| Lennox Industries Inc. Patent applications |
| Patent application number | Title | Published |
|---|
| 20120134857 | SYNCHRONOUS AIR BLOWER HAVING A PERMANENT MAGNET MOTOR AND A HVAC SYSTEM EMPLOYING THE SAME - A synchronous air blower, a HVAC system and a HVAC rooftop unit is disclosed. In one embodiment, the synchronous air blower includes: (1) a permanent magnet motor having a motor shaft with a first cogged sprocket attached thereto, (3) a fan having a fan shaft with a second cogged sprocket attached thereto and (4) a synchronous belt coupled to the motor shaft and the fan shaft via the first and second cogged sprockets, the synchronous belt having teeth configured to mate with the first cogged sprocket and the second cogged sprocket. | 05-31-2012 |
| 20120131944 | AIR MOVING UNIT AND A HVAC SYSTEM EMPLOYING THE SAME - An air moving unit, an HVAC system and an enclosed plug fan unit are disclosed. In one embodiment, the air moving unit includes: (1) a plug fan with a blower wheel and (2) a circulation enclosure. The circulation enclosure includes: (2A) a back side and (2B) a front side having an inlet orifice corresponding to an intake area of the plug fan, the front side coupled to top, left and right sides that extend therefrom to the back side to form the circulation enclosure, wherein the blower wheel is located within the circulation enclosure and the plug fan is mechanically coupled to at least one side thereof. | 05-31-2012 |
| 20120085113 | FAN MOTOR CONTROLLER FOR USE IN AN AIR CONDITIONING SYSTEM - One aspect of the disclosure provides an air conditioning system. The air conditioning system, in this embodiment, includes an exterior housing, and a motor having fan blades rotatably coupled thereto located within the exterior housing. The air conditioning system, in this embodiment, further includes a controller coupled to the motor and configured to rotate the fan blades based upon climate conditions proximate the exterior housing. | 04-12-2012 |
| 20120060523 | EVAPORATOR COIL STAGING AND CONTROL FOR A MULTI-STAGED SPACE CONDITIONING SYSTEM - A space conditioning system comprising an evaporator subunit (ES) and control subunit (CS). The ES includes at least three evaporator stages in a pathway of air flow through the ES. First and second stages are adjacent and have major surfaces substantially parallel to each other. A third stage is located in the pathway before the first stage. A major surface of the third stage covers the major surface of the first stage in a same pathway direction. The major surfaces are substantially perpendicular to the pathway. The CS is configured to operate the evaporator subunit in at least one of two partial load cooling modes. In a first mode, the CS causes refrigerant to circulate through the first and second but not through the third stage. In a second mode, the control subunit causes the refrigerant to circulate through the first and third stage but not through the second stage. | 03-15-2012 |
| 20120046797 | PEAK LOAD OPTIMIZATION USING COMMUNICATING HVAC SYSTEMS - An HVAC system includes a first and a second electric motor. A load manager is coupled to the first electric motor. The load manager is configured to prevent the first electric motor from operating simultaneously with said second electric motor. | 02-23-2012 |
| 20110308883 | ACOUSTIC NOISE CONTROL IN HEATING OR COOLING SYSTEMS - A heating or cooling system comprising a powered fan held in a duct assembly. The powered fan generates acoustic noise when blowing air. The system also comprises an acoustic wave modulator held in the duct assembly. The acoustic wave modulator has one or more fins and is configured to reduce turbulence of the air traveling through the duct assembly. | 12-22-2011 |
| 20110193246 | WATER DISTRIBUTION TRAY - A water distribution tray having an improvement comprising a first downwardly inclined surface therein commencing at a base of a water impingement pedestal within a first of a plurality of channels and ending at a corresponding first of a plurality of discharge apertures, wherein the first downwardly inclined surface has a first declension angle associated therewith, and a second downwardly inclined surface commencing at the base within a second of the plurality of channels and ending at a corresponding second of the plurality of discharge apertures, wherein the second downwardly inclined surface has a second declension angle associated therewith different from the first declension angle. A method of manufacturing is also provided. | 08-11-2011 |
| 20110174891 | FURNACE BURNER BOX - An HVAC burner box includes a burner bank, a manifold and an air director located within an enclosure. The burner bank is oriented such that an outlet end of the burner bank is directed toward a first end of the enclosure. The manifold is located within the enclosure and adjacent an inlet end of the burner bank. The air director has a diffuser that is coupled to a side of the enclosure. The diffuser includes a plurality of openings located therethrough. The diffuser is configured to direct a first portion of a received airstream through the opening and toward the burner bank. The diffuser is further configured to send a second portion of the received airstream toward the manifold. | 07-21-2011 |
