Valve opening and closing mechanism
AssigneeMitsubishi Electric Corporation
InventorsMasayuki Yokoyama, Sotsuo Miyoshi, Satoru Hasegawa, Katsunori Takai
Life of this patent
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Abstract
A valve opening and closing mechanism includes: an input shaft 2 driven by a power source; two or more output shafts 5, 6 respectively including valves 3, 4; power transmission members that transmit power from the input shaft 2 to the respective output shafts 5, 6 with varying a phase of the power; and preload application members that apply preloads respectively to the output shafts 5, 6 and the power transmission member in opposite directions. The output shafts 5, 6 may be separated from the power transmission member.
Claims9
A valve opening and closing mechanism, comprising:
- an input shaft driven by a power source;
- two or more output shafts each including a valve;
- power transmission members that transmit power from the input shaft to the respective output shafts with varying a phase of the power;
- and
- preload application members that apply preloads respectively to the output shaft and the power transmission members in opposite directions.
Dependencies are inferred from the claim text.