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公开(公告)号：US06203303B1
公开(公告)日：2001-03-20
申请号：US09457336
申请日：1999-12-09
IPC分类号： F01C100
CPC分类号： F04C2/3446 , F01C21/0863
摘要： A vane pump is composed of a rotor that is rotatably disposed in a cam ring attached to a housing, a plurality of vanes that are slidably disposed in corresponding slits formed in the rotor in which the vane is projected from the slit upon rotation of the rotor, a pair of sidewall members that close both side portions of the cam ring to form a cavity defined by the cam ring and said sidewall members, a plurality of annular backpressure grooves that is depressively formed on contact surfaces of the sidewall members with the rotor in which adjacent two of the backpressure grooves are communicated with each other through a communication passage to introduce discharged pressure into an inside end portion of each of the slits, and depressions that are formed on at least one of the contact surfaces of the sidewall members with the rotor in which the depressions are not contacted with a part of side surface of each of the vanes.
摘要翻译： 叶片泵由可旋转地设置在附接到壳体的凸轮环中的转子组成，多个叶片可滑动地设置在形成在转子中的相应狭缝中，其中叶片在转子旋转时从狭缝突出 ，一对侧壁构件，其关闭所述凸轮环的两侧部分以形成由所述凸轮环和所述侧壁构件限定的空腔;多个环形背压凹槽，所述多个环形背压凹槽被压在所述侧壁构件的与所述转子的接触表面上 其中相邻的两个背压槽通过连通通道彼此连通，以将排出的压力引入每个狭缝的内端部，并且形成在侧壁构件的至少一个接触表面上的凹陷部 转子，其中凹部不与每个叶片的侧表面的一部分接触。
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公开(公告)号：US06648620B2
公开(公告)日：2003-11-18
申请号：US09993605
申请日：2001-11-27
IPC分类号： F04C200
CPC分类号： F04C2/3446 , F01C21/10 , F04C15/0049
摘要： A rotary pump apparatus includes a stator housing, a pump function component, at least two discharge ports, a ring shaped pressure chamber, an outflow passage and an interception wall. The pump function component is contained in the stator housing. The discharge ports discharge the operation fluid from the pump function component, and are opened into the ring shaped pressure chamber. The pressure chamber is formed in the stator housing and defined with an outer wall and an inner wall. The outflow passage is opened in the pressure chamber. The interception wall is formed in the pressure chamber by connecting one portion of the outer wall and one portion of the inner wall.
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3.发明授权Vane pump with a bypass valve and passage arrangement for equalizing excess fluid flow through dual suction passages 有权具有旁通阀和通道装置的叶片泵，用于使多余的流体流过双重吸入通道公开(公告)号：US06877961B2
公开(公告)日：2005-04-12
申请号：US10422785
申请日：2003-04-25
CPC分类号： F04C15/062 , F04C14/26
摘要： In a housing of a pump apparatus having a flow control valve to discharge a part of excess fluid in a deviated slanting way to a bypass pass 11, a pair of suction paths 19, 19′ is formed opposite to end portions 119, 119′ of the bypass path 11 to send operation fluid to suction ports of the pump apparatus. A dividing wall is equipped at opening portions of said pair of suction paths 19, 19′ to distribute the operation fluid to each of suction paths 19, 19′. A cross sectional area of one of said opening portions in a side of a direction of said deviated slanting way is smaller than a cross sectional area of the other of said opening portions in an opposite side of the deviated slanting way to relatively restrict a flow of said operation fluid in said one of opening portions.
摘要翻译： 在具有流量控制阀的泵装置的壳体中，其以偏斜的倾斜方式将一部分过量的流体排放到旁路通道11，一对吸入路径19,19'形成为相对于端部119,119'相对 旁路路径11将操作流体发送到泵装置的吸入口。 在所述一对吸入路19,19'的开口部设有分隔壁，以将操作流体分配到每个吸入路19,19'。 所述开口部分中的一个所述开口部分的横向方向的横截面面积小于所述偏离倾斜方向的相对侧中的另一个所述开口部分的横截面面积，以相对地限制 所述操作流体在所述一个开口部分中。
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公开(公告)号：US06877969B2
公开(公告)日：2005-04-12
申请号：US10819290
申请日：2004-04-07
IPC分类号： F04C2/344 , F01C21/08 , F04C18/344 , F04C18/00
CPC分类号： F04C18/3446 , F01C21/0863
摘要： Within an angular area where each vane of a vane pump having backpressure grooves is moved radially inwardly as the rotor rotates, the outer circumferential edge of the backpressure groove is indented toward the rotational axis of the rotor along a locus drawn by the radial innermost end of each vane so that the radial innermost end of each vane does not protrude radially inwardly beyond a predetermined distance from the indented part of the outer circumferential edge of the backpressure groove.
