| 摘要 |
PROBLEM TO BE SOLVED: To enhance rigidity by simply manufacturing the frame of a power unit containing case of an engine-driven heat pump. SOLUTION: A frame 2 as an essential part of a power unit containing case 1 has a wall of four surfaces of an upper surface 2a, bottom 2b, back surface 2c and left side surface 2d, and a post 2f of a front right side corner. The frame 2 is integrally molded by aluminum die casting. Openings 3, 4 are provided at front and right side surfaces of the frame 2. Panels 5, 6 covering the openings 3, 4 are detachably provided to the frame 2. |
