HYDRAULIC BRAKE SYSTEM
HYDRAULIC BRAKE SYSTEM
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PROBLEM TO BE SOLVED: To reduce the work of a worker when air in a reaction force chamber of a master cylinder is reduced.SOLUTION: A reservoir shut-off valve 86 between a reaction force chamber 62 and a reservoir 52 is brought into an open state, and a pressure-reducing valve 172 is brought into an open state. A pressurizing piston 34 is moved forward by a back surface hydraulic pressure control device 28. Although air in the reaction force chamber 62 is made to flow out to the reservoir 52 with a hydraulic fluid, the pressure-reducing valve 172 is in the open state, so that a stroke of the pressurizing piston 34 can be made large. Work for bringing a breeder plug of a brake cylinder into the open state is not needed, so that the work of a worker can be reduced, accordingly.SELECTED DRAWING: Figure 5
【課題】マスタシリンダの反力室のエアを低減させる場合に作業者の作業を軽減する。【解決手段】反力室６２とリザーバ５２との間のリザーバ遮断弁８６が開状態とされ、減圧弁１７２が開状態とされるとともに、背面液圧制御装置２８により加圧ピストン３４が前進させられる。反力室６２のエアが作動液とともにリザーバ５２に流出させられるが、減圧弁１７２が開状態にあるため、加圧ピストンの３４ストロークを大きくすることができる。また、ブレーキシリンダのブリーダプラグを開状態にする作業が不要となるため、その分、作業者の作業を軽減させることができる。【選択図】図５
Document information
HYDRAULIC BRAKE SYSTEM
液圧ブレーキシステム
2017-05-18
Patent
Electronic Resource
Japanese
| IPC: | B60T Bremsanlagen für Fahrzeuge oder Teile davon , VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF |
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