[특허]Cartridge valve and manifold assembly

Numatics, Incorporated

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특허 상세정보

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Cartridge valve and manifold assembly

특허상세정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	F16K-031/02
미국특허분류(USC)	251/129.15; 403/361; 403/381
출원번호	US-0906231 (2007-10-01)
등록번호	US-8267375 (2012-09-18)
발명자 / 주소	LaHousse, Shane Villegas, Gustavo
출원인 / 주소	Numatics, Incorporated
대리인 / 주소	Reising Ethington P.C.
인용정보	피인용 횟수 : 0 인용 특허 : 8

초록

A cartridge valve and valve manifold assembly having a valve manifold with at least one valve receptacle for threadlessly receiving and seating a cartridge valve. A threadless valve nose engages the cartridge valve with the manifold to provide an increased diameter central orifice for improved fluid flow.

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1. A cartridge valve assembly comprising: an outer valve body;a solenoid coil assembly for actuating a moveable plunger between an open and closed position;a valve seal seated about said outer valve body for being sealingly and removably secureable to a valve receptacle in a valve manifold;said valve seal being a conformant material and constructed to both seal against normal outer and exerting pressures encountered by said outer valve body and to frictionally retain said outer valve seal in a seated position against said outer and exerting pressures; said conformant material allows manually pulling of said body out of said valve receptacle such that said outer valve body is removable from said valve receptacle;a threadless valve nose seat positioned within the radial confines of said valve seal;said outer valve body having a first valve opening and a second valve opening both within the radial confines of said valve seal with said second valve opening extending straight through the threadless valve nose seat and said first valve opening positioned between said threadless valve nose seat and said valve seal and having an outlet facing the same direction as an axial end of the threadless valve nose seat;said moveable plunger operable between a closed position to abut said threadless valve nose seat to close off said first opening from said second opening and an open position away from said valve nose seat to allow flow between said first valve opening and said second valve opening; andsaid valve seal being a sealing gasket for a threadless seal connection to said valve manifold. 2. A valve manifold for seating a plurality of cartridge valves comprising: a plurality of valve receptacles each having an open end for receiving and seating a respective cartridge valve;said valve receptacle having an inner valve seat surrounding a passage facing the open end and a second passage also facing the open end placed outside of said inner valve seat;said valve receptacle having an annular wall shaped to engage and lock a cartridge valve in place in said receptacle against normal fluid pressure in said manifold;said annular wall surrounds both of said passages; andsaid annular wall being made from a material with a degree of yieldably resilient elasticity to deform to accommodate threadless entry and removal of a cartridge valve and is biased to its unstressed position to secure said cartridge valve in said receptacle against said normal fluid pressure in said manifold and allows repeated, non-permanent deforming removability when a greater pulling force than said normal fluid pressure on said cartridge valve occurs. 3. A valve manifold as defined in claim 2 further comprising: said inner surface having an annular groove therein with a distal lip above said groove for engagement with a locking tab on said cartridge valve. 4. A valve manifold as defined in claim 2 further comprising: said annular wall of said valve receptacle having a negative cavity slope when in its unstressed position to provide a snug fit to the cartridge valve in the valve receptacle. 5. A cartridge valve and valve manifold assembly comprising: a valve manifold having at least one valve receptacle for receiving and seating a cartridge valve;said valve receptacle having a threadless valve seat about a first central passage therethrough and a second passage outside of said valve seat leading from said valve receptacle;said cartridge valve having an outer valve body with a valve sleeve having a central nose slidingly and sealingly seatable in said valve seat;said cartridge valve having an actuator device therein;said valve sleeve having a central passage that axially extends straight through said central nose with a downstream end transverse to its length in communication with said first central passage and in selective communication with peripheral ports about said central nose, said peripheral ports being in communication with said second passage and being positioned to provide flow axially to said second passage;said outer valve body sealingly mounted to said valve receptacle radially outside of said second passage via a valve seal which both seals and frictionally secures said valve body to said valve receptacle against normal outward exerted fluid pressure; anda movable plunger moveable by said actuator device between an open position to provide open fluid communication between said first and second passage and a closed position to close off said first passage from said second passage. 6. A cartridge valve and valve manifold assembly as defined in claim 5 further comprising: said manifold being made of a molded plastic material with the threadless valve seat with said first central passage integrally and simultaneously formed as a unitary section of said manifold; andsaid valve receptacle constructed to seat and retain said cartridge valve free from any separate independent securing member by having a negative cavity slope to provide a snug fit to the valve seal in the valve receptacle. 7. A cartridge valve and valve manifold assembly as defined in claim 6 further comprising: said valve receptacle having a threadless annular wall shaped with said negative cavity slope to engage and lock a cartridge valve in place in said receptacle against normal fluid pressure in said manifold. 8. A cartridge valve and valve manifold assembly as defined in claim 7 further comprising: said plastic material at said annular wall having a degree of yieldably resilient elasticity to deform to accommodate entry and removal of said cartridge valve and is biased to its unstressed position to engage said cartridge valve in said receptacle. 9. A cartridge valve and valve manifold assembly as defined in claim 5 further comprising: said outer valve body having a threadless sliding seal connection to said valve receptacle through said valve seal. 10. A cartridge valve and valve manifold assembly as defined in claim 5 further comprising: said plunger when in said closed position being seated on a shoulder about said downstream end of said central nose and when in said open position being spaced axially from said downstream end of said central nose. 11. A cartridge valve and valve manifold assembly comprising: a valve manifold having at least one valve receptacle with an open end for threadlessly receiving and sealingly seating a cartridge valve;said valve receptacle having a first inner threadless valve seat surrounding a first central passage facing said open end therethrough and a second passage also facing said open end and being outside of said valve seat leading from said cartridge valve;said valve receptacle having a second outer threadless valve seat about said second passage with a unitary securing section for retaining said valve receptacle;said cartridge valve having a stepped outer valve body with a valve nose seated in said first inner threadless valve seat and a larger diameter section sealingly seatable in said second outer threadless seat valve receptacle free from any separate independent securing member;said cartridge valve having an actuator device therein; anda movable plunger moveably mounted in said cartridge valve body by said actuator device from an open position to provide open fluid communication between said first and second passage and to a closed position to close off said first passage from said second passage; andsaid second outer threadless seat of said valve receptacle having a negative cavity slope. 12. A cartridge valve and valve manifold assembly as defined in claim 11 further comprising: said manifold being made of a molded plastic material with the first inner threadless valve seat and the second outer threadless valve seat integrally and simultaneously formed as unitary sections of said manifold. 13. A cartridge valve and valve manifold assembly as defined in claim 11 further comprising: said plunger when in said closed position being seated on a shoulder about a downstream end of said central nose and when in said open position being spaced from said downstream end of said central nose.

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Cartridge valve and manifold assembly

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이 특허에 인용된 특허 (8)

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Cartridge valve and manifold assembly

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이 특허에 인용된 특허 (8)

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