| 摘要 |
PROBLEM TO BE SOLVED: To provide a system, method, and computer program to define utility of lubricant such as engine oil and timing when the lubricant should be replaced in a specified engine.SOLUTION: A system 100 comprises an analyzer 110, a computer 120, a server 130, and a database 140, and all of these can be connected through a communication network 150 via a communication link 160 or directly via the communication link 160. The analyzer 110 can be located on an engine (or in an engine), in a vehicle engine compartment, in an architectural structure, and the like. The computer 120 can be located on a customer side such as a customer store and customer's architectural structure. The server 130 and/or the database 140 can be located on a product supplier side such as an engine lubricant distributer or supplier, and an engine lubricant retailer. |
