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Filter monitoring system using a thermistor 원문보기

IPC분류정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판)
  • G08B-021/00
출원번호 US-0760238 (2001-01-12)
발명자 / 주소
  • Sherwood, Robert A.
출원인 / 주소
  • The Holmes Group, Inc.
대리인 / 주소
    Hoffmann & Baron, LLP
인용정보 피인용 횟수 : 39  인용 특허 : 49

초록 ▼

A system for monitoring a percentage of filter life remaining of a filter assembly of filter-fan devices. The system uses a single thermistor that is operated in two separate modes for monitoring the filter assembly. The thermistor is positioned in the airflow of the filter-fan adjacent to the air o

대표청구항 ▼

A system for monitoring a percentage of filter life remaining of a filter assembly of filter-fan devices. The system uses a single thermistor that is operated in two separate modes for monitoring the filter assembly. The thermistor is positioned in the airflow of the filter-fan adjacent to the air o

이 특허에 인용된 특허 (49)

  1. Snaper Alvin A. (2800 Cameo Circle Las Vegas NV 89107), Air conditioning system.
    상세보기
  2. Warner John L. (Simsbury CT), Air cycle refrigeration system.
    상세보기
  3. Wrwag Peter (Romanshorn CHX), Apparatus for indicating how dirty an air filter is in a vacuum-cleaning apparatus, in a room filter, etc..
    상세보기
  4. Bowman Harold L. (Rte. #4 ; Box 1177 Pell City AL 35125), Automatic filter network protection, failure detection and correction system and method.
    상세보기
  5. Baysinger Robert L. (St. Louis MO) Newport ; Jr. Harry E. (Crestwood MO), Burner control system.
    상세보기
  6. Baysinger Robert L. (St. Louis MO) Love John J. (St. Louis MO), Burner control system for domestic gas range ovens.
    상세보기
  7. Hess, George E.; Donnelly, Donald E.; Reinwart, Robert E., Combined humidistat and electronic air flow responsive switch.
    상세보기
  8. Allgood Marvin D. (Oxon Hill MD), Computer controlled energy monitoring system.
    상세보기
  9. Cox Karmen D. (St. Peters MO), Control circuit using a sulphonated fluorocarbon humidity sensor.
    상세보기
  10. Brown Bernard T. (St. Louis County MO), Control of staged heating and cooling apparatus by a four-wire thermostat.
    상세보기
  11. Baysinger Robert L. (St. Louis MO), Control system for domestic gas oven burners.
    상세보기
  12. Robin Roger C. (7 Clos du Gandouget Les Elancourtines 78990 Elancourt FRX), Device for the detection of the clogging of an air filter.
    상세보기
  13. Brown Bernard T. (St. Louis MO) Butler William P. (St. Louis MO), Digital thermostat with single rotary encoder switch for establishing set point temperature.
    상세보기
  14. Nordby Craig J., Direct replacement variable speed blower motor.
    상세보기
  15. Ellestad Raymond A. (Rialto CA) Sveen Finn (Redlands CA), Directional thermistor assist sensing.
    상세보기
  16. Pittman Robert R. (Harrison AR) Elbrader Clifford B. (Harrison AR) Milum Jimmy L. (Harrison AR), Electrostatic air cleaner and mounting means therefor.
    상세보기
  17. Baysinger Robert L. (St. Louis County MO), Electrostatic air cleaner with air flow responsive switch.
    상세보기
  18. Voigts Ronald D. (Cary NC), Electrostatic air cleaning system with air flow sensor.
    상세보기
  19. Mayer Horst (Wagenbergstrasse 33 Neheim-Huesten 2 DT 5760), Exhaust apparatus and monitoring circuit therefor.
    상세보기
  20. Debe Mark K. (Stillwater MN) Miller Lowell R. (White Bear Lake MN) Parsonage Edward E. (Minneapolis MN) Poirier Richard J. (White Bear Lake MN) Yuschak Gregory (Hudson WI), Exposure indicator with continuous alarm signal indicating multiple conditions.
    상세보기
  21. Ozkahyaoglu Aysegul (Reed City MI) Zoerner Marty M. (Reed City MI), Filter condition indicator having moveable sensor and aggregate flow counter.
    상세보기
