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U.S. Department of Energy
Office of Scientific and Technical Information

Gas valve driving apparatus of a gas engine

Patent ·
OSTI ID:5147205
This patent describes a gas valve driving apparatus of a gas engine in which a gas supply passage is connected to an intake means of the engine. The apparatus comprises a gas valve arranged in the gas supply passage, a gas valve cam provided on a cam shaft in a cam chamber formed by a cylinder block of the engine and being independent of an intake cam and an exhaust cam on the cam shaft; and connecting means for connecting the gas valve cam and the gas valve together, so that the gas valve cam drives the gas valve through the connecting means. The gas valve and the connecting means are contained in a single unit which is fixed to a wall of the cam chamber and is removable therefrom separate from intake and exhaust valves of the engine.
Assignee:
Yanmar Diesel Engine Co., Ltd., Osaka
Patent Number(s):
US 4612881
OSTI ID:
5147205
Country of Publication:
United States
Language:
English