摘要翻译： 在具有背压槽的叶片泵的叶片的每个叶片在转子旋转时径向向内移动的角区域内，背压槽的外周边缘沿着由转子的径向最内端拉出的轨迹朝向转子的旋转轴线 每个叶片使得每个叶片的径向最内端不径向向内突出超过背压槽的外周边缘的凹陷部分的预定距离。
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公开(公告)号：US08143802B2
公开(公告)日：2012-03-27
申请号：US12393728
申请日：2009-02-26
申请人： Takeshi Takezawa , Kentaro Yamauchi
发明人： Takeshi Takezawa , Kentaro Yamauchi
CPC分类号： H05B41/2928 , Y02B20/208
摘要： A method for driving a discharge lamp that supplies an AC current to a discharge lamp having a first electrode and a second electrode so as to produce discharge and to cause the discharge lamp to emit light includes the steps of, during a steady operation in which the AC current is supplied to the first electrode and the second electrode, when power of the same amount is fed to the first and second electrodes, and a tip portion of the first electrode becomes higher than a tip portion of the second electrode in temperature, changing the duty ratio of the AC current to be supplied between the first electrode and the second electrode in accordance with a predetermined pattern, and setting a current value when the first electrode operates as an anode during one cycle so as to be smaller than a current value when the second electrode operates as an anode during one cycle.
摘要翻译： 一种用于驱动放电灯的方法，该放电灯向具有第一电极和第二电极的放电灯提供AC电流以便产生放电并使放电灯发光，包括以下步骤：在稳定操作期间， 当相同量的功率被供给到第一和第二电极时，AC电流被提供给第一电极和第二电极，并且第一电极的尖端部分的温度变得高于第二电极的尖端部分 根据预定图案在第一电极和第二电极之间提供的AC电流的占空比，并且当在一个周期期间第一电极作为阳极操作时设定电流值，使其小于电流值 当第二电极在一个周期期间作为阳极工作时。
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6.发明授权Driving method and driving device for discharge lamp, light source device, and image display device 有权放电灯，光源装置和图像显示装置的驱动方法和驱动装置公开(公告)号：US08102128B2
公开(公告)日：2012-01-24
申请号：US12404341
申请日：2009-03-16
IPC分类号： H05B41/36
CPC分类号： H05B41/2928
摘要： A driving method for a discharge lamp that lights by performing discharge between two electrodes while alternately switching a polarity of a voltage applied between the two electrodes includes: modulating an anode duty ratio, which is a ratio of an anode time for which one of the electrodes operates as an anode in one period of the polarity switching, by setting first and second periods with different anode duty ratios; and setting a first polarity switching period in the first period to be shorter than a second polarity switching period in the second period.
摘要翻译： 通过在两个电极之间交替地切换施加的电压的极性而在两个电极之间进行放电而点亮的放电灯的驱动方法包括：调制阳极占空比，该阳极占空比是电极之一 通过设置具有不同阳极占空比的第一和第二周期，在极性切换的一个周期中作为阳极工作; 以及将所述第一周期中的第一极性切换期间设定为短于所述第二期间的第二极性切换期间。
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7.发明授权Driving method and driving device for discharge lamp, light source device, and image display device 有权放电灯，光源装置和图像显示装置的驱动方法和驱动装置公开(公告)号：US08089214B2
公开(公告)日：2012-01-03
申请号：US12389648
申请日：2009-02-20
CPC分类号： H05B41/2928
摘要： A driving method for a discharge lamp that lights by performing discharge between two electrodes while alternately switching a polarity of a voltage applied between the two electrodes includes: modulating an anode duty ratio, which is a ratio of an anode time for which one of the electrodes operates as an anode in one period of the polarity switching, within a predetermined range; and changing the predetermined range to make a maximum value of the modulated anode duty ratio higher than a maximum value of an initial anode duty ratio of the discharge lamp when a predetermined condition is satisfied.
