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Небесная энциклопедия

Космические корабли и станции, автоматические КА и методы их проектирования, бортовые комплексы управления, системы и средства жизнеобеспечения, особенности технологии производства ракетно-космических систем

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Применить Всего найдено 2. Отображено 2.
28-02-2019 дата публикации

PROPULSION AND ELECTRIC POWER GENERATION SYSTEM

Номер: US20190061962A1
Автор: Anghel Cristian, Hemmingson Alan D., Laffan James, Meier John, Nolcheff Nick
Принадлежит: HONEYWELL INTERNATIONAL INC.

A propulsion and electric power generation system includes a dual-spool turbofan gas turbine engine and an electrical generator. The dual-spool turbofan gas turbine engine includes at least a low-pressure turbine coupled to a fan via a low-pressure spool. The low-pressure turbine is configured to generate mechanical power. The electrical generator is directly connected to the low-pressure spool and is disposed downstream of the low-pressure turbine. A first fraction of the mechanical power generated by the low-pressure turbine is controllably supplied to the fan for propulsive power generation (P). A second fraction of the mechanical power generated by the low-pressure turbine is controllably supplied to the electrical generator for electrical power generation (P). A ratio of Pto P(P/P), during operation of the dual-spool turbofan gas turbine engine, controllably spans a range from less than about 0.06 to at least 0.18. 1. A propulsion and electric power generation system , comprising:a dual-spool turbofan gas turbine engine including at least a low-pressure turbine coupled to a fan via a low-pressure spool, the low-pressure turbine configured to generate mechanical power; andan electrical generator directly connected to the low-pressure spool and disposed downstream of the low-pressure turbine, [{'sub': 't', 'a first fraction of the mechanical power generated by the low-pressure turbine is controllably supplied to the fan for propulsive power generation (P),'}, {'sub': 'e', 'a second fraction of the mechanical power generated by the low-pressure turbine is controllably supplied to the electrical generator for electrical power generation (P), and'}, {'sub': e', 't', 'e', 't, 'a ratio of Pto P(P/P), during operation of the dual-spool turbofan gas turbine engine, controllably spans a range from less than about 0.06 to at least 0.18.'}], 'wherein2. The system of claim 1 , wherein the ratio of Pto P(P/P) claim 1 , during operation of the dual-spool turbofan gas turbine ...

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Номер записи: 1
21-03-2019 дата публикации

DISTRIBUTED PROPULSION AND ELECTRIC POWER GENERATION SYSTEM

Номер: US20190085765A1
Автор: Anghel Cristian, Hemmingson Alan D., Koerner Mike, Laffan James, Meier John, Nolcheff Nick
Принадлежит: HONEYWELL INTERNATIONAL INC.

A propulsion and electric power generation system includes a gas turbine propulsion engine, an electrical generator, an aircraft power distribution system, a plurality of auxiliary fans, and a controller. The gas turbine propulsion engine includes at least a low-pressure turbine coupled to a fan via a low-pressure spool, and the low-pressure turbine is configured to generate mechanical power. The electrical generator is directly connected to the low-pressure spool and generates a total amount of electrical power (Pe). The aircraft power distribution system receives a first fraction (Pa) of the total amount of electrical power. The auxiliary fans receive a second fraction (Pf) of the total amount of electrical power. The controller is configured to control a ratio of Pf to Pa (Pf/Pa) such that the ratio spans a range from less than 0.6 to at least 0.9. 1. A propulsion and electric power generation system , comprising:a gas turbine propulsion engine including at least a low-pressure turbine coupled to a fan via a low-pressure spool, the low-pressure turbine configured to generate mechanical power;{'sub': 'e', 'an electrical generator directly connected to the low-pressure spool and disposed downstream of the low-pressure turbine, the electrical generator configured, upon receiving a portion of the mechanical power generated by the low-pressure turbine, to generate a total amount of electrical power (P);'}{'sub': 'a', 'an aircraft power distribution system electrically coupled to the electrical generator to receive a first fraction (P) of the total amount of electrical power generated by the electrical generator;'}{'sub': 'f', 'a plurality of electrically-powered auxiliary fans electrically coupled to the electrical generator to receive a second fraction (P) of the total amount of electrical power generated by the electrical generator; and'}{'sub': a', 'f', 'f', 'a', 'f', 'a, 'a controller coupled to receive signals that are at least representative of Pand P, the ...

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Номер записи: 2