US 12,247,501 B2
Switching roller finger follower with inner arm having asymmetric inner roller
Andrei Radulescu, Marshall, MI (US); Austin Zurface, Dowling, MI (US); Egidio Canzoniere, Matera (IT); and Alessio Lorenzon, Avigliana (IT)
Assigned to Eaton Intelligent Power Limited, Dublin (IE)
Filed by Eaton Intelligent Power Limited, Dublin (IE)
Filed on Jun. 30, 2022, as Appl. No. 17/854,206.
Application 17/854,206 is a continuation of application No. PCT/EP2021/025021, filed on Jan. 20, 2021.
Claims priority of provisional application 62/963,236, filed on Jan. 20, 2020.
Prior Publication US 2022/0333508 A1, Oct. 20, 2022
Int. Cl. F01L 1/18 (2006.01); F01L 13/00 (2006.01)
CPC F01L 1/185 (2013.01) [F01L 13/0005 (2013.01); F01L 2001/186 (2013.01); F01L 2305/02 (2020.05)] 17 Claims
OG exemplary drawing
 
1. A switching roller finger follower (SRFF) assembly for valve actuation, the (SRFF) assembly comprising:
an outer arm pivotally coupled to a pivot axle;
an inner arm at least partially disposed within the outer arm and pivotally coupled to the pivot axle;
an inner roller assembly comprising:
a bushing having opposed walls configured to define a curved slot therein, wherein the opposed walls are curved inwardly toward each other, the bushing fixed to the inner arm; and
an outer ring configured to rotate around the bushing;
a bearing axle extending through the curved slot; and
a pair of outer rollers disposed on each end of the bearing axle.