GB2294828B - Improvements in or relating to heating/cooling systems - Google Patents

Improvements in or relating to heating/cooling systems

Info

Publication number
GB2294828B
GB2294828B GB9521818A GB9521818A GB2294828B GB 2294828 B GB2294828 B GB 2294828B GB 9521818 A GB9521818 A GB 9521818A GB 9521818 A GB9521818 A GB 9521818A GB 2294828 B GB2294828 B GB 2294828B
Authority
GB
United Kingdom
Prior art keywords
relating
improvements
heating
cooling systems
cooling
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
Application number
GB9521818A
Other versions
GB2294828A (en
GB9521818D0 (en
Inventor
Brian John Cottrell
James Robert Arthur Rowland
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.)
Schneider Electric Controls UK Ltd
Original Assignee
Schneider Electric Controls UK Ltd
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
Priority to GB9422447A priority Critical patent/GB9422447D0/en
Application filed by Schneider Electric Controls UK Ltd filed Critical Schneider Electric Controls UK Ltd
Priority to GB9521818A priority patent/GB2294828B/en
Publication of GB9521818D0 publication Critical patent/GB9521818D0/en
Publication of GB2294828A publication Critical patent/GB2294828A/en
Application granted granted Critical
Publication of GB2294828B publication Critical patent/GB2294828B/en
Anticipated expiration legal-status Critical
Application status is Expired - Fee Related legal-status Critical

Links

Classifications

    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02HEMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H3/00Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
    • H02H3/24Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to undervoltage or no-voltage
    • GPHYSICS
    • G05CONTROLLING; REGULATING
    • G05DSYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D23/00Control of temperature
    • G05D23/19Control of temperature characterised by the use of electric means
    • G05D23/1902Control of temperature characterised by the use of electric means characterised by the use of a variable reference value
    • G05D23/1905Control of temperature characterised by the use of electric means characterised by the use of a variable reference value associated with tele control
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02HEMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H3/00Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
    • H02H3/02Details
    • H02H3/04Details with warning or supervision in addition to disconnection, e.g. for indicating that protective apparatus has functioned
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02HEMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H3/00Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
    • H02H3/24Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to undervoltage or no-voltage
    • H02H3/247Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to undervoltage or no-voltage having timing means
GB9521818A 1994-11-07 1995-10-25 Improvements in or relating to heating/cooling systems Expired - Fee Related GB2294828B (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
GB9422447A GB9422447D0 (en) 1994-11-07 1994-11-07 Improvements in or relating to heating/cooling systems
GB9521818A GB2294828B (en) 1994-11-07 1995-10-25 Improvements in or relating to heating/cooling systems

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9521818A GB2294828B (en) 1994-11-07 1995-10-25 Improvements in or relating to heating/cooling systems

Publications (3)

Publication Number Publication Date
GB9521818D0 GB9521818D0 (en) 1996-01-03
GB2294828A GB2294828A (en) 1996-05-08
GB2294828B true GB2294828B (en) 1998-10-28

Family

ID=26305943

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9521818A Expired - Fee Related GB2294828B (en) 1994-11-07 1995-10-25 Improvements in or relating to heating/cooling systems

Country Status (1)

Country Link
GB (1) GB2294828B (en)

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9026254B2 (en) 2010-09-14 2015-05-05 Google Inc. Strategic reduction of power usage in multi-sensing, wirelessly communicating learning thermostat
US9116529B2 (en) 2011-02-24 2015-08-25 Google Inc. Thermostat with self-configuring connections to facilitate do-it-yourself installation
US9194600B2 (en) 2004-10-06 2015-11-24 Google Inc. Battery charging by mechanical impeller at forced air vent outputs
US9234668B2 (en) 2011-10-21 2016-01-12 Google Inc. User-friendly, network connected learning thermostat and related systems and methods
US9268344B2 (en) 2010-11-19 2016-02-23 Google Inc. Installation of thermostat powered by rechargeable battery
US9396633B1 (en) 2015-06-14 2016-07-19 Google Inc. Systems, methods, and devices for managing coexistence of multiple transceiver devices by optimizing component layout
US9543998B2 (en) 2015-06-14 2017-01-10 Google Inc. Systems, methods, and devices for managing coexistence of multiple transceiver devices using bypass circuitry
US9804610B2 (en) 2010-09-14 2017-10-31 Google Inc. Thermostat user interface

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
US9851728B2 (en) 2010-12-31 2017-12-26 Google Inc. Inhibiting deleterious control coupling in an enclosure having multiple HVAC regions
US8659302B1 (en) 2012-09-21 2014-02-25 Nest Labs, Inc. Monitoring and recoverable protection of thermostat switching circuitry
US9612031B2 (en) 2015-01-07 2017-04-04 Google Inc. Thermostat switching circuitry robust against anomalous HVAC control line conditions
US9794522B2 (en) 2015-02-06 2017-10-17 Google Inc. Systems, methods, and devices for managing coexistence of multiple transceiver devices by optimizing component layout

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1985001811A1 (en) * 1983-10-17 1985-04-25 Johnson Service Company Battery powered thermostat
US5238184A (en) * 1991-09-30 1993-08-24 Honeywell Inc. Thermostat having simple battery level detection
US5251813A (en) * 1993-03-25 1993-10-12 Emerson Electric Co. Indication of low battery voltage condition by altering of temperature setpoint

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1985001811A1 (en) * 1983-10-17 1985-04-25 Johnson Service Company Battery powered thermostat
US5238184A (en) * 1991-09-30 1993-08-24 Honeywell Inc. Thermostat having simple battery level detection
US5251813A (en) * 1993-03-25 1993-10-12 Emerson Electric Co. Indication of low battery voltage condition by altering of temperature setpoint

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9316407B2 (en) 2004-10-06 2016-04-19 Google Inc. Multiple environmental zone control with integrated battery status communications
US9353963B2 (en) 2004-10-06 2016-05-31 Google Inc. Occupancy-based wireless control of multiple environmental zones with zone controller identification
US9194600B2 (en) 2004-10-06 2015-11-24 Google Inc. Battery charging by mechanical impeller at forced air vent outputs
US9353964B2 (en) 2004-10-06 2016-05-31 Google Inc. Systems and methods for wirelessly-enabled HVAC control
US9804610B2 (en) 2010-09-14 2017-10-31 Google Inc. Thermostat user interface
US9026254B2 (en) 2010-09-14 2015-05-05 Google Inc. Strategic reduction of power usage in multi-sensing, wirelessly communicating learning thermostat
US9268344B2 (en) 2010-11-19 2016-02-23 Google Inc. Installation of thermostat powered by rechargeable battery
US9116529B2 (en) 2011-02-24 2015-08-25 Google Inc. Thermostat with self-configuring connections to facilitate do-it-yourself installation
US9234668B2 (en) 2011-10-21 2016-01-12 Google Inc. User-friendly, network connected learning thermostat and related systems and methods
US9291359B2 (en) 2011-10-21 2016-03-22 Google Inc. Thermostat user interface
US9396633B1 (en) 2015-06-14 2016-07-19 Google Inc. Systems, methods, and devices for managing coexistence of multiple transceiver devices by optimizing component layout
US9543998B2 (en) 2015-06-14 2017-01-10 Google Inc. Systems, methods, and devices for managing coexistence of multiple transceiver devices using bypass circuitry

Also Published As

Publication number Publication date
GB2294828A (en) 1996-05-08
GB9521818D0 (en) 1996-01-03

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Legal Events

Date Code Title Description
732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20101025