CN111376882A - Force sense simulation device of automobile brake auxiliary system - Google Patents

Force sense simulation device of automobile brake auxiliary system Download PDF

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Publication number
CN111376882A
CN111376882A CN201811606626.1A CN201811606626A CN111376882A CN 111376882 A CN111376882 A CN 111376882A CN 201811606626 A CN201811606626 A CN 201811606626A CN 111376882 A CN111376882 A CN 111376882A
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CN
China
Prior art keywords
way
oil
connecting piece
oil cylinder
joint
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Pending
Application number
CN201811606626.1A
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Chinese (zh)
Inventor
王雨晖
王思祺
王钰淇
刘温军
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Shanghai Junchuang Digital Technology Co ltd
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Shanghai Junchuang Digital Technology Co ltd
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Application filed by Shanghai Junchuang Digital Technology Co ltd filed Critical Shanghai Junchuang Digital Technology Co ltd
Priority to CN201811606626.1A priority Critical patent/CN111376882A/en
Publication of CN111376882A publication Critical patent/CN111376882A/en
Pending legal-status Critical Current

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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60TVEHICLE 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
    • B60T11/00Transmitting braking action from initiating means to ultimate brake actuator without power assistance or drive or where such assistance or drive is irrelevant
    • B60T11/10Transmitting braking action from initiating means to ultimate brake actuator without power assistance or drive or where such assistance or drive is irrelevant transmitting by fluid means, e.g. hydraulic

Abstract

The invention discloses a force sense simulation device of an automobile brake auxiliary system, wherein a connecting shaft is arranged on an oil cylinder fixing bottom plate and is connected with a hydraulic cylinder through an oil cylinder lower mounting piece; the inner cylinder barrel of the hydraulic cylinder is connected with the three-way joint connecting piece and the three-way pipe into a whole through the oil cylinder, the other two joints of the three-way pipe are respectively provided with an adjustable one-way valve and a one-way valve, the adjustable one-way valve and the one-way valve are respectively communicated with the three-way joint through the adjustable one-way valve and the three-way joint connecting piece and the one-way valve and the three-way joint connecting piece, the top joint of the three-way joint is provided with the three-way joint and the oil storage tank connecting.

