Expansion valve

Expansion valve

  • CN 101,855,503 A
  • Filed: 11/12/2008
  • Published: 10/06/2010
  • Est. Priority Date: 11/13/2007
  • Status: Active Application
First Claim
Patent Images

1. heating power expansion valve that is used for refrigeration system, this heating power expansion valve comprises operation element, this operation element has diaphragm chamber, base ring and cover plate, it is characterized in that, this diaphragm chamber (11) comprises the multimembrane sheet (15) that is positioned between described base ring (10) and the described cover plate (12), and described multimembrane sheet (15) comprises two or more individual diaphragms (16,17).

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