Patent · US Expired

Humidifier

US4906417A · kind A · utility

180Cited by
9References
5Claims
0Family size

Assignee

Inventor

Key dates

Filing dateMay 3, 1989
Grant dateMar 6, 1990
Priority date
Expiry dateMay 3, 2009

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10S261/65
  • WIPO fieldThermal processes and apparatus
  • WIPO sectorMechanical engineering

Abstract

A humidifier has a cap which may be lifted off to wash it. The lift off cap is sealed to the humidifier by a labyrinth seal. A vapor well is formed in the top surface of said cap with a steam discharge nozzle directed over the well. The cap, and therefore, the nozzle and vapor well may rotate over a 360.degree. traverse. The nozzle is formed by spaced inclined planes setting at angles in the range of 8.degree.-30.degree. and preferably 18.degree. and 20.degree., respectively, the angles being taken with respect to the horizontal.

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