|국가/구분||United States(US) Patent 등록|
|미국특허분류(USC)||415/53.1 ; 126/247 ; 290/55 ; 415/4.4 ; 415/8 ; 415/53.3 ; 415/123 ; 415/183 ; 415/186 ; 415/208.5 ; 415/907 ; 416/DIG4 ; 416/119|
|발명자 / 주소|
|대리인 / 주소||
|인용정보||피인용 횟수 : 43 인용 특허 : 1|
An omnidirectional windmill employing lift type airfoils mounted about a vertical axis. The windmill includes a support frame which defines the vertically oriented axis about which the elongate airfoils rotate. Five vertically oriented stators are positioned outwardly of the airfoils about the windmill to form an omnidirectional diffuser. These stators extend radially from the vertical axis to substantially enhance the efficiency of the windmill. The stators also make the windmill self-starting. A friction heater is also disclosed in association with the...