Automatic hydraulic tensioner
    1.
    发明授权
    Automatic hydraulic tensioner 失效
    自动液压张紧器

    公开(公告)号:US5833563A

    公开(公告)日:1998-11-10

    申请号:US956446

    申请日:1997-10-23

    IPC分类号: F01L1/02 F16H7/08 F16H7/12

    摘要: An automatic hydraulic tensioner according to the present invention is provided with a communication mechanism for allowing a space radially inside a plunger-side end wire portion of a coil spring to communicate with a small clearance between the plunger and a cylinder. This automatic hydraulic tensioner thus succeeds, with a simple structure, in preventing bubbles from remaining within a pressure chamber and appropriately maintaining the tension applied to a power transmitting means such as a belt, a chain or the like.

    摘要翻译: 根据本发明的自动液压张紧器设置有连通机构,用于允许螺旋弹簧的柱塞侧端部线部的径向内部的空间与柱塞和气缸之间的小间隙连通。 因此,这种自动液压张紧器以简单的结构成功地防止气泡保持在压力室内并适当地保持施加到诸如皮带,链条等的动力传递装置上的张力。

    Electromagnetic valve unit and engine cover unit
    2.
    发明申请
    Electromagnetic valve unit and engine cover unit 审中-公开
    电磁阀单元和发动机罩单元

    公开(公告)号:US20060065581A1

    公开(公告)日:2006-03-30

    申请号:US11234244

    申请日:2005-09-26

    IPC分类号: B01D35/14

    摘要: An electromagnetic valve unit comprises a first electromagnetic valve provided at a cover, which is positioned at one end portion of an engine, for controlling an amount of hydraulic oil supplied from a hydraulic pressure source to a first hydraulic mechanism, a second electromagnetic valve provided at the cover so as to be next to the first electromagnetic valve for controlling an amount of hydraulic oil supplied from the hydraulic pressure source to a second hydraulic mechanism and an oil filter provided between the first electromagnetic valve and the second electromagnetic valve and connected to each of the first and the second electromagnetic valves in order to filter the hydraulic oil supplied to each of the first and the second electromagnetic valves.

    摘要翻译: 电磁阀单元包括设置在盖上的第一电磁阀,其位于发动机的一端部,用于控制从液压源供应到第一液压机构的液压油量;第二电磁阀, 所述盖子邻近所述第一电磁阀,用于控制从所述液压源供应到第二液压机构的液压油量;以及设置在所述第一电磁阀和所述第二电磁阀之间的油过滤器, 第一和第二电磁阀,以便过滤供应到每个第一和第二电磁阀的液压油。

    Relief valve for an oil pump
    3.
    发明授权
    Relief valve for an oil pump 有权
    油泵安全阀

    公开(公告)号:US06543476B2

    公开(公告)日:2003-04-08

    申请号:US09790502

    申请日:2001-02-23

    申请人: Shinji Kazaoka

    发明人: Shinji Kazaoka

    IPC分类号: F16K1502

    摘要: A relief valve for regulating discharged oil pressure of an oil pump at a predetermined level comprises a cylinder including a bore therein and relief grooves formed symmetrically relatively to an axial center of the bore, while each of the relief grooves has a respective opening to an inner peripheral portion of the bore; a valve body disposed in the cylinder so as to be slidably moved in the bore in response to the discharged oil pressure supplied into the bore at one side of the valve body; a spring provided in the other side of the valve body constantly urging the valve body toward the one side of the valve body so as to close the openings of the relief grooves by the valve body; and an adjusting means for adjusting a change rate of an opening area of the relief grooves relatively to one slide movement of the valve body against the force of the spring so that the change rate of the opening area at the beginning of slide movement of the valve body is smaller than that at the end of the slide movement of the valve body.

    摘要翻译: 用于调节预定水位的油泵的排出油压的安全阀包括一个其中包括一个孔的缸和相对于​​该孔的轴向中心对称地形成的释放槽,而每个浮雕槽具有一个相应的开口, 孔的周边部分; 阀体,其设置在所述气缸中,以响应于供应到所述阀体一侧的所述孔中的排出油压而在所述孔中可滑动地移动; 设置在阀体的另一侧的弹簧不断地将阀体朝向阀体的一侧推压,以通过阀体封闭释放槽的开口; 以及调节装置,用于相对于所述阀体相对于所述弹簧的力的一个滑动运动相对于所述阀的滑动运动开始时的所述开口面积的变化率来调节所述排放槽的开口面积的变化率, 阀体比阀体的滑动运动结束时小。

    OIL PUMP
    4.
    发明申请
    OIL PUMP 有权
    油泵

    公开(公告)号:US20130209302A1

    公开(公告)日:2013-08-15

    申请号:US13878496

    申请日:2011-12-06

    IPC分类号: F04C2/00

    摘要: An oil pump includes a capacity adjustment mechanism that changes the pump capacity by moving a tubular body in a tube radial direction, with a pump chamber formed between the tubular body and an outer circumference side of a rotor, a first spring biasing the tubular body in a direction in which pump capacity increases, a control valve that converts oil pressure of the oil pump into control pressure and causes the control pressure to act on the capacity adjustment mechanism, and a second spring biasing a valve body in order to set the control pressure in the control valve. The relationship of the biasing forces of the first and second springs is set so that pump capacity is set to maximum when the engine rotational speed is less than a predetermined value, and so that pump capacity is reduced when the engine rotational speed exceeds a predetermined value.

