GB1382644A - Air distribution control - Google Patents

Air distribution control

Info

Publication number
GB1382644A
GB1382644A GB1212172A GB1212172A GB1382644A GB 1382644 A GB1382644 A GB 1382644A GB 1212172 A GB1212172 A GB 1212172A GB 1212172 A GB1212172 A GB 1212172A GB 1382644 A GB1382644 A GB 1382644A
Authority
GB
United Kingdom
Prior art keywords
air
damper
thermostat
motor
switch
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
GB1212172A
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.)
Trane Co
Original Assignee
Trane Co
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 Trane Co filed Critical Trane Co
Publication of GB1382644A publication Critical patent/GB1382644A/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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F2110/00—Control inputs relating to air properties
    • F24F2110/30—Velocity

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Air-Flow Control Members (AREA)
  • Air Conditioning Control Device (AREA)

Abstract

1382644 Air distribution terminals TRANE CO 15 March 1972 [16 March 1971] 12121/72 Heading F4V The ventilation apparatus of Specification 1,363,684 is modified so that it can be used with heated or cooled air, the operation of the automatic damper being reversed in the two different cases. Specification 1,363,684 describes apparatus (Fig. 1, not shown) in which the amount of cooling air entering a ventilated zone is controlled by a thermostat through a damper in the air-duct. If the temperature sensor 52 indicates a low temperature it closes a contact connected to a motor 19 arranged to close the damper. If the temperature is too high the thermostat energizes a contact connected to the damper opening motor 20. There is also a pressure-sensitive switch 38 responding to an excessive rate of flow of air in the duct to disconnect the power from terminal 41 and the thermostat 52 and to apply it instead to terminal 42 connected to the damper closing motor 19. Excessive air-flow therefore removes the thermostat from the control and closes the damper. The modification of this invention provides a pair of change-over switches 60, 61 for the two motors controlled by a heat-sensitive bulb 68 in the air duct. By this means the apparatus may be used with heated air the connections to the motors automatically being reversed so that when the thermostat detects too low a temperature the motor 20 is operated to open the damper and increase the air-flow and vice-versa. To prevent uncontrolled hunting of the control system a modification (Fig. 3, not shown) provides a second switch on the excessive air-speed detector. The damper opening motor is operated by the thermostat through normally closed contacts on the first switch but the damper closing motor is operated either directly by the thermostat or, when excess air-speed is detected, directly through normally open contacts of the second switch.
GB1212172A 1971-03-16 1972-03-15 Air distribution control Expired GB1382644A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US12473271A 1971-03-16 1971-03-16

Publications (1)

Publication Number Publication Date
GB1382644A true GB1382644A (en) 1975-02-05

Family

ID=22416542

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1212172A Expired GB1382644A (en) 1971-03-16 1972-03-15 Air distribution control

Country Status (8)

Country Link
US (1) US3690548A (en)
AU (1) AU455698B2 (en)
CA (1) CA954370A (en)
DE (1) DE2213212A1 (en)
FR (1) FR2130283B1 (en)
GB (1) GB1382644A (en)
IT (1) IT952285B (en)
ZA (1) ZA721820B (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4011735A (en) * 1973-11-30 1977-03-15 Westinghouse Electric Corporation Blower system and control system therefor
US4182484A (en) * 1978-04-24 1980-01-08 The Trane Company Temperature control for variable volume air conditioning system
JPS5714727U (en) * 1980-06-27 1982-01-26
US4556169A (en) * 1984-06-07 1985-12-03 Honeywell Inc. On-off thermostat based modulating air flow controller
CA1296941C (en) * 1986-12-01 1992-03-10 Edward F. Wright, Jr. Static pressure control in variable air volume delivery systems
SE458802B (en) * 1987-04-03 1989-05-08 Stifab Ab CONTROL DEVICE FOR SETTING A JAM IN A VENTILATION CHANNEL
US20120255851A1 (en) * 2011-04-05 2012-10-11 Clark Donnell Freeman Combination Pressure and Temperature Sensor for Simultaneous Temperature and Pressure Analyzing in HVAC Ducts
EP2846103B1 (en) * 2013-09-05 2018-01-31 Aeris Soluciones De Control, S.L. Regulation method for regulating an air conditioning system

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2257540A (en) * 1936-06-25 1941-09-30 Hoover Co Air conditioning system
US2196687A (en) * 1937-01-16 1940-04-09 Honeywell Regulator Co Air conditioning system
US2236914A (en) * 1939-02-17 1941-04-01 Honeywell Regulator Co Temperature control system
US2327208A (en) * 1941-09-15 1943-08-17 Honeywell Regulator Co Control device
US2598397A (en) * 1949-10-05 1952-05-27 Gen Electric Air-cooling attachment for warm air furnace systems

Also Published As

Publication number Publication date
ZA721820B (en) 1973-10-31
CA954370A (en) 1974-09-10
FR2130283B1 (en) 1976-08-06
DE2213212A1 (en) 1972-09-28
IT952285B (en) 1973-07-20
AU3993472A (en) 1973-09-20
AU455698B2 (en) 1974-11-12
FR2130283A1 (en) 1972-11-03
US3690548A (en) 1972-09-12

Similar Documents

Publication Publication Date Title
GB1382644A (en) Air distribution control
ES472480A1 (en) Air conditioning installation
ES8302851A1 (en) Control device for a ventilation device of an internal-combustion engine.
GB1433892A (en) Automotive vehicle automatic temperature control system
GB1363684A (en) Air delivering apparatus
ES449754A1 (en) System for controlling a cooling circuit
US2574925A (en) Heating system control
GB1094085A (en) A space heating system having combined heating and cooling apparatus
GB1379396A (en) Magnetic disc storage assembly
GB1490336A (en) Ventilation and/or air temperature control apparatus
GB1128887A (en) Improvements in or relating to sealing and forced-air circulation arrangement for electric motor controls
US1813732A (en) Furnace control
GB478415A (en) Improvements in temperature control systems
GB1103525A (en) Heating and ventilating systems
US2068283A (en) Electrical control system
GB728281A (en) Automatic ventilating and cooling system
GB571735A (en) Improved means for heating or cooling and ventilating buildings
JPS58102046A (en) Air conditioner
JPS57147917A (en) Car air conditioner
GB1072290A (en) Control circuit for heat exchange unit with auxiliary electric heater
US1902105A (en) Thermostatic control
JPS5533570A (en) Ventilation controller
JPS57150750A (en) Automatic operation controlling apparatus for fan coil unit
ES8200276A1 (en) Automatic air conditioner for motor vehicles - uses heat sensitive switch to turn on fan motor when airflow is low due to low vehicle speed
GB862473A (en) Improvements relating to temperature control in vehicles by automatic hot and cold air distribution

Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee