A respiration signal of a seated person is detected with high accuracy by using a vehicle seat that includes a seat cushion; and a sensor detecting a pressure signal from a load applied from a seated person. The heat exchanger can be integral to the engine, particularly the cylinder head of the engine, or it can be disposed outside the structure of the engine. Coil leader lines are stored in an internal part of the housing so that the moving stator is capable of rotating by a predetermined angle. The first delivery section is movable between a first delivery and a first non-delivery position. The mounting member extends through the securing hole and the mounting hole. Ideas of a given level can be assigned weight values to change the ordering of the depiction of ideas in those levels.