B - Operations – Transporting – 60 – T
Patent
B - Operations, Transporting
60
T
B60T 13/135 (2006.01) B60T 8/44 (2006.01) B60T 13/46 (2006.01) B60T 17/02 (2006.01)
Patent
CA 2269141
A negative pressure control apparatus for a brake booster is provided which can always maintain a required negative pressure in a negative pressure chamber of the brake booster in a system including a direct-injection engine. The apparatus has a brake operation predicting part for predicting execution of a brake operation by a driver. When execution of a brake operation is predicted, negative pressure in the negative pressure chamber is controlled to be a required value.
Endo Hiroaki
Watanabe Ryochi
Yamada Yoshihisa
Borden Ladner Gervais Llp
Toyota Jidosha Kabushiki Kaisha
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