[특허]Liquid-cooled exhaust valve assembly

Westcast Industries, Inc.

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특허 상세정보

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Liquid-cooled exhaust valve assembly

특허상세정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	F01N-005/02
미국특허분류(USC)	060/320; 060/274; 060/324; 165/041; 137/625.41
출원번호	US-0636123 (2009-12-11)
등록번호	US-8443593 (2013-05-21)
발명자 / 주소	Sloss, Clayton A Nelson, Scott O.
출원인 / 주소	Westcast Industries, Inc.
대리인 / 주소	Harness, Dickey & Pierce, PLC
인용정보	피인용 횟수 : 6 인용 특허 : 30

초록
▼

A valve assembly may include a valve body, a valve member, and a valve shaft. The valve body may include an inlet, an outlet, and first and second fluid paths in fluid communication with the inlet. The first fluid path may extend axially through at least a portion of the valve body. The second fluid path may be defined by first and second annular walls and may at least partially surround the first fluid path. The valve member is disposed in the valve body and may be movable between a first position preventing fluid flow through the first fluid path and a...

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청구항
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1. A valve assembly comprising: a valve body including first and second inlets, an outlet, and first and second fluid paths in fluid communication with the outlet and the first and second inlets, respectively, the first fluid path extending axially through at least a portion of the valve body, and the second fluid path being defined by first and second annular walls and at least partially surrounding the first fluid path;a valve member disposed in the valve body and movable between a first position restricting a fluid from flowing through the first fluid path and allowing the fluid to flow through the second fluid path and a second position allowing fluid through the first fluid path; anda valve shaft fixed to the valve member and mounted to the valve body for rotation relative to the valve body,wherein the valve member includes a diverter ring and a valve plate. 2. The valve assembly of claim 1, further comprising a coolant passage extending through at least a portion of the valve body, the coolant passage being disposed proximate to the valve shaft to facilitate heat transfer between the valve shaft and a coolant flowing through the coolant passage. 3. The valve assembly of claim 1, wherein the valve member is selectively movable into an intermediate position allowing fluid flow through the first and second fluid paths. 4. The valve assembly of claim 2, wherein the coolant passage at least partially surrounds an outer diameter of the valve shaft. 5. The valve assembly of claim 1, further comprising a plurality of coolant passages disposed in the valve body. 6. A vehicle exhaust system comprising: a valve assembly including a valve body and an adjustable valve member, the valve body having a first exhaust gas flow path and a second exhaust gas flow path at least partially surrounding the first exhaust gas flow path, the adjustable valve member is selectively movable between a plurality of positions directing exhaust gas into at least one of the first and second exhaust gas flow paths;an emissions component mounted to the valve body and in selective fluid communication with the first and second exhaust gas flow paths; anda heat exchanger in heat transfer relation with the second exhaust gas flow path,wherein fluid flow is allowed only through the first exhaust gas flow path when the valve member is in a bypass position and fluid flow is allowed only through the second exhaust gas flow path when the valve member is in a heat exchange position,wherein the second exhaust gas flow path includes a portion through which fluid flows only radially outward along a plane that is partially defined by a rotational axis of the valve member. 7. The vehicle exhaust system of claim 6, wherein the valve member is movable between the bypass position allowing fluid flow through the first exhaust gas flow path and the heat exchange position preventing fluid flow through the first exhaust gas flow path. 8. The vehicle exhaust system of claim 7, wherein the emissions component is in fluid communication with the heat exchanger when the valve member is in the heat exchange position. 9. The vehicle exhaust system of claim 6, wherein the first fluid path extends axially through at least a portion of the valve body, and the second fluid path is defined by first and second annular walls and at least partially surrounds the first fluid path. 10. The vehicle exhaust system of claim 6, further comprising a coolant jacket at least partially surrounding an outer flow path of the heat exchanger. 11. The vehicle exhaust system of claim 6, further comprising a valve shaft fixed to the valve member and mounted to the valve body for rotation relative to the valve body. 12. The vehicle exhaust system of claim 11, wherein the valve body includes at least one coolant passage disposed proximate the valve shaft to facilitate heat transfer between the valve shaft and a coolant flowing through the at least one coolant passage. 13. The vehicle exhaust system of claim 6, wherein the emissions component is disposed upstream of the valve body. 14. The vehicle exhaust system of claim 6, wherein the emissions component is disposed downstream of the valve body. 15. The vehicle exhaust system of claim 6, wherein the valve member includes a diverter ring and a valve plate. 16. The vehicle exhaust system of claim 6, wherein the heat exchanger at least partially surrounds the emissions component. 17. The vehicle exhaust system of claim 6, wherein the heat exchanger is disposed upstream of the emissions component. 18. A vehicle exhaust system comprising: a body having an inlet;a valve body attached to the body and including an outlet and first and second exhaust gas paths in fluid communication with the inlet of the body, the first fluid path extends axially through at least a portion of the valve body, and the second exhaust gas path is defined by first and second annular walls at least partially surrounding the first exhaust gas path;a valve plate disposed in the valve body and movable between a bypass position allowing fluid flow through the first exhaust gas flow path and a heat exchange position preventing fluid flow through the first exhaust gas flow path;a valve shaft fixed to the valve plate and mounted to the valve body for rotation relative to the valve body;a coolant passage extending through at least a portion of the valve body, the coolant passage being disposed proximate to the valve shaft to facilitate heat transfer between the valve shaft and a coolant flowing through the coolant passage;a catalytic converter disposed in the body and in fluid communication with the inlet and the outlet; andwherein the body includes a heat exchanger in fluid communication with the second exhaust gas flow path and catalytic converter when the valve plate is in the heat exchange position,wherein fluid flow is allowed only through the first exhaust gas flow path when the valve plate is in the bypass position and fluid flow is allowed only through the second exhaust gas flow path when the valve plate is in the heat exchange position,wherein the second exhaust gas flow path includes a portion through which fluid flows only radially outward along a plane that is partially defined by a rotational axis of the valve shaft. 19. The vehicle exhaust system of claim 18, wherein the coolant passage includes a coolant jacket at least partially surrounding the valve shaft, the coolant passage being in fluid communication with a conduit extending from the heat exchanger. 20. The vehicle exhaust system of claim 18, wherein the valve plate is coupled with a diverter ring and movable therewith to block the first exhaust gas flow path in the bypass position.

이 특허에 인용된 특허 (30)

이 특허를 인용한 특허 피인용횟수: 6

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특허 상세정보

Liquid-cooled exhaust valve assembly

초록
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청구항
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이 특허에 인용된 특허 (30)

이 특허를 인용한 특허 피인용횟수: 6

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IPC 상세정보(version : 201201)

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특허 상세정보

Liquid-cooled exhaust valve assembly

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이 특허에 인용된 특허 (30)

이 특허를 인용한 특허 피인용횟수: 6

IPC 상위 출원인

과제정보

상세정보조회

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IPC 상세정보(version : 201201)

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