Noise dampening motor drive system for retractable covering for architectural openings
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
E06B-009/72
E06B-009/322
E06B-009/50
E06B-009/40
E06B-009/264
H02K-005/24
출원번호
US-0231163
(2016-08-08)
등록번호
US-9926741
(2018-03-27)
발명자
/ 주소
Faller, Kenneth M.
Holt, Ronald
Wisecup, Stephen T.
출원인 / 주소
HUNTER DOUGLAS INC.
대리인 / 주소
Hanley, Flight & Zimmerman, LLC
인용정보
피인용 횟수 :
0인용 특허 :
65
초록▼
A motor-drive system for retractable covering having a headrail with a horizontally disposed roller supporting a top edge of a flexible fabric material includes an electric motor mounted within a housing and interconnected to the roller to selectively rotate the roller in opposite directions while m
A motor-drive system for retractable covering having a headrail with a horizontally disposed roller supporting a top edge of a flexible fabric material includes an electric motor mounted within a housing and interconnected to the roller to selectively rotate the roller in opposite directions while minimizing noise created from vibrations within the system. This system includes motor mounts within the housing which separate and absorb vibrations of the motor within the housing and a drive disk of a moderately soft material, which is firm enough to transfer torque from the motor to the roller while being soft enough to absorb vibrations which would otherwise be transmitted from the motor to the roller. An interconnect mounting the drive disk to the drive shaft of the motor is also made of a third relatively soft material, which is harder than the drive disk to more ably transmit torque but soft enough so as not to unduly transmit noise.
대표청구항▼
1. A motor-drive unit for an architectural covering, comprising: a housing;a motor disposed in said housing, said motor including a drive shaft and an axial extension, said drive shaft associated with a first axial end of said motor and projecting from a first end of said housing, said axial extensi
1. A motor-drive unit for an architectural covering, comprising: a housing;a motor disposed in said housing, said motor including a drive shaft and an axial extension, said drive shaft associated with a first axial end of said motor and projecting from a first end of said housing, said axial extension extending from a second axial end of said motor opposite said first axial end of said motor; anda motor mount disposed in said housing, said motor mount including a rigid component and a resilient component, said rigid component mounted on said axial extension, said resilient component mounted on said rigid component and engaged with an axially-extending wall of said housing in a radial direction to absorb vibration during operation of said motor, an outer dimension of said resilient component being greater than an outer dimension of said motor, said motor mount to prevent relative rotation between said motor and said housing. 2. The motor-drive unit of claim 1, wherein: said housing defines one or more inwardly-directed lugs; andsaid resilient component defines one or more grooves that receive said one or more inwardly-directed lugs to inhibit relative rotation between said resilient component and said housing. 3. The motor-drive unit of claim 2, wherein: said resilient component includes one or more inwardly-directed ribs; andsaid rigid component defines one or more seats that receive said one or more inwardly-directed ribs to key said rigid component to said resilient component. 4. The motor-drive unit of claim 3, wherein said one or more inwardly-directed lugs are rotationally aligned with said one or more seats. 5. The motor-drive unit of claim 3, wherein said rigid component further includes a plate located at an end of each seat of said one or more seats to positively position said rigid component relative to and within said resilient component. 6. The motor-drive unit of claim 1, wherein: said housing includes a first housing component and a second housing component that, when assembled together, define an internal cavity for receiving said motor;said first housing component includes a first inwardly-directed lug;said second housing component includes a second inwardly-directed lug; andsaid resilient component defines a first groove that receives said first inwardly-directed lug and a second groove that receives said second inwardly-directed lug to inhibit relative rotation between said resilient component and said first and second housing components. 7. The motor-drive unit of claim 6, wherein: said first inwardly-directed lug is formed on an inner surface of said first housing component along a longitudinal top center of said first housing component; andsaid second inwardly-directed lug is formed on an inner surface of said second housing component along a longitudinal bottom center of said second housing component. 8. The motor-drive unit of claim 1, wherein said resilient component includes an outer wall having a front segment and a rear segment of different outer diameters to assist in mounting said motor mount within said housing. 9. The motor-drive unit of claim 1, wherein said rigid component is abutted against said second axial end of said motor. 10. The motor-drive unit of claim 1, wherein said motor is spaced from said housing by said motor mount to form an annular space between said motor and said housing. 11. The motor-drive unit of claim 10, wherein said motor is spaced from said housing by said resilient component of said motor mount. 12. The motor-drive unit of claim 1, wherein said motor mount is a first motor mount, further including a second motor mount disposed in said housing between said first axial end of said motor and said first end of said housing. 