Selectively cooled or heated seat and backrest construction

Details Selectively cooled or heated seat and backrest construction Selectively cooled or heated seat and backrest construction

1989-10-18

1991-03-26

Aschenbrenner, Peter A.

Chairs and seats

With heat exchanger or means to provide fluid or vapor...

Occupants motion actuates a ventilating means

5461, 5469, A47C 772

Patent

active

050023365

ABSTRACT:
A seating construction with joined seat and backrest parts has a plenum into which is received temperature conditioned air. Coil springs define the plenum and a covering is secured over the springs consisting of, from the inside out, a metal mesh layer, an elastomer sheet with a number of openings, and an air permeable fabric layer. The elastomer sheet behaves as a viscous liquid when subjected to forces and shocks. An alternative to the elastomer sheet is a baglike layer filled with fluid with a number of openings provided to enable passage of conditioned air through the layer.

REFERENCES:
patent: 2722266 (1955-11-01), Kersten
patent: 3266064 (1966-08-01), Figman
patent: 3644950 (1972-02-01), Lindsay, Jr.
patent: 4563387 (1986-01-01), Takagi et al.
patent: 4712832 (1987-12-01), Antolini et al.

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