Patent · US Active

Respirator

US8671941B2 · kind B2 · utility

0Cited by

6References

18Claims

0Family size

Assignee

Dräger Medical GmbH · DE

Inventors

Ralf Heesch · Wulfen, DE
Karsten Hoffmann · Eutin, DE
Henryk Schnaars · Wulfen, DE
Ahmet Türker · Lübeck, DE

Key dates

Filing date	Nov 24, 2010
Grant date	Mar 18, 2014
Priority date	—
Expiry date	Dec 3, 2031

Classification

Technology area (CPC A)Human Necessities
CPC primaryA61M2205/3653
WIPO fieldMedical technology
WIPO sectorInstruments

Abstract

A respirator with a breathing gas block (2) and with breathing gas ducts (13, 15, 17) and with a heater has the electric components located outside of the breathing gas-carrying areas. A heated distributor plate is flatly in contact on the underside of the breathing gas block (2) and has heating ribs (21, 22) that are in contact with breathing gas ducts (13, 15) at least in some areas.

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