13. The motor-drive unit of claim 12, wherein: said resilient component of said first motor mount includes a durometer rating in the range of 30 A to 50 A; andsaid second motor mount includes a durometer rating in the range of 50 A to 70 A. 14. The motor-drive unit of claim 1, wherein: said rigid component is non-rotatably mounted on said axial extension; andsaid resilient component is non-rotatably mounted on said rigid component. 15. The motor-drive unit of claim 1, wherein said resilient component is keyed to said rigid component such that said resilient component is non-rotatable relative to said rigid component. 16. The motor-drive unit of claim 1, further including a motor-rotated timing pin extending from said second axial end of said motor, said timing pin passing through and rotatable relative to said axial extension and said first motor mount. 17. A motor-drive unit for an architectural covering, comprising: a housing;a motor disposed in said housing, said motor including a drive shaft and an axial extension, said drive shaft associated with a first axial end of said motor and projecting from a first end of said housing, said axial extension extending from a second axial end of said motor opposite said first axial end of said motor; anda motor mount disposed in said housing, said motor mount including a rigid component and a resilient component, said rigid component mounted on said axial extension, said resilient component mounted on said rigid component and engaged with an axially-extending wall of said housing in a radial direction to absorb vibration during operation of said motor; anda control module operably associated with said motor to control rotation of said drive shaft, said control module electrically coupled to said motor via an electrical mounting plate, said electrical mounting plate positioned within said housing between said motor mount and a second end of said housing. 18. The motor-drive unit of claim 17, further including a sensor disposed on said electrical mounting plate to count rotations of a timing pin extending from said second axial end of said motor. 19. A motor-drive unit for an architectural covering, comprising: a housing defining one or more inwardly-directed lugs;a motor disposed in said housing; anda motor mount disposed in said housing, said motor mount including a rigid component coupled to said motor and a resilient component mounted on said rigid component to support said motor within said housing, said resilient component defining one or more grooves that receive said one or more inwardly-directed lugs to inhibit relative rotation between said resilient component and said housing, an outer dimension of said resilient component being greater than an outer dimension of said motor. 20. The motor-drive unit of claim 19, wherein: said resilient component includes one or more inwardly-directed ribs; andsaid rigid component defines one or more seats that receive said one or more inwardly-directed ribs to key said rigid component to said resilient component. 21. The motor-drive unit of claim 20, wherein said one or more inwardly-directed lugs are rotationally aligned with said one or more seats. 22. The motor-drive unit of claim 20, wherein said rigid component further includes a plate located at an end of said one or more seats to positively position said rigid component relative to and within said resilient component. 23. The motor-drive unit of claim 19, wherein: said housing includes a first housing component and a second housing component that, when assembled together, define an internal cavity for receiving said motor;said first housing component includes a first inwardly-directed lug;said second housing component includes a second inwardly-directed lug; andsaid resilient component defines a first groove that receives said first inwardly-directed lug and a second groove that receives said second inwardly-directed lug to inhibit relative rotation between said resilient component and said first and second housing components. 24. The motor-drive unit of claim 23, wherein: said first inwardly-directed lug is formed on an inner surface of said first housing component along a longitudinal top center of said first housing component; andsaid second inwardly-directed lug is formed on an inner surface of said second housing component along a longitudinal bottom center of said second housing component. 25. A motor-drive unit for an architectural covering, comprising: a housing;a motor received within said housing, said motor including a maximum outer diameter; anda support received within said housing, said support positioned adjacent to and extending axially away from an axial end of said motor, said support including an inner, rigid component and an outer, resilient component, said resilient component defined at least partially by an outer diameter, said rigid component being keyed to said resilient component such that said rigid component is not rotatable relative to said resilient component;wherein said outer diameter of said resilient component is greater than said maximum outer diameter of said motor to maintain an annular space between said motor and said housing. 26. The motor-drive unit of claim 25, wherein: said rigid component is non-rotatably mounted on an axial extension of said motor and abuts said axial end of said motor; andsaid resilient component is non-rotatably mounted on said rigid member and engages an axially-extending wall of said housing in a radial direction. 27. The motor-drive unit of claim 26, further comprising a motor-rotated timing pin extending from said axial end of said motor and passing through and rotatable relative to said axial extension and said support.
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