Base material with cooling air hole
US7052233B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jul 27, 2004 |
| Grant date | May 30, 2006 |
| Priority date | — |
| Expiry date | Jul 27, 2024 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF05D2260/607
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
A base material (2) with a cooling air hole (1) is disclosed, means being present which prevent particles (5), which are located in the cooling air (4) which flows through the cooling air hole (1) during the operation of the cooling air hole (1), from closing the cooling air hole (1). In this arrangement, the means can consist in the edge of the cooling air hole (1) being uneven or having a ridge (3) or the cooling air hole (1) being star-shaped, ellipsoidal or linear or the cooling air hole (1) being circular and having lateral slots (7).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.