专利摘要:
This invention relates to the automotive industry. The purpose of the invention is to reduce the size. On the housing 3 of the master brake cylinder 1, an electromagnetic valve 24 is installed, creating selective communication between the brake circuit, the outlet 8 for the working fluid and the reservoir 10. The valve 24 has a drain pipe 30 entering the protrusion 33 of the reservoir 10. 3 Cp. -lly, 4 ill.
公开号:SU1508953A3
申请号:SU853912357
申请日:1985-06-12
公开日:1989-09-15
发明作者:Кервагорэ Жильбер
申请人:Сосьете Аноним Д.Б.А. (Фирма);
IPC主号:
专利说明:

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The invention relates to systems for regulating and modulating the brake pressure of at least one brake circuit with an anti-blocking device for an automobile vehicle.
The purpose of the invention is to reduce the size.
Fig. 1 shows a control and modulation unit of the brake system, front view; figure 2 - section aa in figure 1; on fig.Z - section bb in figure 2; FIG. 4 is a sectional view B-B in FIG. one.
The system includes a brake pressure regulation and modulation unit, which has a main brake 11 1 cylinder 1. CYLINDER 1 contains, in the bore 2 of the housing 3, a metering valve 4, actuated through the piston 5, moving in the bore 2, from the brake pedal 6, long. directing the working fluid under the modulus of Dona pressure from the source 7 of the working fluid to the outlet 8, made in the housing. To ensure hydrostatic operation, in the event of a pressure source 7 failure, the chamber of the main brake cylinder, filled in the bore 2 between the piston B and the valve 4, is fed through the supply channel 9 from the reservoir 10 having the bottom fitting 11 which is hermetically sealed to the socket 12 of the housing 3, communicating with the channel 9 by means of a connecting sealing sleeve 13. The housing 3 at one of the ends contains a flange 14 for mounting on the stationary wall of the vehicle, and at the opposite end of the bore 2 - a nozzle for connecting 7 to the pressure source with an inlet 15 for pressurized hydraulic fluid.
As can be seen in FIGS. 2 and 3, the housing 3 near the end opposite to the installation of the Noah flange 14 has a massive part with an upper flat surface 16, which is perpendicular to which is a stepped cylindrical seat 17, which communicates with the outlet 8 for the working fluid. In the nest 17 is located block 18 trans
for the valve, the ball 19 of the valve, moving between two coaxial seats, filled with each other, respectively
five
Q 5
t 20. - 7 25 -
J-50 3535
40
45
to and
55
on the lower base 20 of the block and on the upper part 21 of the valve block, both saddles are hermetically placed at the nest 17 and form in it between themselves an annular space communicating with the brake circuit through the channel 22 in the housing 3 and the hole 23.
The valve ball is actuated by a plunger of a solenoid valve 24, comprising a housing 25 of magnetic material in which an electromagnet 26 is installed, and a tubular extension 27, which is tightly fitting into the socket 17, while the housing 25 has a lower flat surface adjacent to the surface 16 of the housing 3 and is blocked on it with a flange 28 on the bolts with. In the housing 25 and the plunger there is a passage through the central passage 29 for the working fluid. The housing 25 in the upper part is closed by a drain pipe 30 of a non-magnetic material, which is hermetically sealed by means of a sealing blocking coupling 31 into an opening 32 made in the bottom wall of the protrusion 33 of the tank 10, which hangs over the valve 24, while the distance between the bottom of this protrusion 33 and the surface 16 is determined by the axial size. valve 24. With this arrangement, valve block 18 is co-directly between the outlet 8 of cylinder 1, the brake and reservoir 10,
During normal operation of the brake pressure regulation system (i.e., under conditions that do not require anti-blocking control), the coil 26 of the valve 24 is not energized and the valve ball 19 is resiliently pressed against the seat of the upper seat on the part 21, thus closing the brake circuit from the reservoir 10 and
ensuring its constant communication with the output opening 8 of the working cylinder of cylinder 1. When monitoring anti-blocking, sensors connected to the wheels of the brake circuit and electronic anti-lock block selectively actuate the valve 24 to cut off the brake circuit of the outlet 8, reduce the pressure in this brake circuit , ensuring the return of the working fluid to the reservoir 10 and selectively restoring the braking pressure in the circuit.
51508953
Referring to Figures 1, 3 and 4, the housing 3 has two bores 2 extending in parallel, each of which has a piston 5 (both pistons 5 are driven by a pedal 6), the first cylinder 1 having two outlets 8 for operating liquids each for a single brake circuit
6
characterized in that in order to reduce the dimensions, the reservoir is made with a protrusion, turning a niche above the casing of the main brake cylinder, and the solenoid valve is located in the specified ins and the casing of the electromagnetic valve is fixed on the casing of the main cylinder
systems equipped with valves 24, that th brake cylinder and is made with
Typically for vehicle front left and front right brakes, and the second cylinder 1 has one exhaust port 8 for the working fluid, communicating via valve 24 with the brake circuit of the rear wheels of the vehicle.
