IPC분류정보
국가/구분 |
United States(US) Patent
등록
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국제특허분류(IPC7판) |
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출원번호 |
UP-0559640
(2006-11-14)
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등록번호 |
US-7581427
(2009-09-16)
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발명자
/ 주소 |
|
출원인 / 주소 |
|
대리인 / 주소 |
Sherrill Law Offices, PLLC
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인용정보 |
피인용 횟수 :
0 인용 특허 :
9 |
초록
▼
A system and method for sensing and reporting atmospheric analyte levels in a workspace. The system includes (i) a remotely located gas analyte sensor, (ii) a tube attached to the sensor and defining a lumen through which the sensor is placed in fluid communication with a workspace, and (iii) a fan
A system and method for sensing and reporting atmospheric analyte levels in a workspace. The system includes (i) a remotely located gas analyte sensor, (ii) a tube attached to the sensor and defining a lumen through which the sensor is placed in fluid communication with a workspace, and (iii) a fan in sealed fluid communication with the lumen of the tube for continuously moving gaseous content from the workspace through the lumen and into operative engagement with the sensor. The method includes the steps of (a) placing the distal end of the tube within a workspace, (b) activating the fan so as to continuously move gaseous content from the workspace through the tube and into operative engagement with the sensor, and (c) sensing and reporting analyte levels in the workspace with the sensor.
대표청구항
▼
I claim: 1. A system, comprising: (a) a gas analyte sensor remotely located relative to a workspace, (b) a tube attached to the sensor and defining a lumen through which the sensor is placed in fluid communication with the workspace, and (c) a fan in fluid communication with the lumen of the tube f
I claim: 1. A system, comprising: (a) a gas analyte sensor remotely located relative to a workspace, (b) a tube attached to the sensor and defining a lumen through which the sensor is placed in fluid communication with the workspace, and (c) a fan in fluid communication with the lumen of the tube for continuously moving gaseous content from the workspace through the lumen and into operative engagement with the sensor, (d) whereby the sensor can sense and report analyte levels in the workspace. 2. The system of claim 1 wherein the fan is in sealed fluid communication with the lumen of the tube. 3. The system of claim 1 wherein the gas analyte sensor is an oxygen sensor. 4. A system, comprising: (a) a form, fill, and seal machine defining a workspace open to the atmosphere wherein packaging is filled with a product and sealed, (b) a flush system for flushing the workspace with an inert gas to reduce oxygen levels in the workspace, (c) an oxygen sensor remotely located relative to the workspace, (d) a tube attached to the oxygen sensor and defining a lumen through which the oxygen sensor is placed in fluid communication with the workspace, and (e) a fan in sealed fluid communication with the lumen of the tube for continuously moving gaseous content from the workspace into operative engagement with the oxygen sensor, (f) whereby the oxygen sensor can sense and report O2 levels in the workspace. 5. The system of claim 4 wherein (i) the flush system includes a flow-control valve for controlling flow rate of inert gas through the flush system and into the workspace, and (ii) the system further includes a microcontroller in electrical communication with the flow-control valve and the oxygen sensor for (A) opening the flow-control valve to increase the flow rate of inert gas through the flush system and into the workspace when the oxygen sensor senses an O2 level within the workspace above a defined first threshold value, and (B) closing the flow-control valve to decrease the flow rate of inert gas through the flush system and into the workspace when the oxygen sensor senses an O2 level below a defined second threshold value. 6. The tool of claim 4 wherein the inert gas is N2, CO2 or a combination thereof. 7. The tool of claim 5 wherein the inert gas is N2, CO2 or a combination thereof. 8. A method of sensing and reporting analyte levels in a workspace, comprising: (a) placing a distal end of a tube attached to an analyte sensor within a workspace, (b) activating a fan in sealed fluid communication with the lumen of the tube so as to continuously move gaseous content from the workspace through the tube and into operative engagement with the sensor, and (c) sensing and reporting analyte levels in the workspace with the sensor. 9. The method of claim 8 further comprising the step of adjusting a flow rate of inert gas into the workspace based upon the reported level of analyte in the workspace. 10. The method of claim 8 wherein the workspace is a workspace defined by a form, fill, and seal machine wherein packaging is filled with a product and sealed. 11. The method of claim 8 further wherein the analyte sensor is an oxygen sensor. 12. A method of controlling inert gas flushing of a form, fill, and seal machine workspace, comprising: (a) placing the distal end of a tube attached to an oxygen sensor within the workspace of a form, fill, and seal machine, (b) activating a fan in sealed fluid communication with the lumen of the tube so as to continuously move gaseous content from the workspace through the tube and into operative engagement with the oxygen sensor, (c) sensing and reporting O2 levels in the workspace with the oxygen sensor, and (d) adjusting a flow rate of inert gas into the workspace based upon the reported level of O2 in the workspace. 13. The method of claim 12 wherein the flow rate of inert gas into the workspace is automatically increased when the oxygen sensor senses an O2 level within the workspace above a defined first threshold value, and the flow rate of inert gas into the workspace is automatically decreased when the oxygen sensor senses an O2 level within the workspace below a defined second threshold value. 14. The method of claim 12 wherein the inert gas is N2, CO2 or a combination thereof. 15. The method of claim 13 wherein the inert gas is N2, CO2 or a combination thereof.
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