| 摘要 |
PROBLEM TO BE SOLVED: To provide a rotary fluid machine capable of reducing uneven contact of a crank shaft with a bearing by reducing deflection of an intermediate shaft.SOLUTION: In a crank shaft 1 including: a first crank shaft portion 3; a first crank pin 5; a second crank shaft portion 11; a second crank pin 9; and the intermediate shaft 7, and the intermediate shaft 7 is formed into a shape having a first side positioned at a first direction side A on a longitudinal section including any two axes of the first crank shaft portion 3, the first crank pin 5 and the second crank pin 9, in a state that the first side A is disposed to continuously connect a first side-side first contact point connected with the first crank pin 5 and a first side-side second contact point connected with the second crank pin 9, and the first side-side first contact point is disposed on a position displaced from the first side-side second contact point to the first direction side A. |