  22. Nelson Lorne W. (Bloomington MN), Filter condition responsive device compensated for changes in medium flow.
    상세보기
  23. Hendrix George E. (Florissant MO) Cox Karmen D. (St. Peters MO), Filter condition sensor and indicator.
    상세보기
  24. Glucksman Dov Z. (Topsfield MA), Filter replacement indicator.
    상세보기
  25. Rippelmeyer Dennis M. (Waterloo IL), Gas burner control system.
    상세보기
  26. Joyce John V.,AUX, Gas fueled heating appliance.
    상세보기
  27. Honkomp Glenn A. (Warren OH) McNay Thomas O. (Clermont OH) Burrows Larry G. (Hamilton OH) Brown James M. (Shelby OH) Bowsky Benjamin (St. Louis MO), Heater apparatus for fluid medium in a hermetically sealed chamber.
    상세보기
  28. Kniepkamp David I. (Fairview Heights IL), Indication of low battery voltage condition by altering of temperature setpoint.
    상세보기
  29. Lawson ; Jr. William H. (4715 Webb Canyon Rd. Claremont CA 91711), Infant bed and apnea alarm.
    상세보기
  30. Kidd Roy E. (Clayton IN), Intelligent pressure probe.
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  31. Fowler Thomas P. (Madison WI), Load indicator for an air cleaner.
    상세보기
  32. Weeks Michael W. (Plymouth GB2) Brandram Thomas C. (Plymouth GB2), Lubrication monitoring systems.
    상세보기
  33. Brown Bernard T. (St. Louis County MO) Perry David L. (Jefferson County MO) Jaeschke Horst E. (Jefferson County MO) Patil Krishna H. (St. Louis County MO), Programmable digital thermostat with means for enabling temporary connection of a battery thereto.
    상세보기
  34. Brown Bernard T. (St. Louis MO) Moore Dwain F. (Marlborough MO), Programmable electronic thermostat with means for enabling economical recovery.
    상세보기
  35. Andrejasich Raymond J. (Carmel IN) Kidd Roy E. (Clayton IN), Programmable pump controller.
    상세보기
  36. Kidd Roy E. (Clayton IN), Pump controller program.
    상세보기
  37. Arnold Harold D. (St. Louis County MO) Kitsch Edward A. (St. Louis County MO), Safety means for preventing the automatic restart of a motor.
    상세보기
  38. Rau C. Peter ; Wilson Glenn E., Shunt voltage regulator with a variable load unit.
    상세보기
  39. Holston Roger W. (St. Louis MO) Hinesley Carl P. (St. Louis MO), Speed control system and method for electric motor.
    상세보기
  40. Honkomp Glenn A. (Warren County OH) McNay Thomas O. (Clermont County OH) Burrows Larry G. (Hamilton County OH), Structural support for hermetic terminal assembly heater apparatus.
    상세보기
  41. Larsen Gregory J. (Claremont CA), Sweeper with recirculation hood and independent filter system.
    상세보기
  42. Bump Scott S. ; Campbell Gary P. ; Dille Joseph C., Thermal mass flowmeter and mass flow controller, flowmetering system and method.
    상세보기
  43. Butler William P. (St. Louis MO) Toth Bartholomew L. (Crestwood MO), Thermostat providing electrical isolation therein between connected heating and cooling transformers.
    상세보기
  44. Brown Bernard T. (St. Louis MO) Donnelly Donald E. (Glen Carbon IL) Toth Bartholomew L. (Crestwood MO), Thermostat with integral means for detecting out-of-phase connection of a two-transformer power source.
    상세보기
  45. Adams George W. (Greenwood IN), Timing mechanism with a PTC thermistor.
    상세보기
  46. Adams George W. (Greenwood IN), Timing mechanism with a PTC thermistor.
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  47. Bowerman Leonard E. (Fairfield CT), Vacuum cleaner including automatic shutoff device.
    상세보기
  48. Fastaia Anthony J. (Vernon CT) Cross Thomas A. (Winsted CT), Vehicle exhaust gas analysis system with gas blockage interlock.
    상세보기
  49. Schnurr Brian F. (3618 Flaherty Cir. Honolulu HI 96818) Preston Michael S. (991-E Tulip Pl. Honolulu HI 96818), Vehicular cooling apparatus.
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이 특허를 인용한 특허 (39)

