The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Mar. 21, 2017
Filed:
Dec. 20, 2012
Volvo Construction Equipment Ab, Eskilstuna, SE;
Volvo Construction Equipment AB, Eskilstuna, SE;
Abstract
A continuously variable transmission includes a variator unit having a variator input shaft and a variator output shaft; a first planetary gear set having a first, a second and a third planetary member, the first planetary member being one of a ring wheel and a planet carrier, the second planetary member being the other one of the ring wheel and the planet carrier, and the third planetary member being a sun wheel, wherein the first planetary member of the first planetary gear set is operatively connected to a transmission input shaft; and a second planetary gear set having a sun wheel, a ring wheel and a planet carrier, the planet carrier being operatively connected to a transmission output shaft; wherein the variator input shaft is operatively connected to the second planetary member of the first planetary gear set; the variator output shaft is operatively connected to the sun wheel of the first planetary gear set, the sun wheel of the first planetary gear set being further operatively connected to the sun wheel of the second planetary gear set while having a variable gear ratio between the transmission input shaft and the transmission output shaft; and the ring wheel of the second planetary gear set being selectively connectable to the second planetary member of the first planetary gear set and to a gearbox housing of the continuously variable transmission.