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AU676728B2 - Direct digital control thermostat - Google Patents

Direct digital control thermostat

Info

Publication number
AU676728B2
AU676728B2 AU64642/94A AU6464294A AU676728B2 AU 676728 B2 AU676728 B2 AU 676728B2 AU 64642/94 A AU64642/94 A AU 64642/94A AU 6464294 A AU6464294 A AU 6464294A AU 676728 B2 AU676728 B2 AU 676728B2
Authority
AU
Australia
Prior art keywords
digital control
direct digital
control thermostat
thermostat
direct
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.)
Ceased
Application number
AU64642/94A
Other versions
AU6464294A (en
Inventor
William H. Gorski
Amy L. Ikenn
Wayne S. Lauer
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.)
Siemens Industry Inc
Original Assignee
Landis and Gyr Powers Inc
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 Landis and Gyr Powers Inc filed Critical Landis and Gyr Powers Inc
Publication of AU6464294A publication Critical patent/AU6464294A/en
Application granted granted Critical
Publication of AU676728B2 publication Critical patent/AU676728B2/en
Assigned to LANDIS & STAEFA, INC. reassignment LANDIS & STAEFA, INC. Alteration of Name(s) of Applicant(s) under S113 Assignors: LANDIS & GYR POWERS, INC.
Assigned to SIEMENS BUILDING TECHNOLOGIES, INC. reassignment SIEMENS BUILDING TECHNOLOGIES, INC. Request to Amend Deed and Register Assignors: LANDIS & STAEFA, INC.
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D23/00—Control of temperature
    • G05D23/19—Control of temperature characterised by the use of electric means
    • G05D23/1902—Control of temperature characterised by the use of electric means characterised by the use of a variable reference value
    • 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
    • F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
    • F24H1/00—Water heaters, e.g. boilers, continuous-flow heaters or water-storage heaters
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B11/00—Automatic controllers
    • G05B11/01—Automatic controllers electric
    • G05B11/36—Automatic controllers electric with provision for obtaining particular characteristics, e.g. proportional, integral, differential
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D23/00—Control of temperature
    • G05D23/19—Control of temperature characterised by the use of electric means
    • G05D23/20—Control of temperature characterised by the use of electric means with sensing elements having variation of electric or magnetic properties with change of temperature
    • G05D23/24—Control of temperature characterised by the use of electric means with sensing elements having variation of electric or magnetic properties with change of temperature the sensing element having a resistance varying with temperature, e.g. a thermistor
    • 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
    • F24F2110/10—Temperature

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Automation & Control Theory (AREA)
  • Combustion & Propulsion (AREA)
  • Chemical & Material Sciences (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Thermal Sciences (AREA)
  • Control Of Temperature (AREA)
  • Air Conditioning Control Device (AREA)
  • Feedback Control In General (AREA)
  • Thermally Actuated Switches (AREA)
AU64642/94A 1993-06-16 1994-06-09 Direct digital control thermostat Ceased AU676728B2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US7860593A 1993-06-16 1993-06-16
US078605 1993-06-16

Publications (2)

Publication Number Publication Date
AU6464294A AU6464294A (en) 1994-12-22
AU676728B2 true AU676728B2 (en) 1997-03-20

Family

ID=22145110

Family Applications (1)

Application Number Title Priority Date Filing Date
AU64642/94A Ceased AU676728B2 (en) 1993-06-16 1994-06-09 Direct digital control thermostat

Country Status (5)

Country Link
JP (1) JPH07146715A (en)
KR (1) KR100343335B1 (en)
AU (1) AU676728B2 (en)
CA (1) CA2125014C (en)
TW (1) TW316955B (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7432477B2 (en) 2005-04-19 2008-10-07 Robert Teti Set-back control for both HVAC and water heater via a single programmable thermostat
US9104211B2 (en) * 2010-11-19 2015-08-11 Google Inc. Temperature controller with model-based time to target calculation and display
US9448567B2 (en) 2010-11-19 2016-09-20 Google Inc. Power management in single circuit HVAC systems and in multiple circuit HVAC systems
US9046898B2 (en) 2011-02-24 2015-06-02 Google Inc. Power-preserving communications architecture with long-polling persistent cloud channel for wireless network-connected thermostat
US9092039B2 (en) 2010-11-19 2015-07-28 Google Inc. HVAC controller with user-friendly installation features with wire insertion detection
US8944338B2 (en) 2011-02-24 2015-02-03 Google Inc. Thermostat with self-configuring connections to facilitate do-it-yourself installation

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4799176A (en) * 1986-12-29 1989-01-17 Harper-Wyman Company Electronic digital thermostat
US4897798A (en) * 1986-12-08 1990-01-30 American Telephone And Telegraph Company Adaptive environment control system

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4442972A (en) * 1981-09-14 1984-04-17 Texas Instruments Incorporated Electrically controlled programmable digital thermostat and method for regulating the operation of multistage heating and cooling systems
US4500034A (en) * 1982-09-30 1985-02-19 Tempmaster Corporation Electronic control arrangement for system powered HVAC terminal units
US4942921A (en) * 1988-01-29 1990-07-24 Staefa Control Systems, Inc. Forced air ventilation system
US5114070A (en) * 1990-11-06 1992-05-19 American Standard Inc. Pneumatic direct digital controller

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4897798A (en) * 1986-12-08 1990-01-30 American Telephone And Telegraph Company Adaptive environment control system
US4799176A (en) * 1986-12-29 1989-01-17 Harper-Wyman Company Electronic digital thermostat

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
4646964 *

Also Published As

Publication number Publication date
CA2125014A1 (en) 1994-12-17
KR950001449A (en) 1995-01-03
TW316955B (en) 1997-10-01
JPH07146715A (en) 1995-06-06
CA2125014C (en) 1998-11-03
KR100343335B1 (en) 2002-10-30
AU6464294A (en) 1994-12-22

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Legal Events

Date Code Title Description
MK14 Patent ceased section 143(a) (annual fees not paid) or expired