Patent · US Expired

Inhalation apparatus

US4652408A · kind A · utility

58Cited by
7References
5Claims
0Family size

Assignee

Inventor

Key dates

Filing dateMar 31, 1986
Grant dateMar 24, 1987
Priority date
Expiry dateMar 31, 2006

Classification

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

Abstract

A humidifier includes a chamber 14 having an inlet 30 and an outlet 6. The chamber 14 is releasably attached to a heater unit including a heater 22 and a heat sensor 24. When the chamber 14 and the heater unit are assembled together the heater 22 is in thermal contact with a heat transfer surface of the chamber 14 at or adjacent the inlet port 30 while the temperature sensor 24 is in thermal contact with the heat transfer surface at or adjacent the outlet port 6.

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