On-board generation of oxygen for aircraft pilots
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
A62B-007/14
A62B-018/02
A62B-007/00
A62B-007/02
A62B-007/08
A62B-009/00
B64D-013/02
B64D-011/00
B64D-013/06
출원번호
US-0481095
(2012-05-25)
등록번호
US-9550575
(2017-01-24)
발명자
/ 주소
Kshirsagar, Girish S.
Degenhardt, Detlev
Sherif, Ashraf
출원인 / 주소
B/E Aerospace, Inc.
대리인 / 주소
Shumaker, Loop & Kendrick, LLP
인용정보
피인용 횟수 :
0인용 특허 :
62
초록▼
The present invention provides a system and method for supplying and managing oxygen suited for use on-board an aircraft for providing breathable oxygen to pilots and cockpit crew. Components of the system work together to optimize oxygen utilization while reducing costs from maintenance and added w
The present invention provides a system and method for supplying and managing oxygen suited for use on-board an aircraft for providing breathable oxygen to pilots and cockpit crew. Components of the system work together to optimize oxygen utilization while reducing costs from maintenance and added weight of traditional pressurized gaseous cylinders. Components include a rapid oxygen supply for immediate use in emergency situations, an on-board oxygen generator (OBOG), a controller, a pulsed oxygen delivery subsystem that detects inhale/exhale phases and adapts to physiological requirements, and a breathing mask for each pilot and cockpit crew member.
대표청구항▼
1. A system for providing regulated flow of oxygen, for a pilot or a cockpit crew member on an aircraft, comprising: a first on-board oxygen supplier configured to supply oxygen during an initial stage, said first on-board oxygen supplier including a combination of a pressurized oxygen cylinder and
1. A system for providing regulated flow of oxygen, for a pilot or a cockpit crew member on an aircraft, comprising: a first on-board oxygen supplier configured to supply oxygen during an initial stage, said first on-board oxygen supplier including a combination of a pressurized oxygen cylinder and a chemical oxygen generator;at least one first oxygen source sensor connected to said first on-board oxygen supplier configured to determine an available oxygen volume and an oxygen concentration of oxygen in said first on-board oxygen supplier;a second on-board oxygen supplier configured to supply oxygen during a subsequent stage, wherein the second on-board oxygen supplier comprises a combination of a molecular sieve oxygen generator incorporating pressure swing adsorption, and at least one of a ceramic oxygen generator incorporating a solid electrolyte oxygen separator, and a pressure swing adsorption oxygen generator;a second oxygen source sensor connected to said second on-board oxygen supplier configured to determine an oxygen concentration of oxygen supplied by said second on-board oxygen supplier;a pulsed oxygen delivery subsystem connected to the first on-board oxygen supplier by a first feed line and connected to the second on-board oxygen supplier by a second feed line and configured to receive oxygen supplied by said first on-board oxygen supplier and said second on-board oxygen supplier;a first oxygen usage sensor disposed in said first feed line connected between said first on-board oxygen supplier and said pulsed oxygen delivery subsystem, said first oxygen usage sensor being configured to measure a rate of usage of oxygen from said first on-board oxygen supplier;a second oxygen usage sensor disposed in said second feed line connected between said second on-board oxygen supplier and said pulsed oxygen delivery subsystem, said second oxygen usage sensor being configured to measure a rate of usage of oxygen from said second on-board oxygen supplier; anda controller configured to control the first on-board oxygen supplier and the second on-board oxygen supplier based on the rates of usage of oxygen from said first and second on-board oxygen suppliers, said available oxygen volume and oxygen concentration in said first on-board oxygen supplier, and said oxygen concentration of oxygen supplied by said second on-board oxygen supplier. 2. The system of claim 1, wherein the first on-board oxygen supplier is configured to supply a first gas stream having an oxygen concentration of 95% or greater. 3. The system of claim 1, wherein said pulsed oxygen delivery subsystem is configured to regulate flow of oxygen to a pilot or cockpit crew member based on a sensed breathing pattern and physiological requirements. 4. The system of claim 3, further comprising a breathing mask connected to the pulsed oxygen delivery subsystem, the breathing mask configured to supply oxygen through the breathing mask from the pulsed oxygen delivery subsystem to a pilot or a cockpit crew member. 5. The system of claim 4, further comprising at least one sensor in a communicating relationship with the pulsed oxygen delivery subsystem, the sensor configured to sense a pressure drop to indicate an inhalation phase of a breathing cycle of a pilot or a cockpit crew member. 6. The system of claim 1, wherein the controller is configured to optimize performance by adjusting at least one of the following parameters: a rate of air flow supplied to the first on-board oxygen supplier or to the second on-board oxygen supplier, a temperature of the first on-board oxygen supplier, a temperature of the second on-board oxygen supplier, a pressure of the first on-board oxygen supplier, and a pressure of the second on-board oxygen supplier. 7. A system for providing regulated flow of oxygen, including for a pilot or a cockpit crew member on-board an aircraft, comprising: a first on-board oxygen supplier configured to supply oxygen during an initial stage, said first on-board oxygen supplier including a combination of a pressurized oxygen cylinder and a chemical oxygen generator;at least one first oxygen source sensor connected to said first on-board oxygen supplier configured to determine an available oxygen volume and oxygen concentration of oxygen in said first on-board oxygen supplier;a second on-board oxygen supplier including a plurality of on-board oxygen generators, wherein the second on-board oxygen supplier comprises a combination of a molecular sieve oxygen generator incorporating pressure swing adsorption, and at least one of a ceramic oxygen generator incorporating a solid electrolyte oxygen separator, and a pressure swing adsorption oxygen generator;a second oxygen source sensor connected to said second on-board oxygen supplier configured to determine an oxygen concentration of oxygen supplied by said second on-board oxygen supplier;a controller electrically connected to both the first on-board oxygen supplier and the second on-board oxygen supplier, the controller configured to control both the first on-board oxygen supplier and the second on-board oxygen supplier;a pulsed oxygen delivery subsystem connected to the first on-board oxygen supplier, the second on-board oxygen supplier, and the controller, and downstream of the first on-board oxygen supplier and the second on-board oxygen supplier;a first oxygen usage sensor disposed in a first feed line connected between said first on-board oxygen supplier and said pulsed oxygen delivery subsystem, said first oxygen usage sensor being configured to measure a rate of usage of oxygen from said first on-board oxygen supplier;a second oxygen usage sensor disposed in a second feed line connected between said second on-board oxygen supplier and said pulsed oxygen delivery subsystem, said second oxygen usage sensor being configured to measure a rate of usage of oxygen from said second on-board oxygen supplier; anda breathing mask for a pilot or a cockpit crew member connected to and downstream of the pulsed oxygen delivery subsystem, said breathing mask including a breathing mask oxygen usage sensor provided within said breathing mask and connected to said pulsed oxygen delivery subsystem, said breathing mask oxygen usage sensor being configured to measure oxygen usage rates within said breathing mask, and wherein the pulsed oxygen delivery subsystem is configured to regulate flow of oxygen to the breathing mask based on a sensed breathing pattern and physiological requirements of a pilot or a cockpit crew member, oxygen usage rates within said breathing mask, the rates of usage of oxygen from said first and second on-board oxygen suppliers, said available oxygen volume and oxygen concentration in said first on-board oxygen supplier, and said oxygen concentration of oxygen supplied by said second on-board oxygen supplier.
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