Invention Grant
- Patent Title: Dual lift rocker arm latch mechanism and actuation arrangement therefor
- Patent Title (中): 双升降摇臂锁闩机构及其驱动装置
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Application No.: US11771088Application Date: 2007-06-29
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Publication No.: US07798112B2Publication Date: 2010-09-21
- Inventor: Austin R. Zurface , Andrew P. Harman , Kynan L. Church
- Applicant: Austin R. Zurface , Andrew P. Harman , Kynan L. Church
- Applicant Address: US OH Cleveland
- Assignee: Eaton Corporation
- Current Assignee: Eaton Corporation
- Current Assignee Address: US OH Cleveland
- Agent Anna M. Shih
- Main IPC: F01L1/18
- IPC: F01L1/18

Abstract:
A rocker arm assembly includes first and second rocker arms defining a pivot location. The first rocker arm includes, toward a first axial end thereof adjacent the pivot location, a fulcrum surface and, toward a second axial end thereof, a latch assembly including a latch member moveable between latched and unlatched conditions relative to a latch surface defined by an adjacent portion of the second rocker arm. The latch assembly further including a spring biasing the latch member toward one of the latched and unlatched conditions, and a pressure chamber operable to bias the latch member toward the other of the latched and unlatched conditions. The first rocker arm further includes a fluid passage having a first end in open fluid communication with the fulcrum surface and a second end in open fluid communication with the pressure chamber of the latch assembly.
Public/Granted literature
- US20070283914A1 Dual Lift Rocker Arm Latch Mechanism And Actuation Arrangement Therefor Public/Granted day:2007-12-13
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