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1. WO2018235868 - MECHANICAL SEAL

Publication Number WO/2018/235868
Publication Date 27.12.2018
International Application No. PCT/JP2018/023465
International Filing Date 20.06.2018
IPC
F16J 15/34 2006.1
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
16ENGINEERING ELEMENTS OR UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
JPISTONS; CYLINDERS; PRESSURE VESSELS IN GENERAL; SEALINGS
15Sealings
16between relatively-moving surfaces
34with slip-ring pressed against a more or less radial face on one member
CPC
F16J 15/3452
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
JPISTONS
15Sealings
16between relatively-moving surfaces
34with slip-ring pressed against a more or less radial face on one member
3436Pressing means
3452the pressing force resulting from the action of a spring
F16J 15/3464
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
JPISTONS
15Sealings
16between relatively-moving surfaces
34with slip-ring pressed against a more or less radial face on one member
3464Mounting of the seal
F16J 15/36
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
JPISTONS
15Sealings
16between relatively-moving surfaces
34with slip-ring pressed against a more or less radial face on one member
36connected by a diaphragm ; or bellow; to the other member
Applicants
  • イーグル工業株式会社 EAGLE INDUSTRY CO., LTD. [JP]/[JP]
  • イーグルブルグマンジャパン株式会社 EAGLEBURGMANN JAPAN CO., LTD. [JP]/[JP]
Inventors
  • 石原 裕行 ISHIHARA, Hiroyuki
  • 丸山 秀樹 MARUYAMA, Hideki
Agents
  • 中村 剛 NAKAMURA, Go
  • 坂井 浩一郎 SAKAI, Koichiro
  • 森廣 亮太 MORIHIRO, Ryota
Priority Data
2017-12309123.06.2017JP
Publication Language Japanese (JA)
Filing Language Japanese (JA)
Designated States
Title
(EN) MECHANICAL SEAL
(FR) JOINT MÉCANIQUE
(JA) メカニカルシール
Abstract
(EN)
Provided is a mechanical seal which enables sealing performance to be stabilized over an extended period of time. A rotating ring unit 100 is characterized by being provided with: an annular resilient body seal 130 which includes a first annular portion 131 secured on an inner circumferential surface side thereof through the engagement of a rotating ring 110, a second annular portion 133 in close contact with an outer circumferential surface of a rotating shaft, and a curved portion 132 which joins the first annular portion 131 and the second annular portion 133 and follows changes in the position of the second annular portion 133 relative to the first annular portion 131; an annular tightening member 140 which tightens an outer circumferential surface of the second annular portion 133 relative to the rotating shaft; and a metal case 120 provided with an annular engaged portion 121 on an inner circumferential surface of which the first annular portion 131 is secured by engaging therewith; wherein a slip preventer which suppresses relative rotation of the first annular portion 131 in the circumferential direction is formed on an inner circumferential surface of the engaged portion 121.
(FR)
L'invention concerne un joint mécanique permettant de stabiliser les performances d'étanchéité pendant une période prolongée. Une unité d'anneau rotatif (100) est caractérisée en ce qu'elle comporte : un joint de corps élastique annulaire (130) qui comprend une première partie annulaire (131) fixée sur un côté de surface circonférentielle interne dudit joint par mise en prise d'un anneau rotatif (110), une seconde partie annulaire (133) en contact étroit avec une surface circonférentielle externe d'un arbre rotatif, et une partie incurvée (132) qui relie la première partie annulaire (131) et la seconde partie annulaire (133) et qui suit les changements de la position de la seconde partie annulaire (133) par rapport à la première partie annulaire (131) ; un élément de serrage annulaire (140) qui serre une surface circonférentielle externe de la seconde partie annulaire (133) par rapport à l'arbre rotatif ; et un boîtier métallique (120) pourvu d'une partie en prise (121) annulaire sur une surface circonférentielle interne sur laquelle la première partie annulaire (131) est fixée par mise en prise ; un dispositif anti-glissement supprimant la rotation relative de la première partie annulaire (131) dans la direction circonférentielle est formé sur une surface circonférentielle interne de la partie en prise (121).
(JA)
長期に亘り密封性の安定化を可能とするメカニカルシールを提供する。 回転環ユニット100は、内周面側に回転環110が嵌合により固定される第1環状部131と、回転軸の外周面に密着する第2環状部133と、第1環状部131と第2環状部133とを繋ぎ、かつ第1環状部131に対する第2環状部133の位置の変化に追随する湾曲部132とを有する環状の弾性体シール130と、第2環状部133の外周面を回転軸に対して締め付ける環状の締め付け部材140と、内周面側に第1環状部131が嵌合により固定される環状の被嵌合部121を備える金属製のケース120と、を備え、被嵌合部121の内周面には、第1環状部131の周方向への相対的な回転を抑制する滑り止めが形成されていることを特徴とする。
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