Mounting apparatus and method for cylinder position sensor
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
G01N-019/00
출원번호
US-0742566
(2003-12-19)
발명자
/ 주소
Krone, John J.
Mikrut, Daniel L.
출원인 / 주소
Caterpillar Inc.
인용정보
피인용 횟수 :
6인용 특허 :
13
초록▼
A method and apparatus for detecting the position of a rod member of a cylinder assembly are provided. The cylinder assembly may have a cylinder body with a cylinder chamber therein, a gland member disposed within the cylinder chamber, and a rod member movably arranged within the cylinder chamber an
A method and apparatus for detecting the position of a rod member of a cylinder assembly are provided. The cylinder assembly may have a cylinder body with a cylinder chamber therein, a gland member disposed within the cylinder chamber, and a rod member movably arranged within the cylinder chamber and a rod opening of the gland member. The method may include moving the gland member within the cylinder chamber to substantially align a gland aperture of the gland member with a cylinder aperture of the cylinder body; substantially fixing the gland member relative the cylinder body; positioning a position sensor within at least one of the cylinder aperture and the gland aperture; moving the rod member within the rod opening of the gland member and the cylinder chamber of the cylinder body; and operating the position sensor to detect the position of the rod member.
대표청구항▼
1. A cylinder assembly comprising:a cylinder body having a longitudinally arranged cylinder chamber therein, and having a cylinder aperture in the cylinder body, the cylinder aperture intersecting the cylinder chamber; anda gland member having a rod opening therein, the gland member being disposed w
1. A cylinder assembly comprising:a cylinder body having a longitudinally arranged cylinder chamber therein, and having a cylinder aperture in the cylinder body, the cylinder aperture intersecting the cylinder chamber; anda gland member having a rod opening therein, the gland member being disposed within the cylinder chamber of the cylinder body, the gland member having a gland aperture therein, the gland aperture intersecting the rod opening, and the gland aperture being arranged in substantial alignment with the cylinder aperture;a rod member movably arranged within the cylinder chamber and the rod opening; anda position sensor disposed within at least one of the cylinder aperture and the gland aperture.2. The cylinder assembly of claim 1, wherein the position sensor is arranged in substantial alignment with the cylinder aperture and the gland aperture.3. The cylinder assembly of claim 2, wherein the position sensor extends within both the cylinder aperture and the gland aperture.4. The cylinder assembly of claim 3, wherein the cylinder aperture and the gland aperture are arranged in a generally radial direction relative the cylinder chamber.5. The cylinder assembly of claim 1, wherein the gland member is substantially rotationally and longitudinally fixed relative the cylinder body.6. The cylinder assembly of claim 5, including a stake member extending within both the cylinder aperture and the gland aperture and operable to substantially rotationally fix the gland member relative the cylinder body.7. The cylinder assembly of claim 6, wherein the gland member is threadedly engaged with the cylinder body.8. The cylinder assembly of claim 6, wherein the stake member is at least one of the sensor and a sensor housing.9. The cylinder assembly of claim 1, wherein the gland member is threadedly engaged with the cylinder body.10. The cylinder assembly of claim 1, wherein the gland aperture has a larger cross-sectional area than the cylinder aperture.11. The cylinder assembly of claim 1, wherein the gland aperture is arranged in substantial rotational alignment with the cylinder aperture.12. The cylinder assembly of claim 1, wherein the gland aperture is arranged in substantial rotational and longitudinal alignment with the cylinder aperture.13. A method for detecting the position of a rod member of a cylinder assembly having (i) a cylinder body with a longitudinally arranged cylinder chamber in the cylinder body and a cylinder aperture in the cylinder body, the cylinder aperture intersecting the cylinder chamber, (ii) a gland member disposed within the cylinder chamber and including a rod opening in the gland member and a gland aperture in the gland member, the gland aperture intersecting the rod opening, and (iii) a rod member movably arranged within the cylinder chamber of the cylinder body and the rod opening of the gland member, the method comprising:moving the gland member within the cylinder chamber of the cylinder body to substantially align the gland aperture of the gland member with the cylinder aperture of the cylinder body;substantially fixing the gland member relative the cylinder body;positioning a position sensor within at least one of the cylinder aperture and the gland aperture;moving the rod member within the rod opening of the gland member and the cylinder chamber of the cylinder body; andoperating the position sensor to detect the position of the rod member.14. The method of claim 13, wherein the step of moving the gland member within the cylinder chamber of the cylinder body includes rotating the gland member relative the cylinder body.15. The method of claim 14, wherein the step of moving the gland member within the cylinder chamber of the cylinder body further includes moving the gland member longitudinally with respect to the cylinder body via an engagement between threads on the gland member with threads on the cylinder body until the gland aperture of the gland member is substantially aligned with the cylinder aperture of the cylinder body.16. The method of claim 15, wherein the step of substantially fixing the gland member relative the cylinder body includes applying a stake member to the gland member and the cylinder body to prevent or inhibit movement of the gland member relative the cylinder body.17. The method of claim 16, wherein the step of applying a stake member includes inserting the stake member into the cylinder aperture.18. The method of claim 17, wherein the step of applying a stake member includes inserting the stake member into the gland aperture.19. The method of claim 13, wherein the step of moving the gland member within the cylinder chamber of the cylinder body to substantially align the gland aperture of the gland member with the cylinder aperture of the cylinder body includes moving the gland member within the cylinder chamber of the cylinder body to substantially rotationally align the gland aperture of the gland member with the cylinder aperture of the cylinder body.20. The method of claim 19, wherein the step of moving the gland member within the cylinder chamber of the cylinder body to substantially align the gland aperture of the gland member with the cylinder aperture of the cylinder body includes moving the gland member within the cylinder chamber of the cylinder body to substantially rotationally and longitudinally align the gland aperture of the gland member with the cylinder aperture of the cylinder body.
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이 특허에 인용된 특허 (13)
Yang Soon Yong,KRX ; Lee Man Hyung,KRX ; Lee Min Cheol,KRX, Absolute position detection method for stroke sensing cylinder.
Codina George (North Hollywood CA) Baker Thomas M. (Peoria IL) Creger Lisa A. (Metamora IL) Vachon J. Thomas (Peoria IL), Inductive sensing apparatus for a hydraulic cylinder.
Nomura Shinnya (Kani JPX) Toyoda Toshiro (Kani JPX) Ikenoya Kazuhisa (Hatano JPX), Magnetic stroke sensor for detecting the stroke of a fluid-power cylinder.
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