IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
UP-0423050
(2006-06-08)
|
등록번호 |
US-7669609
(2010-04-21)
|
발명자
/ 주소 |
- Hansen, III, Charles C.
- Guldberg, Eric J.
|
출원인 / 주소 |
- Parker-Hannifin Corporation
|
대리인 / 주소 |
|
인용정보 |
피인용 횟수 :
2 인용 특허 :
12 |
초록
▼
A universal valve for refrigeration systems including an investment-cast, stainless-steel valve body, a piston and one of a plurality of an anodized aluminum adapter plates. Each adapter plate configured to be removed and replaced with another to operate the valve to perform a different function. Th
A universal valve for refrigeration systems including an investment-cast, stainless-steel valve body, a piston and one of a plurality of an anodized aluminum adapter plates. Each adapter plate configured to be removed and replaced with another to operate the valve to perform a different function. The investment-cast, stainless steel valve body includes an inlet and an outlet which each include a flangeless distal end configured, as cast, with an unmachined, weldable rim for integration without mechanical connections in a leak-free configuration.
대표청구항
▼
What is claimed is: 1. A valve for integration into a refrigeration system, the valve comprising: an investment-cast, stainless-steel valve body, an investment-cast, stainless steel piston and an adapter plate; the adapter plate comprising a planar bottom surface and a plurality of openings formed
What is claimed is: 1. A valve for integration into a refrigeration system, the valve comprising: an investment-cast, stainless-steel valve body, an investment-cast, stainless steel piston and an adapter plate; the adapter plate comprising a planar bottom surface and a plurality of openings formed in the bottom surface for communication with the main body when the adapter plate is removably connected to the investment-cast stainless-steel valve body; the investment-cast, stainless steel piston comprising an upper seal configured to engage a main body bore defined in the investment-cast, stainless-steel valve body and a lower seal configured to engage a main valve port which facilitates flow control of a refrigeration fluid; the investment-cast, stainless steel valve body comprising a main body, an inlet and an outlet; the main body comprising the main body bore generally centrally located, an inlet pressure port and an outlet pressure port, wherein the inlet pressure port provides operative communication between the inlet and the adapter plate and the outlet pressure port provides operative communication between the adapter plate and the outlet; so that the adapter plate functions to control movement of the investment-cast, stainless steel piston with respect to the main valve port; wherein the investment-cast, stainless-steel piston includes a skirt portion and the main body bore includes a web having a distal end configured to intermittently engage the skirt to guide movement of the piston; wherein the inlet and outlet each comprise a respective flangeless distal end configured, as cast, with an unmachined, weldable rim for integration without mechanical connections in a leak-free configuration. 2. The valve as recited in claim 1, wherein the investment-cast, stainless steel piston comprises a seat for receiving the lower seal defined by a retainer groove having a keyed undercut and a seat lip, wherein the seat lip is crimped after fitting the lower seal into the seat. 3. The valve as recited in claim 1, wherein the investment-cast, stainless steel piston comprises a distal end adjacent the lower seal configured with a parabolic shape and having a roughened exterior surface which defines a tortured path between the main body and the distal end. 4. The valve as recited in claim 1, wherein the upper and lower seals are formed from a material including polytetrafluoroethylene. 5. The valve as recited in claim 1, wherein the adapter plate may be removed and replaced with another adapter plate to cause the valve to perform a different function. 6. The valve as recited in claim 1, wherein the distal end has a surface finish approximately between approximately 16 and 32 rms. 7. The valve as recited in claim 1, wherein the skirt portion has a surface finish approximately between approximately 16 and 32 rms. 8. The valve as recited in claim 1, wherein the main body bore has a surface finish approximately between approximately 16 and 32 rms. 9. The valve as recited in claim 1, wherein the adapter plate is formed from a material selected from the group consisting of anodized aluminum, zinc-plated ductile cast iron and a high-strength plastic. 10. The valve as recited in claim 9, wherein the high-strength plastic is formed from a material selected from the group consisting of polysulfone blends, polyphenylsulfone, polyethersulfone, polyamides and polyamide-imide. 11. The valve as recited in claim 1, wherein a biasing element is disposed between the adapter plate and the investment-cast stainless steel piston to normally bias the investment-cast stainless steel piston away from the adapter plate. 