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특허 상세정보

MyON담기
내보내기 페이스북 공유 카카오톡 공유

Fresh air breathing mask with exterior heat exchanger

특허상세정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) A61M-015/00   
미국특허분류(USC) 128/20417 ; 128/20713
출원번호 US-0287309 (1981-07-27)
발명자 / 주소
인용정보 피인용 횟수 : 150  인용 특허 : 1
초록

A typical embodiment of the invention provides a sturdy, lightweight, inexpensive and comfortable warmer for fresh breathing air. An heat exchanger that is sufficiently flexible to conform with the shape of a wearer\s scalp is secured to the wearer\s head by means of a pullover cap. In this way the heat exchanger takes advantage of the great heat dissipating capabilities of the human head in order to warm fresh breathing air on its way from the atmosphere to the wearer\s nose mask.

대표
청구항
▼

A breathing mask for wear on the head comprising a tubular fresh air inlet, a heat exchanger in fluid communication with said fresh air inlet, said heat exchanger being sufficiently flexible to conform with the scalp and being generally thin in order to absorb heat from the scalp, a flexible tube in fluid communication with said heat exchanger, and a check valve for selectively interrupting said flexible tube fluid communication to establish air flow only from said heat exchanger through said flexible tube, a nose mask in fluid communication with said tu...

이 특허에 인용된 특허 (1)

  1. Hunt Patrick T. (R.R. 1 Smithville MO 64089). Cold weather breathing mask. USP1981054269183.

이 특허를 인용한 특허 피인용횟수: 150

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