| 20110174302 | HEAT EXCHANGER EXPANDED OVERLAP JOINT - A furnace heat exchanger assembly includes first and second heat exchanger halves. The first heat exchanger half includes a first half of an exhaust channel and an inner joint flange half at an end thereof. The second heat exchanger half includes a second half of the exhaust channel and an outer joint flange half at an end thereof having first and second capturing tabs. The first and second heat exchanger halves are coupled together such that the first and second capturing tabs substantially overlap the inner joint flange half to form a joint flange. | 07-21-2011 |
| 20110174291 | CLAMSHELL HEAT EXCHANGER - A clamshell heat exchanger includes a first clamshell half and a second clamshell half. When joined, the first and second clamshell halves form a passageway having an inlet and an outlet. The passageway has a height and a depth. A ratio of the height to the depth is about 0.5 or less. The heat exchanger has an efficiency of at least about 70%. | 07-21-2011 |
| 20110174290 | HEAT EXCHANGER WITH FASTENER - A clamshell heat exchanger includes a first clamshell half and a second clamshell half. The first and second clamshell halves each include a through-hole therein. The first and second clamshell halves form a passageway, with a seal region located between portions of the passageway. A fastener is located within the first and second through-holes within the seal region. The fastener is configured to rigidly join the first clamshell half to the second clamshell half while allowing relative lateral motion between said first and said second clamshell halves. | 07-21-2011 |
| 20110174289 | CONDENSATE TRAP FOR HEATING-COOLING SYSTEMS - A condensation trap comprising an inlet chamber, a vent chamber and an outlet chamber. The inlet chamber is configured to receive condensate fluid through an external opening therein. The vent chamber is in fluid communication with the inlet chamber via a first passageway that includes an internal opening of the inlet chamber. The internal opening is located substantially at an opposite end of the vent chamber as the external opening. The outlet chamber is in fluid communication with the vent chamber via a second passageway that includes an internal opening in a sidewall of the vent chamber and an interior opening in an end of the outlet chamber. The outlet chamber is configured to transmit the condensate fluid through an exterior opening located at an opposite end of the outlet chamber. A vent volume portion is greater than a total volume of an internal space of the inlet chamber. | 07-21-2011 |
| 20110174287 | CONVERGING-DIVERGING COMBUSTION ZONES FOR FURNACE HEAT EXCHANGES - A furnace unit that comprises a burner assembly having at least one burner located therein and a heat exchanger having at least one continuous combustion tube. One end of the combustion tube has a first opening that is coupled to the burner assembly. The combustion tube has at least three zones. A first surface of the first zone has a first non-straight angle with a second surface of the second zone. The second surface has a second non-straight angle with a third surface of the third zone. The first zone is nearest of the three zones to the burner assembly and the second zone is in-between the first zone and the third zone. The first, second and third zones are within a flame length configured to be emitted from the burner. | 07-21-2011 |
| 20110174048 | REFLARE TOOL AND PROCESS - A flaring body has first and second opposing ends. A perimeter surface intersects the first end, and a flaring surface is located between the perimeter surface and the second end. The perimeter surface has a first cross-sectional profile with a first area, and the flaring surface having a second cross-sectional profile with a second area less than the first area. The perimeter surface and the flaring surface are joined by an inside, rounded corner. A crimping body has a top surface and an opposing bottom surface, and an interior surface that forms defines a passageway that connects said top and bottom surfaces. The interior surface has a third cross-sectional profile with a third area larger than the first area. The flaring body is slidably captureable in the passageway. The interior surface further has a crimping channel that extends along at least a portion thereof and terminates at the bottom surface. | 07-21-2011 |
| 20110100041 | HEAT PUMP CONTROL SYSTEM USING PASSIVE DEFROST - A heat pump system includes a controller and a closed system that includes a condensing heat exchanger coil, an evaporating heat exchanger coil, a refrigerant and a compressor. The compressor is configured to compress the refrigerant, thereby causing the refrigerant to have a greater pressure in the condensing heat exchanger coil than in the evaporating heat exchanger coil. The controller is configured to perform a passive defrost of the evaporating heat exchanger coil. The passive defrost includes disabling the compressor and providing a bypass path between the condensing and evaporating heat exchanger coils that bypasses the compressor. The bypass path allows the refrigerant to flow from the condensing heat exchanger coil to the evaporating heat exchanger coil while the compressor is disabled. | 05-05-2011 |