12. The valve as recited in claim 1, wherein a biasing element is disposed between the web and the investment-cast stainless steel piston to normally bias the investment-cast stainless steel piston away from the web. 13. The valve as recited in claim 1, the adapter plate further comprising a pilot solenoid valve plunger that is selectively contiguous with a seat orifice to control a flow of a refrigeration fluid from a main body bore in the valve body through the seat orifice to the outlet wherein the pilot solenoid valve plunger comprises an armature including a through-bore and an enlarged bore at a distal end with an annular groove formed therein, a seat plug including a conical end and an opposed mounting end having a bore defined by an internal surface and an external surface with an annular rib and a ball seated within the bore to secure the seat plug to the armature such that the conical end is selectively contiguous with the seat orifice. 14. The valve as recited in claim 1, the adapter plate further comprising an investment-cast, stainless-steel pilot regulator bonnet including an unmachined longitudinal groove cast therein configured to engage a pin connected to a spring follower to prevent rotation of the spring follower during movement thereof. 15. A universal valve for integration into a refrigeration system, the universal valve comprising: an investment-cast, stainless-steel valve body, a piston and one of a plurality of adapter plates, each separate adapter plate configured to be removably connected to the investment-cast, stainless-steel valve body and to operate the valve to perform a different function; each adapter plate comprising a planar bottom surface and a plurality of openings formed in the bottom surface for communication with the main body; the piston comprising an upper seal configured to engage a main body bore defined in the investment-cast, stainless-steel valve body and a lower seal configured to engage a main valve port which facilitates flow control of a refrigeration fluid; the investment-cast, stainless steel valve body comprising a main body, an inlet and an outlet; the main body comprising the main body bore generally centrally located, an inlet pressure port and an outlet pressure port, wherein the inlet pressure port provides operative communication between the inlet and the adapter plate and the outlet pressure port provides operative communication between the adapter plate and the outlet; so that the adapter plate may function to control movement of the investment-cast, stainless steel piston with respect to the main valve port; wherein the inlet and outlet each comprise a respective flangeless distal end configured, as cast, with an unmachined, weldable rim for integration without mechanical connections in a leak-free configuration. 16. The universal valve as recited in claim 15, wherein the investment-cast, stainless steel piston comprises a seat for receiving the lower seal defined by a retainer groove having a keyed undercut and a seat lip, wherein the seat lip is crimped after fitting the lower seal into the seat. 17. The universal valve as recited in claim 15, wherein the investment-cast, stainless steel piston comprises a distal end adjacent the lower seal configured with a parabolic shape and having a roughened exterior surface which defines a tortured path between the main body and the distal end. 18. The universal valve as recited in claim 15, wherein the upper lower seals are formed from a material including polytetrafluoroethylene. 19. The universal valve as recited in claim 15, wherein the anodized aluminum adapter plate may be removed and replaced with another anodized aluminum adapter plate to cause the valve to perform a different function. 20. The universal valve as recited in claim 15, wherein the investment-cast, stainless-steel piston includes a skirt portion and the main body bore includes a web having a distal end configured to intermittently engage the skirt to guide movement of the piston. 21. The universal valve as recited in claim 20, wherein the distal end has a surface finish approximately between approximately 16 and 32 rms. 22. The universal valve as recited in claim 20, wherein the skirt portion has a surface finish approximately between approximately 16 and 32 rms. 23. The universal valve as recited in claim 20, wherein the main body bore has a surface finish approximately between approximately 16 and 32 rms. 24. The universal valve as recited in claim 15, wherein the different function is a function selected from the group consisting of manually open, manually close, manually adjustable throttling expansion, electrically open by pilot gas solenoid orifice, electrically close by pilot gas solenoid orifice, check valve, pilot gas closing suction valve, pilot gas opening discharge valve, pilot gas closing and opening valve, inlet pressure regulator, outlet pressure regulator, differential pressure regulator, pilot electric shut-off for pressure regulators, pilot electric wide-opening for pressure regulators, flow-regulator, sealed linear motor operated valve, stepper motor reset pressure regulator, pneumatic signal reset pressure regulator, strainer, pilot operated atmospheric relief valve, temperature pilot operated valve, thermal expansion superheat control valve, motor reset pressure regulator, evaporator level control, and condenser level control. 