초록 ▼

An improved braking system includes a valving arrangement which permits reduction of deadband regardless of a randomly selectable piston home position or permits adjustment of the deadband. The system includes a fluid reservoir, a piston located in a cylinder including a reservoir port, a first flui

An improved braking system includes a valving arrangement which permits reduction of deadband regardless of a randomly selectable piston home position or permits adjustment of the deadband. The system includes a fluid reservoir, a piston located in a cylinder including a reservoir port, a first fluid channel connecting the reservoir to the reservoir port, a brake actuator, and a second fluid channel connecting the cylinder to the brake actuator. The piston is moveable within the cylinder to produce fluid flow within the first channel. A first valve is disposed between the reservoir and the cylinder to prevent fluid flow from the cylinder to the reservoir when the piston is moved to pressurize fluid in the second fluid channel.

대표청구항 ▼

[ What is claimed is:] [4.] A hydraulic fluid pressurization system comprising:a fluid reservoir;a housing defining a cylinder including a first end and a second end, the housing including a valve seat adjacent a reservoir port located generally at the second end of the cylinder and in fluid communi

[ What is claimed is:] [4.] A hydraulic fluid pressurization system comprising:a fluid reservoir;a housing defining a cylinder including a first end and a second end, the housing including a valve seat adjacent a reservoir port located generally at the second end of the cylinder and in fluid communication with the reservoir;a piston moveable within the cylinder between the first and second ends; anda first valve disposed between the reservoir and the cylinder to prevent fluid flow from the cylinder to the reservoir when the piston is moved to pressurize fluid in the cylinder, the first valve moving against the valve seat to close the reservoir port in response to movement of the piston;an outlet port located generally at the second end of the cylinder configured to supply fluid from the cylinder to a brake actuator; anda fluid return port located generally at the second end of the cylinder configured to return fluid from the brake actuator to the cylinder.