|국가/구분||United States(US) Patent 등록|
|미국특허분류(USC)||244/012.4; 244/023.A; 244/023.C; 244/066; 244/056|
|발명자 / 주소|
|출원인 / 주소|
|대리인 / 주소||
|인용정보||피인용 횟수 : 39 인용 특허 : 3|
Disclosed is an air vehicle (Z) comprising a vehicle body (1); hollow fan ducts (3A-3D) supported to and elongating through the vehicle body at least at its foreside and rear-side locations, respectively. Each fan duct communicates with air at top and bottom of the vehicle body and has a fan (9A-9D) at a top opening (6). The air vehicle further comprises rotary engines (11) each installed inside of each fan duct to rotate the fan. In a preferred embodiment, a cylinder (13) of the rotary engine is mounted to a supporting housing (25) of the fan duct via e...
1. An air vehicle comprising: a vehicle body; hollow fan ducts supported to and elongating through said vehicle body at least at its fore-side and rear-side locations respectively, each of said fan ducts communicating with air at a top portion and a bottom portion of said vehicle body and having a fan at a top opening; and rotary engines installed inside each of said fan ducts for rotating said fan; wherein a cooling unit containing coolant is installed around each of the outer cylinder wall of said rotary engines. 2. An air vehicle according to ...