25. The universal valve as recited in claim 15, wherein the adapter plate is formed from a material selected from the group consisting of anodized aluminum, zinc-plated ductile cast iron and a high-strength plastic. 26. The universal valve as recited in claim 25, wherein the high-strength plastic is formed from a material selected from the group consisting of polysulfone blends, polyphenylsulfone, polyethersulfone, polyamides and polyamide-imide. 27. The universal valve as recited in claim 15, wherein a biasing element is disposed between the adapter plate and the investment-cast stainless steel piston to normally bias the investment-cast stainless steel piston away from the adapter plate. 28. The universal valve as recited in claim 20, wherein a biasing element is disposed between the web and the investment-cast stainless steel piston to normally bias the investment-cast stainless steel piston away from the web. 29. A valve for integration into a refrigeration system, the valve comprising: a valve body, an investment-cast, stainless steel piston and an anodized aluminum adapter plate; the anodized aluminum adapter plate comprising a planar bottom surface and a plurality of openings formed in the bottom surface for communication with the main body when the anodized aluminum adapter plate is removably connected to the valve body; the investment-cast, stainless steel piston comprising an upper seal configured to engage a main body bore defined in the valve body and a lower seal configured to engage a main valve port which facilitates flow control of a refrigeration fluid, the valve body comprising a main body, an inlet and an outlet; the main body comprising the main body bore generally centrally located, an inlet pressure port and an outlet pressure port, wherein the inlet pressure port provides operative communication between the inlet and the anodized aluminum adapter plate and the outlet pressure port provides operative communication between the anodized aluminum adapter plate and the outlet; so that the anodized aluminum adapter plate functions to control movement of the investment-cast, stainless steel piston with respect to the main valve port; wherein the inlet and outlet each comprise a respective flangeless distal end configured, as cast, with an unmachined, weldable rim for integration without mechanical connections in a leak-free configuration. 30. The valve as recited in claim 29, wherein the investment-cast, stainless steel piston comprises a seat for receiving the lower seal defined by a retainer groove having a keyed undercut and a seat lip, wherein the seat lip is crimped after fitting the lower seal into the seat. 31. The valve as recited in claim 29, wherein the investment-cast, stainless steel piston comprises a distal end adjacent the lower seal configured with a parabolic shape and having a roughened exterior surface which defines a tortured path between the main body and the distal end. 32. The valve as recited in claim 29, wherein the upper and lower seals are formed from a material including polytetrafluoroethylene. 33. The valve as recited in claim 29, wherein the anodized aluminum adapter plate may be removed and replaced with another adapter plate to cause the valve to perform a different function. 34. The valve as recited in claim 29, wherein the investment-cast, stainless-steel piston includes a skirt portion and the main body bore includes a web having a distal end configured to intermittently engage the skirt to guide movement of the piston. 35. The valve as recited in claim 34, wherein the distal end has a surface finish approximately between approximately 16 and 32 rms. 36. The valve as recited in claim 34, wherein the skirt portion has a surface finish approximately between approximately 16 and 32 rms. 37. The valve as recited in claim 34, wherein the main body bore has a surface finish approximately between approximately 16 and 32 rms. 38. The valve as recited in claim 29, wherein the valve body is formed from a material selected from the group consisting of investment-cast stainless steel, permanent-molded, epoxy-coated machined steel and zinc-plated machined steel. 39. The valve as recited in claim 29, wherein a biasing element is disposed between the anodized aluminum adapter plate and the investment-cast stainless steel piston to normally bias the investment-cast stainless steel piston away from the anodized aluminum adapter plate. 40. The valve as recited in claim 34, wherein a biasing element is disposed between the web and the investment-cast stainless steel piston to normally bias the investment-cast stainless steel piston away from the web.
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