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1. 发明专利

JP2013194698A Vane pump 审中-公开
标题翻译：叶片泵
公开(公告)号：JP2013194698A
公开(公告)日：2013-09-30
申请号：JP2012065742
申请日：2012-03-22
申请人： Kyb Co Ltd , カヤバ工業株式会社
发明人： AKATSUKA KOICHIRO , FUJITA TOMOYUKI , SUGIHARA MASAMICHI , KATO FUMIYASU
IPC分类号： F04C2/344 , F04C15/00 , F04C15/06
摘要： PROBLEM TO BE SOLVED: To accelerate an increase in pump discharge pressure at the start of a vane pump.SOLUTION: A balanced type vane pump 1 includes: a check valve 70 that is opened with respect to a flow of a working fluid discharged from a first discharge port 32 to a high-pressure chamber 35; a back-pressure communication path 93 that prevents the working fluid pressure generated in a pump chamber 7 in a second discharge region in which vanes 3 do not fall into slits 8 at a start from being relieved to a suction side (suction passage 25) while making a second suction side back-pressure port 63 communicate with a second discharge side back-pressure port 64. The pump projects the vanes 3 from the slits 8 in a second suction region.
摘要翻译：要解决的问题：加速叶片泵启动时的泵排出压力的增加。解决方案：平衡式叶片泵1包括：止回阀70，其相对于从第一排出口32到高压室35; 一个背压连通路径93，其防止在第一排放区域中的泵室7中产生的工作流体压力，其中叶片3在开始处不会落入狭缝8中，从而被释放到吸入侧（吸入通道25），同时使第二吸入侧背压端口63与第二排出侧背压端口64连通。泵将第二吸入区域中的叶片3从狭缝8突出。

2. 发明专利

JP2013194653A Variable displacement vane pump 有权
标题翻译：可变位移帆泵
公开(公告)号：JP2013194653A
公开(公告)日：2013-09-30
申请号：JP2012064133
申请日：2012-03-21
申请人： Kyb Co Ltd , カヤバ工業株式会社
发明人： AKATSUKA KOICHIRO , FUJITA TOMOYUKI , SUGIHARA MASAMICHI , KATO FUMIYASU
IPC分类号： F04C14/22 , F04C2/344
CPC分类号： F04C14/226 , F04C2/3442 , F04C14/223 , F04C28/24
摘要： PROBLEM TO BE SOLVED: To provide a variable displacement vane pump in which responsiveness that a discharge capacity is increased is secured.SOLUTION: A variable displacement vane pump 100 includes: a first fluid pressure chamber 31 and a second fluid pressure chamber 32 with a rocking fulcrum C of a cam ring 4 defined as a boundary therebetween; and a control valve 21 that controls the driving pressure of a working fluid guided from a pump chamber 7 to the second fluid pressure chamber 32. The suction pressure of the working fluid sucked into the pump chamber 7 is always guided to the first fluid pressure chamber 31. The cam ring 4 is rocked in a direction that the discharge capacity is reduced by pressure in the pump chamber 7 acting on an inner peripheral cam surface 4a during the operation in which the driving pressure is reduced while the cam ring 4 is rocked in a direction that the discharge capacity is increased during the operation in which the driving pressure is increased.
摘要翻译：要解决的问题：提供一种可变排量叶片泵，其中确定了放电容量增加的响应性。解决方案：可变排量叶片泵100包括：第一流体压力室31和具有摇摆的第二流体压力室32 凸轮环4的支点C定义为它们之间的边界; 以及控制从泵室7向第二流体压力室32引导的工作流体的驱动压力的控制阀21.吸入泵室7的工作流体的吸入压力总是被引导到第一流体压力室凸轮环4沿着驱动压力减小的操作期间在泵室7中作用在内周凸轮表面4a上的压力减小的方向摇摆，同时凸轮环4摇动在驱动压力增加的操作期间放电容量增加的方向。

