VEHICLE BRAKE DEVICE

To prevent a reduction in brake force after lowering pressing force of a hydraulic drive system in a brake device mounted with both the hydraulic drive system and a mechanical drive system.SOLUTION: When shifting brake force from hydraulic system pressing force H with a hydraulic drive system to mec...

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Bibliographische Detailangaben
1. Verfasser: HIRAMATSU YUKIO
Format: Patent
Sprache:eng ; jpn
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Zusammenfassung:To prevent a reduction in brake force after lowering pressing force of a hydraulic drive system in a brake device mounted with both the hydraulic drive system and a mechanical drive system.SOLUTION: When shifting brake force from hydraulic system pressing force H with a hydraulic drive system to mechanical system pressing force M with a mechanical drive system, a vehicle brake device reduces the hydraulic system pressing force H according to an increase in the mechanical system pressing force M. Thus, concurrent progression of an increase in the mechanical system pressing force M and a reduction in the hydraulic system pressing force H prevents total pressing force T, brake force, from being reduced.SELECTED DRAWING: Figure 2 【課題】液圧駆動系と機械駆動系を備えたブレーキ装置において、液圧駆動系による押圧力を減少させた後のブレーキ力の低下を抑制する。【解決手段】ブレーキ力を液圧駆動系による液圧系押圧力Hから機械駆動系による機械系押圧力Mに移行する際、機械系押圧力Mの増加に応じて、液圧系押圧力Hを減少させる。機械系押圧力Mの増加と液圧系押圧力Hの減少が並行して進行するため、総押圧力T、すなわちブレーキ力の低下が抑制される。【選択図】図2