| 摘要 |
<P>PROBLEM TO BE SOLVED: To ensure the strength of a glass without increasing the weight of the glass. <P>SOLUTION: A photographing device 1 photographs the condition of an inside of a combustion chamber 25 in a visualization engine 2 that includes at least a piston 26, a cylinder 27 housing the piston 26, and the combustion chamber 25 provided in the cylinder 27. The photographing device 1 comprises: a visualization part 29 having window parts 29a, 29b, 29c on an exterior wall facing the combustion chamber 25 of the piston 26; filters F1, F2, F3 that are respectively mounted on the window parts 29a, 29b, 29c and respectively have different transmission wavelengths; a photographing part 3 for photographing the inside of the combustion chamber 25 by seeing through each of the window parts 29a, 29b, 29c via the filters F1, F2, F3; and an image analysis part 4 for analyzing the composition of gas components inside the combustion chamber 25 simultaneously for a plurality of the components, from images obtained by performing photographing through each of the window parts 29a, 29b, 29c via the filters F1, F2, F3. <P>COPYRIGHT: (C)2013,JPO&INPIT |
