CA1161523A - Air conditioning control system with master and tracking controllers - Google Patents

Air conditioning control system with master and tracking controllers

Info

Publication number
CA1161523A
CA1161523A CA000377271A CA377271A CA1161523A CA 1161523 A CA1161523 A CA 1161523A CA 000377271 A CA000377271 A CA 000377271A CA 377271 A CA377271 A CA 377271A CA 1161523 A CA1161523 A CA 1161523A
Authority
CA
Canada
Prior art keywords
signal
flow
damper
air conditioning
flow variable
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
CA000377271A
Other languages
English (en)
French (fr)
Inventor
William J. Harris
William J. Waeldner
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Dynamics Corp of America
Mestek Inc
Original Assignee
Dynamics Corp of America
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Dynamics Corp of America filed Critical Dynamics Corp of America
Priority to CA000443123A priority Critical patent/CA1182715A/en
Application granted granted Critical
Publication of CA1161523A publication Critical patent/CA1161523A/en
Expired legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/70—Control systems characterised by their outputs; Constructional details thereof
    • F24F11/72—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure
    • F24F11/74—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure for controlling air flow rate or air velocity
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/70—Control systems characterised by their outputs; Constructional details thereof
    • F24F11/72—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure
    • F24F11/74—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure for controlling air flow rate or air velocity
    • F24F11/76—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure for controlling air flow rate or air velocity by means responsive to temperature, e.g. bimetal springs
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D23/00—Control of temperature
    • G05D23/185—Control of temperature with auxiliary non-electric power
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00—Fluid handling
    • Y10T137/2496—Self-proportioning or correlating systems
    • Y10T137/2514—Self-proportioning flow systems
    • Y10T137/2521—Flow comparison or differential response

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • Fluid Mechanics (AREA)
  • Power Engineering (AREA)
  • General Physics & Mathematics (AREA)
  • Automation & Control Theory (AREA)
  • Air Conditioning Control Device (AREA)
  • Flow Control (AREA)
  • Air-Flow Control Members (AREA)
CA000377271A 1980-05-12 1981-05-11 Air conditioning control system with master and tracking controllers Expired CA1161523A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CA000443123A CA1182715A (en) 1980-05-12 1983-12-12 Air conditioning control system with master and tracking controllers

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US06/148,751 US4284237A (en) 1980-05-12 1980-05-12 Air conditioning control system with master and tracking controllers
US148,751 1980-05-12

Related Child Applications (1)

Application Number Title Priority Date Filing Date
CA000443123A Division CA1182715A (en) 1980-05-12 1983-12-12 Air conditioning control system with master and tracking controllers

Publications (1)

Publication Number Publication Date
CA1161523A true CA1161523A (en) 1984-01-31

Family

ID=22527194

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000377271A Expired CA1161523A (en) 1980-05-12 1981-05-11 Air conditioning control system with master and tracking controllers

Country Status (5)

Country Link
US (1) US4284237A (enExample)
JP (1) JPS572947A (enExample)
AU (1) AU534709B2 (enExample)
CA (1) CA1161523A (enExample)
ZA (1) ZA813014B (enExample)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4352453A (en) * 1981-01-19 1982-10-05 Interpace Corporation Fan control for variable air volume terminal unit
US4375224A (en) * 1981-01-21 1983-03-01 Acutherm, Inc. Air conditioning control equipment
US4422571A (en) * 1981-05-22 1983-12-27 Hoffman Controls Corp. Proportional motor drive control
US4394869A (en) * 1981-12-16 1983-07-26 Barber-Colman Company Reset controller with improved input mechanism
US4428529A (en) 1982-07-26 1984-01-31 Honeywell Inc. Flow synchronization
US4643353A (en) * 1985-02-19 1987-02-17 Anemostat Products Division, Dynamics Corp. Air conditioning control system with enhanced operating range
JPH06100361B2 (ja) * 1986-02-28 1994-12-12 株式会社クボタ 空調システムの制御方法およびそれに用いるｖａｖユニット
US4694988A (en) * 1986-03-10 1987-09-22 Tempmaster Corporation Control installation for variable volume air diffusers
US4648552A (en) * 1986-03-10 1987-03-10 Carlson Melvin C Control installation for variable volume air diffusers
US4773307A (en) * 1987-05-04 1988-09-27 United Technologies Corporation Method and apparatus for preventing cabin depressurization
US4821955A (en) * 1988-01-29 1989-04-18 Acutherm, Ltd. Thermally-powered active master and passive satellite air diffuser system
US4934256A (en) * 1989-02-14 1990-06-19 Labconco Corporation Fume hood ventilation control system
US4957238A (en) * 1989-10-30 1990-09-18 Kreuter Mfg. Co., Inc. Pneumatic variable air volume controller

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1558529A (en) * 1924-02-29 1925-10-27 Askaniawerke A G Vormals Centr Gas-mixture regulator
US1673872A (en) * 1925-02-07 1928-06-19 Huessener Julie Regulation of flow of fluids
US3941310A (en) * 1974-01-28 1976-03-02 Wehr Corporation Thermostatic control for use in variable air distribution systems
US4189092A (en) * 1979-01-08 1980-02-19 Barber-Colman Company Damper control for preventing spread of fire and smoke through an induction mixing box

Also Published As

Publication number Publication date
US4284237A (en) 1981-08-18
AU7042881A (en) 1981-11-26
JPS572947A (en) 1982-01-08
ZA813014B (en) 1982-08-25
AU534709B2 (en) 1984-02-09
JPS6310339B2 (enExample) 1988-03-05

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Legal Events

Date Code Title Description
MKEX Expiry