Turbocharger having divided housing with integral valve
First Claim
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1. A turbocharger, comprising:
- a turbine wheel; and
a housing configured to at least partially enclose the turbine wheel and having;
a first turbine volute having a first inlet and configured to communicate a first fluid flow with the turbine wheel;
a second turbine volute having a second inlet and configured to communicate a second fluid flow with the turbine wheel;
a wall member axially separating the first and second turbine volutes; and
a valve configured to selectively allow fluid in the first inlet to communicate with fluid in the second inlet.
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Abstract
A turbocharger is provided having a turbine wheel and a housing configured to at least partially enclose the turbine wheel. The housing may have a first turbine volute including a first inlet and a second turbine volute having a second inlet. The first and second volutes may be configured to communicate a first and second fluid flow with the turbine wheel. The housing may also have a wall member axially separating the first and second turbine volutes. In addition, the housing may have a valve configured to selectively allow fluid in the first inlet to communicate with fluid in the second inlet.
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Citations
20 Claims
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1. A turbocharger, comprising:
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a turbine wheel; and a housing configured to at least partially enclose the turbine wheel and having; a first turbine volute having a first inlet and configured to communicate a first fluid flow with the turbine wheel; a second turbine volute having a second inlet and configured to communicate a second fluid flow with the turbine wheel; a wall member axially separating the first and second turbine volutes; and a valve configured to selectively allow fluid in the first inlet to communicate with fluid in the second inlet. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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9. A method of operating a turbocharger, comprising:
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simultaneously receiving a plurality of exhaust flows into the turbocharger at separate axially offset locations; and selectively allowing the exhaust flows to communicate with each other upon entering the turbine. - View Dependent Claims (10, 11, 12, 13)
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14. A power system, comprising:
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a power source having a plurality of combustion chambers and being configured to produce a power output and a flow of exhaust gases; a first exhaust passageway associated with at least a first of the plurality of combustion chambers; a second exhaust passageway associated with at least a second of the plurality of combustion chambers; an exhaust gas recirculation loop configured to direct exhaust gas to an intake of the power source; and a turbocharger in fluid communication with the first and second exhaust passageways, the turbocharger including; a turbine wheel; and a housing configured to at least partially enclose the turbine wheel and having; a first turbine volute having a first inlet and configured to fluidly communicate exhaust with the turbine wheel; a second turbine volute having a second inlet and configured to fluidly communicate exhaust with the turbine wheel; a wall member axially separating the first and second turbine volutes; and a valve configured to selectively allow exhaust in the first inlet to communicate with exhaust in the second inlet. - View Dependent Claims (15, 16, 17, 18, 19, 20)
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Specification