US 12,392,264 B2
Lifter assembly
Vardhan D. Patankar, Pune (IN); Tapan Ponkshe, Pune (IN); Sanjay Chopane, Pune (IN); Jiri Cecrle, Prague (CZ); and Nicola Andrisani, Turin (IT)
Assigned to Eaton Intelligent Power Limited, Dublin (IE)
Appl. No. 17/771,319
Filed by Eaton Intelligent Power Limited, Dublin (IE)
PCT Filed Oct. 22, 2020, PCT No. PCT/EP2020/025471
§ 371(c)(1), (2) Date Apr. 22, 2022,
PCT Pub. No. WO2021/078413, PCT Pub. Date Apr. 29, 2021.
Claims priority of application No. 201911042844 (IN), filed on Oct. 22, 2019.
Prior Publication US 2022/0349321 A1, Nov. 3, 2022
Int. Cl. F01L 1/14 (2006.01); F01L 13/00 (2006.01); F01L 1/46 (2006.01)
CPC F01L 1/14 (2013.01) [F01L 13/0036 (2013.01); F01L 2001/467 (2013.01); F01L 2305/00 (2020.05); F01L 2810/02 (2013.01)] 14 Claims
OG exemplary drawing
 
1. A lifter assembly, comprising:
an outer body comprising an oil port and latch ports;
an inner body comprising a roller assembly or tappet configured to lift and lower to follow a cam, the inner body further comprising an oil passage fluidly communicating with a pin passage comprising an inner diameter; and
a pin assembly mounted in the pin passage, the pin assembly comprising:
a bushing abutting the inner diameter, the bushing comprising a pin port having at least one flat portion; and
a pin comprising a rim and a narrow end, the narrow end configured for sliding in the pin port and having at least one corresponding flat portion;
wherein the pin port and the narrow end are keyed in an anti-rotation configuration via the at least one flat portion of the pin port and the at least one corresponding flat portion of the narrow end, and wherein the bushing and the pin passage are keyed in an anti-rotation configuration.