Heat pipe structure and flattened heat pipe structure
US8162036B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | May 7, 2008 |
| Grant date | Apr 24, 2012 |
| Priority date | — |
| Expiry date | Jul 25, 2029 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF28D15/046
- WIPO fieldThermal processes and apparatus
- WIPO sectorMechanical engineering
Abstract
A heat pipe structure including a pipe body and a working substance is provided. The pipe body has two closed ends opposite to each other, an inner surface, a compressed portion, and an expanded portion. The inner surface and the two closed ends form a cavity. The compressed portion includes a plurality of first grooves formed at the inner surface. Any one of the first grooves includes a first width. The expanded portion includes a plurality of second grooves formed at the inner surface. Any one of the second grooves includes a second width, and the first width is approximately equal to the second width. The working substance is contained in the cavity.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.