3. 发明专利

JP2013194601A Variable displacement vane pump 有权
标题翻译：可变位移帆泵
公开(公告)号：JP2013194601A
公开(公告)日：2013-09-30
申请号：JP2012062309
申请日：2012-03-19
申请人： Kyb Co Ltd , カヤバ工業株式会社
发明人： FUJITA TOMOYUKI , SUGIHARA MASAMICHI , AKATSUKA KOICHIRO , KATO FUMIYASU
IPC分类号： F04C2/344
CPC分类号： F04C14/223 , F04C2/344 , F04C14/08 , F04C14/10 , F04C14/226 , F04C15/06 , F04C15/062 , F04C18/344 , F04C2250/10 , F04C2250/101
摘要： PROBLEM TO BE SOLVED: To prevent a variable displacement vane pump from being cavitated by a cam ring.SOLUTION: In a variable displacement vane pump 100, a discharge capacity of a pump chamber 7 is varied by changing the eccentric amount of a cam ring 4 with respect to a rotor 2. In an intake port 15, a port inner wall surface 15C is formed which extends along an inner peripheral cam surface 4A of the cam ring 4 when the cam ring 4 is moved in a direction where the eccentric amount of the cam ring 4 with respect to the rotor 2 is enlarged.
摘要翻译：要解决的问题：防止可变排量叶片泵被凸轮环气蚀。解决方案：在可变排量叶片泵100中，通过改变凸轮环4的偏心量来改变泵室7的排出能力相对于转子2.在进气口15中，当凸轮环4沿着凸轮环4的偏心量的方向移动时，形成有沿着凸轮环4的内周凸轮面4A延伸的端口内壁面15C 凸轮环4相对于转子2增大。

4. 发明专利

JP2013087751A Vane pump 审中-公开
标题翻译：叶片泵
公开(公告)号：JP2013087751A
公开(公告)日：2013-05-13
申请号：JP2011231861
申请日：2011-10-21
申请人： Kyb Co Ltd , カヤバ工業株式会社
发明人： FUJITA TOMOYUKI , SUGIHARA MASAMICHI , AKATSUKA KOICHIRO , KATO FUMIYASU
IPC分类号： F04C2/344 , F04C15/06
CPC分类号： F04C2/344 , F04C2/3446 , F04C15/066 , F04C15/068 , F04C2270/701
摘要： PROBLEM TO BE SOLVED: To provide a vane pump, in which pump delivery pressure is prevented from escaping to a suction side at start-up.SOLUTION: This vane pump 1 is used as a hydraulic pressure supply source, and includes a plurality of delivery ports 32 and 34 for guiding a working fluid delivered from a pump room 7 contracting in response to rotation of a rotor 2, a delivery passage 35 for merging the working fluid guided from these delivery ports 32 and 34, and a check valve 60 to be opened for a flow of the working fluid delivered to the delivery passage 35 from the one delivery port 32.
摘要翻译：要解决的问题：提供一种叶片泵，其中在启动时防止泵输送压力逸出到吸入侧。解决方案：该叶片泵1用作液压供应源，并且包括多个输送口32和34，用于引导响应于转子2的旋转而收缩的泵室7输送的工作流体，用于将从这些输送口32和34引导的工作流体合流的输送通道35以及从一个输送口32输送到输送通道35的工作流体的流动被打开的止回阀60.版权所有：（C）2013，JPO＆INPIT

5. 发明专利

JP2013079592A Vane pump 有权
标题翻译：叶片泵
公开(公告)号：JP2013079592A
公开(公告)日：2013-05-02
申请号：JP2011219301
申请日：2011-10-03
申请人： Kyb Co Ltd , カヤバ工業株式会社
发明人： SUGIHARA MASAMICHI , FUJITA TOMOYUKI , AKATSUKA KOICHIRO
IPC分类号： F04C2/344 , F04C15/00
CPC分类号： F04C2/344 , F01C21/0836 , F01C21/0863 , F01C21/108 , F04C2/3446 , F04C2240/20 , F04C2240/801
摘要： PROBLEM TO BE SOLVED: To provide a vane pump, where the distributions of fluid pressures each occurring on a side having a vane ring of a rotor and on the opposite side thereof are equal.SOLUTION: The vane pump 1 used for a fluid pressure supply source includes: the vane ring 61 that faces a base end of a vane 3; a vane ring housing chamber 60 to which one end 5a of a slit 5 is open and that houses the vane ring 61; and a pressure chamber 20 which is on the side opposite the vane ring to which the another end 5b of the slit 5 is open and that applies fluid pressure in a direction where the rotor 2 is pressed to the vane ring 61 side.
摘要翻译：要解决的问题：提供一种叶片泵，其中每个发生在具有转子的叶片环并且在其相对侧的侧面上的流体压力的分布相等。解决方案：用于流体压力供应源的叶片泵1包括：叶片环61，其面向叶片3的基端; 叶片环容纳室60，狭缝5的一端5a敞开并容纳叶片环61; 以及压力室20，其与狭缝5的另一端部5b打开的叶片环相对的一侧，并且将转子2压向叶片环61侧的方向施加流体压力。版权所有（C）2013，JPO＆INPIT

