| 摘要 |
A circulating system for hydraulic brakes having a master cylinder, reservoir for supplying fluid to the master cylinder, a wheel cylinder, and a fluid line connecting the master cylinder with the wheel cylinder. The circulating system includes a pump connected in a fluid line from the reservoir to the bleedoff port of the wheel cylinder. A check valve is connected between the pump and wheel cylinder to allow flow only in the direction from the wheel cylinder to the master cylinder. The pressure exerted by the pump is insufficient to cause braking. The check valve allows conventional braking by the master cylinder while the pump maintains a supply of fluid.
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