[특허]Bistable dual-magnet valve unit

Petro,John P.; Burch,Donald; Mayer,Jeremy F.

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특허 상세정보

MyON담기

내보내기 페이스북 공유 트위터 공유 카카오톡 공유

Bistable dual-magnet valve unit

특허상세정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	F16K-031/143 F16K-031/14
미국특허분류(USC)	251/063.4; 251/065
출원번호	US-0245252 (2002-09-16)
발명자 / 주소	Petro,John P. Burch,Donald Mayer,Jeremy F.
출원인 / 주소	Petro,John P. Burch,Donald Mayer,Jeremy F.
인용정보	피인용 횟수 : 4 인용 특허 : 9

초록
▼

A dual-magnet valve unit having a first master magnet ring assembly with an outer casing slidably contained within an outer housing that forms a chamber with the casing of the master magnet ring assembly and a second, slave magnet disk assembly with an outer tube and a poppet member in the form of a cone and displaceable within the inner transport fluid conduit, the inner transport fluid conduit having a valve seat contactable by the cone of the poppet member to block fluid flow through the fluid conduit in one position of the slave magnet disk assembly and displaceable from the cone to pass fluid flow through the fluid conduit in an opposite position of the slave magnet disk assembly, the master magnet ring assembly being displaced by selective supply of a motive fluid to the chamber to displace the master magnet ring assembly from one position to another, which automatically displaces the slave magnet ring assembly.