| 20110070818 | AIR BLOWER VALIDATOR, AN HVAC SYSTEM AND A METHOD OF MANUFACTURING AN HVAC SYSTEM - An air blower validator, a heating, ventilating and air conditioning (HVAC) system and a method of manufacturing thereof are disclosed. In one embodiment, the air blower validator includes: (1) a air pressure detector including a first pressure port configured to receive air from inside an air blower housing of an HVAC system and (2) an air collector configured to deliver the air to the first pressure port, the air collector including a pressure tap configured to couple to an opening in the air blower housing. | 03-24-2011 |
| 20110011112 | REFLECTIVE ULTRAVIOLET LIGHT SHIELD FOR A HVAC UNIT - A heating, ventilating and air conditioning (HVAC) unit. The unit comprises a heat exchanger or drain pan located inside a HVAC housing that has one or more access openings and ultraviolet light-sensitive components therein. The unit also comprises a light located inside of the HVAC housing and a light shield located between the heat exchanger or drain pan and the light source. The light source includes a network of open-ended cells, each cell having ultraviolet light reflective walls. The light shield is oriented to direct an ultraviolet light from the light source through the open-ended cells towards the heat exchanger or drain pan and away from the one or more access openings and ultraviolet light-sensitive components. | 01-20-2011 |
| 20110005067 | ROD HOLDER FOR THE ASSEMBLY OF HEAT EXCHANGERS - One aspect of this disclosure provides an expansion rod holder for the assembly of fin and tube heat exchangers. The expansion rod holder includes a first plate having a first aperture therethrough and a ring located in the first aperture and that has a second aperture therethrough. The first and second apertures are configured to receive a tapered end of an expansion rod having an annular groove proximate the tapered end. A biasing member is located in the first aperture between the ring and a wall of the first aperture. The biasing member is configured to bias the ring in a first direction toward an opposite wall of the first aperture and into the annular groove. A method of manufacturing the expansion rod holder is also disclosed, as well as a tube expander system used to manufacture heat exchangers. | 01-13-2011 |
| 20100179696 | DEVICE ABSTRACTION SYSTEM AND METHOD FOR A DISTRIBUTED-ARCHITECTURE HEATING, VENTILATION AND AIR CONDITIONING SYSTEM - The disclosure provides an HVAC data processing and communication network and a method of manufacturing the same. In an embodiment, the method includes configuring a user interface to receive a first parameter setting associated with a system device. The user interface is further configured to send a message to the system device including the first parameter setting. The user interface is further configured to receive from the system device a second parameter setting that is dependent on the first parameter setting. The user interface is further configured to make the second parameter setting available for viewing. | 07-15-2010 |
| 20100115364 | COMMUNICATION PROTOCOL SYSTEM AND METHOD FOR A DISTRIBUTED-ARCHITECTURE HEATING, VENTILATION AND AIR CONDITIONING NETWORK - The disclosure provides an HVAC data processing and communication network and a method of manufacturing the same. In an embodiment, the network includes a local controller. The local controller is configured to publish a first message to a data bus, and to detect a collision between the first message and a second message published to the data bus. The local controller is further configured to republish the first message in the event that the first message collides with a second message published to the data bus; a bit error results in response to publishing the message. | 05-06-2010 |
| 20100107232 | COMMUNICATION PROTOCOL SYSTEM AND METHOD FOR A DISTRIBUTED-ARCHITECTURE HEATING, VENTILATION AND AIR CONDITIONING NETWORK - The disclosure provides an HVAC data processing and communication network and a method of manufacturing the same. In an embodiment, the network includes a user interface and a system device. The user interface is configured to publish a privilege request message to a data bus. The system device is configured to receive messages via the data bus and to store configuration data in nonvolatile memory. The system device is further configured to enable a privileged operating mode not normally available to a user of the network in response to the privilege request message. | 04-29-2010 |
| 20100107112 | SYSTEM AND METHOD OF USE FOR A USER INTERFACE DASHBOARD OF A HEATING, VENTILATION AND AIR CONDITIONING NETWORK - The disclosure provides systems and methods of use of an HVAC graphical interface dashboard. In various embodiments, the dashboard includes a weather tab, wherein invoking the weather tab advances to a weather screen. The dashboard also includes an indoor humidity tab. A programs tab and a home tab are also provided. The dashboard further comprises: a) a screen that employs a backlight to display information to a user; b) a backlight, and c) a motion detector, wherein the backlight is turned on by the motion detector upon a detection of motion. | 04-29-2010 |
