Patent ID: 6280006
Filing Date: 2001-08-28
Classification: B60T

Abstract:
A brake hydraulic control device for use in a vehicle, comprising:a master cylinder with a first reservoir attached thereto;a second reservoir different from said first reservoir;drive wheel control valve means switching communication and cut-off between a drive wheel brake and said master cylinder as well as communication and cut-off between said drive wheel brake and said second reservoir;driven wheel control valve means switching communication and cut-off between a driven wheel brake and said master cylinder as well as communication and cut-off between said driven wheel brake and said second reservoir;a pump having a discharge port connected between said drive wheel control valve means and said drive wheel brake, and a suction port connected to said master cylinder through an open/close switch valve and to said second reservoir;parallel pipes for operational fluid to flow (i) from said master cylinder to said drive wheel brake and (ii) said master cylinder through said pump to said drive wheel brake; anda pipe for operation fluid to flow from said master cylinder to said driven wheel brake but bypassing the pump.