An aircraft engine lubrication system (30) for an aircraft engine (20) having a first component and a second component is provided. The system (30) includes a lubricant tank (32), a first pump (36), a second pump (34), and a de-aerator (38). A lubricant ta...

An exhaust purification system of an internal combustion engine is provided with an NO X storage reduction catalyst (17) which is arranged in an engine exhaust passage (12) and an SO X trap material which is constituted by an SOx trap catalyst (16) is arra...

An exhaust purification system of an internal combustion engine is provided with an NO X storage reduction catalyst which is arranged in an engine exhaust passage and an SO X trap material which is arranged upstream of the NO X storage reduction catalyst a...

An oil dilution inhibiting apparatus (100) is mounted on a vehicle provided with an engine (1) in which alcohol fuel can be used, the oil dilution inhibiting apparatus provided with: an intake amount integrating device (31) for integrating amount of an air...