  1. Landry, Daniel; Tousignant, Daniel; Daher, Alex; Lussier, Marco, Active triac triggering circuit.
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  2. Kim, Seung Ki; Bae, Jun Hyung, Air cleaner.
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  3. Westbrook, Kurt; Bartley, Seth A.; Fry, Kevin D., Airflow indicator assembly and method for vacuum cleaner.
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  4. Nair, Rajesh M., Airflow sensor for filter blockage detection.
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  5. Leen, Cary; Zywicki, Stan; Barton, Eric, Auto test for delta T diagnostics in an HVAC system.
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  6. Tousignant, Daniel; Plouffe, Martin, Bypass switch for in-line power steal.
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  7. Hsiao, Chi-Hung, Electronic apparatus having cooling fan and detachable air filter and control method of cooling fan thereof.
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  8. Hoglund, Steven; Bisson, Reed; Ragland, Amy; Dean-Hendricks, Barbara; Goh, Christopher; Bick, Robert, Filter change alert system for an HVAC system.
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  9. Latham,Steven R.; Garcia,Marvin P.; Cosley,Michael R., Filter system for electronic equipment enclosure.
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  10. Zavodny, Ludek; Bisson, Reed; Hoglund, Steven, HVAC air filter monitor with sensor compensation.
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  11. Leen, Cary; Zywicki, III, Stan; Barton, Eric; Schultz, David; Aljabari, Mohammad, HVAC controller including user interaction log.
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  12. Leen, Cary; Zywicki, Stan; Barton, Eric; Schultz, David; Aljabari, Mohammad, HVAC controller including user interaction log.
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  13. Barton, Eric; Schultz, David; Aljabari, Mohammad, HVAC controller with HVAC system fault detection.
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  14. Dean-Hendricks, Barbara J.; Ragland, Amy, HVAC controller with component change notification.
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  15. Erickson, Peter Joseph; Leen, Cary; Zywicki, Stan; Barton, Eric; Schultz, David; Aljabari, Mohammad, HVAC controller with diagnostic alerts.
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  16. Barton, Eric; Leen, Cary; Zywicki, Stan, HVAC controller with utility saver switch diagnostic feature.
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  17. Bergman, Gabriel A.; Liu, Neo, HVAC controller with wireless network based occupancy detection and control.
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  18. Bergman, Gabriel A.; Liu, Neo, HVAC controller with wireless network based occupancy detection and control.
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  19. Kim, Hyunki; Juntunen, Robert D., Low power consumption AC load switches.
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  20. Dean-Hendricks, Barbara J.; Ragland, Amy; Bisson, Reed H.; Hoglund, Steven R.; Schultz, David; Aljabari, Mohammad, Method and apparatus for configuring a filter change notification of an HVAC controller.
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  21. Zywicki, Stan; Leen, Cary; Dean-Henricks, Barbara; Nichols, Steve C.; Holmquist, Jeffrey; Tesitel, Jan; Schultz, David; Cechak, Jaromir; Tessier, Patrick, Method and system for configuring wireless sensors in an HVAC system.
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  22. Zywicki, Stan; Leen, Cary; Dean-Henricks, Barbara; Nichols, Steve C.; Holmquist, Jeffrey; Tesitel, Jan; Schultz, David; Cechak, Jaromir; Tessier, Patrick, Method and system for configuring wireless sensors in an HVAC system.
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  23. Ragland, Amy; Dean-Hendricks, Barbara; Goh, Christopher; Bisson, Reed; Hoglund, Steven, Method and systems for setting an air filter change threshold value in an HVAC system.
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  24. Cox, Keith; Kapoor, Gaurav; Arnold, Vaughn, Method for estimating temperature at a critical point.
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  25. Cox, Keith; Kapoor, Gaurav; Arnold, Vaughn, Method for estimating temperature at a critical point.
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  26. He,Mengtao Pete; Pappalardo,Paul; Uchiyama,Winston; Triplett,Carl, Methods and apparatus for a low-profile air purifier.
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  27. Hoglund, Steven; Bisson, Reed, Methods and systems for monitoring an air filter of an HVAC system.
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  28. Bisson, Reed; Hoglund, Steven; Ragland, Amy; Dean-Hendricks, Barbara; Goh, Christopher, Methods and systems for setting an air filter change threshold in an HVAC system using a blocking panel.
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  29. Hoglund, Steven; Bisson, Reed; Ragland, Amy; Dean-Hendricks, Barbara, Methods and systems of verifying a filter change in an HVAC system.
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  30. Bravard, Lionel; Landry, Daniel; Tousignant, Daniel; Tremblay, Evelyne; McNabb-Baltar, Joel, Multiple heatsink cooling system for a line voltage thermostat.
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  31. Bravard, Lionel; Landry, Daniel; Tousignant, Daniel; Tremblay, Evelyne; McNabb-Baltar, Joel, Multiple heatsink cooling system for a line voltage thermostat.
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  32. Juntunen, Robert D.; Frenz, Jonathan P.; Diedrich, Devin, Power transformation system with characterization.
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  33. Nichols, Steve C.; Leen, Cary; Boll, Jeffrey; Zywicki, Stan, Systems and methods for associating wireless devices of an HVAC system.
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  34. Kang,Pengju; Farzad,Mohsen; Stricevic,Slaven; Sadegh,Payman; Finn,Alan M., Technique for detecting and predicting air filter condition.
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  35. Cox, Keith; Just, Andrew Bradley; Watson, Matthew G.; Albert, Eric; Powers, David Matthew; West, Daniel Ariel; Novotney, Donald J.; Culbert, Michael F., Thermal management techniques in an electronic device.
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  36. Cox, Keith; Just, Andrew Bradley; Watson, Matthew G.; Albert, Eric; Powers, David; West, Daniel Ariel; Novotney, Donald J.; Culbert, Michael F., Thermal management techniques in an electronic device.
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  37. Robideau, Kurt; Lemire, Patrick R.; Juntunen, Robert D., Thermostat circuitry to control power usage.
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  38. Tousignant, Daniel; Landry, Daniel; Daher, Alex, Triac or bypass circuit and MOSFET power steal combination.
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  39. Boutin, Dominic; Gelinas, Daniel; Beland, Stephane Joseph Pierre; Boutin, Vincent, Wireless thermostatic controlled electric heating system.
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