VALVE SEAL MEMBER AND VALVE

• US 20090272928A1
• Filed: 09/26/2006
• Published: 11/05/2009
• Est. Priority Date: 09/26/2006
• Status: Active Grant

• Current Assignee: FAS Medic SA (IMI PLC)
• Original Assignee: Fluid Automation Systems S.A. (IMI PLC)
• Inventors: Sirdey, Pierre, Alvarez, Raphael
• Granted Patent: US 8,613,425 B2
• Time in Patent Office: Days
• US Class Current: 251/318
• CPC Class Codes: F16K 11/044 with movable valve members positioned between valve seats
• CPC Class Codes: F16K 27/0263 multiple way valves
• CPC Class Codes: Y10T 137/8667 Reciprocating valve
• CPC Class Codes: Y10T 137/86879 Reciprocating valve unit
• CPC Class Codes: Y10T 137/87692 With common valve operator

Abstract

The valve (100) comprises a valve body (101), a valve seat insert (103) assembled to the valve body (101), and a valve seal member (120) compressively assembled to and sealing to both the valve body (101) and the valve seat insert (103), with the valve seal member (120) including one or more port apertures (202).

Claims

1. A valve (100), comprising:

a valve body (101);

a valve seat insert (103) assembled to the valve body (101); and

a valve seal member (120) compressively assembled to and sealing to both the valve body (101) and the valve seat insert (103), with the valve seal member (120) including one or more port apertures (202).

2. The valve (100) of claim 1, with the valve seal member (120) being formed of an at least partially flexible material.

3. The valve (100) of claim 1, with the valve seal member (120) being formed of an at least partially elastic material.

4. The valve (100) of claim 1, with the valve seal member (120) further comprising one or more tongue projections (140) that are configured to fit to one or more corresponding depressions (141) in the vale seat insert (103).

5. A valve seal member (120), comprising:

a port interface portion (201) including one or more port apertures (202);

a seal portion (211) including an upper seal portion (213a) adapted to encompass an upper valve seat (105a) and a lower seal portion (213b) adapted to encompass a lower valve seat (105b); and

a duct (207) connecting a port aperture (202b) of the one or more port apertures (202) to the seal portion (211).

6. The valve seal member (120) of claim 5, with the valve seal member (120) being formed of an at least partially flexible material.

7. The valve seal member (120) of claim 5, with the valve seal member (120) being formed of an at least partially elastic material.

8. The valve seal member (120) of claim 5, with the valve seal member (120) further comprising one or more tongue projections (140) that are configured to fit to one or more corresponding depressions (141) in the vale seat insert (103).

9. The valve seal member (120) of claim 5, with the upper seal portion (213a) including a deformable portion (224a) and with the lower seal portion (213b) including a deformable portion (224b).

10. The valve seal member (120) of claim 5, with the valve seal member (120) further comprising a valve poppet (116) positioned between the upper seal portion (213a) and the lower seal portion (213b).

11. The valve seal member (120) of claim 5, with the valve seal member (120) further comprising a valve poppet (116) positioned between the upper seal portion (213a) and the lower seal portion (213b), with the valve poppet (116) including a actuator member receptacle (226) that is adapted to receive at least a portion of a valve actuator member (115).

12. The valve seal member (120) of claim 5, further comprising:

a lip (222a) formed on the upper seal portion (213a);

a lip (222b) formed on the lower seal portion (213b); and

a retainer (130) comprising;

an upper ring (133a) adapted to retain the upper seal portion (213a) to an upper valve interior surface, with the upper ring (133a) including a step (134a) that receives the lip (222a) of the upper seal portion (213a);

a lower ring (133b) adapted to retain the lower seal portion (213b) to a lower valve interior surface, with the lower ring (133b) including a step (134b) that receives the lip (222b) of the lower seal portion (213b); and

one or more joiners (137) extending between the upper ring (133a) and the lower ring (133b).

