| 摘要 |
PROBLEM TO BE SOLVED: To more ensure valve opening operation of an operating fluid containment device. SOLUTION: This belt type continuously variable transmission satisfies S01×Pin+F×S02×Ps, when the pressure of main operating fluid on the pulley oil pressure chamber side from a valve hole 11c is pressure Pin, the pressure of an operation fluid for operating a piston received by a pressure receiving surface 12f is pressure Ps, an area of a seal part, which is a part of a valve element 16 closing the valve hole 11c is a seal area S01, an area of the pressure receiving surface of the piston 12 is a pressure receiving area S02, and the force of pressing the valve element 16 to the valve hole by a spring 17 is force F. COPYRIGHT: (C)2010,JPO&INPIT
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