IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0891287
(2010-09-27)
|
등록번호 |
US-8390276
(2013-03-05)
|
발명자
/ 주소 |
- McDonald, Kenneth
- Thomas, James
- Laycock, Kevin
|
출원인 / 주소 |
|
인용정보 |
피인용 횟수 :
7 인용 특허 :
38 |
초록
▼
A target magnet assembly configured to be secured to a rotating shaft of a steering gear assembly. The target magnet assembly includes an index hub with a mount and a magnet secured by the mount. The mount includes a tab with a protrusion extending from the tab, a finger, and a stop. The magnet incl
A target magnet assembly configured to be secured to a rotating shaft of a steering gear assembly. The target magnet assembly includes an index hub with a mount and a magnet secured by the mount. The mount includes a tab with a protrusion extending from the tab, a finger, and a stop. The magnet includes an axial retention groove receiving the finger, a top surface abutting the stop, and a radial retention groove receiving the protrusion.
대표청구항
▼
1. A target magnet assembly configured to be secured to a rotating shaft of a steering gear assembly, the target magnet assembly comprising: an index hub with a mount, the mount comprising; a tab with a protrusion extending from the tab,a finger, anda stop; anda magnet secured by the mount, the magn
1. A target magnet assembly configured to be secured to a rotating shaft of a steering gear assembly, the target magnet assembly comprising: an index hub with a mount, the mount comprising; a tab with a protrusion extending from the tab,a finger, anda stop; anda magnet secured by the mount, the magnet comprising an axial retention groove receiving the finger, a top surface abutting the stop, and a radial retention groove receiving the protrusion. 2. The target magnet assembly of claim 1, wherein the mount further comprises a second finger and the magnet further comprises a second axial alignment groove for receiving the second finger. 3. The target magnet assembly of claim 1, wherein the radial retention groove engages the protrusion in a snap-fit relationship. 4. The target magnet assembly of claim 2, wherein the radial retention groove engages the protrusion in a snap-fit relationship. 5. The target magnet assembly of claim 1, further comprising a position sensor positioned adjacent to the magnet when the magnet is in a home position. 6. The target magnet assembly of claim 2, further comprising a position sensor positioned adjacent to the magnet when the magnet is in a home position. 7. The target magnet assembly of claim 3, further comprising a position sensor positioned adjacent to the magnet when the magnet is in a home position. 8. The target magnet assembly of claim 4, further comprising a position sensor positioned adjacent to the magnet when the magnet is in a home position. 9. A stator assembly configured to be used as a component of a torque sensor for a steering gear assembly, the stator assembly comprising: a stator subassembly; anda target magnet assembly secured to the stator subassembly, the target magnet assembly comprising; an index hub with a mount, the mount comprising, a tab with a protrusion extending from the tab,a finger, anda stop, anda magnet secured by the mount, the magnet comprising an axial retention groove receiving the finger, a top surface abutting the stop, and a radial retention groove receiving the protrusion. 10. The stator assembly of claim 9, wherein the mount further comprises a second finger and the magnet further comprises a second axial alignment groove for receiving the second finger. 11. The stator assembly of claim 9, wherein the radial retention groove engages the protrusion in a snap-fit relationship. 12. The stator assembly of claim 10, wherein the radial retention groove engages the protrusion in a snap-fit relationship. 13. The stator assembly of claim 9, further comprising a position sensor positioned adjacent to the magnet when the magnet is in a home position. 14. The stator assembly of claim 10, further comprising a position sensor positioned adjacent to the magnet when the magnet is in a home position. 15. The stator assembly of claim 11, further comprising a position sensor positioned adjacent to the magnet when the magnet is in a home position. 16. The stator assembly of claim 12, further comprising a position sensor positioned adjacent to the magnet when the magnet is in a home position. 17. The stator assembly of claim 9, wherein the index hub further comprises a plurality of cutouts extending from a front surface of the index hub into the index hub; and wherein the stator subassembly comprises a plurality of alignment tabs sized and shaped to engage the cutouts. 18. The stator assembly of claim 17, wherein the stator subassembly further comprises a plurality of stops that abut the front surface of the index hub. 19. The stator assembly of claim 9, wherein the index hub further comprises a plurality of retention tabs that displace a portion of the stator subassembly to secure the index hub to the stator subassembly. 20. A method for securing a target magnet to a hub, the method comprising: providing a hub with a mount, the mount comprising; a tab with a protrusion extending from the tab,a finger, anda stop;providing a target magnet, the magnet comprising; an axial retention groove for receiving the finger, a top surface for abutting the stop, and a radial retention groove for receiving the protrusion; andinserting the target magnet into the mount, thereby causing the axial retention groove to receive the finger, the top surface to abut the stop, and the radial retention groove to receive the protrusion.
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