SHIP

• Main Authors: ISHIMOTO KENICHI, SHIKINE HIROAKI, YAMAGUCHI KAZUSHI, TAKADA RYUSUKE, HAYASHI MISAKI, ANDO SATOSHI, KUMA YASUMITSU, NAGAMATSU TOSHIAKI
• Format: Patent
• Language: English; Japanese
• Published: 31.01.2019
• Subjects: EQUIPMENT FOR SHIPPING; PERFORMING OPERATIONS; RELATED EQUIPMENT; SHIPS OR OTHER WATERBORNE VESSELS; TRANSPORTING

To provide a ship which reduces a gap between a tank cover and a cargo tank while providing a passage part and a lifting part to increase the capacity of the cargo tank.SOLUTION: A ship 10 includes: a hull 11; a cargo tank 20 having an upper non-spherical shape part 23 in which a radial dimension gradually reduces upward; a tank cover 30 having a standing part 31 and an upper cover part 34; a passage part 40 which is provided at an upper part of the standing part 31 and extends in a circumferential direction of the standing part 31 along a cargo tank 20 side inner peripheral surface 31g; a hatch 41 provided at the upper part of the standing part 31 and allowing communication between an inner peripheral surface 31g side and an outer peripheral surface 31f side of the standing part 31; and a lifting part 42 which is provided on an outer peripheral surface 31f opposite to the cargo tank 20 side in the standing part 31 and may move up or down between an upper deck 12 and the hatch 41.SELECTED DRAWING: Figure 3 【課題】通路部や昇降部を設けつつ、タンクカバーとカーゴタンクとの隙間を小さくし、カーゴタンクの容量を増大可能とする。【解決手段】船舶１０は、船体１１と、上方に向かって径寸法が漸次縮小する上部非真球形状部２３を有するカーゴタンク２０と、立ち上がり部３１、及び上部カバー部３４を有するタンクカバー３０と、立ち上がり部３１の上部に設けられ、カーゴタンク２０側の内周面３１ｇに沿って立ち上がり部３１の周方向に延びる通路部４０と、立ち上がり部３１の上部に設けられて、立ち上がり部３１の内周面３１ｇ側と外周面３１ｆ側とを連通するハッチ４１と、立ち上がり部３１においてカーゴタンク２０側とは反対側の外周面３１ｆに設けられ、上甲板１２とハッチ４１との間を昇降可能な昇降部４２と、を備える。【選択図】図３