6. 发明专利

JP2013194697A Vane pump 有权
标题翻译：叶片泵
公开(公告)号：JP2013194697A
公开(公告)日：2013-09-30
申请号：JP2012065733
申请日：2012-03-22
申请人： Kyb Co Ltd , カヤバ工業株式会社
发明人： FUJITA TOMOYUKI , SUGIHARA MASAMICHI , AKATSUKA KOICHIRO , KATO FUMIYASU
IPC分类号： F04C2/344 , F04C15/06
摘要： PROBLEM TO BE SOLVED: To provide a vane pump capable of suppressing increase in drive loss caused by a check valve which opens/closes a discharge port.SOLUTION: A vane pump used as a fluid pressure supply source includes a check valve 70 which is opened with respect to the flow of a hydraulic fluid discharged from a discharge port 32 to a high pressure chamber 35. The check valve 70 includes: a valve element 71 which is abutted on a back surface 37 where the discharge port 32 is opened in a side plate 30, and closes the discharge port 32; a plurality of pins 81 protruding from a back surface 74 of the valve element 71; a guide hole 11 which is formed to be opened while facing the high pressure chamber 35 and into which the pins 81 are inserted in a freely slidable manner; and a spring (energizing means) 82 which is accommodated in the high pressure chamber 35 and presses the valve element 71 to the side plate 30.
摘要翻译：要解决的问题：提供一种能够抑制由打开/关闭排出口的止回阀引起的驱动损失增加的叶片泵。解决方案：用作流体压力供应源的叶片泵包括打开的止回阀70 相对于从排出口32排出到高压室35的液压流体的流动。止回阀70包括：阀元件71，其抵靠在排出口32侧的开口侧的背面37 板30，并且关闭排出口32; 从阀元件71的后表面74突出的多个销81; 引导孔11，其形成为在面向高压室35的同时打开，销81以可自由滑动的方式插入其中; 以及容纳在高压室35中并将阀元件71压向侧板30的弹簧（通电装置）82。

7. 发明专利

JP2013019374A Vane pump 有权
标题翻译：叶片泵
公开(公告)号：JP2013019374A
公开(公告)日：2013-01-31
申请号：JP2011154655
申请日：2011-07-13
申请人： Kyb Co Ltd , カヤバ工業株式会社
发明人： FUJITA TOMOYUKI , SUGIHARA MASAMICHI , AKATSUKA KOICHIRO
IPC分类号： F04C2/344 , F04C15/06
摘要： PROBLEM TO BE SOLVED: To provide a vane pump, in which a pump discharge pressure is promptly increased without using a plate member for applying resistance to working oil flowing in a discharge pressure chamber at the operation.SOLUTION: The vane pump 1 used as a fluid pressure source includes: a suction pressure chamber 51 for guiding hydraulic fluid thereof to a pump chamber 7 which expands; a discharge pressure chamber 18 for guiding the hydraulic fluid discharged from the pump chamber 7 which contracts to a fluid pressure supplied destination (hydraulic equipment 14); and back pressure passages 20 and 25 for guiding a hydraulic fluid pressure generated in the pump chamber 7 which contracts to a vane back pressure chamber 6 while the hydraulic fluid pressure short-circuits the discharge pressure chamber 18.
摘要翻译：要解决的问题：提供一种叶片泵，其中在不使用用于对在操作中在排出压力室中流动的工作油施加阻力的板构件的情况下迅速增加泵排出压力。解决方案：用作流体压力源的叶片泵1包括：用于将其液压流体引导到膨胀的泵室7的吸入压力室51; 排出压力室18，用于引导从泵室7排出的液压流体，其收缩到流体压力供给的目的地（液压设备14）; 和背压通道20和25，用于引导在液压流体压力使排出压力室18短路的同时向叶片背压室6收缩的泵室7中产生的液压流体压力。（C） 2013年，JPO＆INPIT

