| 摘要 |
The present invention relates to a balance valve. The balance valve comprises: a valve body comprising a first and a second passage which are separated by a partition wall and penetrates therethrough in parallel with each other, and a first and a second valve sheet disposed on one sides of inner circumferential surfaces of the first and the second passage and directed in opposite directions; a valve member disposed on the first and the second passage to open and close the first and the second valve sheet; a first and a second spring to elastically support the valve member; a first cover blocking one end of the valve body to support the other end of the first spring, and having a first pipeline communicating with the first and the second passage to be connected to a common rail; and a second cover blocking the other end of the valve body to support the other end of the second spring, and having a second pipeline communicating with the first and the second passage to be connected to a fuel tank. The present invention can allow a backflow of fuel while supplying the fuel through the first and the second passage. |