Description

Force sense simulation device of automobile brake auxiliary system
Technical Field
The invention relates to the technical field of automobile brake simulation, in particular to a force sense simulation device of an automobile brake auxiliary system.
Background
Most of force feedback of some existing brake simulation systems is realized only through springs, so that the force feedback effect is single, the strength is relatively stiff, the noise is high, the driving experience is poor, and therefore a real automobile brake auxiliary system force sense simulation device capable of changing the situation is urgently needed.
According to the problems, the invention provides the force sense simulation device of the automobile brake auxiliary system, the defects of a spring can be overcome by arranging the hydraulic cylinder in the device, the brake auxiliary function which cannot be realized by the spring is realized, the braking force required by braking is fed back by monitoring the flow speed control flow through the electromagnetic hydraulic flow regulating valve, and more real braking experience is brought to people.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides a force sense simulation device of an automobile brake auxiliary system.
In order to solve the technical problems, the invention provides the following technical scheme: a force sense simulation device of an automobile brake auxiliary system comprises an oil cylinder fixing bottom plate, a connecting shaft, an oil cylinder lower mounting piece, an oil cylinder and three-way joint connecting piece, a three-way pipe, an adjustable one-way valve and three-way joint connecting piece, a three-way joint and oil storage tank connecting piece, an oil storage tank, a one-way valve and three-way joint connecting piece, a one-way valve, a spring, an oil cylinder upper mounting piece, an oil cylinder piston rod, a hydraulic cylinder and a spring; the connecting shaft is arranged on the oil cylinder fixing bottom plate and is connected with the hydraulic cylinder through the oil cylinder lower mounting piece, an oil cylinder piston rod is movably arranged in the hydraulic cylinder, an oil cylinder upper mounting piece is fixed at one end, far away from the hydraulic cylinder, of the oil cylinder piston rod, a spring is sleeved on the position between the oil cylinder upper mounting piece and a spring lower mounting plate arranged on the hydraulic cylinder, one end of the spring is connected with the oil cylinder upper mounting piece, and the other end of the spring is connected with the spring;
the inner cylinder barrel of the hydraulic cylinder is connected with the three-way joint connecting piece and the three-way pipe into a whole through the oil cylinder, the other two joints of the three-way pipe are respectively provided with an adjustable one-way valve and a one-way valve, the adjustable one-way valve and the one-way valve are respectively communicated with the three-way joint through the adjustable one-way valve and the three-way joint connecting piece and the one-way valve and the three-way joint connecting piece, the top joint of the three-way joint is provided with the three-way joint and the oil storage tank connecting.
As a preferable technical scheme of the invention, the diameter of the hydraulic oil inlet and outlet arranged on the adjustable one-way valve is smaller than that of the hydraulic oil inlet and outlet arranged on the one-way valve.
As a preferred technical scheme of the invention, a brake hydraulic oil compression route is formed among an internal cylinder barrel of the hydraulic cylinder, a connecting piece of the oil cylinder and the three-way joint, the three-way pipe, the adjustable one-way valve, the connecting piece of the adjustable one-way valve and the three-way joint, the connecting piece of the three-way joint and the oil storage tank.
As a preferred technical scheme of the invention, a hydraulic oil loop route is formed among the oil storage tank, the three-way joint and oil storage tank connecting piece, the three-way joint, the one-way valve and three-way joint connecting piece, the one-way valve, the three-way pipe, the oil cylinder and three-way joint connecting piece and the inner cylinder barrel of the hydraulic cylinder.
As a preferred technical scheme of the invention, the mounting piece on the oil cylinder is connected with the brake pedal.
As a preferred technical scheme of the invention, the upper and lower ends of the connecting piece of the oil cylinder and the three-way joint are in threaded connection with the hydraulic cylinder and the three-way pipe, and the joints of the adjustable check valve and the connecting piece of the three-way joint and the three-way pipe and the three-way joint are all movable joints.
The invention has the following beneficial effects: the invention provides a force sense simulation device of an automobile brake auxiliary system, which adopts a hydraulic technology to simulate the force sense of the automobile brake auxiliary system, when people feel that the braking value is maximum in a short time, a piston rod of an oil cylinder is stressed to do compression motion to press hydraulic oil into an oil outlet one-way valve, the flow of the one-way valve is fixed when the external pressure is large because the diameter ratio of the oil outlet one-way valve is small, so that the people can feel that the people step on the oil outlet one-way valve immovably, when the automobile brake is released, the hydraulic oil enters an oil storage tank and returns to the oil cylinder through an oil return one-way valve, the diameter of the oil return one-way valve is large, and quick. The auxiliary effect of automobile braking is realized; specifically, through the arranged hydraulic cylinder, the spring, the adjustable one-way valve and the one-way valve, when a driver steps on the brake, the piston rod of the oil cylinder can be extruded towards the inside of the hydraulic cylinder, so that hydraulic oil in a cylinder barrel of the hydraulic cylinder can enter the tee pipe through the oil cylinder and the tee joint connecting piece, then reaches the adjustable one-way valve and the tee joint connecting piece through the adjustable one-way valve, enters the tee joint through the adjustable one-way valve and the tee joint connecting piece, and then sequentially enters the tee joint, the oil storage tank connecting piece and the oil storage tank, a whole set of brake flow is completed, in the process, the diameter of the hydraulic oil inlet and the hydraulic oil outlet of the adjustable one-way valve is set to be small-caliber, so that when the driver emergently brakes, the hydraulic oil can not completely enter the adjustable one-way valve at once, then goes out from the adjustable one-way valve to, the maximum braking force is achieved, the brake auxiliary effect is realized, and more real driving experience is provided for a driver;
in addition, the spring can provide a rebound force for the piston rod of the oil cylinder when a driver releases the brake pedal, so that the piston rod of the oil cylinder can return to the original position, and the hydraulic oil also returns to the hydraulic cylinder to realize a cycle; the whole process solves the problem that other brake simulation control systems cannot simulate a brake auxiliary system; meanwhile, the brake feedback force of the device is slowly close to the brake of a real vehicle, and the device has a buffering feeling when being stepped to a certain degree, so that more real driving experience is brought to people.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention.
In the drawings:
fig. 1 is a schematic view of the overall structure of the present invention.
Reference numbers in the figures: 1. the oil cylinder fixes the bottom plate; 2. a connecting shaft; 3. a cylinder lower mounting member; 4. the oil cylinder is connected with the tee joint; 5. a three-way pipe; 6. an adjustable check valve; 7. the adjustable one-way valve is connected with the three-way joint; 8. a three-way joint; 9. the tee joint is connected with the oil storage tank; 10. an oil storage tank; 11. the one-way valve is connected with the three-way joint; 12. a one-way valve; 13. a spring; 14. an oil cylinder upper mounting piece; 15. a cylinder piston rod; 16. a hydraulic cylinder; 17. and a spring lower mounting plate.
Detailed Description
