Patent · US Expired

Respirator having a respiratory regenerator with an area cooling portion

US4665910A · kind A · utility

7Cited by

1References

3Claims

0Family size

Assignee

DRAGERWERK AKTIEGESELLSCHAFT · DE

Inventors

Ernst-Gunter Kolbe · Mölln, DE
Hasso Weinmann · Lübeck, DE
Wolfgang Drews · Bahrenhof, DE
Wolfgang Eckstein · Sereetz, DE

Key dates

Filing date	Nov 5, 1985
Grant date	May 19, 1987
Priority date	—
Expiry date	Nov 5, 2005

Classification

Technology area (CPC A)Human Necessities
CPC primaryA62B9/00
WIPO fieldOther consumer goods
WIPO sectorOther fields

Abstract

A respirator with regeneration of the respiratory air includes, for the cooling of the inhalation air, a chemical cartridge regenerating the respiratory air which has an area cooler located in the respiratory air stream, which cooler is arranged adjacent to and spaced from the surface of the chemical cartridge.

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