|국가/구분||United States(US) Patent 등록|
|발명자 / 주소|
|출원인 / 주소|
|대리인 / 주소||
|인용정보||피인용 횟수 : 0 인용 특허 : 7|
An air conditioning device has two compression and expansion units connected with one another through a heat exchanger, and a mixing device arranged before the object to be air conditioned, wherein the units for expansion and compression are used at a first stage and a second stage, or for a first airstream portion and a second airstream portion.
[ What is claimed is:] [1.] An air conditioning device, comprising means forming a first stage, said means including a cylindrical drum provided with passages which are formed by radial blades arranged along a generatrix of said drum, a casing, and two end surfaces each provided with at least one pair of windows so that air is introduced into said passages of said cylindrical drum and is compressed by compression waves, withdrawn from said cylindrical drum, cooled, further compressed in the second stage, and reintroduced into said cylindrical drum to be ...