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are described herein for the purpose of illustration and explanation and not limitation.
In the description of the present invention, it should be noted that the terms "vertical", "upper", "lower", "horizontal", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
Example (b): as shown in fig. 1, a force sensing simulation device for an automobile brake auxiliary system comprises an oil cylinder fixing bottom plate 1, a connecting shaft 2, an oil cylinder lower mounting piece 3, an oil cylinder and three-way joint connecting piece 4, a three-way pipe 5, an adjustable one-way valve 6, an adjustable one-way valve and three-way joint connecting piece 7, a three-way joint 8, a three-way joint and oil storage tank connecting piece 9, an oil storage tank 10, a one-way valve and three-way joint connecting piece 11, a one-way valve 12, a spring 13, an oil cylinder upper mounting piece 14, an oil cylinder piston rod 15, a hydraulic cylinder 16 and a; the connecting shaft 2 is installed on the oil cylinder fixing bottom plate 1, the connecting shaft 2 is connected with the hydraulic cylinder 16 through the oil cylinder lower installation part 3, an oil cylinder piston rod 15 is movably installed in the hydraulic cylinder 16, an oil cylinder upper installation part 14 is fixed at one end, far away from the hydraulic cylinder 16, of the oil cylinder piston rod 15, the spring 13 is sleeved on the position between the oil cylinder upper installation part 14 and a spring lower installation plate 17 arranged on the hydraulic cylinder 16, one end of the spring is connected with the oil cylinder upper installation part 14, and the other end of the spring is connected with;
the inner cylinder barrel of the hydraulic cylinder 16 is connected with the three-way joint connecting piece 4 and the three-way pipe 5 into a whole through the oil cylinder, the other two joints of the three-way pipe 5 are respectively provided with an adjustable one-way valve 6 and a one-way valve 12, the adjustable one-way valve 6 and the one-way valve 12 are respectively communicated with the three-way joint 8 through the adjustable one-way valve and the three-way joint connecting piece 7 and the one-way valve and the three-way joint connecting piece 11, the top joint of the three-way joint 8 is provided with a three-way joint and oil storage tank connecting piece 9, and.
The diameter of the hydraulic oil inlet and outlet arranged on the adjustable check valve 6 is smaller than that of the hydraulic oil inlet and outlet arranged on the check valve 12, so that when a driver brakes in an emergency, hydraulic oil can not completely enter the adjustable check valve 6 at once, and then goes out of the adjustable check valve 6 to reach the three-way joint connecting piece 7, so that the driver feels that the brake pedal steps on half of the brake pedal and then steps on the brake pedal, the maximum braking force is achieved, the brake assisting effect is achieved, and more real driving experience is provided for the driver.
A brake hydraulic oil compression route is formed among an internal cylinder barrel of the hydraulic cylinder 16, the oil cylinder and three-way joint connecting piece 4, the three-way pipe 5, the adjustable one-way valve 6, the adjustable one-way valve and three-way joint connecting piece 7, the three-way joint 8, the three-way joint and oil storage tank connecting piece 9 and the oil storage tank 10; when a driver steps on the brake, the oil cylinder upper mounting piece 14 can extrude an oil cylinder piston rod 15 towards the inside of the hydraulic cylinder 16, so that hydraulic oil in a cylinder barrel of the hydraulic cylinder 16 can enter the three-way pipe 5 through the oil cylinder and the three-way joint connecting piece 4, then reaches the adjustable one-way valve and the three-way joint connecting piece 7 through the adjustable one-way valve 6, enters the three-way joint 8 through the adjustable one-way valve and the three-way joint connecting piece 7, and then sequentially enters the three-way joint and the oil storage tank connecting piece 9 and the oil storage tank 10, and a whole set of brake process is.
A hydraulic oil loop route is formed among the oil storage tank 10, the tee joint and oil storage tank connecting piece 9, the tee joint 8, the check valve and tee joint connecting piece 11, the check valve 12, the tee pipe 5, the oil cylinder and tee joint connecting piece 4 and the inner cylinder barrel of the hydraulic cylinder 16, when a driver releases a brake pedal, the spring 13 can provide a rebound force for the oil cylinder piston rod 15, so that the oil cylinder piston rod 15 can return to the original position, hydraulic oil also returns to the hydraulic cylinder 16, a circulation is realized, and the problem that other brake simulation operating systems cannot simulate a brake auxiliary system is solved; meanwhile, the brake feedback force of the device is slowly close to the brake of a real vehicle, and the device has a buffering feeling when being stepped to a certain degree, so that more real driving experience is brought to people.
The cylinder upper mount 14 is connected to the brake pedal to enable the brake to be actuated by the driver when he steps on the brake pedal.
The upper end and the lower end of the oil cylinder and three-way joint connecting piece 4 are in threaded connection with the hydraulic cylinder 16 and the three-way pipe 5, so that the replacement and the maintenance are convenient; the joints of the adjustable check valve and the three-way joint connecting piece 7, the check valve and the three-way joint connecting piece 11, the three-way pipe 5 and the three-way joint 8 are all movable joints, and replacement and maintenance are convenient.
The working principle is as follows: the use method of the force sense simulation device of the automobile brake auxiliary system comprises the following steps:
when the brake pedal is used, a driver steps on the brake pedal, at the moment, the oil cylinder upper mounting piece 14 can extrude an oil cylinder piston rod 15 into the hydraulic cylinder 16, so that hydraulic oil in a cylinder barrel of the hydraulic cylinder 16 can enter the three-way pipe 5 through the oil cylinder and three-way joint connecting piece 4, then reaches the adjustable one-way valve and three-way joint connecting piece 7 through the adjustable one-way valve 6, enters the three-way joint 8 through the adjustable one-way valve and three-way joint connecting piece 7, and then sequentially enters the three-way joint and oil storage tank connecting piece 9 and the oil storage tank 10, and a whole set of brake process; the diameter of a hydraulic oil inlet and a hydraulic oil outlet arranged on the adjustable one-way valve 6 is small in diameter, so that when a driver brakes in an emergency, hydraulic oil cannot enter the adjustable one-way valve 6 completely at once and then goes out of the adjustable one-way valve 6 to reach the three-way joint connecting piece 7, so that the driver feels that the brake pedal is not stepped when stepping on about half of the brake pedal, the maximum brake force is achieved, the brake assisting effect is realized, and more real driving experience is provided for the driver;
when a driver releases the brake pedal, the spring 13 can provide a rebound force for the oil cylinder piston rod 15, so that the oil cylinder piston rod 15 can return to the original position, hydraulic oil also returns to the hydraulic cylinder 16, a cycle is realized, and the problem that other brake simulation operating systems cannot simulate a brake auxiliary system is solved; meanwhile, the brake feedback force of the device is slowly close to the brake of a real vehicle, and the device has a buffering feeling when being stepped to a certain degree, so that more real driving experience is brought to people.
It is worth noting that: the whole device is controlled by the master control button, and the equipment matched with the control button is common equipment, so that the device belongs to the existing well-known technology, and the electrical connection relation and the specific circuit structure of the device are not repeated.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art will understand that various changes, modifications and substitutions can be made without departing from the spirit and scope of the invention as defined by the appended claims. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (6)

