SCR system with compensation element and motor vehicle having an SCR system
First Claim
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1. An SCR system, comprising:
- at least one reducing agent tank, a filter, a conveying device and a reducing agent line for conveying and conducting a reducing agent; and
at least one one-piece, metallic, compensation element having a volume through which the reducing agent flows;
said at least one compensation element configured for varying said volume as a function of a reducing agent pressure;
said at least one compensation element having at least one surface part under a preload, said at least one surface part being movable counter to said preload at a certain reducing agent pressure for increasing said volume of said at least one compensation element through which the reducing agent flows, said preload reversing above a certain pressure and said volume of said at least one compensation element changing abruptly.
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Abstract
An SCR system includes at least one reducing agent tank, a filter, a feed device and a reducing agent line for feeding and conducting a reducing agent. At least one compensation element has a volume through which the reducing agent flows and is suitable for varying the volume as a function of a reducing agent pressure. A motor vehicle having an SCR system is also provided.
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Citations
9 Claims
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1. An SCR system, comprising:
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at least one reducing agent tank, a filter, a conveying device and a reducing agent line for conveying and conducting a reducing agent; and at least one one-piece, metallic, compensation element having a volume through which the reducing agent flows; said at least one compensation element configured for varying said volume as a function of a reducing agent pressure; said at least one compensation element having at least one surface part under a preload, said at least one surface part being movable counter to said preload at a certain reducing agent pressure for increasing said volume of said at least one compensation element through which the reducing agent flows, said preload reversing above a certain pressure and said volume of said at least one compensation element changing abruptly. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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Specification