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公开(公告)号:US12122336B2
公开(公告)日:2024-10-22
申请号:US18242472
申请日:2023-09-05
Applicant: HL MANDO CORPORATION
Inventor: In-Wook Jeon
CPC classification number: B60T13/686 , B60T7/042 , B60T8/3675 , B60T13/146 , B60T13/745 , B60T8/4081
Abstract: A hydraulic unit of an electronic control brake system is disclosed. The hydraulic unit of the electronic control brake system includes a modulator block having a plurality of accommodating bores in which a plurality of valves and pressure sensors coupled to a master cylinder to control braking hydraulic pressure supplied towards vehicle wheels are installed. Passages connecting between the accommodating bores are formed in the modulator block, and the passages are formed to be divided into two layers.
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公开(公告)号:US20170334417A1
公开(公告)日:2017-11-23
申请号:US15600650
申请日:2017-05-19
Applicant: MANDO CORPORATION
Inventor: Seong-Ho CHOI , In-Wook Jeon
CPC classification number: B60T13/68 , B60T8/341 , B60T8/38 , B60T8/4081 , B60T8/441 , B60T8/442 , B60T8/5025 , B60T8/5031 , B60T13/66 , B60T13/686
Abstract: According to the embodiment of the present disclosure, it provides an inspection valve installed at a flow path connecting a reservoir to a chamber of a master cylinder, comprising: a housing at which a bore is formed and having one side at which an inlet hole is formed; a plunger provided to be movable along the bore of the housing; a seat member configured to close one side of the bore and through which an outlet hole passes; and an elastic member having one side supported by the plunger and the other side supported by the seat member, wherein the plunger is provided to block the outlet hole when a hydraulic pressure flowing in through the inlet hole is greater than an elastic force of the elastic member.Also, according to the embodiment of the present disclosure, it provides an inspection valve installed at a bypass flow path connecting a front side of a check valve to a rear side thereof at a reservoir flow path connecting a reservoir to a master cylinder, comprising: a housing at which a bore is formed and having one side at which an inlet hole communicating with the master cylinder is formed; a plunger provided to be movable along the bore of the housing; a seat member configured to close one side of the bore and through which an outlet hole communicating with the reservoir passes; and an elastic member having one side supported by the plunger and the other side supported by the seat member, wherein the check valve is provided at the reservoir flow path and enables fluid to flow in a direction from the reservoir to the master cylinder, and the plunger is provided to block the outlet hole when a hydraulic pressure flowing in through the inlet hole is greater than an elastic force of the elastic member.
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公开(公告)号:US11745712B2
公开(公告)日:2023-09-05
申请号:US17385836
申请日:2021-07-26
Applicant: HL MANDO CORPORATION
Inventor: In-Wook Jeon
CPC classification number: B60T13/686 , B60T7/042 , B60T8/3675 , B60T13/146 , B60T13/745 , B60T8/4081
Abstract: A hydraulic unit of an electronic control brake system is disclosed. The hydraulic unit of the electronic control brake system includes a modulator block having a plurality of accommodating bores in which a plurality of valves and pressure sensors coupled to a master cylinder to control braking hydraulic pressure supplied towards vehicle wheels are installed. Passages connecting between the accommodating bores are formed in the modulator block, and the passages are formed to be divided into two layers.
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公开(公告)号:US10093295B2
公开(公告)日:2018-10-09
申请号:US15261864
申请日:2016-09-09
Applicant: MANDO CORPORATION
Inventor: Hyun-Ho Kim , In-Wook Jeon
Abstract: An electric brake system is disclosed. The electric brake system includes a master cylinder configured to discharge oil according to a pedal effort of a brake pedal, a simulation device provided with a simulator valve provided at a flow path connecting a simulation chamber, which is connected to the master cylinder to accommodate oil therein, to a first reservoir for storing oil therein so as to provide a reaction force according to the pedal effort of the brake pedal, and an inspection valve provided at a flow path connecting the first reservoir to the master cylinder or at a flow path connecting the master cylinder to the simulation device.
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公开(公告)号:US10071717B2
公开(公告)日:2018-09-11
申请号:US15355059
申请日:2016-11-18
Applicant: MANDO CORPORATION
Inventor: Gi-Yung Kim , Seong-Ho Choi , Dong-Yo Ryu , Yong-Kap Kim , Weon-Chan Ko , Hyun-Ho Kim , Eun-Seong Lim , In-Wook Jeon , Yeong-Sik Kim , Byong-Hoo Cheong
CPC classification number: B60T13/745 , B60T7/042 , B60T8/4081 , B60T13/146 , B60T13/662 , B60T13/686 , B60T2270/82
Abstract: An electric brake system is disclosed. The electric brake system includes a hydraulic pressure supply device configured to generate hydraulic pressure using a piston which is operated by means of an electrical signal and including a first and a second pressure chamber, a first hydraulic flow path, a second hydraulic flow path, a third hydraulic flow path, a sixth hydraulic flow path, a seventh hydraulic flow path, a first control valve provided at the first hydraulic flow path, a second control valve provided at the second hydraulic flow path, a third control valve provided at the third hydraulic flow path, a seventh control valve provided at the sixth hydraulic flow path, an eighth control valve provided at the seventh hydraulic flow path, a first hydraulic circuit including first and second branching flow paths, and first and second inlet valves, and a second hydraulic circuit including third and fourth branching flow paths which branch from the second hydraulic flow path and are connected to two wheel cylinders, respectively.