1. A force sense simulation device of an automobile brake auxiliary system is characterized by comprising an oil cylinder fixing bottom plate (1), a connecting shaft (2), an oil cylinder lower mounting piece (3), an oil cylinder and three-way joint connecting piece (4), a three-way pipe (5), an adjustable one-way valve (6), an adjustable one-way valve and three-way joint connecting piece (7), a three-way joint (8), a three-way joint and oil storage tank connecting piece (9), an oil storage tank (10), a one-way valve and three-way joint connecting piece (11), a one-way valve (12), a spring (13), an oil cylinder upper mounting piece (14), an oil cylinder piston rod (15), a hydraulic cylinder (16) and a spring lower mounting plate; the connecting shaft (2) is installed on the oil cylinder fixing bottom plate (1), the connecting shaft (2) is connected with a hydraulic cylinder (16) through an oil cylinder lower installation part (3), an oil cylinder piston rod (15) is movably installed in the hydraulic cylinder (16), an oil cylinder upper installation part (14) is fixed at one end, far away from the hydraulic cylinder (16), of the oil cylinder piston rod (15), a spring (13) is sleeved between the oil cylinder upper installation part (14) and a spring lower installation plate (17) arranged on the hydraulic cylinder (16), one end of the spring is connected with the oil cylinder upper installation part (14), and the other end of the spring is connected with the spring lower installation plate (17;
the inner cylinder barrel of the hydraulic cylinder (16) is connected with the three-way joint connecting piece (4) and the three-way pipe (5) into a whole through the oil cylinder, the other two joints of the three-way pipe (5) are respectively provided with an adjustable one-way valve (6) and a one-way valve (12), the adjustable one-way valve (6) and the one-way valve (12) are respectively communicated with the three-way joint (8) through the adjustable one-way valve and the three-way joint connecting piece (7) and the one-way valve and the three-way joint connecting piece (11), the top joint of the three-way joint (8) is provided with the three-way joint and the oil storage tank connecting piece (9), and the three.
2. The force-sensing simulator of the brake auxiliary system of the automobile as claimed in claim 1, wherein the diameter of the hydraulic oil inlet and outlet provided on the adjustable check valve (6) is smaller than the diameter of the hydraulic oil inlet and outlet provided on the check valve (12).
3. The force sense simulation device of the automobile brake auxiliary system according to claim 1, wherein a brake hydraulic oil compression route is formed among an internal cylinder of the hydraulic cylinder (16), the oil cylinder and tee joint connector (4), the tee pipe (5), the adjustable one-way valve (6), the adjustable one-way valve and tee joint connector (7), the tee joint (8), the tee joint and oil storage tank connector (9) and the oil storage tank (10).
4. The force sense simulation device of the automobile brake auxiliary system according to claim 1, wherein a hydraulic oil loop route is formed among the oil storage tank (10), the three-way joint and oil storage tank connecting piece (9), the three-way joint (8), the check valve and three-way joint connecting piece (11), the check valve (12), the three-way pipe (5), the oil cylinder and three-way joint connecting piece (4) and the inner cylinder barrel of the hydraulic cylinder (16).
5. The force sense simulator of an automotive brake assist system according to claim 1, wherein the cylinder upper mount (14) is connected to a brake pedal.
6. The force sensing simulator of the automobile brake auxiliary system according to claim 1, wherein the connection between the upper and lower ends of the oil cylinder and the three-way joint connector (4) and the hydraulic cylinder (16) and the three-way pipe (5) is threaded, and the joints of the adjustable check valve and the three-way joint connector (7) and the check valve and the three-way joint connector (11) and the three-way pipe (5) and the three-way joint (8) are all movable joints.
CN201811606626.1A 2018-12-27 2018-12-27 Force sense simulation device of automobile brake auxiliary system Pending CN111376882A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201811606626.1A CN111376882A (en) 2018-12-27 2018-12-27 Force sense simulation device of automobile brake auxiliary system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201811606626.1A CN111376882A (en) 2018-12-27 2018-12-27 Force sense simulation device of automobile brake auxiliary system

