IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0623324
(2003-07-18)
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발명자
/ 주소 |
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출원인 / 주소 |
- Honeywell International, Inc.
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대리인 / 주소 |
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인용정보 |
피인용 횟수 :
0 인용 특허 :
23 |
초록
▼
A thrust reverser system that includes a pass-through torque activated brake assembly that limits the torque applied in portions of the thrust reverser system drive train. The brake assembly includes two plates that are coupled together with a torsion spring. When a predetermined torque is applied t
A thrust reverser system that includes a pass-through torque activated brake assembly that limits the torque applied in portions of the thrust reverser system drive train. The brake assembly includes two plates that are coupled together with a torsion spring. When a predetermined torque is applied to the torsion spring, the torsion spring displaces the plates from one another. Balls that are positioned in cammed grooves in each of the plates causes the plates to translate away from one another and contact brake surfaces to thereby limit the torque in the drive train.
대표청구항
▼
1. A torque activated brake assembly, comprising:a first plate having an exterior side, an interior side, and an opening extending therebetween;at least two grooves formed in the first plate interior side, the grooves each having a cam surface located at a predetermined angle;a second plate having a
1. A torque activated brake assembly, comprising:a first plate having an exterior side, an interior side, and an opening extending therebetween;at least two grooves formed in the first plate interior side, the grooves each having a cam surface located at a predetermined angle;a second plate having an exterior side, an interior side, and an opening extending therebetween, the second plate interior side positioned opposed to the first plate interior side;at least two grooves formed in the second plate interior side and substantially aligned with at least two of the grooves in the first plate, the grooves in the second plate each having a cam surface located at a predetermined angle;at least two balls, each positioned in the aligned grooves; anda torsion spring having a first end coupled within the first plate opening and a second end coupled within the second plate opening. 2. The assembly of claim 1, wherein:the first plate has a wall extending from its exterior side, adjacent to the opening in the first plate;the second plate has a wall extending from its exterior side, adjacent to the opening in the second plate; andthe torsion spring first end fits within and is coupled to the wall of the first plate, and the torsion spring second end fits in and is coupled to the wall of the second plate. 3. The assembly of claim 1, further comprising:a first opening formed in the torsion spring first end; anda second opening formed in the torsion spring second end. 4. The assembly of claim 1, wherein the torsion spring is machined such that the first and second ends are rotationally displaced from one another upon application of a predetermined torque magnitude between the two ends. 5. The assembly of claim 1, further comprising:a housing surrounding at least a portion of the first and second plates;a first brake surface positioned a first predetermined distance from the first plate exterior side; anda second brake surface positioned the first predetermined distance from the second plate exterior side,wherein the first and second plate exterior sides contact the first and second brake surfaces, respectively, when the balls are positioned along the first and second cam side surfaces a second predetermined distance from the first and second plate interior sides. 6. A torque activated brake assembly, comprising:a first plate having an exterior side, an interior side, and an opening extending therebetween;at least two grooves formed in the first plate interior side, the grooves each having a cam surface located at a predetermined angle;a second plate having an exterior side, an interior side, and an opening extending therebetween, the second plate interior side positioned opposed to the first plate interior side;at least two grooves formed in the second plate interior side and substantially aligned with at least two of the grooves in the first plate, the grooves in the second plate each having a cam surface located at a predetermined angle;at least two balls, each positioned in the aligned grooves;a torsion spring having a first end coupled within the first plate opening and a second end coupled within the second plate opening;a housing surrounding at least a portion of the first and second plates;a first brake surface mounted in the housing and positioned a first predetermined distance from the first plate exterior side; anda second brake surface mounted in the housing and positioned the first predetermined distance from the second plate exterior side,wherein the first plate exterior side and the second plate exterior side contact the first brake surface and the second brake surface, respectively, when the balls are positioned along the groove cam surfaces a second predetermined distance from the first plate interior side and the second plate interior side. 7. The assembly of claim 6, wherein:the first plate has a wall extending from its exterior side, adjacent to the opening in the first plate;the second plate has a wall extending from its exterior side, adjacent to the opening in the second plate; andthe torsion spring first end fits within and is coupled to the wall of the first plate, and the torsion spring second end fits in and is coupled to the wall of the second plate. 8. The assembly of claim 6, further comprising:a first opening formed in the torsion spring first end; anda second opening formed in the torsion spring second end. 9. The assembly of claim 6, wherein the torsion spring is machined such that the first and second ends are rotationally displaced from one another upon application of a predetermined torque magnitude between the two ends. 10. The assembly of claim 6, further comprising:a first bearing assembly mounted within the housing to rotationally mount the first plate therein; anda second bearing assembly mounted within the housing to rotationally mount the second plate therein.
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