| 摘要 |
PROBLEM TO BE SOLVED: To minimize a chance for mixing air in a working oil besides preventing the presence of an aeration phenomenon. SOLUTION: A hydraulic damper comprises a reservoir chamber R between an inner cylinder and outer cylinder, an outflow pipe 7 which is projected to a head part 5 for blocking one end openings in the inner cylinder 1 and outer cylinder 2 and which allows working oil from the inside of the inner cylinder 1 to pass therethrough toward the reservoir chamber R side, and an inflow pipe 8 which is projected to a bottom part 6 for blocking the other end openings in the inner cylinder 1 and the outer cylinder 2 and which allows working oil from the reservoir chamber R to pass through the inside of the inner cylinder 1, wherein the tip opened to the reservoir chamber R in the outflow pipe 7 is positioned between inflow pipes 8, 8 arranged in parallel with an appropriate space. COPYRIGHT: (C)2009,JPO&INPIT
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