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CN111376882A true CN111376882A (en) 2020-07-07

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CN201811606626.1A Pending CN111376882A (en) 2018-12-27 2018-12-27 Force sense simulation device of automobile brake auxiliary system

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10039670A1 (en) * 2000-08-14 2002-03-07 Lucas Varity Gmbh Pedal simulator for use with e.g. brake-by-wire vehicle braking systems, has return spring which exerts a restoring force on the pedal when operating the pedal, and a modeling device that influences the reaction behavior of the pedal
CN101927758A (en) * 2009-05-29 2010-12-29 玛格纳动力传动系统股份及两合公司 Brake pedal simulator and brake system
DE102011117264A1 (en) * 2011-05-03 2012-11-08 Magna Powertrain Ag & Co. Kg Brake pedal simulator for brake-by-wire brake system of e.g. left-hand drive vehicle, has simulation device supported by piston that is arranged in hydraulic cylinder and fixed in predetermined starting position in normal operating mode
WO2018091198A1 (en) * 2016-11-16 2018-05-24 Robert Bosch Gmbh Valve assembly, brake system, and method for operating a valve assembly
CN108791251A (en) * 2018-06-08 2018-11-13 芜湖伯特利电子控制系统有限公司 A kind of pedal travel simulator apparatus

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10039670A1 (en) * 2000-08-14 2002-03-07 Lucas Varity Gmbh Pedal simulator for use with e.g. brake-by-wire vehicle braking systems, has return spring which exerts a restoring force on the pedal when operating the pedal, and a modeling device that influences the reaction behavior of the pedal
CN101927758A (en) * 2009-05-29 2010-12-29 玛格纳动力传动系统股份及两合公司 Brake pedal simulator and brake system
DE102011117264A1 (en) * 2011-05-03 2012-11-08 Magna Powertrain Ag & Co. Kg Brake pedal simulator for brake-by-wire brake system of e.g. left-hand drive vehicle, has simulation device supported by piston that is arranged in hydraulic cylinder and fixed in predetermined starting position in normal operating mode
WO2018091198A1 (en) * 2016-11-16 2018-05-24 Robert Bosch Gmbh Valve assembly, brake system, and method for operating a valve assembly
CN108791251A (en) * 2018-06-08 2018-11-13 芜湖伯特利电子控制系统有限公司 A kind of pedal travel simulator apparatus

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Application publication date: 20200707