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    • 1. 发明授权
    • Exhaust gas re-circulation valve
    • 废气再循环阀
    • US06279552B1
    • 2001-08-28
    • US09402237
    • 1999-10-01
    • Hidetoshi OkadaSotsuo MiyoshiToshihiko MiyakeShinichi Kawasaki
    • Hidetoshi OkadaSotsuo MiyoshiToshihiko MiyakeShinichi Kawasaki
    • F02M2507
    • F16K1/443F02M26/11F02M26/38F02M26/53F02M26/54F02M26/67F02M26/69F02M26/71
    • An exhaust gas re-circulation valve which allows the accurate control of high temperature and pressure exhaust gas flowing through the engine exhaust gas re-circulation passage of a turbo diesel vehicle or the like. Valve seats 28, 29, valves 31, 32 and a valve shaft are mounted on a valve housing 21 and an adjustable adjusting mechanism 36,51,28b,71 is provided which allows both the first valve 31 and the first valve seat 28 and the second valve 32 and the second valve seat 29 to close in abutment by displacement or deformation. In this way even if there is an irregularity in the process or assembly accuracy of the components of the exhaust gas re-circulation valve, it can be absorbed by the adjustable mechanism 36, 51, 28b, 71. As a result the formation of gaps between the valve and the valve seat as a result of irregularities in the in the process or assembly accuracy of the components of the exhaust gas re-circulation valve can be prevented and valve accuracy can be improved.
    • 一种排气再循环阀,其能够精确地控制流过涡轮柴油车辆的发动机废气再循环通路等的高温高压排气。 阀座28,29,阀31,32和阀轴安装在阀壳体21上,并且设置有可调节调节机构36,51,28b,71,其允许第一阀31和第一阀座28和 第二阀32和第二阀座29通过位移或变形而邻接。 以这种方式即使废气再循环阀的部件的过程中存在不规则或组装精度,也可以被可调节机构36,51,28b,71吸收。结果形成间隙 可以防止排气再循环阀的部件的过程中的不规则或组装精度导致阀和阀座之间的差异,并且可以提高阀的精度。
    • 2. 发明授权
    • Control valve device
    • 控制阀装置
    • US06224034B1
    • 2001-05-01
    • US09403401
    • 1999-12-13
    • Yasuhiko KatoToshihiko MiyakeSotsuo MiyoshiHidetoshi Okada
    • Yasuhiko KatoToshihiko MiyakeSotsuo MiyoshiHidetoshi Okada
    • F20B4708
    • H02K7/06
    • An elastic body 51 is provided to absorb impact energy generated by the collision between rotor positioning portions 31 and shaft portion positioning portions 29 when a shaft portion 24 is moved into a female thread portion 26 to determine the initial position of the shaft portion 24, and so the impact noise generated by the collision between the rotor positioning portions 31 and the shaft portion positioning portions 29 can be reduced. Also, the force of impact imparted to the shaft portion positioning portions 29 by the rotor positioning portions 31 decreases, and so it is possible to prevent deformation of the rotor positioning portions 31 and the shaft portion positioning portions 29.
    • 提供弹性体51,以便当轴部分24移动到内螺纹部分26中以确定轴部分24的初始位置时,吸收由转子定位部分31和轴部定位部分29之间的碰撞产生的冲击能量,并且 因此可以减少由转子定位部31与轴部定位部29之间的碰撞产生的冲击噪音。 此外,由转子定位部31向轴部定位部29施加的冲击力减小,因此能够防止转子定位部31和轴部定位部29发生变形。
    • 4. 发明授权
    • Motor-driven control valve device
    • 电动控制阀装置
    • US5351935A
    • 1994-10-04
    • US172156
    • 1993-12-23
    • Sotsuo MiyoshiToshihiko MiyakeHidetoshi Okada
    • Sotsuo MiyoshiToshihiko MiyakeHidetoshi Okada
    • F02M25/07F16K31/04F16K31/10
    • F02M26/67F02M26/54F02M26/50
    • A pushing type motor-driven control valve device for opening and closing a valve by a reciprocating motion of a motor shaft driven by normally and reversely rotating a motor, said pushing type motor-driven control valve device comprises a valve shaft for driving the valve; a motor shaft for driving the valve shaft, said motor shaft being separated from and disposed coaxially with the valve shaft; a valve shaft spring for urging the valve shaft in a first direction of closing the valve; and a motor shaft spring for urging the motor shaft in a second direction of opening the valve; wherein a first pushing force applied on the motor shaft by the motor shaft spring is set to be smaller than a second pushing force applied on the valve shaft by the valve shaft spring.
