CA2125014C - Direct digital control thermostat - Google Patents
Direct digital control thermostatInfo
- Publication number
- CA2125014C CA2125014C CA002125014A CA2125014A CA2125014C CA 2125014 C CA2125014 C CA 2125014C CA 002125014 A CA002125014 A CA 002125014A CA 2125014 A CA2125014 A CA 2125014A CA 2125014 C CA2125014 C CA 2125014C
- Authority
- CA
- Canada
- Prior art keywords
- thermostat
- temperature
- pneumatic
- instructions
- pressure
- 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 - Fee Related
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)
- Mechanical Engineering (AREA)
- Combustion & Propulsion (AREA)
- Chemical & Material Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Thermal Sciences (AREA)
- Control Of Temperature (AREA)
- Air Conditioning Control Device (AREA)
- Thermally Actuated Switches (AREA)
- Feedback Control In General (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US7860593A | 1993-06-16 | 1993-06-16 | |
US078,605 | 1993-06-16 |
Publications (2)
Publication Number | Publication Date |
---|---|
CA2125014A1 CA2125014A1 (en) | 1994-12-17 |
CA2125014C true CA2125014C (en) | 1998-11-03 |
Family
ID=22145110
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA002125014A Expired - Fee Related CA2125014C (en) | 1993-06-16 | 1994-06-02 | Direct digital control thermostat |
Country Status (5)
Country | Link |
---|---|
JP (1) | JPH07146715A (ja) |
KR (1) | KR100343335B1 (ja) |
AU (1) | AU676728B2 (ja) |
CA (1) | CA2125014C (ja) |
TW (1) | TW316955B (ja) |
Families Citing this family (6)
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 |
US9092039B2 (en) | 2010-11-19 | 2015-07-28 | Google Inc. | HVAC controller with user-friendly installation features with wire insertion detection |
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 |
US8944338B2 (en) | 2011-02-24 | 2015-02-03 | Google Inc. | Thermostat with self-configuring connections to facilitate do-it-yourself installation |
Family Cites Families (6)
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 |
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 |
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 |
-
1994
- 1994-06-02 CA CA002125014A patent/CA2125014C/en not_active Expired - Fee Related
- 1994-06-09 AU AU64642/94A patent/AU676728B2/en not_active Ceased
- 1994-06-15 KR KR1019940013457A patent/KR100343335B1/ko not_active IP Right Cessation
- 1994-06-15 JP JP6133003A patent/JPH07146715A/ja active Pending
- 1994-08-02 TW TW083107053A patent/TW316955B/zh active
Also Published As
Publication number | Publication date |
---|---|
TW316955B (ja) | 1997-10-01 |
JPH07146715A (ja) | 1995-06-06 |
AU6464294A (en) | 1994-12-22 |
AU676728B2 (en) | 1997-03-20 |
KR950001449A (ko) | 1995-01-03 |
CA2125014A1 (en) | 1994-12-17 |
KR100343335B1 (ko) | 2002-10-30 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
EEER | Examination request | ||
MKLA | Lapsed |