PRESSURE REGULATION VIA PUMP CONTROL FOR EXHAUST SYSTEM
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United States of America Patent
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Issued Date -
Mar 21, 2013
app pub date -
Sep 20, 2011
filing date -
Sep 20, 2011
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Abandoned
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Abstract
A control system for a pump in a vehicle exhaust system includes a pump having an inlet port and an outlet port, a fluid supply in fluid communication with the inlet port, and a supply line in fluid communication with the outlet port. The supply line is configured to deliver fluid to an exhaust component. A controller is configured to adjust pump flow rate to maintain a desired pressure in the supply line. A restriction is utilized in a return flow path from the supply line.
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