Optical probe containing oxygen, temperature, and pressure sensors and monitoring and control systems containing the same
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
G05D-011/13
B64D-037/32
G01K-013/00
G01D-011/24
G01K-011/32
G01N-021/77
G01N-021/64
G01L-007/02
G01D-005/26
출원번호
US-0837286
(2013-03-15)
등록번호
US-9298193
(2016-03-29)
발명자
/ 주소
Susko, Kenneth
출원인 / 주소
Susko, Kenneth
대리인 / 주소
Dickinson Wright PLLC
인용정보
피인용 횟수 :
0인용 특허 :
19
초록▼
A probe for measuring oxygen, temperature, and pressure in a space to be monitored, comprising: a housing, comprising a thermally conductive material; an oxygen sensor disposed within the housing, comprising: a first end having coated thereon a coating which fluoresces at a fluorescent frequency whe
A probe for measuring oxygen, temperature, and pressure in a space to be monitored, comprising: a housing, comprising a thermally conductive material; an oxygen sensor disposed within the housing, comprising: a first end having coated thereon a coating which fluoresces at a fluorescent frequency when exposed to light having an excitation frequency in the absence of associated oxygen, and which undergoes a dampening of said fluorescence in the presence of associated oxygen; and a second end operatively connected to an optical fiber that extends through the housing; wherein the first end extends through the housing and is adapted to be exposed to the space to be monitored; a temperature sensor disposed within the housing adjacent to the thermally conductive material, comprising a fiber Bragg grating, or a semiconductor material, such as a GaAS material, wherein the temperature sensor does not extend through the housing and is not exposed to the space to be monitored; a pressure sensor disposed within the housing, comprising a fiber Bragg grating or a Fabry-Pérot white light interferometry sensor having a first end which extends through the housing and is adapted to be exposed to the space to be monitored.
대표청구항▼
1. A probe for measuring oxygen, temperature, and pressure in a space to be monitored, comprising: a housing, comprising a thermally conductive material;an oxygen sensor disposed within the housing, comprising: a first end having coated thereon a coating which fluoresces at a fluorescent frequency w
1. A probe for measuring oxygen, temperature, and pressure in a space to be monitored, comprising: a housing, comprising a thermally conductive material;an oxygen sensor disposed within the housing, comprising: a first end having coated thereon a coating which fluoresces at a fluorescent frequency when exposed to light having an excitation frequency in the absence of associated oxygen, and which undergoes a dampening of said fluorescence in the presence of associated oxygen; anda second end operatively connected to an optical fiber that extends through the housing;wherein the first end extends through the housing and is adapted to be exposed to the space to be monitored;a temperature sensor disposed within the housing adjacent to the thermally conductive material, wherein the temperature sensor does not extend through the housing and is not exposed to the space to be monitored;a pressure sensor disposed within the housing, having a first end which extends through the housing and is adapted to be exposed to the space to be monitored. 2. The probe according to claim 1, wherein the temperature sensor or the pressure sensor, or both, comprise a fiber Bragg grating. 3. The probe according to claim 1, wherein the temperature sensor comprises a semiconductor material. 4. The probe according to claim 1, wherein the temperature sensor comprises a gallium arsenide material. 5. The probe according to claim 1, wherein the pressure sensor comprises a Fabry-Pérot white light interferometry sensor. 6. The probe according to claim 1, wherein the temperature sensor comprises a gallium arsenide material and the pressure sensor comprises a Fabry-Pérot white light interferometry sensor. 7. The probe according to claim 1, wherein the temperature sensor and the pressure sensor are integrated together within the probe tip. 8. A system for monitoring the level of oxygen in a space to be monitored, comprising: the probe according to claim 1; andan analyzer for calculating oxygen partial pressure based upon the fluorescence damping, temperature, and pressure data provided by the probe. 9. A system for controlling the concentration of oxygen in a space, comprising: the system for monitoring the level of oxygen in the space, according to claim 8; anda controller for introducing an inert gas into the space when the level of oxygen in the space reaches a predetermined level. 10. A vehicle comprising the system for controlling the concentration of oxygen in a space according to claim 9. 11. A method for monitoring the level of oxygen in a space equipped with a probe according to claim 1, comprising: obtaining fluorescence damping data from the oxygen sensor;obtaining temperature data from the temperature sensor;obtaining pressure data from the pressure sensor taking into account the temperature data from the temperature sensor;determining the partial pressure of oxygen from said fluorescence damping data, said temperature data, and said pressure data. 12. A method for controlling the level of oxygen in a space, comprising: monitoring the level of oxygen in the space according to claim 11;controlling the introduction of an inert gas into the space by introducing said inert gas into the space when the level of oxygen reaches a predetermined level.
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이 특허에 인용된 특허 (19)
Runnels, Joe N.; Fagerlund, Kenneth R., Combustibly inert air supply system and method.
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