To improve brake performance of a brake operation unit with a simple structure.SOLUTION: A brake operation unit (100) includes: a master cylinder (3); a gear pump device (2) which has a gear pump (27), a motor (7) which rotationally drives the gear pump (27), a cylinder top (22) which holds a rotary shaft (24), and a passage (22c) provided so as to lead from a seal chamber (22a) to the outside and compresses the master cylinder (3); a common housing (1) which houses the master cylinder (3) and the gear pump device (2); a suction pipe (4) which connects a reservoir (8) with a suction port (23a) of the gear pump (27); and a connection pipe (5) which is provided at the housing (1) and connects the reservoir (8) with the passage (22c). The suction pipe (4) and the connection pipe (5) are provided independently of each other and are connected to the reservoir (8) without using the master cylinder (3).SELECTED DRAWING: Figure 2


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    Title :

    ブレーキ操作ユニット


    Publication date :

    2024-02-28


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    IPC:    B60T Bremsanlagen für Fahrzeuge oder Teile davon , VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF