Invention Grant
- Patent Title: Exhaust gas recirculation valve contaminant removal
- Patent Title (中): 废气再循环阀污染物去除
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Application No.: US12459860Application Date: 2009-07-08
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Publication No.: US08423269B2Publication Date: 2013-04-16
- Inventor: Jeremy Harden , T. Andy Craig , James M. Eickmeyer , Amit Ashok Surve , Timothy R Evans , Kerk B. McKeon , Scott Henry
- Applicant: Jeremy Harden , T. Andy Craig , James M. Eickmeyer , Amit Ashok Surve , Timothy R Evans , Kerk B. McKeon , Scott Henry
- Applicant Address: US IN Columbus
- Assignee: Cummins Inc.
- Current Assignee: Cummins Inc.
- Current Assignee Address: US IN Columbus
- Agency: Krieg DeVault LLP
- Main IPC: B60T7/12
- IPC: B60T7/12 ; G05D1/00 ; G06F7/00 ; G06F17/00 ; F02B47/08 ; F02M25/07 ; F01N3/02 ; F01N5/02 ; F16K49/00 ; F16L53/00

Abstract:
An exhaust gas recirculation system including an exhaust gas passageway which routes a flow of exhaust gas from an exhaust gas source to an intake manifold; an exhaust gas passageway valve which controls flow to the intake manifold; a cooling system coupled with the exhaust gas passageway positioned at a location upstream of the exhaust gas source and downstream of the intake manifold and operable to transfer heat from the flow of exhaust gas to a coolant in flow communication with the cooling system; a bypass passageway coupled with the exhaust gas passageway and bypassing the cooling system; a bypass valve operable to control flow through the bypass passageway; at least one valve operation sensor; and a controller operable to control the bypass valve to direct the flow of exhaust gas to the bypass passageway during exhaust gas recirculation based on a signal from the valve operation sensor.
Public/Granted literature
- US20110005503A1 Exhaust gas recirculation valve contaminant removal Public/Granted day:2011-01-13
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