| 20100107111 | SYSTEM AND METHOD OF USE FOR A USER INTERFACE DASHBOARD OF A HEATING, VENTILATION AND AIR CONDITIONING NETWORK - The disclosure provides systems and methods of use of an HVAC graphical interface dashboard. In various embodiments, the dashboard includes a weather tab, wherein invoking the weather tab advances to a weather screen. The dashboard also includes an indoor humidity tab, wherein invoking the indoor humidity tab advances to a humidity screen which displays at least a current indoor humidity, wherein the humidity screen interprets a percentage of humidity for a user. A programs tab and a home tab are also provided. At least one attribute of a presentation of the home screen is selectable by a user. | 04-29-2010 |
| 20100107110 | SYSTEM AND METHOD OF USE FOR A USER INTERFACE DASHBOARD OF A HEATING, VENTILATION AND AIR CONDITIONING NETWORK - The disclosure provides systems and methods of use of an HVAC graphical interface dashboard. In various embodiments, the dashboard includes a weather tab, wherein invoking the weather tab advances to a weather screen. The dashboard also includes an indoor humidity tab, wherein invoking the indoor humidity tab advances to a humidity screen which displays at least a current indoor humidity, wherein the humidity screen interprets a percentage of humidity for a user. A programs tab and a home tab are also provided. At least one of: a) a system mode; and b) a fan mode can be selected by pressing a correlated icon in the program tab. | 04-29-2010 |
| 20100107103 | SYSTEM AND METHOD OF USE FOR A USER INTERFACE DASHBOARD OF A HEATING, VENTILATION AND AIR CONDITIONING NETWORK - The disclosure provides systems and methods of use of an HVAC graphical interface dashboard. In various embodiments, the dashboard includes a weather tab, wherein invoking the weather tab advances to a weather screen. The dashboard also includes an indoor humidity tab. A programs tab and a home tab are also provided. The indoor humidity tab can further be used to set current indoor humidity setpoints. | 04-29-2010 |
| 20100107083 | MEMORY RECOVERY SCHEME AND DATA STRUCTURE IN A HEATING, VENTILATION AND AIR CONDITIONING NETWORK - The disclosure provides systems and methods for updating a parameter in a device in an HVAC network. In various embodiments, a method comprises a sending by an interface device to the device: a) a parameter value change message, and b) a new value of an installer parameter. The method includes the device determining if the parameter update is within an allowed range, and updating the parameter in a memory of the device if the parameter update is within the allowed range. The method further includes the device sending the parameter to an interface device. The method still further includes relaying the parameter to an active subnet controller by the interface device. In further embodiments, the method determines whether a parameter definition is a changed parameter definition. If the definition is the changed parameter definition: a device definition parameter message is sent to the interface device from the device in the HVAC network. A device parameter value is also sent from the HVAC device for each parameter in a same group of parameters affected by the change of definition. | 04-29-2010 |
| 20100107074 | SYSTEM AND METHOD OF USE FOR A USER INTERFACE DASHBOARD OF A HEATING, VENTILATION AND AIR CONDITIONING NETWORK - The disclosure provides systems and methods of use of an HVAC graphical interface dashboard. In various embodiments, the dashboard includes a weather tab, wherein invoking the weather tab advances to a weather screen. The dashboard also includes an indoor humidity tab. A programs tab and a home tab are also provided. The home screen has a single icon that gives a user an indication that there is at least one alert present in the dashboard. | 04-29-2010 |
| 20100107073 | SYSTEM AND METHOD OF USE FOR A USER INTERFACE DASHBOARD OF A HEATING, VENTILATION AND AIR CONDITIONING NETWORK - The disclosure provides systems and methods of use of an HVAC graphical interface dashboard. In various embodiments, the dashboard includes a weather tab, wherein invoking the weather tab advances to a weather screen. The dashboard also includes an indoor humidity tab. A programs tab and a home tab are also provided. The dashboard includes at least one downloadable screen saver. | 04-29-2010 |
| 20100107072 | SYSTEM AND METHOD OF USE FOR A USER INTERFACE DASHBOARD OF A HEATING, VENTILATION AND AIR CONDITIONING NETWORK - The disclosure provides systems and methods of use of an HVAC graphical interface dashboard. In various embodiments, the dashboard includes a weather tab, wherein invoking the weather tab advances to a weather screen. The dashboard also includes an indoor humidity tab, wherein invoking the indoor humidity tab advances to a humidity screen that allows users to have different humidity levels during different periods of a day. A programs tab and a home tab are also provided. | 04-29-2010 |
| 20100107071 | SYSTEM AND METHOD OF USE FOR A USER INTERFACE DASHBOARD OF A HEATING, VENTILATION AND AIR CONDITIONING NETWORK - The disclosure provides systems and methods of use of an HVAC graphical interface dashboard. In various embodiments the dashboard includes a weather tab, wherein invoking the weather tab advances to a weather screen. The dashboard also includes an indoor humidity tab, wherein invoking the indoor humidity tab advances to a humidity screen which displays at least a current indoor humidity, wherein the humidity screen interprets a percentage of humidity for a user. A programs tab and a home tab are also provided. A button of the dashboard turns a color, such as an inverse color, when it is touched. | 04-29-2010 |
