| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To detect a pressure over a wide dynamic range by improving linearity of displacement with respect to pressure variation of a liquid packed inside. <P>SOLUTION: A pressure buffer 1 includes: a base body 2 having a recess 4 open upward and a communication hole 5 in the inner surface of the recess 4 to communicate with an external region; a buffer member 3 that joins the upper end surface of the recess 4 to close the opening of the recess 4 and buffers pressure variation of a liquid filled inside; and a detecting section 10 that detects relative displacement between the buffer member 3 and the base body 2. The buffer member 3 includes a plate body 3a having a flat center part and an elastic body 3b having a ring peripheral part. The elastic body 3b is made to be bent into a U-shape in a radial direction. <P>COPYRIGHT: (C)2012,JPO&INPIT</p> |
