Invention Application
US20020134331A1 Internal-combustion engine with hydraulic system for variable operation of the engine valves
有权
具有液压系统的内燃机，用于发动机气门的可变运行
- Patent Title: Internal-combustion engine with hydraulic system for variable operation of the engine valves
- Patent Title (中): 具有液压系统的内燃机，用于发动机气门的可变运行
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Application No.: US10102922Application Date: 2002-03-22
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Publication No.: US20020134331A1Publication Date: 2002-09-26
- Inventor: Stefano Chiappini , Andrea Pecori , Francesco Vattaneo
- Applicant: C.R.F. SOCIETA CONSORTILE PER AZIONI
- Applicant Address: null
- Assignee: C.R.F. SOCIETA CONSORTILE PER AZIONI
- Current Assignee: C.R.F. SOCIETA CONSORTILE PER AZIONI
- Current Assignee Address: null
- Priority: ITT02001A000271 20010323
- Main IPC: F01L001/34
- IPC: F01L001/34 ; F01L001/14
Abstract:
In an internal-combustion engine with a hydraulic system for variable operation of the valves, the tappet actuated by each cam of the camshaft is slidably mounted in a tubular body which is made of a single piece with a bushing for guiding the valve-actuating piston.
Public/Granted literature
- US06712030B2 Internal-combustion engine with hydraulic system for variable operation of the engine valves Public/Granted day:2004-03-30
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