Patent · US Active

Switching roller finger follower with inner arm having asymmetric inner roller

US12247501B2 · kind B2 · utility

0Cited by

1References

17Claims

0Family size

Assignee

Eaton Intelligent Power Limited · IE

Inventors

Andrei Dan Radulescu · Marshall, US
Austin Robert Zurface · Dowling, US
Egidio Canzoniere · Matera, IT
Alessio Lorenzon · Chiattera, IT

Key dates

Filing date	Jun 30, 2022
Grant date	Mar 11, 2025
Priority date	—
Expiry date	Jun 30, 2042

Classification

Technology area (CPC F)Mechanical Engineering; Lighting; Heating
CPC primaryF01L2305/02
WIPO fieldEngines, pumps, turbines
WIPO sectorMechanical engineering

Abstract

A switching roller finger follower (SRFF) assembly for valve actuation comprises an outer arm, an inner arm, an inner roller, a bearing axle and a pair of outer rollers. The outer arm is pivotally coupled to a pivot axle. The inner arm is at least partially disposed within the outer arm and pivotally coupled to the pivot axle. The inner roller assembly comprise a bushing and an outer ring. The bushing defines a curved slot therein. The bushing is fixed to the inner arm. The outer ring is configured to rotate around the bushing. The bearing axle extends through the curved slot. The pair of outer rollers are disposed on each end of the bearing axle.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.