The master cylinder is a control device that converts physical pressure (commonly from a driver's foot) into hydraulic pressure to operate other device(s) in the hydraulic system. The most common automotive uses of master cylinders are in brake and clutch systems. The operated device in the clutch system is called the slave cylinder. In brake systems, the operated devices are brake calipers and/or wheel cylinders.
"Master Cylinder Hydraulic Fluid Flow Control Valve, Master Cylinder Provided with the Master Cylinder Hydraulic Fluid Flow Control Valve, and Brake Device Provided with Master Cylinder" in Patent App
Sep 08, 2012; By a News Reporter-Staff News Editor at Journal of Transportation -- A patent application by the inventors Takahashi, Toshiyuki...