Invention Grant
- Patent Title: Variable valve actuation mechanism, an internal combustion engine, and a vehicle
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Application No.: US15750426Application Date: 2015-08-19
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Publication No.: US10648377B2Publication Date: 2020-05-12
- Inventor: Johan Karlsson , David Norén , Hans Bondeson
- Applicant: VOLVO TRUCK CORPORATION
- Applicant Address: SE Göteborg
- Assignee: VOLVO TRUCK CORPORATION
- Current Assignee: VOLVO TRUCK CORPORATION
- Current Assignee Address: SE Göteborg
- Agency: Venable LLP
- Agent Jeffri A. Kaminski
- International Application: PCT/EP2015/069063 WO 20150819
- International Announcement: WO2017/028918 WO 20170223
- Main IPC: F01L1/18
- IPC: F01L1/18 ; F01L13/00 ; F01L1/047 ; F01L1/20

Abstract:
A variable valve actuation mechanism is provided for an internal combustion engine including at least one valve for control of gas admission to a cylinder of the engine and/or gas exhaust from the cylinder. The mechanism includes two concentrically arranged camshafts, a cam set comprising two cams, each fixed to a respective of the camshafts, whereby the camshafts are arranged to be turned in relation to each other, so as to change the combined profile of the cams, and a cam follower adapted to follow the combined profile of the cams and to actuate at least one of the at least one valve in dependence on the combined profile of the cams, wherein the cam follower includes two rollers, each roller being adapted to follow a respective one of the cams.
Public/Granted literature
- US20180223705A1 A VARIABLE VALVE ACTUATION MECHANISM, AN INTERNAL COMBUSTION ENGINE, AND A VEHICLE Public/Granted day:2018-08-09
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