Multi-engine power plant having an emergency fluid injection system, and an aircraft
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
F02C-003/30
F02C-006/02
F02C-007/14
B64C-027/00
B64D-035/08
출원번호
US-0299132
(2014-06-09)
등록번호
US-10054045
(2018-08-21)
우선권정보
FR-13 01420 (2013-06-19)
발명자
/ 주소
Dyrla, Frederic
Stephant, Romain
출원인 / 주소
Airbus Helicopters
대리인 / 주소
Brooks Kushman P.C.
인용정보
피인용 횟수 :
0인용 특허 :
5
초록▼
A power plant (10) having a first and second turboshaft engines (11, 16) and an emergency system (20) for injecting fluid into said engines (11, 16). First and second pressurization pipes (26, 28) connect a tank (21) to each gas generator of the engines. In addition, the system (20) includes an inje
A power plant (10) having a first and second turboshaft engines (11, 16) and an emergency system (20) for injecting fluid into said engines (11, 16). First and second pressurization pipes (26, 28) connect a tank (21) to each gas generator of the engines. In addition, the system (20) includes an injector device (35, 40) for each engine, which device comprises an injector pipe (36, 41) connecting said tank (21) to at least one injector nozzle (31). A distributor (51, 52) is arranged on each injector pipe (36, 41), each valve (51) feeding one of the engines while being connected to the gas generator of the other engine.
대표청구항▼
1. A power plant having a first turboshaft engine and a second turboshaft engine each having a gas generator, the power plant including an emergency system for injecting fluid into the engines, the system including a tank containing an aqueous fluid, wherein the power plant includes: at least one co
1. A power plant having a first turboshaft engine and a second turboshaft engine each having a gas generator, the power plant including an emergency system for injecting fluid into the engines, the system including a tank containing an aqueous fluid, wherein the power plant includes: at least one computer;a first pressurization pipe and a second pressurization pipe respectively connecting the tank to a first gas generator of the first engine and to a second gas generator of the second engine in order to pressurize the fluid in the tank with gas taken from each of the gas generators;one injector member per engine, each member comprising at least an injector nozzle for injecting the fluid, a first injector device having a first injector pipe connecting the tank to a first injector member of the first engine, a second injector device having a second injector pipe connecting the tank to a second injector member of the second engine, each injector pipe including a metering valve controlled by the at least one computer to an adjustable flow rate of the fluid therethrough; anda distributor arranged on each injector pipe, a first distributor of the first injector pipe communicating with the second pressurization pipe so that a failure of the second engine causes the first distributor to open, and a second distributor of the second injector pipe communicating with the first pressurization pipe so that the failure of the first engine causes the second distributor to open;wherein each distributor is connected to the first pressurization pipe and to the second pressurization pipe such that each distributor is configured to receive gas from each of the gas generators and such that a pressure difference between the first and second pressurization pipes moves a piston in the associated distributor to control flow through the distributor. 2. A power plant according to claim 1, wherein the tank includes an overpressure valve for controlling the pressure of the fluid in the tank. 3. A power plant according to claim 2, wherein the tank includes a pressure release valve for lowering the pressure in the tank. 4. A power plant according to claim 1, wherein the tank includes a level sensor. 5. A power plant according to claim 1, wherein each gas generator comprises at least one compression stage, and each pressurization pipe opens out to a downstream end of a compression stage. 6. A power plant according to claim 1, wherein each pressurization pipe includes a check valve. 7. A power plant according to claim 1, wherein each pressurization pipe includes a filter. 8. A power plant according to claim 1, wherein each distributor includes an inlet orifice connected to the tank, a piston suitable for closing the inlet orifice, and a spring tending to prevent the inlet orifice being closed, the distributor being connected to a pressurization pipe downstream from the piston so that the pressure of gas present in the pressurization pipe presses the piston against the inlet orifice. 9. A power plant according to claim 1, wherein the power plant includes a first pressure sensor (PCUV) for measuring the pressure of the fluid in the tank and a second sensor (PFLU) per injector pipe for measuring the pressure of the fluid in each injector pipe. 10. A power plant according to claim 1, wherein the power plant includes a cooler device arranged on each injector pipe. 11. A power plant according to claim 1, wherein the power plant includes a thermally insulating piston arranged in the tank between the fluid and the gas coming from the engine, the piston separating and preventing contact between the fluid and the gas in the tank. 12. A power plant according to claim 11, wherein the power plant includes a manual activation system operable by a pilot, the manual activation system controlling a first gate valve positioned in the first pressurization pipe and a second gate valve positioned in the second pressurization pipe. 13. A power plant according to claim 1, wherein the tank is subdivided into two containers, each container being connected to a single injector pipe. 14. A power plant according to claim 1, wherein the power plant includes an emergency pipe fluidly connecting the tank to a main gearbox driven by the engines, wherein a gate valve is positioned between the tank and the main gearbox and is configured to control flow of the fluid through the emergency pipe. 15. An aircraft, wherein the aircraft includes a power plant according to claim 1. 