DELIVERY PUMP FOR BRAKE GEAR

PURPOSE: To secure a steady feed flow by constituting a stroke chamber which has a plunger that can go and return toward an axial direction freely so as to connect with a compensation member through a pressure duct and drive a compensation piston of the compensation member toward the plunger when th...

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1. Verfasser: HAINTSU JIIGERU
Format: Patent
Sprache:eng
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Zusammenfassung:PURPOSE: To secure a steady feed flow by constituting a stroke chamber which has a plunger that can go and return toward an axial direction freely so as to connect with a compensation member through a pressure duct and drive a compensation piston of the compensation member toward the plunger when the compensation piston is in noncycle. CONSTITUTION: A feed pump has an axis 3 which is rotated by an electric motor 2 and provided with eccentric bodies E1, E2 at its periphery. Plungers of each pump members 4, 6 which connect with the first and second brake circuits are reciprocated by a rotation of the eccentric body E1 and exhales a liquid which is sucked in a cylindrical stroke chamber 18. A compensation piston of each compensation members 5, 7 which is connected with the stroke chamber 18 of each pump members 4, 6 through a pressure duct 8 is reciprocated by a rotation of the eccentric body E2. And a master cylinder and a solenoid valve are connected with these pressure ducts and an outlet of the solenoid valve is connected with a wheel cylinder and a suction side of the pump member 4.