| 20100107007 | SYSTEM RECOVERY IN A HEATING, VENTILATION AND AIR CONDITIONING NETWORK - The disclosure provides a system and method of retrieving data for an active subnet controller of a subnet in an HVAC network. In an embodiment, a device on said subnet reports a loss of internal memory settings to said active subnet controller. The device is recognized by the active subnet controller. At least one list of parameters is requested from the device by the active subnet controller. An order of said at least one list of parameters is employed to convey corresponding stored values of these parameters from the active subnet controller to the coupled device. | 04-29-2010 |
| 20100106957 | PROGRAMMING AND CONFIGURATION IN A HEATING, VENTILATION AND AIR CONDITIONING NETWORK - Various embodiments of systems and methods of creating a memory of an HVAC device. A bootloader code is stored into a first protected memory of the HVAC device. A device designator is stored into a second protected memory of the HVAC device. A control serial number is stored into a third protected memory of the HVAC device. A control part number is stored into a fourth protected memory of the HVAC device. An application data is stored into a separate application memory of the HVAC device. | 04-29-2010 |
| 20100106925 | PROGRAMMING AND CONFIGURATION IN A HEATING, VENTILATION AND AIR CONDITIONING NETWORK - The disclosure provides an a system and method of backing up operating control data about a device connected to a controller in a network. In an embodiment, the network includes a storage system for the data about the device is in the controller; a first subsystem for determining that the data should be transferred to the device; and a second subsystem for transferring the data to the device for use. | 04-29-2010 |
| 20100106815 | MEMORY RECOVERY SCHEME AND DATA STRUCTURE IN A HEATING, VENTILATION AND AIR CONDITIONING NETWORK - The disclosure provides systems and methods for conveying information between a communicating first device and a second coupled device of a HVAC network. In various embodiments, the method comprises checking a subnet of the HVAC network for both communicating device and a non-communicating device by the communicating first device. The method also comprises determining whether the second coupled device in a non-communicating device. The method further comprises allowing an installer to set parameters of the non-communicating device through employment of a manifest list of features used by the non-communicating device that is accessible by the communicating device. | 04-29-2010 |
| 20100106814 | DEVICE ABSTRACTION SYSTEM AND METHOD FOR A DISTRIBUTED ARCHITECTURE HEATING, VENTILATION AND AIR CONDITIONING SYSTEM - The disclosure provides an HVAC data processing and communication network and a method of manufacturing the same. In an embodiment, the network includes configuring a first system device and a subnet controller. The first system device is configured to receive an initial value of a specified dependent parameter. The subnet controller is configured to determine that a value of said specified parameter has been changed to a modified value after said first system device receives said initial value. The subnet controller is further configured to send to said first system device, in response to said determining, a message updating said specified parameter with said modified value. | 04-29-2010 |
| 20100106810 | COMMUNICATION PROTOCOL SYSTEM AND METHOD FOR A DISTRIBUTED-ARCHITECTURE HEATING, VENTILATION AND AIR CONDITIONING NETWORK - The disclosure provides an HVAC data processing and communication network and a method of manufacturing the same. In an embodiment, the network includes a first subnet controller and a first system device. A second subnet controller is configured to archive configuration data of the first subnet controller and the system device. | 04-29-2010 |
| 20100106809 | ALARM AND DIAGNOSTICS SYSTEM AND METHOD FOR A DISTRIBUTED-ARCHITECTURE HEATING, VENTILATION AND AIR CONDITIONING NETWORK - The disclosure includes an HVAC data processing and communication network and a method of manufacturing the same. In one embodiment, the HVAC data processing and communication network includes a first system device and a second system device. The first system device is configured to send and receive messages over a data bus. The second system device is configured to send configuration data associated with a configuration of the second system device to the first system device. The first system device is further configured to receive and persistently store the configuration data. | 04-29-2010 |