16. A power plant according to claim 1, wherein each distributor has a body with an inlet orifice and an outlet orifice, a first port connected to the first pressurization pipe, and a second port connected to the second pressurization pipe, the body supporting the piston therein; wherein the piston in each distributor defines a non-through passage and a through passage; andwherein the pressure difference between the first and second pressurization pipes at the first and second ports of the body of the distributor moves the piston in each distributor so as to place one of the through passage or the non-through passage in register with the inlet orifice. 17. A power plant having a first turboshaft engine and a second turboshaft engine each having a gas generator, the power plant including an emergency system for injecting fluid into the engines, the system including a tank containing an aqueous fluid, wherein the power plant includes: a first pressurization pipe and a second pressurization pipe respectively connecting the tank to a first gas generator of the first engine and to a second gas generator of the second engine in order to pressurize the fluid in the tank with gas taken from each of the gas generators;one injector member per engine, each member comprising at least an injector nozzle for injecting the fluid, a first injector device having a first injector pipe connecting the tank to a first injector member of the first engine, a second injector device having a second injector pipe connecting the tank to a second injector member of the second engine; anda distributor arranged on each injector pipe, a first distributor of the first injector pipe communicating with the second pressurization pipe so that a failure of the second engine causes the first distributor to open, and a second distributor of the second injector pipe communicating with the first pressurization pipe so that the failure of the first engine causes the second distributor to open;wherein the power plant includes a thermally insulating piston arranged in the tank between the fluid and the gas coming from the engine, the piston separating and preventing contact between the fluid and the gas in the tank. 18. The power plant of claim 17 further comprising at least one computer; wherein each injector pipe including a metering valve controlled by the at least one computer to an adjustable flow rate of the fluid therethrough. 19. A power plant according to claim 17, wherein the power plant includes a manual activation system operable by a pilot, the manual activation system controlling a first gate valve positioned in the first pressurization pipe and a second gate valve positioned in the second pressurization pipe. 20. A power plant with an emergency system for injecting fluid into engines, the power plant comprising: a first turboshaft engine and a second turboshaft engine each having a gas generator;a tank containing an aqueous fluid;a first pressurization pipe and a second pressurization pipe respectively connecting the tank to a first gas generator of the first engine and to a second gas generator of the second engine in order to pressurize the fluid in the tank with gas taken from each of the gas generators;one injector member per engine, each member comprising at least an injector nozzle for injecting the fluid, a first injector device having a first injector pipe connecting the tank to a first injector member of the first engine, a second injector device having a second injector pipe connecting the tank to a second injector member of the second engine; anda distributor arranged on each injector pipe, a first distributor of the first injector pipe communicating with the second pressurization pipe so that a failure of the second engine causes the first distributor to open, and a second distributor of the second injector pipe communicating with the first pressurization pipe so that the failure of the first engine causes the second distributor to open, wherein each distributor is connected to the first pressurization pipe and to the second pressurization pipe such that each distributor is configured to receive gas from each of the gas generators and such that a pressure difference between the first and second pressurization pipes moves a piston in the associated distributor to control flow through the distributor. 21. The power plant of claim 20 further comprising a thermally insulating piston arranged in the tank between the fluid and the gas coming from the engines, the piston separating and preventing contact between the fluid and the gas in the tank.
연구과제 타임라인
LOADING...
LOADING...
LOADING...
LOADING...
LOADING...
이 특허에 인용된 특허 (5)
DeCarlo Joseph D. (Bridgeport CT), Automatic/manual fuel tank supply balance system.
※ AI-Helper는 부적절한 답변을 할 수 있습니다.