Reservoir tank for vehicle brake system

A reservoir tank for use in a vehicle brake system including a master cylinder and/or a hydraulic pressure booster, said reservoir tank comprising a tank body having a fluid chamber therein and formed with an inlet/outlet port adapted to be brought into communication with the master cylinder or the hydraulic pressure booster, and a hydraulic fluid supply port, said inlet/outlet port communicating with said hydraulic fluid supply port through said fluid chamber, and being oriented such that any hydraulic fluid passing through said inlet/outlet port toward said fluid chamber is directed toward said hydraulic fluid supply port, said reservoir tank including a deflector provided in said fluid chamber for deflecting hydraulic fluid discharged from said inlet/outlet port so that a major portion of the hydraulic fluid passing through the inlet/outlet port toward the hydraulic fluid supply port is deflected by the deflector so as not to be directed toward said hydraulic fluid supply port;

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• wherein said deflector comprises a cylindrical member extending upwardly from the inner surface of said tank body and having an internal passage communicating with said inlet/outlet port so that hydraulic fluid passing through said inlet/outlet port enters the internal passage before entering the fluid chamber, and a deflector plate fitted in said cylindrical member, said deflector plate being formed with holes along the outer circumference thereof, whereby hydraulic fluid discharged through said inlet/outlet port is deflected laterally by hitting against the central portion of said deflector plate, and flows through said holes out of said cylindrical member.

A reservoir tank for use in a vehicle brake system including a master cylinder and/or a hydraulic pressure booster, said reservoir tank comprising a tank body having a fluid chamber therein and formed with an inlet/outlet port adapted to be brought into communication with the master cylinder or the hydraulic pressure booster, and a hydraulic fluid supply port, said inlet/outlet port communicating with said hydraulic fluid supply port through said fluid chamber, and being oriented such that any hydraulic fluid passing through said inlet/outlet port toward said fluid chamber is directed toward said hydraulic fluid supply port, said reservoir tank including a deflector provided in said fluid chamber for deflecting hydraulic fluid discharged from said inlet/outlet port so that a major portion of the hydraulic fluid passing through the inlet/outlet port toward the hydraulic fluid supply port is deflected by the deflector so as not to be directed toward said hydraulic fluid supply port;

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• wherein said deflector is a tubular member provided on the inner surface of said tank body, said tubular member having an internal passage communicating with said inlet/outlet port so that hydraulic fluid passing through said inlet/outlet port enters the internal passage before entering the fluid chamber, said tubular member having an opening communicating with fluid chamber, said opening being oriented such that hydraulic fluid discharged through said opening will not be directed toward said hydraulic fluid supply port.

A reservoir tank for use in a vehicle brake system including a master cylinder and/or a hydraulic pressure booster, said reservoir tank comprising a tank body having a fluid chamber therein and formed with an inlet/outlet port adapted to be brought into communication with the master cylinder or the hydraulic pressure booster, and a hydraulic fluid supply port, said inlet/outlet port communicating with said hydraulic fluid supply port through said fluid chamber, and being oriented such that at least a portion of an imaginary continuation of the inlet/outlet port passes through the hydraulic fluid supply port, said reservoir tank including a deflector provided in said fluid chamber for deflecting hydraulic fluid discharged from said inlet/outlet port so that a major portion of the hydraulic fluid passing through the inlet/outlet port toward the hydraulic fluid supply port is deflected by the deflector so as not to be directed toward said hydraulic fluid supply port, said imaginary continuation of the inlet/outlet port passing through the deflector;

• wherein said deflector comprises a cylindrical member extending upwardly from an inner surface of said tank body and having an internal passage communicating with said inlet/outlet port so that hydraulic fluid passing through said inlet/outlet port enters the internal passage before entering the fluid chamber, and a deflector plate fitted in said cylindrical member, said deflector plate being formed with holes along the outer circumference thereof, whereby hydraulic fluid discharged through said inlet/outlet port is deflected laterally by hitting against the central portion of said deflector plate, and flows through said holes out of said cylindrical member.

A reservoir tank for use in a vehicle brake system including a master cylinder and/or a hydraulic pressure booster, said reservoir tank comprising a tank body having a fluid chamber therein and formed with an inlet/outlet port adapted to be brought into communication with the master cylinder or the hydraulic pressure booster, and a hydraulic fluid supply port, said inlet/outlet port communicating with said hydraulic fluid supply port through said fluid chamber, and being oriented such that at least a portion of an imaginary continuation of the inlet/outlet port passes through the hydraulic fluid supply port, said reservoir tank including a deflector provided in said fluid chamber for deflecting hydraulic fluid discharged from said inlet/outlet port so that a major portion of the hydraulic fluid passing through the inlet/outlet port toward the hydraulic fluid supply port is deflected by the deflector so as not to be directed toward said hydraulic fluid supply port, said imaginary continuation of the inlet/outlet port passing through the deflector;

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• wherein said deflector is a tubular member provided on the inner surface of said tank body, said tubular member having an internal passage communicating with said inlet/outlet port so that hydraulic fluid passing through said inlet/outlet port enters the internal passage before entering the fluid chamber, said tubular member having an opening communicating with fluid chamber, said opening being oriented such that hydraulic fluid discharged through said opening will not be directed toward said hydraulic fluid supply port.