Master cylinder

Details Master cylinder Master cylinder

1999-03-01

2000-11-07

Look, Edward K.

Power plants

Pressure fluid source and motor

Pulsator

60591, B60T 1120

Patent

active

06141963&

ABSTRACT:
There is provided a master cylinder in which a large quantity of working fluid can be supplied rapidly, the air bleeding takes less time in the manufacturing process, and satisfactory performance can be provided when traction control is operated. For the master cylinder MC, a first supply passage 19 for supplying a working fluid from a working fluid reservoir to a pressure chamber 9 through a working fluid supply port 20a, supply passages 22, 23 and 24, and a working fluid supply port 5b formed in a piston 5, a second supply passage 50 is formed in parallel with the first supply passage directly between the working fluid supply port 20a and the pressure chamber 9, and a check valve 51 is disposed in the second supply passage 50. When the pressure in the pressure chamber 9 is lower than the pressure of the working fluid reservoir, the check valve 51 is opened, thereby allowing the working fluid to flow to the pressure chamber 9, and when the pressure in the first pressure chamber 9 is higher than the pressure of the working fluid reservoir, the check valve 51 is closed, thereby inhibiting the flow of the working fluid from the pressure chamber 9 to the working fluid reservoir.

REFERENCES:
patent: 5438833 (1995-08-01), Ishihara

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