| 摘要 |
PURPOSE: To prevent any offensive noise from occurring by making a check valve incorporable into a reservoir, in a device which connects a chamber of a vacuum pneumatic booster to be connected to a vacuum source via this check valve, to this vacuum source via a duct formed in a master cylinder. CONSTITUTION: An assembly composed of a vacuum pneumatic booster 1, a master cylinder 3 and a low pressure fluid reservoir 5 to be equipped in a braking device, converts a force, exerted on a brake pedal, into a fluid pressure supplying a brake cylinder by the master cylinder 3 after being intensified by the vacuum pneumatic booster 1 which has at least one chamber connected to a vacuum source via a check valve 30, and this chamber is being connected to the vacuum source via a duct 21 formed in the master cylinder 3. In this case, this check valve 30 is disposed in one end of a pipe 25 whose other end is hermetically connected to the duct 21. Subsequently, the check valve 30 and the pipe 25 are made so as to be built in the reservoir 5. |
