[특허]Solenoid valve for brake systems

[미국특허] Solenoid valve for brake systems 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	B60T-008/38 B60T-008/36
출원번호	US-0098034 (2002-03-15)
우선권정보	KR-0050305 (2001-08-21); KR-0076402 (2001-12-05)
발명자 / 주소	Cheong, Byeong-Hoo
출원인 / 주소	Mando Corporation
대리인 / 주소	Ladas & Parry
인용정보	피인용 횟수 : 12 인용 특허 : 12

초록 ▼

A solenoid valve for brake systems, including a spool movably set in a valve housing, provided along its central axis with the first orifice which has a predetermined diameter, and provided at a position around the plunger with a plunger guide having a predetermined depth for allowing the plunger to enter the spool, thus opening and closing the first orifice. A valve seat portion is formed on the inner surface of the bore of the valve housing by stepping the surface. This valve seat portion defines the second orifice therein, and comes into contact with or spaced from the end of the spool to selectively open the outlet, separately from the first orifice when the spool moves in either direction. The second orifice has an inner diameter larger than that of the first orifice. A spool restoring spring normally biases the spool toward the plunger.

대표청구항 ▼

1. A solenoid valve for brake systems having a hollow valve housing provided on an outer circumferential surface thereof with a fluid inlet and provided on one end of the valve housing with a fluid outlet, and an armature provided with a plunger extending into a bore of the valve housing in such a way as to selectively open a fluid passage from the inlet to the outlet while moving by electric power, said solenoid valve comprising: a spool movably set in said valve housing; a first orifice having a predetermined diameter provided along a central axis of the spool; a plunger guide inside the spool and provided at a position around the plunger, wherein the plunger guide has a predetermined depth for allowing the plunger to enter the spool and open or close the first orifice; a valve seat portion formed on an inner surface of the bore of the valve housing by stepping said surface, said valve seat portion defining a second orifice therein and coming into contact with or being spaced from an end of said spool to selectively close or open said outlet separately from the first orifice, said second orifice having an inner diameter larger than that of the first orifice; and a spool restoring spring biasing the spool toward the plunger. 2. The solenoid valve according to claim 1, wherein stopping means is provided on each of an inner surface of the plunger guide and an outer surface of the plunger, and allows the plunger to move relative to the spool within a predetermined range, the stopping means of the plunger guide being caught by the stopping means of the plunger to allow the spool to be pulled by the plunger when the plunger moves beyond said predetermined range. 3. The solenoid valve according to claim 2, wherein said stopping means comprises: a recess formed on the inner surface of the plunger guide, and having a predetermined width in an axial direction of the spool; and a locking projection protruding from the outer surface of the plunger so as to engage with said recess. 4. The solenoid valve according to claim 1, wherein a spring holding portion is formed on an outer surface of the spool at a position around the valve seat portion, said spring holding portion defining a space for seating the spool restoring spring, and having an outer diameter smaller than an inner diameter of the bore of said valve housing for allowing fluid to flow from the inlet to the outlet when the spool is spaced from the valve seat portion. 5. The solenoid valve according to claim 1, wherein at least one radial path is formed on the plunger guide of the spool such that the first orifice communicates with the inlet through the at least one radial path. 6. The solenoid valve according to claim 1, wherein a reinforcing member, made of a material having strength higher than that of the valve seat portion, is installed on said valve seat portion to prevent the valve seat portion from being deformed when the valve seat portion comes into contact with the spool.

이 특허에 인용된 특허 (12) 인용/피인용 타임라인 분석

Siegel Heinz,DEX, Electromagnetic valve with integrated non-return valve.
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Baker Scott J. (Mansfield OH) Garrison Richard E. (Bellville OH) Matson Eric L. (Lexington OH), Flow control solenoid means.
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Low Michael (Norcross GA), Flow valve arrangement for beverage dispenser.
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Kagan Aristide Jean Michel (14 BIS ; Avenue Pierre Curie 77330 Ozoir-la-Ferriere FR), Fluid-conveying pipe connector.
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Bareiss Alexander ; Krauter Michael, Magnetic control valve for a slip-controlled hydraulic brake system for motor vehicles.
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Hosoya Yukio,JPX ; Ishida Yoshihiro,JPX, Pressure control valve unit for hydraulic brake device.
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Nguyen Hung P. (Lockport NY), Solenoid valve.
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Park Kyung-Ill,KRX, Solenoid valve for anti-lock brake system.
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Zaviska Dalibor, Switchable orifice solenoid with plate valve for an anti-lock brake system.
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Hashida Koichi (Itami JPX), Three position solenoid controlled valve.
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Csaszar Gabor (McHenry IL) Kotowicz Kenneth M. (Addison IL), Universal check valve assembly.
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Hamilton James M. (Solana Beach CA) Woods Lonnie K. (Jacumba CA), Variable constant force hydraulic components and systems.
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이 특허를 인용한 특허 (12) 인용/피인용 타임라인 분석

Sullivan, Michael J.; Aoyama, Steven, High performance golf ball having a reduced-distance.
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Sullivan, Michael J.; Aoyama, Steven, High performance golf ball having a reduced-distance.
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Sullivan, Michael J.; Aoyama, Steven, High performance golf ball having a reduced-distance.
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Sullivan, Michael J.; Aoyama, Steven; Hebert, Edmund A.; Ladd, Derek A.; Morgan, William E.; Jordan, Michael D., High performance golf ball having a reduced-distance.
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Sullivan, Michael J.; Aoyama, Steven; Hebert, Edmund A.; Ladd, Derek A.; Morgan, William E.; Jordan, Michael D., High performance golf ball having a reduced-distance.
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Sullivan, Michael J.; Aoyama, Steven; Hebert, Edmund A.; Ladd, Derek A.; Morgan, William E.; Jordan, Michael D., High performance golf ball having a reduced-distance.
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Sullivan, Michael J.; Aoyama, Steven; Hebert, Edmund A.; Ladd, Derek A.; Morgan, William E.; Jordan, Michael D., High performance golf ball having a reduced-distance.
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Sullivan, Michael J.; Aoyama, Steven; Hebert, Edmund A.; Ladd, Derek A.; Morgan, William E.; Jordan, Michael D., High performance golf ball having a reduced-distance.
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Sullivan,Michael J.; Aoyama,Steven; Hebert,Edmund A.; Ladd,Derek A.; Morgan,William E.; Jordan,Michael D., High performance golf ball having a reduced-distance.
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Kim, Hyun Jun; Yang, I Jin; Kim, Yong Kap; Ryu, Dong Yo; Park, Jong Young, Solenoid valve for brake system.
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Lee, Chung Jae, Solenoid valve for brake system.
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Bittner, Joerg; Gerlich, Torsten; Daume, Volker; Hettinger, Stefan; Bickel, Klaus, Valve having a movable venturi nozzle.
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IPC	Description
A	생활필수품
A62	인명구조; 소방(사다리 E06C)
A62B	인명구조용의 기구, 장치 또는 방법(특히 의료용에 사용되는 밸브 A61M 39/00; 특히 물에서 쓰이는 인명구조 장치 또는 방법 B63C 9/00; 잠수장비 B63C 11/00; 특히 항공기에 쓰는 것, 예. 낙하산, 투출좌석 B64D; 특히 광산에서 쓰이는 구조장치 E21F 11/00)
A62B-1/08	.. 윈치 또는 풀리에 제동기구가 있는 것

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[미국특허] Solenoid valve for brake systems 원문보기