| 20100106787 | COMMUNICATION PROTOCOL SYSTEM AND METHOD FOR A DISTRIBUTED ARCHITECTURE HEATING, VENTILATION AND AIR CONDITIONING NETWORK - The disclosure provides an HVAC data processing and communication network and a method of manufacturing the same. In an embodiment, a system device configured for use in the network includes a physical layer interface and a communication module. The physical layer interface is configured to interface to a data bus. The communication module is configurable to send and receive messages over the data bus via the physical layer interface. The system device also includes a non-volatile memory configured to store configuration data. The messages include a first class of messages that address the system device using only a device designator of the device, and a second class of messages that address the system device using a message ID formed from a portion of the device designator and an offset. | 04-29-2010 |
| 20100106334 | SYSTEM AND METHOD FOR ZONING A DISTRIBUTED ARCHITECTURE HEATING, VENTILATION AND AIR CONDITIONING NETWORK - The disclosure provides an HVAC data processing and communication network. In an embodiment, the network includes a user interface, a first subnet controller and a second subnet controller. The first subnet controller is configured to operate with a first zone of the network with a first program schedule. The second subnet controller is configured to operate with a second zone of the network with a second program schedule. The second subnet controller is further configured to override the first and second schedules to operate the first and the second zones according to hold settings received from the user interface. | 04-29-2010 |
| 20100106333 | SYSTEM AND METHOD FOR ZONING A DISTRIBUTED-ARCHITECTURE HEATING, VENTILATION AND AIR CONDITIONING NETWORK - The disclosure provides an HVAC data processing and communication network and a method of manufacturing the same. In an embodiment, the HVAC data processing and communication network includes at least one environmental sensor, at least one subnet and a subnet controller. The subnet controller is configured to discover the at least one environmental sensor, the at least one subnet and at least one damper controller. The subnet controller is further configured to set up the network for zoned operation in the event that at least two of the at least one environmental sensor are discovered. | 04-29-2010 |
| 20100106330 | DEVICE ABSTRACTION SYSTEM AND METHOD FOR A DISTRIBUTED-ARCHITECTURE HEATING, VENTILATION AND AIR CONDITIONING SYSTEM - The disclosure provides an HVAC data processing and communication network and a method of manufacturing the same. In various embodiments, the network includes a subnet controller configured to control networked devices via a data bus. The subnet controller is configured to be addressable over the data bus. An environmental sensor is configured to provide environmental data to the subnet controller, and is further configured to be addressable over the data bus independent of addressing the subnet controller. A user interface is configured to provide access by an operator to the network. The user interface is further configured to be addressable over the data bus independently of addressing the subnet controller and the environmental sensor. | 04-29-2010 |
| 20100106327 | COMMUNICATION PROTOCOL SYSTEM AND METHOD FOR A DISTRIBUTED-ARCHITECTURE HEATING, VENTILATION AND AIR CONDITIONING NETWORK - The disclosure provides an HVAC data processing and communication network and a method of manufacturing the same. In an embodiment, the network includes a first subnet controller and a system device. The first subnet controller is coupled to a data bus and configured to arbitrate with a second subnet controller for control of the subnet. The system device is configured to transition from a reset state to a first state that includes pre-startup tasks, and transition from the first state to a second state that includes waiting for the subnet controller to provide configuration parameters to the system device. | 04-29-2010 |
| 20100106326 | COMMUNICATION PROTOCOL SYSTEM AND METHOD FOR A DISTRIBUTED-ARCHITECTURE HEATING, VENTILATION AND AIR CONDITIONING NETWORK - The disclosure provides an HVAC data processing and communication network and a method of manufacturing the same. In an embodiment the network includes a subnet controller and at least one demand unit. A bus interface device associated with the demand unit is configured to receive a demand message from the subnet controller over the network. The bus interface device controls an operation of said demand unit in response to said demand message. | 04-29-2010 |
| 20100106325 | COMMUNICATION PROTOCOL SYSTEM AND METHOD FOR A DISTRIBUTED-ARCHITECTURE HEATING, VENTILATION AND AIR CONDITIONING NETWORK - The disclosure provides an HVAC data processing and communication network and a method of manufacturing the same. In an embodiment, the network includes a demand unit and a subnet controller. The demand unit is coupled to a data bus and configured to provide a primary service having a maximum service capacity. The subnet controller is configured to send a demand message to the demand unit via the data bus instructing the demand unit to provide a portion of the maximum. | 04-29-2010 |
| 20100106324 | COMMUNICATION PROTOCOL SYSTEM AND METHOD FOR A DISTRIBUTED-ARCHITECTURE HEATING, VENTILATION AND AIR CONDITIONING NETWORK - The disclosure provides an HVAC data processing and communication network and a method of manufacturing the same. In an embodiment, the network includes a system device coupled to a data bus. The system device includes a functional block adapted to respond to a message received via the data bus. The system device is configured to thereby enter a disabled state in which the system device does not provide a service or broadcast messages via the data bus, but may continue to receive messages via the data bus. | 04-29-2010 |