摘要翻译： 通过在两个电极之间交替地切换施加的电压的极性而在两个电极之间进行放电而点亮的放电灯的驱动方法包括：调制阳极占空比，该阳极占空比是电极之一 在极性切换的一个周期内作为阳极在预定范围内工作; 并且当满足预定条件时，改变预定范围以使调制的阳极占空比的最大值高于放电灯的初始阳极占空比的最大值。
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公开(公告)号：US08044602B2
公开(公告)日：2011-10-25
申请号：US12372370
申请日：2009-02-17
申请人： Kentaro Yamauchi , Takeshi Takezawa
发明人： Kentaro Yamauchi , Takeshi Takezawa
IPC分类号： H05B37/02
CPC分类号： H05B41/2888 , G03B21/20 , G03B21/2026 , Y02B20/202
摘要： A method for driving a discharge lamp that supplies an AC current to a discharge lamp having a first electrode and a second electrode so as to produce discharge and to cause the discharge lamp to emit light includes, during a steady operation in which the AC current is supplied to the discharge lamp, changing a difference between the absolute values of average current values for two polarities during one cycle of the AC current in accordance with a predetermined pattern.
摘要翻译： 一种用于驱动向具有第一电极和第二电极的放电灯提供AC电流以便产生放电并使放电灯发光的放电灯的方法包括：在AC电流为 提供给放电灯，根据预定图案，在AC电流的一个周期期间改变两个极性的平均电流值的绝对值之间的差。
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公开(公告)号：US08008868B2
公开(公告)日：2011-08-30
申请号：US12404340
申请日：2009-03-16
申请人： Kentaro Yamauchi
发明人： Kentaro Yamauchi
CPC分类号： H05B41/2886 , H05B41/3927 , Y02B20/202
摘要： In at least one embodiment of the disclosure a discharge lamp lighting apparatus includes a controller configured to control an AC conversion circuit to perform AC conversion control for controlling the timings at which a polarity of the discharge lamp driving AC current is reversed. The controller is configured to control the power control circuit to perform current control for controlling a magnitude of the DC current. The controller changes the accumulated energy supplied to each electrode of a discharge lamp in one cycle of the discharge lamp driving AC current in accordance with a periodic pattern. The periodic pattern includes a plurality of segmented periods during each of which the accumulated energy is maintained at a same level for a plurality of cycles of the discharge lamp driving AC current, and a level of the accumulated energy in at least two of the segmented periods differ from each other.
摘要翻译： 在本公开的至少一个实施例中，放电灯点亮装置包括控制器，其被配置为控制AC转换电路以执行AC转换控制，以控制放电灯驱动AC电流的极性反转的定时。 控制器被配置为控制功率控制电路以执行用于控制DC电流的大小的电流控制。 控制器根据周期性图案在放电灯驱动AC电流的一个周期内改变提供给放电灯的每个电极的累积能量。 周期性图案包括多个分段周期，在每个分段周期期间，对于放电灯驱动AC电流的多个周期，累积能量保持在相同电平，并且在至少两个分段周期中的累积能量水平 彼此不同
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公开(公告)号：US20100156313A1
公开(公告)日：2010-06-24
申请号：US12314901
申请日：2008-12-18
IPC分类号： H05B41/36
CPC分类号： H05B41/3928 , H05B41/2928 , Y02B20/202
摘要： A drive device that drives a discharge lamp including first and second electrodes includes a lighting circuit, a current control unit, a deformation detection unit, a current modulation unit, and a modulation enhancement unit. The lighting circuit supplies alternating current to the electrodes. The current control unit regulates the lighting circuit to control the alternating current. The deformation detection unit detects deformation of the surface shape of the electrodes. The current modulation unit modulates the controlled alternating current when the deformation is detected. The modulation enhancement unit increases a modulation ratio when the deformation is detected while modulating the alternating current.
摘要翻译： 驱动包括第一和第二电极的放电灯的驱动装置包括点亮电路，电流控制单元，变形检测单元，电流调制单元和调制增强单元。 照明电路向电极提供交流电。 电流控制单元调节照明电路以控制交流电流。 变形检测单元检测电极的表面形状的变形。 当检测到变形时，当前的调制单元调制受控的交流电流。 当调制交流电流时，调制增强单元增加检测到变形时的调制比。
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