13. A valve seal member (120), comprising:

a port interface portion (201) including one or more port apertures (202);

a seal portion (211) including an upper seal portion (213a) adapted to encompass an upper valve seat (105a) and a lower seal portion (213b) adapted to encompass a lower valve seat (105b;

a lip (222a) formed on the upper seal portion (213a);

a lip (222b) formed on the lower seal portion (213b);

a duct (207) connecting a port aperture (202b) of the one or more port apertures (202) to the seal portion (211); and

a retainer comprising;

an upper ring (133a) adapted to retain the upper seal portion (213a) to an upper valve interior surface, with the upper ring (133a) including a step (134a) that receives the lip (222a) of the upper seal portion (213a);

a lower ring (133b) adapted to retain the lower seal portion (213b) to a lower valve interior surface, with the lower ring (133b) including a step (134b) that receives the lip (222b) of the lower seal portion (213b); and

one or more joiners (137) extending between the upper ring (133a) and the lower ring (133b).

14. The valve seal member (120) of claim 13, with the valve seal member (120) being formed of an at least partially flexible material.

15. The valve seal member (120) of claim 13, with the valve seal member (120) being formed of an at least partially elastic material.

16. The valve seal member (120) of claim 13, with the valve seal member (120) further comprising one or more tongue projections (140) that are configured to fit to one or more corresponding depressions (141) in the vale seat insert (103).

17. The valve seal member (120) of claim 13, with the upper seal portion (213a) including a deformable portion (224a) and with the lower seal portion (213b) including a deformable portion (224b).

18. The valve seal member (120) of claim 13, with the valve seal member (120) further comprising a valve poppet (116) positioned between the upper seal portion (213a) and the lower seal portion (213b).

19. The valve seal member (120) of claim 13, with the valve seal member (120) further comprising a valve poppet (116) positioned between the upper seal portion (213a) and the lower seal portion (213b), with the valve poppet (116) including a actuator member receptacle (226) that is adapted to receive at least a portion of a valve actuator member (115).

20. A valve (100), comprising:

a valve body (101) including an upper valve seat (105a) and an upper seal channel (106a);

a valve seat insert (103) assembled to the valve body (101), with the valve seat insert (103) including a lower valve seat (105b) and a lower seal channel (106b); and

a valve seal member (120) assembled to and sealing to the valve body (101) and the valve seat insert (103), with the valve seal member (120) comprising;

a port interface portion (201) including one or more port apertures (202);

a seal portion (211) including an upper seal portion (213a) that

encompasses the upper valve seat (105a) and fits to the upper seal channel (106a) and a lower seal portion (213b) that encompasses the lower valve seat (105b) and fits to the lower seal channel (106b); and

a duct (207) connecting a port aperture (202b) of the one or more port apertures (202) to the seal portion (211).

21. The valve (100) of claim 20, with the valve seal member (120) being formed of an at least partially flexible material.

22. The valve (100) of claim 20, with the valve seal member (120) being formed of an at least partially elastic material.

23. The valve (100) of claim 20, with the valve seal member (120) further comprising one or more tongue projections (140) that are configured to fit to one or more corresponding depressions (141) in the vale seat insert (103).

24. The valve (100) of claim 20, with the upper seal portion (213a) including a deformable portion (224a) and with the lower seal portion (213b) including a deformable portion (224b).

25. The valve (100) of claim 20, with the valve seal member (120) further comprising a valve poppet (116) positioned between the upper seal portion (213a) and the lower seal portion (213b).

26. The valve (100) of claim 20, with the valve seal member (120) further comprising a valve poppet (116) positioned between the upper seal portion (213a) and the lower seal portion (213b), with the valve poppet (116) including a actuator member receptacle (226) that is adapted to receive at least a portion of a valve actuator member (115).

27. The valve (100) of claim 20, with the valve seal member (120) further comprising:

a lip (222a) formed on the upper seal portion (213a);

a lip (222b) formed on the lower seal portion (213b); and

a retainer (130) comprising;

an upper ring (133a) configured to retain the upper seal portion (213a) in the upper seal channel (106a), with the upper ring (133a) including a step (134a) that receives the lip (222a) of the upper seal portion (213a);

a lower ring (133b) configured to retain the lower seal portion (213b) in the lower seal channel (106b), with the lower ring (133b) including a step (134b) that receives the lip (222b) of the lower seal portion (213b); and

one or more joiners (137) extending between the upper ring (133a) and the lower ring (133b).