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    • 14. 发明授权
    • Rolling bearing apparatus
    • 滚动轴承装置
    • US07997804B2
    • 2011-08-16
    • US12068308
    • 2008-02-05
    • Kanichi KodaKiyoshi Ogino
    • Kanichi KodaKiyoshi Ogino
    • F16C43/04F16C23/10
    • F16C33/586F16C19/525F16C19/547F16C25/08F16C2361/61
    • A rolling bearing apparatus includes inner and outer rings in which a preload applying unit applies a preload to the outer ring. If a fluid pressure in a fluid supply passage is higher than a first set pressure, then fluid is supplied to a pressure chamber via a check valve, and if a pressure becomes lower than the first set pressure, then fluid is supplied from a hydraulic pump to the pressure chamber via the check valve. If the pressure becomes higher than a second set pressure, then the fluid is discharged from the pressure chamber via a relief valve, and if the pressure within the pressure chamber becomes higher than a third set pressure, which is higher than the first set pressure but is lower than the second set pressure, then the supply of fluid is stopped. Thus, the pressure within the pressure chamber is maintained between the first and second set pressures.
    • 滚动轴承装置包括内圈和外圈,其中预紧施加单元对外圈施加预载荷。 如果流体供应通道中的流体压力高于第一设定压力,则通过止回阀将流体供应到压力室,并且如果压力低于第一设定压力,则从液压泵 通过止回阀到压力室。 如果压力变得高于第二设定压力,则流体经由安全阀从压力室排出,并且如果压力室内的压力变得高于高于第一设定压力的第三设定压力,但是 低于第二设定压力,则停止供给流体。 因此,压力室内的压力保持在第一和第二设定压力之间。
    • 15. 发明申请
    • Rolling bearing apparatus
    • 滚动轴承装置
    • US20080187265A1
    • 2008-08-07
    • US12068308
    • 2008-02-05
    • Kanichi KodaKiyoshi Ogino
    • Kanichi KodaKiyoshi Ogino
    • F16C25/08
    • F16C33/586F16C19/525F16C19/547F16C25/08F16C2361/61
    • When a fluid pressure in a fluid supply passage is higher than a first set pressure, a fluid in the fluid supply passage is supplied to a pressure chamber via a check valve, and when the pressure becomes lower than the first set pressure, the fluid is supplied from a hydraulic pump to the pressure chamber via the check valve. When the pressure becomes higher than a second set pressure, the fluid is discharged from the pressure chamber via a relief valve, and also when the pressure within the pressure chamber becomes higher than a third set pressure which is higher than the first set pressure but is lower than the second set pressure, the supply of the fluid is stopped. With this system, the pressure within the pressure chamber is maintained at a level between the first and second set pressures.
    • 当流体供应通道中的流体压力高于第一设定压力时,流体供应通道中的流体通过止回阀被供应到压力室,并且当压力变得低于第一设定压力时,流体是 通过止回阀从液压泵供给压力室。 当压力变得高于第二设定压力时,流体经由安全阀从压力室排出,并且当压力室内的压力变得高于高于第一设定压力的第三设定压力时,但是 低于第二设定压力,停止供给流体。 利用该系统,压力室内的压力保持在第一和第二设定压力之间的水平。
    • 17. 发明授权
    • Antifriction bearing pre-loading device and shaft bearing structure
    • 减速轴承预载装置和轴承结构
    • US5803619A
    • 1998-09-08
    • US571184
    • 1995-12-12
    • Shinsuke TabataKiyoshi OginoKouichi Ueda
    • Shinsuke TabataKiyoshi OginoKouichi Ueda
    • B23B19/02B23Q1/26F16C19/52F16C25/08F16C33/66F16C23/10F16C43/04
    • B23Q1/265F16C19/52F16C25/08F16C19/548
    • A piston is displaced in a cylinder to pre-load an antifriction bearing. This displacement of the piston is effected according to the amount of working oil confined in a working oil chamber. This oil pressure generating device is equipped with a working oil reservoir to pressurize the working oil in the reservoir for reserving the working oil to be fed to the chamber. An orifice is disposed in a working oil passage for providing the communication between the reservoir and the chamber. The clearance, which is established in the portion of antifriction bearing by the extension or contraction of a shaft due to a temperature change, is absorbed by such displacement of the piston, as is effected by the flow of the working oil between the reservoir and the chamber via the orifice. This orifice acts as a high resistance to and a high rigidity against the abrupt fluctuation in the direction opposite to the pre-loading direction.
    • 活塞在气缸中移位以预加载减摩轴承。 活塞的这种位移是根据限制在工作油室中的工作油的量来实现的。 该油压发生装置配备有工作油储存器,用于对储存器中的工作油进行加压以保留供给到室的工作油。 孔口设置在工作油通道中,用于提供储存器和室之间的连通。 通过由于温度变化引起的轴的延伸或收缩在减摩轴承的部分中建立的间隙被活塞的这种位移所吸收,如通过储存器和储存器之间的工作油的流动所影响的 通过孔口。 该孔作为与预加载方向相反的方向上的突然波动的高抵抗力和高刚度。