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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：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：US09488256B2
公开(公告)日：2016-11-08
申请号：US14186232
申请日：2014-02-21
Applicant: MANDO CORPORATION
Inventor： Young-Song Lee , I-Jin Yang , Seong-Ho Choi
CPC classification number: F16H25/2247 , F16H25/20 , F16H2025/228 , Y10T74/18576
Abstract: A nut screw conveying device includes a nut and a screw to convert rotational movement into translational movement. In the nut screw conveying device, a plurality of different threads is spirally formed on an inner circumferential surface of the nut, and the screw is provided with a plurality of rotating media to be respectively engaged with the different threads.
Abstract translation: 螺母输送装置包括螺母和螺丝，用于将旋转运动转换成平移运动。 在螺母输送装置中，多个不同的螺纹螺旋地形成在螺母的内周面上，并且螺钉设置有多个旋转介质，以分别与不同的螺纹接合。
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公开(公告)号：US10173659B2
公开(公告)日：2019-01-08
申请号：US15355065
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
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 that is output corresponding to displacement of a brake pedal, and including a first pressure chamber provided at one side of the piston 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 the one or more wheel cylinders, a first hydraulic flow path configured to communicate with the first pressure chamber, a second hydraulic flow path configured to branch from the first hydraulic flow path, a third hydraulic flow path configured to branch from the first hydraulic flow path, a fourth hydraulic flow path configured to communicate with the second pressure chamber and connected to the third hydraulic flow path, a fifth hydraulic flow path configured to communicate the second hydraulic flow path with the third hydraulic flow path, a first hydraulic circuit including first and second branching flow paths which branch from the second hydraulic flow path and are connected to two wheel cylinders, respectively, and a second hydraulic circuit including third and fourth branching flow paths which branch from the third hydraulic flow path and are connected to two wheel cylinders, respectively.
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Patent Agency Ranking
公开(公告)号：US10040438B2
公开(公告)日：2018-08-07
申请号：US15415789
申请日：2017-01-25
Applicant: MANDO CORPORATION
Inventor： Eun-Seong Lim , Hyun-Ho Kim , Yeong-Sik Kim , In-Wook Jeon , Yong-Kap Kim , Dong-Yo Ryu , Seong-Ho Choi , Gi-Yung Kim , Byeong-Hoo Cheong , Weon-Chan Ko
Abstract: An electric brake system includes a hydraulic pressure supply device configured to generate hydraulic pressure using a piston which is operated by an electrical signal that is output corresponding to a displacement of a brake pedal, and including a first pressure chamber and a second pressure chamber, a first hydraulic flow path configured to communicate with the first pressure chamber, a second hydraulic flow path configured to communicate with the first pressure chamber, a third hydraulic flow path configured to communicate with the second pressure chamber, a fourth hydraulic flow path branching from the third hydraulic flow path and connected to the first hydraulic flow path, a fifth hydraulic flow path branching from the third hydraulic flow path and connected to the second hydraulic flow path.
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公开(公告)号：US09827966B2
公开(公告)日：2017-11-28
申请号：US14981920
申请日：2015-12-29
Applicant: MANDO CORPORATION
Inventor： In-Wook Jeon , Seong-Ho Choi
IPC: B60T13/68 , B60T13/20 , B60T13/14 , B60T13/16 , B60T13/58 , B60T7/04 , B60T13/66 , B60T8/40 , B60T8/34
CPC classification number: B60T13/686 , B60T7/042 , B60T8/348 , B60T8/4081 , B60T13/147 , B60T13/20 , B60T13/662
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.
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公开(公告)号：US10821951B2
公开(公告)日：2020-11-03
申请号：US15936347
申请日：2018-03-26
Applicant: MANDO CORPORATION
Inventor： Hyun-Ho Kim , Seong-Ho Choi
IPC: B60T13/68 , B60T13/58 , B60T7/06 , B60T8/17 , B60T13/74 , B60T17/22 , B60T15/02 , B60T7/04 , B60T13/14 , B60T13/66
Abstract: An electronic brake system includes a master cylinder connected to a reservoir, the master cylinder including first and second master chambers and first and second pistons provided in the master chambers; a hydraulic pressure supply device activated by an electrical signal to generate a hydraulic pressure; a hydraulic pressure control unit configured to transfer, to a plurality of wheel cylinder provided in wheels, a hydraulic pressure discharged from the hydraulic pressure supply device; first and second backup flow paths configured to connect the first and second master chambers to the hydraulic pressure control unit; and first and second cut valves configured to selectively open and close the first and second backup flow paths, wherein one or both of the first backup flow path and the second backup flow path are connected to the first or second master chamber and any one of the plurality of wheel cylinders.
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公开(公告)号：US10315639B2
公开(公告)日：2019-06-11
申请号：US15368464
申请日：2016-12-02
Applicant: MANDO CORPORATION
Inventor： Seong-Ho Choi , In-Wook Jeon , Hyun-Ho Kim
Abstract: A leakage inspecting method of an electric brake system, which includes a master cylinder connected to a reservoir, a simulation device having one side connected to the master cylinder to provide a reaction force according to the pedal effort of the brake pedal, a simulation valve provided at a flow path connected to the master cylinder or a flow path connected to the reservoir, a hydraulic pressure supply device operated by an electrical signal of a pedal displacement sensor sensing a displacement of the brake pedal and configured to generate hydraulic pressure, and a hydraulic pressure control unit, comprising: executing an inspection mode for inspecting for a leak of the simulation valve and a sealing member provided inside a chamber of the master cylinder by providing an inspection valve at a flow path connecting the master cylinder to the reservoir, wherein the inspection mode includes: (a1) closing a cut valve provided at a flow path connecting the master cylinder to the hydraulic pressure control unit when the inspection valve is open; (b1) pressurizing a piston disposed inside the master cylinder according to the pedal effort of the brake pedal and detecting whether pressure is formed through a pressure sensor; and (c1) determining that a leak does not exist when pressure detected through the pressure sensor satisfies a preset criterion.
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公开(公告)号：US10144401B2
公开(公告)日：2018-12-04
申请号：US15600650
申请日：2017-05-19
Applicant: MANDO CORPORATION
Inventor： Seong-Ho Choi , In-Wook Jeon
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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