权利要求:
Claims (4)
[1]
1. A system for controlling and modulating the brake pressure of at least one brake circuit with an anti-lock device, adjacent to the master brake cylinder, in whose body a piston and a metering valve are located, controlled by a brake pedal, and an inlet port communicated with the source working fluid under pressure, and the outlet, as well as the solenoid valve for selective communication of the brake circuit through the outlet with the pressure chamber of the main brake cylinder and edstvenno with a reservoir mounted on the housing main bremsstrahlung cylinder via the fitting.
15
a through channel, the input of which by means of a switching valve element is connected to the outlet version and the brake circuit, and the outlet is communicated with the cavity in the reservoir ledge by means of a drainage tube, which is hermetically passing through the reservoir
[2]
2. Pop. 1 system, differing from 20 points to the fact that the socket connected to the outlet and the brake circuit and the switching valve element are located in the indicated socket are made in the case of the main brake cylinder.
25
thirty
[3]
3. The system according to claims 1 and 2, which differs from the fact that the drain tube is made of non-magnetic material and is installed in the opening of the wall of the protrusion of the reservoir by means of a sealing locking sleeve.
[4]
4. System popp. 2 & 3, exc
tacit with
35
the fact that the body
The pipe is made with a tubular extension at the bottom, tightly sealed at the bottom of the housing of the main brake cylinder.
6
characterized in that, in order to reduce overall dimensions, the reservoir is made with a protrusion forming a niche above the body of the main brake cylinder, and the solenoid valve is located in the specified inshe, and the case of the solenoid valve is fixed to the main body
brake cylinder and made with
a through channel, the input of which is connected to the outlet opening and the brake circuit through the switching valve element, and the outlet is connected to the cavity in the reservoir protrusion by means of a drainage tube that passes hermetically through the opening in the wall of the reservoir protrusion. 2. System pop. 1, which differs from the fact that the socket communicating with the outlet opening and the brake circuit and the switching valve element is located in the indicated socket, is completed in the case of the main brake cylinder.
thirty
3. A system according to claims 1 and 2, characterized in that the drain tube is made of a non-magnetic material and installed in the opening of the wall of the protrusion of the reservoir by means of a sealing locking sleeve.
4. System popp. 2iZ otli
the fact that the body of the class tubular lengthening of the part, hermetically ussnezde the body of the main cylinder.
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类似技术:
公开号 | 公开日 | 专利标题
SU1508953A3|1989-09-15|System for controlling and modulating braking pressure
US4526203A|1985-07-02|Electromagnetic valve
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US6398315B1|2002-06-04|Hydraulic unit for slip-controlled brake systems
ES2017568A6|1991-02-16|Improved integrated three-way and isolation solenoid valve.
US6203117B1|2001-03-20|Compensator assembly in a hydraulic control unit for vehicular brake systems
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US4796958A|1989-01-10|Integrated anti-lock braking system
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US4340257A|1982-07-20|Hydraulic brake system
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US4708405A|1987-11-24|Brake pressure generator for a hydraulic brake system for use with motor vehicles
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GB2281765A|1995-03-15|Electromagnetically operable valve
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US4890859A|1990-01-02|Level regulator for automotive vehicles
US5286102A|1994-02-15|Brake control device
US6227627B1|2001-05-08|Hydraulic motor vehicle braking system with wheel slip control
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US5037161A|1991-08-06|Combination isolation and check valve for an adaptive braking system
US4900103A|1990-02-13|Brake system with anti-skid control for motor vehicles
同族专利:
公开号 | 公开日
JPH0637163B2|1994-05-18|
DE3560432D1|1987-09-17|
AU575403B2|1988-07-28|
FR2565913B1|1986-09-19|
US4705324A|1987-11-10|
ES544078A0|1986-07-16|
AU4344685A|1985-12-19|
FR2565913A1|1985-12-20|
JPS6112460A|1986-01-20|
EP0168286A1|1986-01-15|
ES8609079A1|1986-07-16|
EP0168286B1|1987-08-12|
引用文献:
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法律状态:
优先权:
申请号 | 申请日 | 专利标题
FR8409206A|FR2565913B1|1984-06-13|1984-06-13|BRAKE PRESSURE CONTROL AND MODULATION SYSTEM FOR ANTI-LOCK BRAKE CIRCUIT|
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