8. 发明专利

JP2012092654A Vane pump 有权
标题翻译：叶片泵
公开(公告)号：JP2012092654A
公开(公告)日：2012-05-17
申请号：JP2010237920
申请日：2010-10-22
申请人： Kyb Co Ltd , カヤバ工業株式会社
发明人： AKATSUKA KOICHIRO , NADE RYUJI
IPC分类号： F04C2/344 , F04C15/00
CPC分类号： F04C2/00 , F01C21/0863 , F04C2/3446
摘要： PROBLEM TO BE SOLVED: To provide a vane pump that can quickly raise pump discharge pressure.SOLUTION: The vane pump 1 used as a fluid pressure supply source includes: a plurality of back pressure chambers 6 defined between a vane 3 and a slit 5; a plurality of back pressure grooves 55 to 58 which communicate with the back pressure chambers 6 associated with the rotation of the vane 2; and a plurality of communication grooves 61 to 64 which make the back pressure grooves 55 to 58 adjoining each other with respect to the rotational circumferential direction communicate with each other. An area of a passage cross section of the communication groove 61 connected to the back pressure groove 55 which is located in a region above a horizontal line H passing through the rotation center of a rotor 2 and in a suction region is formed larger than that of a passage cross section of the communication groove 62 connected to the back pressure groove 57 which is located in a region below the horizontal line H passing through the rotation center of the rotor 2 and in the suction region.
摘要翻译：要解决的问题：提供可以快速提高泵排出压力的叶片泵。解决方案：用作流体压力供应源的叶片泵1包括：限定在叶片3和狭缝5之间的多个背压室6; 多个背压槽55至58，其与与叶片2的旋转相关联的背压室6连通; 并且使相对于旋转圆周方向彼此邻接的背压槽55〜58的多个连通槽61〜64相互连通。与位于通过转子2的旋转中心的水平线H上方的区域和吸入区域中的与背压槽55连接的连通槽61的通道横截面的区域形成为大于连接槽62的通道横截面，该连通槽62位于通过转子2的旋转中心的水平线H下方的区域和吸入区域中的背压槽57上。版权所有（C）2012，JPO＆INPIT

9. 发明专利

JP2011026997A Variable displacement vane pump 审中-公开
标题翻译：可变位移帆泵
公开(公告)号：JP2011026997A
公开(公告)日：2011-02-10
申请号：JP2009171949
申请日：2009-07-23
申请人： Kyb Co Ltd , カヤバ工業株式会社
发明人： FUJITA TOMOYUKI , SUGIHARA MASAMICHI , AKATSUKA KOICHIRO , NADE RYUJI
IPC分类号： F04C2/344 , F04C14/22 , F04C15/00
摘要： PROBLEM TO BE SOLVED: To provide a variable displacement vane pump which prevents variation of fictional force of a seal material by a rocking position of a cam ring.
SOLUTION: The variable displacement vane pump 1 includes a pin 13 supporting the cam ring 20 so as to be rocked, and the seal material 14 slidably abutted to the cam ring 20 and partitioning a first fluid pressure chamber 31 and a second fluid pressure chamber 32. A seal surface 22 to which the seal material 14 is slidably abutted is provided on part of the outer peripheral surface 25 of the cam ring 20, and the seal surface 22 is formed in an arc-like curve surface centered on the pin 13.
COPYRIGHT: (C)2011,JPO&INPIT

10. 发明专利

JP2013204497A Vane ring, and manufacturing method thereof 有权
标题翻译： VANE环及其制造方法
公开(公告)号：JP2013204497A
公开(公告)日：2013-10-07
申请号：JP2012073925
申请日：2012-03-28
申请人： Kyb Co Ltd , カヤバ工業株式会社
发明人： AKATSUKA KOICHIRO , FUJITA TOMOYUKI , SUGIHARA MASAMICHI , KATO FUMIYASU
IPC分类号： F04C2/344 , F04C15/00
摘要： PROBLEM TO BE SOLVED: To provide a vane ring manufacturing method capable of lowering processing cost of a vane ring.SOLUTION: A method of manufacturing a vane ring 20 which supports tails 4b of vanes 4 of a vane pump, includes a step of shaping a rod 21 into a ring, and a step of adjacently placing two ends 21a and 21b of the rod 21 and forming a gap section 22 having a gap smaller than a thickness of the vanes 4.
摘要翻译：要解决的问题：提供一种能够降低叶片环的加工成本的叶片环制造方法。解决方案：一种制造支撑叶片泵的叶片4的尾部4b的叶片环20的制造方法，包括：杆21插入环中，并且相邻地放置杆21的两个端部21a和21b并形成具有小于叶片4的厚度的间隙的间隙部分22的步骤。

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