Patent · US Expired

Electric power tool having cooling conduits

US7597157B2 · kind B2 · utility

5Cited by
25References
26Claims
0Family size

Assignee

Inventors

Key dates

Filing dateSep 24, 2004
Grant dateOct 6, 2009
Priority date
Expiry dateSep 24, 2024

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB25F5/008
  • WIPO fieldMachine tools
  • WIPO sectorMechanical engineering

Abstract

An electric power tool includes an electric motor located in a housing (10) and a cooling device (16, 18, 20, 30, 32). The cooling device (16, 18, 20, 30, 32), at least in some regions, has a cooling conduit (30) that is closed off from an interior of the housing (10).

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.