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1. 发明授权

US09309946B1 Cylinder with shock absorbing function 有权
标题翻译：气缸具有减震功能
公开(公告)号：US09309946B1
公开(公告)日：2016-04-12
申请号：US14411958
申请日：2014-09-26
申请人： Komatsu Ltd.
发明人： Hisatoshi Odaka , Atsushi Satou , Yoshio Hoshino
IPC分类号： F16F9/34 , F16F9/348 , F16F9/32
CPC分类号： F16F9/3482 , F15B15/225 , F15B15/2815 , F15B15/2861 , F15B19/002 , F15B19/005 , F16F9/3292
摘要： A cylinder with a shock absorbing function which can detect a position of a piston rod reciprocating in a cylinder tube and has a function of absorbing shock produced by the piston rod at its stroke end includes: a pair of piston valve sheets provided in a piston unit; a piston valve configured to reciprocate within a range between the piston valve sheets; a slider made of a nonmagnetic material slidably fitted onto the piston rod; a valve piston provided in the piston unit; a magnet holder ring attached to the piston rod so as to be positioned between the piston unit and the slider; and a magnetism detector provided on an outer periphery of the cylinder tube and configured to detect a position of the piston rod by detecting magnetism generated by the magnet.
摘要翻译：一种具有减震功能的气缸，其能够检测在气缸筒中往复运动的活塞杆的位置，并且具有吸收活塞杆在其行程端产生的冲击的功能，包括：一对活塞阀片，设置在活塞单元 ; 活塞阀构造成在活塞阀片之间的范围内往复运动; 由可滑动地装配到活塞杆上的非磁性材料制成的滑块; 设置在所述活塞单元中的阀活塞; 附接到所述活塞杆的磁体保持环，以定位在所述活塞单元和所述滑块之间; 以及磁检测器，其设置在所述气缸筒的外周上，并且被配置为通过检测由所述磁体产生的磁性来检测所述活塞杆的位置。

2. 发明申请

US20160091045A1 CYLINDER WITH SHOCK ABSORBING FUNCTION 有权
标题翻译：具有减震功能的气缸
公开(公告)号：US20160091045A1
公开(公告)日：2016-03-31
申请号：US14411958
申请日：2014-09-26
申请人： KOMATSU LTD.
发明人： Hisatoshi Odaka , Atsushi Satou , Yoshio Hoshino
IPC分类号： F16F9/348 , F16F9/32
CPC分类号： F16F9/3482 , F15B15/225 , F15B15/2815 , F15B15/2861 , F15B19/002 , F15B19/005 , F16F9/3292
摘要： A cylinder with a shock absorbing function which can detect a position of a piston rod reciprocating in a cylinder tube and has a function of absorbing shock produced by the piston rod at its stroke end includes: a pair of piston valve sheets provided in a piston unit; a piston valve configured to reciprocate within a range between the piston valve sheets; a slider made of a nonmagnetic material slidably fitted onto the piston rod; a valve piston provided in the piston unit; a magnet holder ring attached to the piston rod so as to be positioned between the piston unit and the slider; and a magnetism detector provided on an outer periphery of the cylinder tube and configured to detect a position of the piston rod by detecting magnetism generated by the magnet.
摘要翻译：一种具有减震功能的气缸，其能够检测在气缸筒中往复运动的活塞杆的位置，并且具有吸收活塞杆在其行程端产生的冲击的功能，包括：一对活塞阀片，设置在活塞单元 ; 活塞阀构造成在活塞阀片之间的范围内往复运动; 由可滑动地装配到活塞杆上的非磁性材料制成的滑块; 设置在所述活塞单元中的阀活塞; 附接到所述活塞杆的磁体保持环，以定位在所述活塞单元和所述滑块之间; 以及磁检测器，其设置在所述气缸筒的外周上，并且被配置为通过检测由所述磁体产生的磁性来检测所述活塞杆的位置。

3. 发明授权

US10801526B2 Sealing device 有权
公开(公告)号：US10801526B2
公开(公告)日：2020-10-13
申请号：US16250263
申请日：2019-01-17
申请人： Komatsu Ltd. , NOK Corporation
发明人： Yoshio Hoshino , Hisatoshi Odaka , Kenichi Ajiki , Takafumi Nakamura , Yoshiyuki Abe
IPC分类号： F15B15/14 , F16J15/3204
摘要： A sealing device includes: an annular seal that is disposed on an outer periphery of a rod of a hydraulic cylinder further on a side of an extending direction than a cylinder head of the hydraulic cylinder and that has a pair of opposing first facing surfaces; a holding member disposed on an outer periphery of the seal; and a fixing member disposed on an outer periphery of the holding member, the fixing member having a tapered inner surface that contacts an outer surface of the holding member and that has an inner diameter increasing toward a retracting direction.

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