Title:
MAGNETIC ACTUATOR FOR SWITCHING ROLLER FINGER FOLLOWERS
Document Type and Number:
WIPO Patent Application WO/2018/217536
Kind Code:
A3
Abstract:
A valvetrain suitable for an internal combustion engine that includes a combustion chamber, a moveable valve having a seat formed within the combustion chamber, and a camshaft includes a latch assembly and a rocker arm assembly. The rocker arm assembly include a rocker arm and a cam follower configured to engage a cam on the camshaft as the camshaft rotates. The latch assembly includes a latch pin mounted on the rocker arm and an actuator mounted on a component distinct from the rocker arm. The actuator includes one or more permanent magnets. The actuator is operable to move the one or more permanent magnets to induce the latch pin to translate from a first position to a second position through magnetic forces provided by the one or more permanent magnets.
Inventors:
STRETCH DALE ARDEN (US)
Application Number:
PCT/US2018/033177
Publication Date:
January 03, 2019
Filing Date:
May 17, 2018
Export Citation:
Assignee:
EATON INTELLIGENT POWER LTD (US)
International Classes:
F01L9/04; F01L1/18
Foreign References:
| US6318318B1 | 2001-11-20 | |||
| US6499451B1 | 2002-12-31 | |||
| KR20130133545A | 2013-12-09 | |||
| US6752107B2 | 2004-06-22 | |||
| US20140083380A1 | 2014-03-27 |
Attorney, Agent or Firm:
KELLER, Paul (US)
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