Automatic release valve for a bumper spring
An automatic release valve assembly for a bumper spring, comprising a hollow cylindrical valve seat sleeve having a plurality of flow ports and flow passages disposed in the sidewalls thereof; a valve ball sized to engage by contact with a robust valve seat; a multiple coil spring disposed over the sleeve portion of the valve seat sleeve; wherein the valve seat sleeve, ball, and coil spring are enclosed within a hollow cylindrical housing. The housing includes within its bore a central region of a plurality of parallel, elongated and interleaved grooves and ridges to permit released fluid to flow and to stabilize the operation of the valve assembly.
1. An automatic release valve assembly for a bumper spring, comprising:
a hollow cylindrical valve seat sleeve having a head end and a tail end with a valve seat formed at the head end and a sleeve portion formed at the tail end of the valve seat sleeve;
a valve ball sized to engage by contact with the valve seat;
a multiple coil spring disposed over the sleeve portion of the valve seat sleeve; and
a cylindrical housing formed with a bore therethrough for enclosing the assembly of the valve seat sleeve, the valve ball, and the multiple coil spring; wherein
the housing includes a plurality of parallel, grooved flow passages disposed within its internal bore; and wherein
the housing further includes first and second threaded ends thereof for engaging connecting threads respectively of a bumper spring cage and a bumper spring hold down.
2. The assembly of claim 1 , wherein:
the head end of the valve seat sleeve includes a plurality of flow ports formed in a sidewall thereof; and
the sleeve portion of the valve seat sleeve includes a plurality of flow passages formed in a sidewall thereof.
3. The assembly of claim 2 , wherein:
the number of flow ports formed in the head end of the valve seat sleeve is three; and
the number of flow passages formed in the sleeve portion of the valve seat sleeve is six.
4. The assembly of claim 1 , wherein:
the valve seat is formed to a profile that matches the spherical shape of the valve ball.
5. The assembly of claim 1 , wherein:
the multiple coil spring is a wave spring having a plurality of uniform coils formed to provide a predetermined spring constant.
6. The assembly of claim 1 , wherein:
at least four parallel grooved flow passages are disposed within the internal bore of the housing.
7. The assembly of claim 1 , wherein:
the first end of the cylindrical housing comprises an external thread for connection with a bumper spring cage.
8. The assembly of Claim 1 , wherein:
the second end of the cylindrical housing comprises an internal thread for connection with a bumper spring hold down device.
9. An automatic release valve assembly for a bumper spring, comprising:
a hollow cylindrical valve seat sleeve having a head end and a valve seat formed at the head end and including at least three flow ports formed in a sidewall thereof, and a tail end having a sleeve portion formed at the tail end of the valve seat sleeve, wherein the sleeve portion of the valve seat sleeve includes at least six flow passages formed in a sidewall thereof;
a valve ball sized to engage by contact with the valve seat;
a multiple coil spring disposed over the sleeve portion of the valve seat sleeve; and
a cylindrical housing formed with a bore therethrough for enclosing the assembly of the valve seat sleeve, the valve ball, and the multiple coil spring; wherein
the housing includes, disposed within its internal bore, a plurality of parallel, elongated and grooved flow passages interleaved with ridges formed within the internal bore; and wherein
the housing further includes first and second threaded ends thereof for engaging connecting threads respectively of a bumper spring cage and a bumper spring hold down.
10. The assembly of claim 9 , wherein:
the valve seat is formed to a profile that matches the spherical shape of the valve ball.
11. The assembly of claim 9 , wherein:
the multiple coil spring is a wave spring having a plurality of uniform coils formed to provide a predetermined spring constant.
12. The assembly of claim 9 , wherein:
at least four parallel grooved flow passages are disposed within the internal bore of the housing.
13. The assembly of claim 9 , wherein:
the first end of the cylindrical housing comprises an external thread for connection with a Bumper spring cage.
14. The assembly of claim 9 , wherein:
the second end of the cylindrical housing comprises an internal thread for connection with a bumper spring hold down device.