Ice pressure channel element

Ice pressure channel element

  • CN 102,257,252 A
  • Filed: 10/20/2009
  • Published: 11/23/2011
  • Est. Priority Date: 12/17/2008
  • Status: Active Grant
First Claim
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1. the jar (10) or jar embedded unit (10) that are used for dosing system, this dosing system is used for reducing agent, especially urea or aqueous solution of urea are brought in the outlet pipe of internal-combustion engine, it is characterized in that, hold at least one ice pressure element (20 described jar (10) or in described jar of embedded unit (10), 32), described ice pressure element or compressible, or compressible and additionally have lower adhering to, and will there be the reducing agent of deep colling to be directed in the free space in described jar (10) or jar embedded unit (10) with respect to the ice that when reducing agent freezes, generates.

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