Patent · US Expired

Base material with cooling air hole

US7052233B2 · kind B2 · utility

15Cited by
22References
19Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJul 27, 2004
Grant dateMay 30, 2006
Priority date
Expiry dateJul 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.