Patent ID: 8240296
Filing Date: 2012-08-14
Classification: F01M

Abstract:
1. A lubrication device for a gas engine provided with a valve gear room formed on a cylinder head of the engine comprising: a blow-by gas entrance pipe through which the blow-by gas generated in the gas engine flows into the valve gear room, and a blow-by gas discharge pipe through which the blow-by gas led into the valve gear room is discharged; wherein an oil mist separator for separating the blow-by gas into drain oil and air is arranged at the downstream side of the blow-by gas discharge pipe; the outlet for the drain oil from the oil mist separator communicates with an oil discharge device via an oil pipe, the oil discharge device being arranged at an upstream side in relation to the intake air of an air fuel-gas mixer for mixing the fuel gas with the intake air for the engine; and the outlet for the air from the oil mist separator communicates with an air inlet of the air cleaner for the engine intake air via an air pipe.