Patent ID: 7296594

Claim:
A valve assembly for use in connection with a hydrostatic transmission having a first fluid side and a second fluid side, the valve assembly comprising: a valve body having an opening between the first fluid side and the second fluid side; a cage mounted in the valve body; a check poppet located in the valve body and comprising a first end having a first opening formed therein, a second end having a second opening formed therein and an internal volume, where the check poppet is movable between a first position where it is engaged to and closes the valve body opening and a second position where it is disengaged from the valve body opening; a check compression spring mounted in the cage and engaged to the second end of the check poppet, whereby the check compression spring biases the check poppet to the first, engaged position; a valve member located in the internal volume of the check poppet, the valve member being movable between a first position where it is engaged to and closes the first opening of the check poppet and a second position where it is disengaged from the first opening of the check poppet; and a neutral valve spring engaged to the valve member to bias the valve member to the second, disengaged position.