Brake device for motor vehicle, has brake amplifier comprising chamber connected to depression generating device by check valve, where check valve forms sub assembly provided with air filter that is placed in upstream of valve

摘要

The device has a brake amplifier comprising two chambers subjected to depression and separated by a movable membrane that applies assistance force on a master brake cylinder. One of the chambers is connected to a depression generating device by a circular check valve (41). The check valve forms a circular sub assembly provided with an air filter (60), where the air filter is placed in upstream of the valve. The sub assembly has a box (46) closed by a cover (42).