• Patent Title: Vehicle brake system and method for increasing brake pressure in a first wheel brake cylinder and limiting brake pressure in a second wheel brake cylinder of a vehicle brake system
  • Application No.: US17047809
    Application Date: 2019-04-11
  • Publication No.: US11884254B2
    Publication Date: 2024-01-30
  • Inventor: Shuichi MiyagawaJochen BodmannYasutaka Nagakura
  • Applicant: Robert Bosch GmbH
  • Applicant Address: DE Stuttgart
  • Assignee: Robert Bosch GmbH
  • Current Assignee: Robert Bosch GmbH
  • Current Assignee Address: DE Stuttgart
  • Agency: Norton Rose Fulbright US LLP
  • Agent Gerard A. Messina
  • Priority: DE 2018206566.7 2018.04.27
  • International Application: PCT/EP2019/059189 2019.04.11
  • International Announcement: WO2019/206647A 2019.10.31
  • Date entered country: 2020-10-15
  • Main IPC: B60T8/40
  • IPC: B60T8/40 B60T8/44 B60T8/48
Vehicle brake system and method for increasing brake pressure in a first wheel brake cylinder and limiting brake pressure in a second wheel brake cylinder of a vehicle brake system
Abstract:
A vehicle brake system and method for increasing the brake pressure in a first wheel brake cylinder and for limiting the brake pressure in a second wheel brake cylinder of a vehicle brake system. The method includes increasing a first brake pressure in the first wheel brake cylinder by controlling/holding a wheel inlet valve in its open state and controlling/holding a first wheel outlet valve in its closed state, and limiting an increase of a second brake pressure in the second wheel brake cylinder during the transfer of brake fluid into the first wheel brake cylinder by controlling/holding a second wheel inlet valve in its closed state and controlling a second wheel outlet valve into its open state. The second wheel outlet valve is controlled with a pulse width-modulated signal so that during the transfer of brake fluid, the second wheel outlet valve is permanently in its open state.
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