대표
청구항
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What is claimed: 1. A dual-magnet valve unit comprising: a first outer magnet member displaceable between a first position and a second position; a second inner magnet member displaceable between a first position and a second position; a containment structure wherein the outer magnet member is proximately positioned around the inner magnet member, the magnet members being maintained in substantial repulsion, and, wherein displacement of the first outer magnet member from one of said first and second positions to the other of said first and second positions actuates the opposite displacement of the second inner magnet member from the opposite one of said first and second positions to the other of said first and second positions; and, a transport fluid conduit assembly with a tube located between the outer magnet member and the inner magnet member, wherein the inner magnet member is contained in the tube, the conduit assembly having end fittings with a fluid passage, one of said end fittings having a valve seat wherein the inner magnet member has a poppet member contactable with the valve seat when the inner magnet member is displaced against the end fitting having the valve seat, the other of said end fittings having an internal stop wherein the inner magnet member has a stop element contactable with the internal stop when the inner magnet member is displaced against the end fitting having the internal stop, the internal stop of the fitting and stop element of the inner magnet member being constructed with a bypass to pass fluid through the passage and tube when the stop element contacts the internal stop, and, wherein the tube has opposite ends and the end fittings are connected to the opposite ends of the tube; wherein the containment structure and transport fluid conduit assembly form a chamber in which the first outer magnet member is displaceable, the chamber being divided into a first compartment and a second compartment, each compartment having an entry port in the containment structure for a drive fluid, wherein on supply of drive fluid to a selected compartment through the port in the containment structure, the outer magnet member is displaced to one of said first and second positions, and on supply of drive fluid to the other of said compartments the outer magnet member is displaced to the other of said first and second positions; and, wherein the first outer magnet member comprises an annular magnet ring assembly with a casing and a series of ring poles and ring magnets contained in the casing, the annular magnet ring assembly being displaceable on the tube of the fluid conduit assembly, wherein the second inner magnet member comprises a cylindrical magnet disk assembly with a casing and a series of disk poles and disk magnets contained in the casing, the cylindrical magnet disk assembly being displaceable in the tube of the transport fluid conduit, and wherein the ring poles have radial ears for facilitating assembly in the annular casing and improving the magnetic flux directed at the cylindrical magnet disk assembly. 2. The dual-magnet valve unit of claim 1 wherein the casing of the first outer magnet member has sealing means for dividing the chamber into the first compartment and the second compartment. 3. The dual-magnet valve unit of claim 2 wherein the containment structure comprises an outer casing and the outer casing has indicator means engaging the casing of the first outer magnet member for indicating whether the valve unit is in an open or closed state. 4. The dual-magnet valve unit of claim 1 in combination with a cradle mount having ports for connection of drive fluid lines, the cradle mount being mountable to an external structure. 5. The dual-magnet valve unit of claim 1 wherein each entry port has a constricted passage sized to control the speed of actuation. 6. A dual-magnet valve unit comprising: a first outer magnet member displaceable between a first position and a second position; a second inner magnet member displaceable between a first position and a second position; a containment structure wherein the outer magnet member is proximately positioned around the inner magnet member, the magnet members being maintained in substantial attraction, and, wherein displacement of the first outer magnet member from one of said first and second positions to the other of said first and second positions actuates the following displacement of the second inner magnet member from one of said first and second positions to the other of said first and second positions; and, a transport fluid conduit assembly with a tube located between the outer magnet member and the inner magnet member, wherein the inner magnet member is contained in the tube, the conduit assembly having end fittings with a fluid passage, one of said end fittings having a valve seat wherein the inner magnet member has a poppet member contactable with the valve seat when the inner magnet member is displaced against the end fitting having the valve seat, the other of said end fittings having an internal stop wherein the inner magnet member has a stop element contactable with the internal stop when the inner magnet member is displaced against the end fitting having the internal stop, the internal stop of the fitting and stop element of the inner magnet member being constructed with a bypass to pass fluid through the passage and tube when the stop element contacts the internal stop, and, wherein the tube has opposite ends and the end fittings are connected to the opposite ends of the tube; wherein the containment structure and transport fluid conduit assembly form a chamber in which the first outer magnet member is dis placeable, the chamber being divided into a first compartment and a second compartment, each compartment having an entry port in the containment structure for a drive fluid, wherein on supply of drive fluid to a selected compartment through the port in the containment structure, the outer magnet member is displaced to one of said first and second positions, and on supply of drive fluid to the other of said compartments the outer magnet member is displaced to the other of said first and second position; and, wherein the first outer magnet member comprises an annular magnet ring assembly with a casing and a series of ring poles and ring magnets contained in the casing, the annular magnet ring assembly being displaceable on the tube of the fluid conduit assembly, wherein the second inner magnet member comprises a cylindrical magnet disk assembly with a casing and a series of disk poles and disk magnets contained in the casing, the cylindrical magnet disk assembly being displaceable in the tube of the transport fluid conduit, and wherein the ring poles have radial ears for facilitating assembly in the annular casing and improving the magnetic flux directed at the cylindrical magnet disk assembly. 7. The dual-magnet valve unit of claim 6 wherein the casing of the first outer magnet member has sealing means for dividing the chamber into the first compartment and the second compartment. 8. The dual-magnet valve unit of claim 6 in combination with a cradle mount having ports for connection of drive fluid lines, the cradle mount being mountable to an external structure. 9. The dual-magnet valve unit of claim 6 wherein each entry port has a constricted passage sized to control the speed of actuation. 10. A dual-magnet valve unit comprising: a first outer magnet member displaceable between a first position and a second position; a second inner magnet member displaceable between a first position and a second position; a containment structure wherein the outer magnet member is proximately positioned around the inner magnet member, the magnet members being maintained in substantial repulsion, and, wherein displacement of the first outer magnet member from one of said first and second positions to the other of said first and second positions actuates the opposite displacement of the second inner magnet member from the opposite one of said first and second positions to the other of said first and second positions; and, a transport fluid conduit assembly with a tube located between the outer magnet member and the inner magnet member, wherein the inner magnet member is contained in the tube, the conduit assembly having end fittings with a fluid passage, one of said end fittings having a valve seat wherein the inner magnet member has a poppet member contactable with the valve seat when the inner magnet member is displaced against the end fitting having the valve seat, the other of said end fittings having an internal stop wherein the inner magnet member has a stop element contactable with the internal stop when the inner magnet member is displaced against the end fitting having the internal stop, the internal stop of the fitting and stop element of the inner magnet member being constructed with a bypass to pass fluid through the passage and tube when the stop element contacts the internal stop, and, wherein the tube has opposite ends and the end fittings are connected to the opposite ends of the tube; wherein the inner magnet member has a shock absorber engaging the poppet member, the shock absorber absorbing the impact of the poppet member when contacting the valve seat on closure of the valve. 11. The dual-magnet valve unit of claim 10 wherein the first outer magnet member comprises an annular magnet ring assembly with a casing and a series of ring poles and ring magnets contained in the casing, the annular magnet ring assembly being displaceable on the tube of the fluid conduit assembly, and wherein the second inner magnet member comprises a cylindrical magnet disk assembly with a casing and a series of disk poles and disk magnets contained in the casing, the cylindrical magnet disk assembly being displaceable in the tube of the fluid conduit. 12. The dual-magnet valve unit of claim 11 wherein the ring poles have radial ears for facilitating assembly in the annular casing and improving the magnetic flux directed at the cylindrical magnet disk assembly. 13. The dual-magnet valve unit of claim 11 wherein the casing of the second inner magnet member includes a socket with a shock absorber cup and the poppet member has a base seatable in the shock absorber cup, the poppet member having a cone that contacts the valve seat on closure of the valve unit. 14. The dual-magnet valve unit of claim 11 wherein the containment structure and transport fluid conduit assembly form a chamber in which the first outer magnet member is displaceable, the chamber being divided into a first compartment and a second compartment, each compartment having an entry port in the containment structure for a drive fluid, wherein on supply of drive fluid to a selected compartment through the port in the containment structure, the outer magnet member is displaced to one of said first and second positions, and on supply of drive fluid to the other of said compartments the outer magnet member is displaced to the other of said first and second positions. 15. The dual-magnet valve unit of claim 14 wherein the casing of the first outer magnet member has sealing means for dividing the chamber into the first compartment and the second compartment. 16. The dual-magnet valve unit of claim 14 wherein each entry port has a constricted passage sized to control the speed of actuation.

이 특허에 인용된 특허 (9)

이 특허를 인용한 특허 피인용횟수: 4

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특허 상세정보

Bistable dual-magnet valve unit

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이 특허에 인용된 특허 (9)

이 특허를 인용한 특허 피인용횟수: 4

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Bistable dual-magnet valve unit

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이 특허에 인용된 특허 (9)

이 특허를 인용한 특허 피인용횟수: 4

IPC 상위 출원인

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상세정보조회

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IPC 상세정보(version : 201201)

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