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公开(公告)号:US11072318B2
公开(公告)日:2021-07-27
申请号:US16565445
申请日:2019-09-09
Applicant: MANDO CORPORATION
Inventor: In-Wook Jeon
Abstract: A hydraulic unit of an electronic control brake system is disclosed. The hydraulic unit of the electronic control brake system includes a modulator block having a plurality of accommodating bores in which a plurality of valves and pressure sensors coupled to a master cylinder to control braking hydraulic pressure supplied towards vehicle wheels are installed. Passages connecting between the accommodating bores are formed in the modulator block, and the passages are formed to be divided into two layers.
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公开(公告)号:US10369978B2
公开(公告)日:2019-08-06
申请号:US15261797
申请日:2016-09-09
Applicant: MANDO CORPORATION
Inventor: In-Wook Jeon
Abstract: An electric brake system is disclosed. The electric brake system includes a hydraulic pressure supply device configured to generate hydraulic pressure using a piston that is activated by means of an electrical signal output corresponding to a displacement of a brake pedal, and including a first pressure chamber provided at one side of the piston, which is movably accommodated inside a cylinder block, and connected to one or more wheel cylinders, and a second pressure chamber provided at the other side of the piston and connected to one or more wheel cylinders, a first hydraulic circuit including a first hydraulic flow path communicating with the first pressure chamber, and first and second branching flow paths that branch from the first hydraulic flow path to be connected to two wheel cylinders, respectively, a second hydraulic circuit including a second hydraulic flow path communicating with the second pressure chamber, and third and fourth branching flow paths that branch from the second hydraulic flow path to be connected to two wheel cylinders, respectively, and first to fourth inlet valves configured to control an opening and closing of the first to fourth branching flow paths, respectively.
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公开(公告)号:US10286885B2
公开(公告)日:2019-05-14
申请号:US15368500
申请日:2016-12-02
Applicant: MANDO CORPORATION
Inventor: Seong-Ho Choi , In-Wook Jeon
Abstract: An electric brake system comprising: a master cylinder configured to a reservoir storing oil therein and configured to generate hydraulic pressure according to a pedal effort of a brake pedal; a cut valve installed at a backup flow path connecting the master cylinder to a wheel cylinder; a simulation device including a simulation chamber connected to the master cylinder at a front end of the cut valve to provide a reaction force according to the pedal effort of the brake pedal, a simulation valve provided at a flow path connecting the master cylinder to the simulation chamber; a hydraulic pressure supply device configured to operate in response to an electrical signal of a pedal displacement sensor sensing a displacement of the brake pedal, and a damping member provided at a flow path connecting the hydraulic pressure chamber to the front end of the cut valve, wherein the damping member delivers a pressure pulsation generated in the hydraulic pressure chamber to the brake pedal in an anti-lock brake system (ABS) mode.
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公开(公告)号:US09555789B2
公开(公告)日:2017-01-31
申请号:US14981911
申请日:2015-12-29
Applicant: MANDO CORPORATION
Inventor: In-Wook Jeon , Seong-Ho Choi
CPC classification number: B60T13/686 , B60T7/042 , B60T8/4081 , B60T13/147 , B60T13/20 , B60T13/662 , B60T13/745
Abstract: An electronic brake system may be capable of performing braking operation according to a pedal effort of a driver even when the brake system operates abnormally as well as simplifying a configuration thereof by minimizing the number of valves for controlling a flow of oil pressure and precisely controlling pressure therein.
Abstract translation: 电子制动系统能够根据驾驶员的踏板力进行制动操作,即使当制动系统异常操作以及通过最小化用于控制油压流量的阀的数量和精确控制压力来简化其配置 其中。
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公开(公告)号:US10479337B2
公开(公告)日:2019-11-19
申请号:US15896064
申请日:2018-02-14
Applicant: MANDO CORPORATION
Inventor: In-Wook Jeon
Abstract: Disclosed is a solenoid valve for a brake system. The solenoid valve includes a valve housing installed in a bore of a modulator block and configured to include an internal flow path, a valve sheet provided at the internal flow path of the valve housing and configured to include an orifice, an armature configured to be slidably moved up and down by a magnet core and to include an opening or closing sphere configured to selectively open or close the orifice, a sleeve configured to accommodate the armature therein and to have one end coupled to the valve housing and the other end at which the magnet core is provided, and a damper guide provided at the internal flow path of the valve housing to come into contact with and surround the armature.
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