[특허]Hand control brake valve

Bendix Commercial Vehicle Systems, LLC

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내보내기 페이스북 공유 트위터 공유 카카오톡 공유

Hand control brake valve

특허상세정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	B60T-015/04 F16K-001/00
미국특허분류(USC)	303/056; 303/118.1; 303/089
출원번호	US-0157565 (2011-06-10)
등록번호	US-8840197 (2014-09-23)
발명자 / 주소	Eberling, Charles E. Ho, Thanh
출원인 / 주소	Bendix Commercial Vehicle Systems, LLC
대리인 / 주소	Calfee, Halter & Griswold LLP
인용정보	피인용 횟수 : 2 인용 특허 : 6

초록
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A vehicle hand control brake valve includes a piston, positioned based on an engagement of a vehicle parking brake, a service brake actuation valve, and a control mechanism. The control mechanism mechanically interacts with the service brake actuation valve to set a position of the service brake actuation valve. A level of actuation of vehicle service brakes is set based on the position of the service brake actuation valve. The service brake actuation valve is set to a position to actuate the service brakes when the control mechanism is set to a latch po...

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1. A vehicle hand control brake valve, comprising: a piston positioned based on an engagement of a vehicle parking brake;a service brake actuation valve;a control mechanism mechanically interacting with the service brake actuation valve to set a position of the service brake actuation valve, a level of actuation of vehicle service brakes being set based on the position of the service brake actuation valve, the service brake actuation valve being set to a position to actuate the service brakes when the control mechanism is set to a latch position based on a position of the piston, and the control mechanism only being latched in the latch position when the vehicle parking brake is engaged; anda port receiving a fluid pressure signal based on the engagement of the vehicle parking brake, the fluid pressure signal positioning the piston relative to the control mechanism. 2. The vehicle hand control brake valve as set forth in claim 1, wherein: the control mechanism is latched in the latch position by matingly engaging the piston. 3. The vehicle hand control brake valve as set forth in claim 2, wherein: the control mechanism includes a notch sized for matingly engaging the piston to latch the control mechanism at a first rotational position. 4. The vehicle hand control brake valve as set forth, in claim 3, wherein the control mechanism includes a second notch sized for matingly engaging the piston to latch the control mechanism at a second rotational position. 5. The vehicle hand control brake valve as set forth in claim 2, wherein: when the vehicle parking brake is not engaged, the piston is disengaged from the control mechanism. 6. The vehicle hand control brake valve as set forth in claim 1, wherein: the control mechanism is releasably latched in the latch position. 7. The vehicle hand control brake valve as set forth in claim 1, wherein: the control mechanism matingly engages the service brake actuation valve when the control mechanism is latched. 8. The vehicle hand control brake valve as set: forth in claim 7, wherein: the control mechanism includes a detent; andthe service brake actuation valve includes a notch, the control mechanism detent matingly engaging the service brake actuation valve notch when the control mechanism is latched. 9. The vehicle hand control brake valve as set forth in claim 8, wherein: the mating engagement between the detent and the notch maintains the control mechanism releasably latched in the latch position. 10. The vehicle hand control brake valve as set forth in claim 1, wherein the control mechanism is rotatable; andwhen the vehicle parking brake is not engaged, the piston is positioned to prevent rotation of the control mechanism to the latch position. 11. The vehicle hand control brake valve as set forth in claim 10, wherein: the piston prevents rotation of the control mechanism to the latch position by engaging the control mechanism as the control mechanism is rotated toward the latch position and to a predetermined position. 12. A vehicle hand control brake valve, comprising: a service brake actuation valve, a level of actuation of vehicle service brakes being set based on a position of the service brake actuation valve;a control mechanism movable to different positions, the position of the service brake actuation valve being set based on the position of the control mechanism;a piston positioned relative to the control mechanism based on an engagement of a vehicle parking brake, the control mechanism capable of being latched in a latch position to set the service brake actuation valve to actuate the vehicle service brakes when the piston is positioned in a vehicle parking, brake engaged position; anda port receiving a fluid pressure signal based on the engagement of the vehicle parking brake, the fluid pressure signal positioning the piston relative to the control mechanism. 13. The vehicle hand control brake valve as set forth in claim 12, wherein: when the vehicle parking brake is engaged and when the control mechanism is in the latch position, the piston is in the vehicle parking brake engaged position and latchingly engages the control mechanism. 14. The vehicle hand control brake valve as set forth in claim 13, wherein: when the vehicle parking brake is disengaged, the piston is positioned in a vehicle parking brake disengaged position and is disengaged from the control mechanism to prevent the control mechanism from being latched in the latch position. 15. The vehicle hand control brake valve as set forth in claim 12, wherein: when the piston is in a vehicle parking brake disengaged position, the piston is disengaged from the control mechanism to prevent the control mechanism being, set to the latch position. 16. The vehicle hand control brake valve as set forth in claim 12, wherein: the control mechanism engagingly moves the service brake actuation valve to actuate the vehicle service brakes as the control mechanism is moved to the latch position. 17. A vehicle hand control brake valve, comprising: a service brake actuation valve, a level of actuation of vehicle service brakes being set based on a position of the service brake actuation valve;a control mechanism movable to different positions, the position of the service brake actuation valve being set based on the position of the control mechanism, the service brake actuation valve being set to an actuation position for actuating the vehicle service brakes when the control mechanism is in a latch position;means for preventing the control mechanism from latching in the latch position when a vehicle parking brake is not engaged; anda port receiving a fluid pressure signal based on the engagement of the vehicle parking brake, the fluid pressure signal positioning the means for preventing relative to the control mechanism. 18. The vehicle hand control brake valve as set forth in claim 17, wherein the means for preventing, includes: a piston positioned relative to the control mechanism based on the engagement of the vehicle parking brake. 19. The vehicle hand control brake valve as set forth in claim 18, wherein: when the vehicle parking brake is not engaged, the piston engages the control mechanism as the control mechanism is moved toward the latch position to prevent the control mechanism from reaching the latch position. 20. The vehicle hand control brake valve as set forth in claim 19, wherein: when the vehicle parking brake is engaged, the control mechanism matingly engages the service brake actuation valve to maintain the control mechanism in the latch position. 21. The vehicle hand control brake valve as set forth in claim 18, wherein: when the vehicle parking brake is engaged, the piston engages the control mechanism to maintain the control mechanism in the latch position.

이 특허에 인용된 특허 (6)

이 특허를 인용한 특허 (2)

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특허 상세정보

Hand control brake valve

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이 특허에 인용된 특허 (6)

이 특허를 인용한 특허 (2)

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특허 상세정보

Hand control brake valve

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이 특허에 인용된 특허 (6)

이 특허를 인용한 특허 (2)

IPC 상위 출원인

과제정보

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원문조회

IPC 상세정보(version : 201201)

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