    • 一种用于通过由马达正常和反向旋转驱动的马达轴的往复运动来打开和关闭阀的推动型马达驱动控制阀装置,所述推压式电动控制阀装置包括用于驱动阀的阀轴; 用于驱动所述阀轴的马达轴,所述马达轴与所述阀轴分离并与所述阀轴同轴布置; 阀轴弹簧,用于在关闭所述阀的第一方向上推压所述阀轴; 以及电动机轴弹簧,用于沿打开所述阀的第二方向推动所述电动机轴; 其特征在于,通过所述电动机轴弹簧施加在所述电动机轴上的第一推动力被设定为小于由所述阀轴弹簧施加在所述阀轴上的第二推压力。
    • 5. 发明授权
    • Exhaust gas recirculation system
    • 废气再循环系统
    • US06330880B1
    • 2001-12-18
    • US09319513
    • 1999-06-08
    • Hidetoshi OkadaToshihiko MiyakeSotsuo Miyoshi
    • Hidetoshi OkadaToshihiko MiyakeSotsuo Miyoshi
    • F02M2507
    • F02M26/69F02M26/11F02M26/38F02M26/54F02M26/67
    • An exhaust gas recirculation system capable of regulating the degree of valve opening with high accuracy in order to properly recirculate exhaust gas to the combustion chamber (1a) of a four-cycle engine (1) for automobiles even in the case of the diesel turbo-type car which usually generates high temperature and pressure exhaust gas. In the exhaust gas recirculation system disclosed herein, two closure valves (19, 20) are provided on the movable shaft (23) so that exhaust gas can flow into a movable space (10a) through openings formed by the movement of the two closure valves (19, 20) in their movable range. The pressure effecting on the two closure valves (19, 20) is canceled out and the movement of the movable shaft (23) is not prevented by high pressure of the exhaust gas. Therefore, even in the case of high temperature and pressure exhaust gas of the diesel turbo-type car or like vehicles, the movable shaft can be driven accurately with a relatively small power stepping motor (17).
    • 一种排气再循环系统,其能够高精度地调节开阀程度,以便即使在柴油机涡轮增压器的情况下也能将废气适当地再循环到用于汽车的四冲程发动机(1)的燃烧室(1a) 通常产生高温高压废气的汽车。 在本文所公开的排气再循环系统中,两个闭合阀(19,20)设置在可动轴(23)上,使得废气可以通过由两个闭合阀的运动形成的开口流入可移动空间(10a) (19,20)处于可动范围。 抵消对两个关闭阀(19,20)的压力被消除,并且通过排气的高压不能防止可动轴(23)的移动。 因此,即使在柴油涡轮式车辆等车辆的高温高压排气的情况下,也可以用相对较小的动力步进电机(17)精确地驱动可动轴。
    • 10. 发明授权
    • Valve device
    • 阀门装置
    • US06488259B1
    • 2002-12-03
    • US09629920
    • 2000-07-31
    • Youichi FujitaOsamu YatsukiToshihiko MiyakeSotsuo MiyoshiYuji Nakahara
    • Youichi FujitaOsamu YatsukiToshihiko MiyakeSotsuo MiyoshiYuji Nakahara
    • F16K3102
    • H02K7/06F02M26/54F02M26/67F16K31/04
    • A valve device comprising a stator 22 having a predetermined number of coils arranged with substantially equal intervals in peripheral directions of a stator core, a rotor having a plurality of permanent magnet magnetic poles 29 at positions corresponding to the coils on an outer peripheral surface of the stator 22, a current carrying means 37 commutating a direct current supplied from a power source through the rotor 28 and applying the current to the coils of the stator 22, a shaft member located in a center of the rotor 28 and being movable in a direction of the shaft in response to rotation of the rotor 28, and a valve member 45 opening and closing by movement of the shaft member 30 for providing excellent responsiveness of valve opening and closing operations.
    • 一种阀装置,其特征在于,具有定子22,所述定子22具有在定子铁芯的圆周方向上具有大致相等间隔排列的预定数量的线圈,转子在与所述线圈的外周面上的线圈对应的位置具有多个永久磁铁磁极29 定子22是将来自电源的直流通过转子28整流并将电流施加到定子22的线圈的电流承载装置37,位于转子28的中心的轴构件, 以及通过轴构件30的运动而打开和关闭的阀构件45,以提供阀打开和关闭操作的优异响应性。