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|국가/구분||United States(US) Patent 등록|
|미국특허분류(USC)||277/3 ; 277/27 ; 277/59 ; 277/81S|
|발명자 / 주소||
|출원인 / 주소||
|인용정보||피인용 횟수 : 10 인용 특허 : 3|
A stern tube seal device wherein an annular case member is arranged in the outer periphery of a shaft, a mechanical seal is arranged in a gap therebetween and at a position at the side of the ship, a limited leaking type seal is arranged at a position at the side of sea water, and pressure fluid is fed in the intermediate between both the seal members to enhance a sealing effect by pressure of the pressure fluid.
A stern tube seal device characterized in that an annular case member is arranged in the outer periphery of a shaft, a mechanical seal for sealing a portion between said case member and the peripheral surface of the shaft is disposed at a position closer to the ship in the inner periphery of said case member, an annular recess portion is formed externally of the ship of said mechanical seal in the inner peripheral surface of said case member, a limited leaking type seal in sliding relation with the peripheral surface of the shaft is fitted into said annu...