Ventilated personal shelter

Details Ventilated personal shelter Ventilated personal shelter

1997-08-08

1999-03-16

Trettel, Michael F.

Beds

Sleeping bag

Including inflatable portion or attachment

5414, 2 695, 135 96, 135117, A47G 908

Patent

active

058814051

ABSTRACT:
A personal shelter, such as a bivouac sack (10), tent or sleeping bag, for extracting internal moisture and venting. The personal shelter includes a top (14), bottom (12) and end (16) piece, and defines a foot end (17) and head end (18) at opposite ends of a longitudinal axis. The personal shelter also includes a first opening (40) at the foot end, a second opening (20) near the head end, and a semi-rigid duct (30) with an inlet end that is approximately colocated with the first opening and an outlet end that is approximately colocated with the second opening. The semi-rigid duct receives outside air through the first end, mixes the received outside air with moist air within the personal shelter, and exhausts the mixed air through the second end.

REFERENCES:
patent: 2284900 (1942-06-01), Henderson
patent: 4531330 (1985-07-01), Phillips
patent: 4787105 (1988-11-01), Phillips et al.
patent: 4894878 (1990-01-01), Roach
patent: 5386602 (1995-02-01), Krenzler
patent: 5669088 (1997-09-01), McNames

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