| 20100106323 | COMMUNICATION PROTOCOL SYSTEM AND METHOD FOR A DISTRIBUTED-ARCHITECTURE HEATING, VENTILATION AND AIR CONDITIONING NETWORK - An HVAC data processing and communication network includes a first subnet and a second subnet. The first subnet includes a first demand unit, a first comfort sensor and a first subnet controller. The second subnet includes a second subnet comprising a second demand unit, a second comfort sensor and a second subnet controller. The second subnet controller is configured to control an operation of the first subnet. | 04-29-2010 |
| 20100106322 | COMMUNICATION PROTOCOL SYSTEM AND METHOD FOR A DISTRIBUTED-ARCHITECTURE HEATING, VENTILATION AND AIR CONDITIONING NETWORK - The disclosure provides an HVAC data processing and communication network and a method of manufacturing the same. In an embodiment, the network includes a system device and a subnet controller. The system device is adapted to provide a service and publish a message including a device status vector representing an availability of the system device to provide the service. The subnet controller is adapted to receive the message from the system device including the device status vector via a data bus. | 04-29-2010 |
| 20100106321 | MEMORY RECOVERY SCHEME AND DATA STRUCTURE IN A HEATING, VENTILATION AND AIR CONDITIONING NETWORK - The disclosure provides various systems and methods for conveying information between a communicating first device and a second coupled device of a HVAC network. In various embodiments, a checking of a subnet of the HVAC network for both communicating device and a non-communicating device by the communicating first device occurs. It is determined whether the second coupled device in a non-communicating device. An installer is allowed to set parameters of the non-communicating device through employment of a manifest list of features used by the non-communicating device that is accessible by the communicating device. | 04-29-2010 |
| 20100106320 | COMMUNICATION PROTOCOL SYSTEM AND METHOD FOR A DISTRIBUTED-ARCHITECTURE HEATING, VENTILATION AND AIR CONDITIONING NETWORK - An HVAC data processing and communication network includes a subnet controller and at least one demand unit. A bus interface device associated with the demand unit is configured to receive a demand message from the subnet controller over the network. The bus interface device controls an operation of said demand unit in response to said demand message. | 04-29-2010 |
| 20100106319 | METHOD OF CONTROLLING EQUIPMENT IN A HEATING, VENTILATION AND AIR CONDITIONING NETWORK - The disclosure provides an HVAC data processing and communication network and a method of manufacturing the same. In an embodiment, the network includes a sensor and a local controller. The sensor is configured to detect a fault condition associated with operation of a demand unit. The local controller, associated with the demand unit, is configured to receive sensor data from the sensor and to communicate the sensor data over the network. A network controller is configured to receive the sensor data via the communication network and to generate an alert in the event that the sensor data indicates the fault condition. | 04-29-2010 |
| 20100106318 | ALARM AND DIAGNOSTICS SYSTEM AND METHOD FOR A DISTRIBUTED- ARCHITECTURE HEATING, VENTILATION AND AIR CONDITIONING NETWORK - The disclosure provides an HVAC data processing and communication network and a method of manufacturing the same. In one embodiment, the HVAC data processing and communication network includes a system device, a subnet controller and a user interface. The system device is configured to receive a control message from a data bus and operate according to a control setting communicated thereby. The system device is further configured to generate an alarm message in the event that the device enters an alarm state in response to an alarm condition. The user interface is configured to receive the alarm message and display alarm information in response to the message. The subnet controller is configured to provide operational control of the system device via the control message. The operational control is decoupled from the alarm message. | 04-29-2010 |
| 20100106317 | DEVICE ABSTRACTION SYSTEM AND METHOD FOR A DISTRIBUTED- ARCHITECTURE HEATING, VENTILATION AND AIR CONDITIONING SYSTEM - The disclosure provides an HVAC data processing and communication network and a method of manufacturing the same. In an embodiment, the method includes configuring a device to store a plurality of character strings. The device is further configured to associate a text ID with each of the character strings. The device is further configured to recall a predetermined character string in response to receiving a first message via the network including a predetermined text ID associated with the predetermined character string. The method includes further configuring the device to send via the network a second message including the predetermined character string. | 04-29-2010 |
