| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide an accumulator capable of having no risks causing a fatigue destruction even though used in an atmosphere having large pressure fluctuations for a long period. <P>SOLUTION: In the accumulator having an approximately cup-shaped metal shell, a cover member which blocks an opening section of the shell and is crimped on the opening section, and a rubbery elastic bladder arranged in the shell, compressed air is enclosed in an air chamber surrounded by the shell and bladder via an air enclosing hole arranged on a top of the shell, and a fluid is externally introduced into a fluid chamber surrounded by a cover member and the bladder via a fluid introducing hole arranged on the cover member. The top of the shell is a curved surface shape externally curved on the outside, and the accumulator is provided with a gas valve for enclosing the air enclosing hole, and a sealing means interposed between the gas valve and top. <P>COPYRIGHT: (C)2008,JPO&INPIT</p> |
