Stoves and furnaces – Body warmers
Patent
1988-06-28
1990-02-06
Yeung, James C.
Stoves and furnaces
Body warmers
126266, 126367, 126208, 126402, A61F 700
Patent
active
048981486
ABSTRACT:
A versatile heater/cooler (2) comprising a chest (4) having insulated walls (6, 8, 10, 12, 14) including a lid (10). Contained within the chest is a removable heating and cooling source (46) which is submersible in a liquid for heating or cooling the latter. The source comprises first and second vertical conduits (48, 50) having lower portions connected for fluid communication with a transverse body (52) which forms a combustion chamber. The chamber serves for burning fuel (80) or for containing a refrigerant introduced by way of the conduits. Included in the chest lid is a vent port (110) for venting the chest contents including the source, and two limb ports (18, 20) for inserting the limbs of a user through the ports and into the interior of the chest. A self-adjusting shield (22, 24) connected to an edge portion of each limb port, yieldingly surrounds each limb for preventing hot or cold air losses from the chest. The invention also includes movable carrying handles (126, 128) which, in an erect position, form a frame which supports various user aids for special applications of the invention.
REFERENCES:
patent: 506810 (1893-10-01), Cardarelli
patent: 971735 (1910-10-01), Edwards
patent: 1468561 (1923-09-01), Friend
patent: 1754971 (1930-04-01), Waigand
patent: 3220424 (1965-11-01), Nelson
patent: 3811559 (1974-05-01), Carter
patent: 4329997 (1982-05-01), de Yampert et al.
patent: 4331254 (1982-05-01), Haggerty
patent: 4497313 (1985-02-01), Kurosawa
patent: 4691688 (1987-09-01), Urso
Charles L. Urso patent application Ser. No. 07/194,837 filed May 17, 1988 entitled "Versatile Heater for Under-Blanket Heating, Tent Heating, and Food Heating".
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