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US 9,004,113 B2Granted
Pipe having variable cross section
OwnerLiming Fuinventor
Life of this patent
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Abstract
A pipe having variable cross section and including a working core pipe, capillary pipes or sheets, an outer pipe, a connection support, and a cavity. The capillary pipes or sheets are attached to an external surface of the working core pipe. The connection support connects the working core pipe and the outer pipe. The cavity is formed between the working core pipe and the outer pipe and has variable cross section.
Claims18
A pipe having variable cross section, comprising:
- a) a working core pipe;
- b) capillary pipes or sheets;
- c) an outer pipe;
- d) a connection support;
- and
- e) a cavity;
- wherein
- the capillary pipes or sheets are attached to an external surface of the working core pipe;
- the connection support connects the working core pipe and the outer pipe;
- and
- the cavity is formed between the working core pipe and the outer pipe and has variable cross section.
8 more elements
Dependencies are inferred from the claim text.