Air cooled/heated seat cushion

Details Air cooled/heated seat cushion Air cooled/heated seat cushion

1988-07-22

1989-08-08

Trettel, Michael F.

Beds

With heating or cooling

And means to force air

5469, A47C 2104

Patent

active

048539929

ABSTRACT:
An air cooled/heated seat cushion comprises: an envelope with an air inlet opening and an air discharge opening. A flexible hollow supporting padding is embedded inside the envelope to allow air to diffuse through the envelope. As air from a ventilation air source of a car, truck, or craft flows through the cushion, the cushion is cooled or heated. The cusion in turn gives a cooling or heating sensation to a person sitting on it. An even better way is to employ an air distributor inside the envelope, so that air can be uniformly distributed throughout the cushion.

REFERENCES:
patent: 2158801 (1939-05-01), Petterson
patent: 2461432 (1949-02-01), Mitchell
patent: 2493067 (1950-01-01), Goldsmith
patent: 2795803 (1957-06-01), Radzik
patent: 2922466 (1960-01-01), Marston
patent: 2992604 (1961-07-01), Trotman et al.
patent: 3529310 (1970-09-01), Olmo
patent: 4002108 (1979-01-01), Drori
patent: 4006604 (1977-02-01), Seff
patent: 4563387 (1986-01-01), Takagi et al.

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