公开(公告)号：US20010006306A1

公开(公告)日：2001-07-05

申请号：US09736440

申请日：2001-01-08

申请人： Toyota Jidosha Kabushiki Kaisha

发明人： Kazunori Kagawa ,  Kimihiro Matsuki ,  Tetsuya Miyazaki ,  Fumiaki Kawahata ,  Akihiro Otomo ,  Eiji Nakamura

IPC分类号： B60T013/66 ,  B60T013/68 ,  B60T013/70 ,  B60T013/72

CPC分类号： B60T8/4081 ,  B60T8/367 ,  B60T8/441 ,  B60T8/94 ,  B60T13/686 ,  B60T2270/602 ,  B60T2270/603 ,  B60T2270/613

摘要： A braking pressure control apparatus including a first pressure source including a power-operated pressurizing device, a second pressure source operable by a manually operable brake operating member to pressurize a fluid to a pressure higher than a level corresponding to the operating force of the brake operating member, a switching device for selectively placing the braking system in a first state in which a brake cylinder is operated with the fluid pressurized by the first pressure source and a second state in which the brake cylinder is operated with the fluid pressurized by the second pressure source, and a change restricting device operable upon a switching between the first and second states, to restrict a change of the operating state of the brake operating member and a change of the brake cylinder pressure, which change take place due to the switching, or a switching control device for controlling the switching device on the basis of the running condition of a vehicle whose wheel is braked by the braking pressure.

摘要翻译： 一种制动压力控制装置，包括：第一压力源，包括动力加压装置;第二压力源，其由手动操作的制动操作构件操作，以将流体加压到高于对应于所述制动器操作力的水平的压力 构件，用于选择性地将所述制动系统置于第一状态的开关装置，在所述第一状态中，利用由所述第一压力源加压的流体操作所述制动缸;以及第二状态，在所述第二状态下，所述制动缸在被所述第二压力加压的流体 源和变化限制装置，其可在第一和第二状态之间切换时操作，以限制制动操作构件的操作状态的改变和由于切换而发生变化的制动缸压力的变化，或 切换控制装置，用于根据车辆的行驶状况来控制切换装置 el被制动压力制动。