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公开(公告)号：US06709242B2
公开(公告)日：2004-03-23
申请号：US10095502
申请日：2002-03-11
IPC分类号： F04B4900
CPC分类号： F04C14/226
摘要： In a variable displacement pump, a pressurizing cylinder is provided on an opposite side of the first fluid pressure chamber, holding the cam ring there between, and a piston inserted to the pressurizing cylinder collides with the cam ring. An oil chamber of the pressurizing cylinder is interposed in a pump discharge side passage, and wherein a pressure in an upstream side of the main throttle provided in the pump discharge side passage is introduced to the first fluid pressure chamber and the oil chamber of the pressurizing cylinder, and a pressure in a downstream side of the main throttle is introduced to the second fluid pressure chamber.
摘要翻译： 在可变排量泵中，加压缸设置在第一流体压力室的相对侧上，将凸轮环保持在其间，并且插入加压缸的活塞与凸轮环相撞。 加压缸的油室插入泵排出侧通道中，其中设置在泵排出侧通道中的主节气门的上游侧的压力被引入到第一流体压力室和加压缸的油室 并且主节气门的下游侧的压力被引入第二流体压力室。
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公开(公告)号：US06616419B2
公开(公告)日：2003-09-09
申请号：US10091947
申请日：2002-03-06
IPC分类号： F04B4900
CPC分类号： F04C14/226
摘要： In a variable displacement pump, a pressurizing cylinder is provided in an opposite side of the first fluid pressure chamber, holding the cam ring there between, and a piston inserted to the pressurizing cylinder collides with the cam ring. A pressure in an upstream side of both throttle passages comprising the variable throttle passage and the fixed throttle passage provided in the pump discharge side passage is introduced to the first fluid pressure chamber and the oil chamber of the pressurizing cylinder, and a pressure in a downstream side of the both throttle passages is introduced to the second fluid pressure chamber.
摘要翻译： 在可变排量泵中，加压缸设置在第一流体压力室的相对侧，将凸轮环保持在其间，并且插入加压缸的活塞与凸轮环相撞。 在包括可变节流通道和设置在泵排出侧通道中的固定节流通道的两个节流通道的上游侧的压力被引入到加压缸的第一流体压力室和油室以及下游的压力 两个节流通道的一侧被引入第二流体压力室。
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