Chairs and seats – With heat exchanger or means to provide fluid or vapor... – Occupants motion actuates a ventilating means
Patent
1989-06-28
1991-04-02
Cranmer, Laurie K.
Chairs and seats
With heat exchanger or means to provide fluid or vapor...
Occupants motion actuates a ventilating means
297453, 297458, A47C 772
Patent
active
050042947
ABSTRACT:
An built-up type air-conditioning cushion assembly includes of a plurality of seat cushions, a vent pipe, an induced draft device and a ventilation connecting holder. The seat cushion may be comprised of two symmetrical pads of raising blocks firmly sealed together or made of a plurality of raising blocks. The raising blocks which are respectively connected with one another by means of ventilation channels each is having a cross slot and a center hole respectively made on the top surface, and comprising therein a flanged member and a spring with the flanged member supported by the spring to stop against the center hole. The seat cushions are further connected to the exhaust hole of an air conditioning by means of a vent pipe and an induced draft device, such that air flow from the air conditioning may be stored in the seat cushions to further blow toward the person who rides thereon. Further, a pressure regulating valve is mounted on the connected seat cushions to prevent from explosion due to excessively inflated air.
REFERENCES:
patent: 1475912 (1923-11-01), Williams
patent: 1664636 (1928-04-01), Mayer
patent: 2931286 (1960-04-01), Fry
patent: 3137523 (1964-06-01), Karner
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