active
- 2020-03-27 EP EP20722645.7A patent/EP3960556B1/en active Active
- 2020-03-27 JP JP2021515309A patent/JP7150154B2/ja active Active
- 2020-03-27 WO PCT/IB2020/052904 patent/WO2020217114A1/ja not_active Ceased
- 2020-03-27 US US17/604,811 patent/US12122334B2/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0025714A1 (en) * | 1979-09-15 | 1981-03-25 | LUCAS INDUSTRIES public limited company | A vehicle brake actuator and braking system |
| WO1994003726A1 (fr) * | 1992-08-06 | 1994-02-17 | Daikin Industries, Ltd. | Appareil produisant une pression fluidique |
| US20080191549A1 (en) * | 2004-12-06 | 2008-08-14 | Lucas Automotive Gmbh | Pressure Generator for a Vehicle Brake System and Method for Mounting Said Pressure Generator |
| WO2007028687A1 (de) * | 2005-09-05 | 2007-03-15 | Robert Bosch Gmbh | Kolbenpumpe mit taumelscheibenantrieb |
| WO2010019661A1 (en) * | 2008-08-12 | 2010-02-18 | Delphi Technologies, Inc. | Linear dual channel hydraulic control unit |
Also Published As
| Publication number | Publication date |
|---|---|
| US20220176929A1 (en) | 2022-06-09 |
| CN113710550A (zh) | 2021-11-26 |
| EP3960556B1 (en) | 2023-05-10 |
| JPWO2020217114A1 (https=) | 2020-10-29 |
| US12122334B2 (en) | 2024-10-22 |
| EP3960556A1 (en) | 2022-03-02 |
| JP2020175845A (ja) | 2020-10-29 |
| CN113710550B (zh) | 2024-03-05 |
| JP7150154B2 (ja) | 2022-10-07 |
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