US 11,905,859 B2
Castellation assembly, lash capsule, and rocker arm
Andrei D. Radulescu, Marshall, MI (US); Ramy Rezkalla, Kalamazoo, MI (US); Daniel Nelson, Kalamazoo, MI (US); James Sheren, Grand Ledge, MI (US); Michele Angelo Cecchi, Turin (IT); Marco Ravoni, Rome (IT); and Maria Letizia Ciardullo, Cosenza (IT)
Assigned to Eaton Intelligent Power Limited, Dublin (IE)
Appl. No. 17/800,072
Filed by Eaton Intelligent Power Limited, Dublin (IE)
PCT Filed Feb. 19, 2021, PCT No. PCT/EP2021/025069
§ 371(c)(1), (2) Date Aug. 16, 2022,
PCT Pub. No. WO2021/164948, PCT Pub. Date Aug. 26, 2021.
Claims priority of provisional application 63/014,903, filed on Apr. 24, 2020.
Claims priority of provisional application 62/978,815, filed on Feb. 19, 2020.
Prior Publication US 2023/0102765 A1, Mar. 30, 2023
Int. Cl. F01L 1/18 (2006.01); F01L 1/20 (2006.01); F01L 13/06 (2006.01); F01L 1/46 (2006.01); F01L 13/00 (2006.01)
CPC F01L 1/181 (2013.01) [F01L 1/20 (2013.01); F01L 13/065 (2013.01); F01L 2001/467 (2013.01); F01L 2013/001 (2013.01); F01L 2013/105 (2013.01); F01L 2305/00 (2020.05)] 14 Claims
OG exemplary drawing
 
1. A castellation assembly, comprising:
a lost motion spring assembly, comprising:
a spring hat, comprising a crown, a pin hole through the crown, and a brim; and
a lost motion spring seated against the spring hat;
an upper castellation piece comprising a tubular body, an upper inner rim adjoining the brim, and upper castellation teeth, the tubular body comprising a lower inner rim configured to guide the lost motion spring; and
a lower castellation piece, comprising:
a spring post extending up from a castellation body, the spring post passing through the lost motion spring, and through the pin hole; and
lower castellation teeth extending from the castellation body,
wherein the lost motion spring is biased against the castellation body to lift the upper inner rim by the brim.