• 专利标题: PRESSURE BALANCING SYSTEM FOR MASTER CYLINDERS OF BRAKING SYSTEMS AND OPERATING METHOD THEREOF
  • 申请号: US15774510
    申请日: 2016-12-09
  • 公开(公告)号: US20200247377A1
    公开(公告)日: 2020-08-06
  • 发明人: Leonardo Cadeddu
  • 申请人: VHIT S.p.A.
  • 申请人地址: IT Offanengo
  • 专利权人: VHIT S.p.A.
  • 当前专利权人: VHIT S.p.A.
  • 当前专利权人地址: IT Offanengo
  • 优先权: com.zzzhc.datahub.patent.etl.us.BibliographicData$PriorityClaim@413ff770
  • 国际申请: PCT/IB2016/057487 WO 20161209
  • 主分类号: B60T11/21
  • IPC分类号: B60T11/21
PRESSURE BALANCING SYSTEM FOR MASTER CYLINDERS OF BRAKING SYSTEMS AND OPERATING METHOD THEREOF
摘要:
A pressure balancing system for a pair of tandem master cylinders. Each tandem master cylinder includes a primary plunger, a secondary plunger, a primary chamber, a secondary chamber and a secondary preload sub-assembly, comprising a secondary preload pin and a secondary preload case. The pressure balancing system comprises a primary balancing system and a secondary balancing system. The primary balancing system includes a primary balancing duct establishing communication of a primary balancing channel with the master cylinder at a region occupied by the secondary plunger when the latter is in an initial rest position, and a primary balancing O-ring forming a primary balancing valve between the primary balancing duct and the primary chamber. The secondary balancing system comprises a secondary balancing duct formed within the secondary preload pin and a second end ending with at least one radial hole, and a secondary balancing O-ring fixed to the secondary preload case.
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