B - Operations – Transporting – 60 – T
Patent
B - Operations, Transporting
60
T
B60T 8/64 (2006.01) B60T 8/42 (2006.01)
Patent
CA 2173527
A vehicle brake cylinder pressure control apparatus wherein an amount of fluid flow into a reservoir is estimated based on vehicle deceleration and a pressure reducing time of the brake cylinder, while an amount of fluid flow from the reservoir is estimated based on a pumping time during which the fluid is pumped up from the reservoir by a pump, and the vehicle deceleration or an operating speed of a pump motor, so that an amount of the fluid stored in the reservoir is estimated on the basis of the amount of fluid flow into and from the reservoir. Various parameters may be used in place of the vehicle deceleration, pumping time and motor operating speed, for estimating the amounts of the fluid flow into and from the reservoir and the reservoir fluid amount.
Aizawa Hideyuki
Soga Masayuki
Uchida Kiyoyuki
Borden Ladner Gervais Llp
Toyota Jidosha Kabushiki Kaisha
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