    摘要翻译: 油泵包括容量调节机构,该容量调节机构通过在管状体和转子的外周侧之间形成的泵室,使管状体沿管径向移动来改变泵容量,第一弹簧将管状体 泵容量增加的方向,将油泵的油压转换为控制压力并使控制压力作用于容量调节机构的控制阀,以及施加阀体的第二弹簧,以设定控制压力 在控制阀中。 第一弹簧和第二弹簧的偏置力的关系被设定为当发动机转速小于预定值时将泵容量设定为最大,并且当发动机转速超过预定值时泵容量减小 。

    OIL PUMP
    5.
    发明申请
    OIL PUMP 有权
    油泵

    公开(公告)号:US20110014078A1

    公开(公告)日:2011-01-20

    申请号:US12933912

    申请日:2009-07-22

    IPC分类号: F01C1/10

    摘要: An oil pump includes: an inner rotor rotatable with a drive shaft in a unified manner on a drive-rotation axis; an outer rotor which has inner teeth configured to engage with outer teeth of the inner rotor and is rotatable about a driven axis eccentric to the drive-rotation axis; and an adjustment ring for rotatably supporting the outer rotor. A guide means which allows the adjustment ring to rotate about the driven axis, while allowing the driven axis to revolve about the drive-rotation axis, is formed of: first and second arm portions provided on the adjustment ring; and first and second guide faces with which the first and second arm portions are brought into slidable contact.

    摘要翻译: 油泵包括:内转子,其以驱动轴在驱动旋转轴线上以统一的方式旋转; 外转子,其内齿构造成与内转子的外齿接合,并且能够围绕偏心于驱动旋转轴的从动轴旋转; 以及用于可旋转地支撑外转子的调节环。 引导装置,其允许调节环围绕驱动轴线旋转,同时允许从动轴围绕驱动旋转轴线旋转,由导向装置形成:设置在调节环上的第一和第二臂部分; 以及第一和第二引导面,第一和第二引导面与第一和第二臂部分可滑动接触。

    Oil pump including rotors that change eccentric positional relationship one-to another to adjust a discharge amount
    6.
    发明授权
    Oil pump including rotors that change eccentric positional relationship one-to another to adjust a discharge amount 有权
    油泵包括转子偏心位置关系改变以调节排放量的转子

    公开(公告)号:US09127671B2

    公开(公告)日:2015-09-08

    申请号:US12933912

    申请日:2009-07-22

    摘要: An oil pump includes: an inner rotor rotatable with a drive shaft in a unified manner on a drive-rotation axis; an outer rotor which has inner teeth configured to engage with outer teeth of the inner rotor and is rotatable about a driven axis eccentric to the drive-rotation axis; and an adjustment ring for rotatably supporting the outer rotor. A guide means which allows the adjustment ring to rotate about the driven axis, while allowing the driven axis to revolve about the drive-rotation axis, is formed of: first and second arm portions provided on the adjustment ring; and first and second guide faces with which the first and second arm portions are brought into slidable contact.

    摘要翻译: 油泵包括:内转子,其以驱动轴在驱动旋转轴线上以统一的方式旋转; 外转子,其内齿构造成与内转子的外齿接合,并且能够围绕偏心于驱动旋转轴的从动轴旋转; 以及用于可旋转地支撑外转子的调节环。 引导装置,其允许调节环围绕驱动轴线旋转,同时允许从动轴围绕驱动旋转轴线旋转,由导向装置形成:设置在调节环上的第一和第二臂部分; 以及第一和第二引导面,第一和第二引导面与第一和第二臂部分可滑动接触。

    Oil pump
    7.
    发明授权
    Oil pump 有权
    油泵

    公开(公告)号:US08690544B2

    公开(公告)日:2014-04-08

    申请号:US13878496

    申请日:2011-12-06

    IPC分类号: F04B49/00 F04C14/22

    摘要: An oil pump includes a capacity adjustment mechanism that changes the pump capacity by moving a tubular body in a tube radial direction, with a pump chamber formed between the tubular body and an outer circumference side of a rotor, a first spring biasing the tubular body in a direction in which pump capacity increases, a control valve that converts oil pressure of the oil pump into control pressure and causes the control pressure to act on the capacity adjustment mechanism, and a second spring biasing a valve body in order to set the control pressure in the control valve. The relationship of the biasing forces of the first and second springs is set so that pump capacity is set to maximum when the engine rotational speed is less than a predetermined value, and so that pump capacity is reduced when the engine rotational speed exceeds a predetermined value.

    摘要翻译: 油泵包括容量调节机构,该容量调节机构通过在管状体和转子的外周侧之间形成的泵室,使管状体沿管径向移动来改变泵容量,第一弹簧将管状体 泵容量增加的方向,将油泵的油压转换为控制压力并使控制压力作用于容量调节机构的控制阀,以及施加阀体的第二弹簧,以设定控制压力 在控制阀中。 第一弹簧和第二弹簧的偏置力的关系被设定为当发动机转速小于预定值时将泵容量设定为最大,并且当发动机转速超过预定值时泵容量减小 。