IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0907195
(2007-10-10)
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등록번호 |
US-7491137
(2009-02-17)
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발명자
/ 주소 |
- Bissonnette,Laurent C.
- Dalton,Jeffrey L.
- Aoyama,Steven
|
출원인 / 주소 |
|
대리인 / 주소 |
|
인용정보 |
피인용 횟수 :
35 인용 특허 :
51 |
초록
▼
A golf ball with aerodynamic coefficient magnitude and aerodynamic force angle, resulting in improved flight performance, such as increased carry and flight consistency regardless of ball orientation. In particular, the present invention is directed to a golf ball having increased flight distance as
A golf ball with aerodynamic coefficient magnitude and aerodynamic force angle, resulting in improved flight performance, such as increased carry and flight consistency regardless of ball orientation. In particular, the present invention is directed to a golf ball having increased flight distance as defined by a set of aerodynamic requirements at certain spin ratios and Reynolds Numbers, and more particularly the golf ball has a low lift coefficient at a high Reynolds Number.
대표청구항
▼
What is claimed is: 1. A golf ball with a plurality of dimples having an aerodynamic coefficient magnitude defined by Cmag=√(CL2+CD2) and a percent deviation Cmag=|(Cmag1-Cmag2)|/((Cmag1+Cmag2 )/2)*100, wherein CL is a lift coefficient and CD is a drag coefficient, wherein Cmag1=Cmag for a fi
What is claimed is: 1. A golf ball with a plurality of dimples having an aerodynamic coefficient magnitude defined by Cmag=√(CL2+CD2) and a percent deviation Cmag=|(Cmag1-Cmag2)|/((Cmag1+Cmag2 )/2)*100, wherein CL is a lift coefficient and CD is a drag coefficient, wherein Cmag1=Cmag for a first orientation and Cmag2=Cmag for a second orientation, and wherein percent deviation Cmag is about 3 percent or less over a Reynolds Number range of about 69000 to about 230000. 2. The golf ball of claim 1, wherein the first orientation is a pole over pole orientation. 3. The golf ball of claim 2, wherein the second orientation is a poles horizontal orientation. 4. The golf ball of claim 1, wherein the range of spin ratio is about 0.85 to about 0284. 5. The golf ball of claim 1, wherein the golf ball has an aerodynamic force angle defined by Angle=tan-1(CL/CD), and wherein first aerodynamic force angle of about 31 degrees to about 35 degrees at a Reynolds number of about 230000 and a spin ratio of about 0.085. 6. The golf ball of claim 5, wherein the golf ball has a second aerodynamic force angle of about 40 degrees to about 44 degrees at a Reynolds number of about 69000 and a spin ratio of about 0.284. 7. A golf ball with a plurality of dimples having an aerodynamic coefficient magnitude defined by Cmag=√(CL2+CD2), an aerodynamic force angle defined by Angle=tan-1(CL/CD), and a percent deviation Cmag=|(Cmag1-Cmag2)|/((Cmag1+Cmag2 )/2)*100, wherein CL is a lift coefficient and CD is a drag coefficient, wherein Cmag1=Cmag for a first orientation and Cmag2=Cmag for a second orientation, wherein percent deviation Cmag is about 6 percent or less at a Reynolds Number of about 69000 and a spin ratio of about 0.284. 8. The golf ball of claim 7, wherein the first orientation is a pole over pole orientation and the second orientation is a poles horizontal orientation. 9. The golf ball of claim 7, further comprising a first aerodynamic force angle of about 40 degrees to about 44 degrees at a Reynolds number of about 69000 and a spin ratio of about 0.284. 10. The golf ball of claim 9, further comprising a second aerodynamic force angle of about 41 degrees to about 45 degrees at a Reynolds number of about 92000 and a spin ratio of about 0.213. 11. The golf ball of claim 7, wherein percent deviation Cmag is about 3 percent or less at a Reynolds Number of about 69000 and a spin ratio of about 0.284. 12. The golf ball of claim 11, wherein percent deviation Cmag is about 3 percent or less over a Reynolds Number range of about 69000 to about 230000 and a spin ratio range of about 0.284 to 0.085. 13. A golf ball with a plurality of dimples having an aerodynamic coefficient magnitude defined by Cmag=√(CL2+CD2) and a percent deviation Cmag=|(Cmag1-Cmag2)|/((Cmag1+Cmag2 )/2)*100, wherein CL is a lift coefficient and CD is a drag coefficient, wherein Cmag1=Cmag for a first orientation and Cmag2=Cmag for second orientation, and wherein percent deviation Cmag is about 3 percent or less at a Reynolds Number of about 230000 and a spin ratio of about 0.085. 14. The golf ball of claim 13, wherein the first orientation is a pole over pole orientation. 15. The golf ball of claim 14, wherein the second orientation is a poles horizontal orientation. 16. The golf ball of claim 13, wherein the golf ball has an aerodynamic force angle defined by Angle=tan-1(CL/CD), and wherein a first aerodynamic force angle is from about 31 to about 35 at a Reynolds Number of about 230000 and a spin ratio of about 0.085. 17. The golf ball of claim 16, wherein percent deviation Cmag is about 3 percent or less at a Reynolds Number of about 207000 and a spin ratio of about 0.095. 18. The golf ball of claim 17, wherein a second aerodynamic force angle is from about 34 to about 38 at a Reynolds Number of about 207000 and a spin ratio of about 0.095. 19. The golf ball of claim 18, wherein percent deviation Cmag is about 3 percent or less at a Reynolds Number of about 184000 and a spin ratio of about 0.106. 20. The golf ball of claim 19, wherein a third aerodynamic force angle is from about 35 to about 39 at a Reynolds Number of about 184000 and a spin ratio of about 0.106.
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