Patent ID: 6158823
Filing Date: 2000-12-12
Classification: B60T

Abstract:
Towed vehicle brake actuation system for a vehicle being towed by a motor home, said towed vehicle brake actuation system comprising:a) a vacuum level sensor and switch,b) a vacuum pump which is electrically controlled by said vacuum level sensor and switch,c) a cylinder with a rod that can be extended or retracted by atmospheric pressure when a vacuum is induced into said cylinder, said rod being connectable to a brake pedal of a towed vehicle so said rod can exert force to actuate or retract said brake pedal, andd) an electrically operated vacuum valve that, when connected to said cylinder, can induce a vacuum within said cylinder as required to permit atmospheric pressure to extend or retract said rod of said cylinder,wherein said vacuum pump is in fluid communications with said valve and said cylinder and with a brake booster of the towed vehicle, andwherein said vacuum level sensor and switch, said vacuum pump, said cylinder, and said electrically operated vacuum valve are installed in said vehicle being towed by said motor home.