|국가/구분||United States(US) Patent 등록|
|미국특허분류(USC)||244/058; 244/057; 244/053R|
|발명자 / 주소|
|출원인 / 주소|
|대리인 / 주소||
|인용정보||피인용 횟수 : 0 인용 특허 : 16|
One embodiment of the present invention is a unique aircraft. Another embodiment is a unique propulsion system for an aircraft. Other embodiments include apparatuses, systems, devices, hardware, methods, and combinations for aircraft and aircraft propulsion systems. Further embodiments, forms, features, aspects, benefits, and advantages of the present application will become apparent from the description and figures provided herewith.
1. A propulsion system for an aircraft, comprising: a gas turbine engine having a high pressure spool and a low pressure spool, wherein the low pressure spool is operative to drive a propulsor; andan auxiliary power unit (APU) mechanically coupled to both the high pressure spool and the low pressure spool, wherein the APU is a thermodynamic machine configured to generate mechanical power from fuel; and wherein the APU supplies rotational power to both the high pressure spool and the low pressure spool at the same time. 2. The propulsion system of claim 1...