| 摘要 |
The present invention includes: a valve main body which is installed between an injection pipe and a discharge pipe of a pump housing and includes a supply hole unit; a valve seat which is installed in the supply hole unit and has a through hole unit; a plunger which is installed towards the through hole unit to be movable to open or close the through hole unit; a case which is combined to the valve main body at a certain interval to be connected to the injection pipe and the discharge pipe and supports the plunger to be movable; an interval support unit which supports the valve main body for the discharge pipe and the valve main body to maintain the interval; a lip seal which is placed between the valve main body and the discharge pipe and prevents a working fluid from penetrating even if the through hole unit is open; a filtering unit which is installed between the injection pipe and the discharge pipe and filters out foreign substances included in the working fluid; and a cover unit which maintains the interval between the filtering unit and the valve main body for the working fluid passing through the gap between the valve main body and the discharge pipe to pass through the filtering unit. |
