Pre-filtration and maintenance sensing for explosion-proof enclosures
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
B01D-046/10
B01D-046/46
H05K-007/20
출원번호
US-0024313
(2013-09-11)
등록번호
US-9302213
(2016-04-05)
발명자
/ 주소
Manahan, Joseph Michael
DeCarr, Graig E.
출원인 / 주소
Cooper Technologies Company
대리인 / 주소
King & Spalding LLP
인용정보
피인용 횟수 :
0인용 특허 :
35
초록▼
A filter system for an explosion-proof enclosure is described herein. The filter system can include a pre-filter assembly located outside the explosion-proof enclosure. The pre-filter assembly can include a pre-filter material configured to control air passing therethrough. The filter system can als
A filter system for an explosion-proof enclosure is described herein. The filter system can include a pre-filter assembly located outside the explosion-proof enclosure. The pre-filter assembly can include a pre-filter material configured to control air passing therethrough. The filter system can also include a filter assembly coupled to the pre-filter assembly. The filter assembly can further control the air received from the pre-filter assembly and passing therethrough into the explosion-proof enclosure.
대표청구항▼
1. A maintenance sensing system for an enclosure, the maintenance sensing system comprising: a filter system located in an aperture in a wall of the enclosure, wherein the filter system controls air flowing into the enclosure, wherein the enclosure is suitable for explosive environments, and wherein
1. A maintenance sensing system for an enclosure, the maintenance sensing system comprising: a filter system located in an aperture in a wall of the enclosure, wherein the filter system controls air flowing into the enclosure, wherein the enclosure is suitable for explosive environments, and wherein the filter system comprises at least one enclosure coupling feature that couples to the wall of the enclosure so that the enclosure complies with industry standards for explosion-proof enclosures;a sensor that measures an operating value of an operating parameter inside the enclosure, wherein the operating value is associated with the air flowing into the enclosure through the filter system;a control device operatively coupled to the sensor, wherein the control device: receives the operating value from the sensor;determines that the operating value exceeds a threshold value; andperforms, based on determining that the operating value exceeds a threshold value, a maintenance operation to reduce the operating value of the operating parameter inside the enclosure. 2. The maintenance sensing system of claim 1, wherein the maintenance operation comprises sending an alert to a user that maintenance of the filter system is required. 3. The maintenance sensing system of claim 1, further comprising: a reverse air flow mechanism located within the enclosure, wherein the reverse air flow mechanism reverses a direction of the air flowing into the enclosure,wherein the maintenance operation comprises blowing the air from inside the enclosure back through the filter system using the reverse air flow mechanism. 4. The maintenance sensing system of claim 1, further comprising: a vibration mechanism located proximate to the filter system, wherein the vibration mechanism generates a controlled vibration that is applied to the filter system,wherein the maintenance operation comprises vibrating the filter system using the vibration mechanism. 5. The maintenance sensing system of claim 1, further comprising: a paddle of a mechanical cleaning device coupled to the enclosure,wherein the paddle strikes a portion of the filter system, andwherein the maintenance operation comprises striking the portion of the filter system using a mechanical arm that directs the paddle. 6. The maintenance sensing system of claim 1, wherein the filter system comprises: a filter assembly coupled to the explosion-proof enclosure and covering the aperture in the explosion-proof enclosure; anda pre-filter assembly located outside the explosion-proof enclosure and covering the filter assembly and the aperture in the explosion-proof enclosure. 7. The maintenance sensing system of claim 6, wherein the maintenance operation comprises sending an alert to a user that maintenance of the filter assembly is required. 8. The maintenance sensing system of claim 6, wherein the maintenance operation comprises sending an alert to a user that maintenance of the pre-filter assembly is required. 9. The maintenance sensing system of claim 6, wherein the maintenance operation comprises blowing the air from inside the explosion-proof enclosure through the filter assembly and the pre-filter assembly using a reverse air flow mechanism. 10. The maintenance sensing system of claim 6, wherein the reverse air flow mechanism is positioned inside the explosion-proof enclosure. 11. The maintenance sensing system of claim 6, wherein the pre-filter assembly comprises a reinforcement structure and a pre-filter material disposed over the reinforcement structure, wherein the pre-filter material controls air passing therethrough. 12. The maintenance sensing system of claim 11, wherein the maintenance operation comprises vibrating the reinforcement structure of the pre-filter assembly using a vibration mechanism. 13. The maintenance sensing system of claim 11, wherein the maintenance operation comprises striking the pre-filter material of the pre-filter system using a paddle directed by a mechanical arm. 14. The maintenance sensing system of claim 13, wherein the paddle is located inside the explosion-proof enclosure. 15. The maintenance sensing system of claim 1, wherein the operating parameter is a temperature, wherein the sensor comprises a temperature measuring device. 16. The maintenance sensing system of claim 1, wherein the operating parameter is a pressure differential, wherein the sensor comprises a first pressure measuring device and a second pressure measuring device. 17. The maintenance sensing system of claim 16, wherein the filter system comprises: a filter assembly coupled to the explosion-proof enclosure and covering the aperture in the explosion-proof enclosure; anda pre-filter assembly located outside the explosion-proof enclosure and covering the filter assembly and the aperture in the explosion-proof enclosure,wherein the first pressure measuring device measures a first pressure at the pre-filter assembly, and wherein the second pressure measuring device measures a second pressure inside the explosion-proof enclosure. 18. The maintenance sensing system of claim 1, wherein the operating parameter is air flow, wherein the sensor comprises an air flow measuring device. 19. An explosion-proof enclosure, comprising: an enclosure body having an aperture that traverses therethrough;an enclosure cover coupled to the enclosure body;a filter system located in the aperture of the explosion-proof enclosure, wherein the filter system controls air flowing into the explosion-proof enclosure, and wherein the filter system comprises at least one enclosure coupling feature that couples to the explosion-proof enclosure so that the explosion-proof enclosure complies with industry standards for explosion-proof enclosures;a sensor that measures an operating value of an operating parameter inside the explosion-proof enclosure, wherein the operating value is associated with the air flowing into the explosion-proof enclosure through the filter system; anda control device operatively coupled to the sensor, wherein the control device: receives the operating value from the sensor;determines that the operating value exceeds a threshold value; andperforms, based on determining that the operating value exceeds a threshold value, a maintenance operation to reduce the operating value of the operating parameter inside the explosion-proof enclosure. 20. The explosion-proof enclosure of claim 19, wherein the filter system comprises: a filter assembly coupled to the explosion-proof enclosure and covering the aperture in the explosion-proof enclosure; anda pre-filter assembly located outside the explosion-proof enclosure and covering the filter assembly and the aperture in the explosion-proof enclosure.
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이 특허에 인용된 특허 (35)
Austin, Jr., Ralph G.; Sulva, Michael, Air filtration for nuclear reactor habitability area.
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