Servo-braking unit for motor vehicle

The reaction transmission unit (33) of the brake booster comprises a parallel combination of a first and a second reaction transmission path, each transmitting a braking reaction from the reaction disc (35) to the valve lifter (17). The first reaction path includes a preloaded spring (40), and the s...

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Bibliographische Detailangaben
Hauptverfasser: SATOH, TOHRU, HIGASHIMATSUYAMA, SAITAMA, JP, WATANABE, MAKOTO, HIGASHIMATSUYAMA, SAITAMA, JP, SHINGYOJI, SHIGEO, YOKOHAMA, KANAGAWA, JP, KONISHI, MASARU, YOKOHAMA, KANAGAWA, JP
Format: Patent
Sprache:eng ; ger
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Zusammenfassung:The reaction transmission unit (33) of the brake booster comprises a parallel combination of a first and a second reaction transmission path, each transmitting a braking reaction from the reaction disc (35) to the valve lifter (17). The first reaction path includes a preloaded spring (40), and the second reaction path includes a visco-elastic element (41). A pusher plate (34) is located between the reaction disc and reaction transmission unit, and the first reaction transmission path has a first holder installed against the valve lifter, and a second holder installed against the pusher plate. The spring is located between the first and second holders, and the visco-elastic element is installed between the pusher plate and front end face of the valve lifter.