| 20100106316 | ALARM AND DIAGNOSTICS SYSTEM AND METHOD FOR A DISTRIBUTED ARCHITECTURE HEATING, VENTILATION AND AIR CONDITIONING NETWORK - The disclosure includes an HVAC data processing and communication network and a method of manufacturing the same. One embodiment of the network includes a subnet controller, a system device and a system status display. The subnet controller is configured to communicate via a data bus. The first system device is configured to communicate via a data bus. The system status display is associated with the first system device and configured to produce a visual signal when the first device detects an error or alarm condition. | 04-29-2010 |
| 20100106315 | SYSTEM RECOVERY IN A HEATING, VENTILATION AND AIR CONDITIONING NETWORK - The disclosure provides various embodiments of systems and methods of generating a heartbeat in an HVAC system and networks. In an embodiment, a method includes a heartbeat message being sent by a first subnet controller upon the first subnet controller taking active control of a subnet of the HVAC network. The active heartbeat message timer is reset. Another heartbeat message is sent if a specified amount of time has elapsed since a previous heartbeat message was sent by said heartbeat generator. | 04-29-2010 |
| 20100106314 | SYSTEM RECOVERY IN A HEATING, VENTILATION AND AIR CONDITIONING NETWORK - Various embodiments of systems and methods of employing a first subnet controller in an HVAC network. The method comprises conveying a fixed parameter from a first networked device in the HVAC system to the first subnet controller, conveying a variable parameter from the first networked device in the HVAC system to the first subnet controller, and providing an option to a user to modify the variable parameter. | 04-29-2010 |
| 20100106313 | DEVICE ABSTRACTION SYSTEM AND METHOD FOR A DISTRIBUTED ARCHITECTURE HEATING, VENTILATION AND AIR CONDITIONING SYSTEM - The disclosure provides an HVAC data processing and communication network and a method of manufacturing the same. In an embodiment, the method includes configuring a subnet controller. The subnet controller is configured to assign to a first device associated with the network a first equipment type number based on a first device ID number and a first offset. The subnet controller is configured, in the event that the first device shares a same enclosure with a second device associated with the network, to assign to the second device a second equipment type number based on the first device ID number and a second offset. The subnet controller is configured, in the event that the first device does not share a same enclosure with the second device, to assign to the second device the second equipment type number based on a second device ID number and the second offset. | 04-29-2010 |
| 20100106312 | ALARM AND DIAGNOSTICS SYSTEM AND METHOD FOR A DISTRIBUTED-ARCHITECTURE HEATING, VENTILATION AND AIR CONDITIONING NETWORK - The disclosure includes an HVAC data processing and communication network and a method of manufacturing an HVAC data processing and communication network. In one embodiment, the HVAC data processing and communication network includes: (1) a subnet controller configured to publish a control message to a data bus and (2) a system device configured to receive the control message and enter a diagnostic mode in response thereto, wherein the diagnostic mode includes publishing a diagnostic status message including a device parameter value to the data bus. | 04-29-2010 |
| 20100106311 | ALARM AND DIAGNOSTICS SYSTEM AND METHOD FOR A DISTRIBUTED ARCHITECTURE HEATING, VENTILATION AND CONDITIONING NETWORK - The disclosure provides an HVAC data processing and communication network and a method of manufacturing the same. In one embodiment the network includes a subnet controller, a system device and a gateway. The controller is configured to publish control messages over a data bus. The system device is configured to receive the messages and to provide an HVAC service in response to the messages. A gateway is configured to provide access by a remote user to the network. The access includes operating the network to generate diagnostic data and retrieving the diagnostic data via the gateway. | 04-29-2010 |
| 20100106310 | ALARM AND DIAGNOSTICS SYSTEM AND METHOD FOR A DISTRIBUTED- ARCHITECTURE HEATING, VENTILATION AND AIR CONDITIONING NETWORK - The disclosure includes an HVAC data processing and communication network and a method of manufacturing an HVAC data processing and communication network. In one embodiment, the network includes a system device and a controller. The system device is configured to communicate over a data bus, and further configured to store tracking data related to the system device. The controller is configured to send a command message to the device via the data bus. The message is configured to instruct the device to publish the tracking data on the data bus via a reply message. | 04-29-2010 |
| 20100106309 | GENERAL CONTROL TECHNIQUES IN A HEATING, VENTILATION AND AIR CONDITIONING NETWORK - The disclosure provides an HVAC data processing and communication network. In various embodiments of systems and methods including a bus, a compressor is coupled to the bus, and a subnet controller is coupled to the bus. The subnet controller disables the compressor when acting upon a dehumidification command. | 04-29-2010 |
| 20100106308 | SYSTEM AND METHOD FOR ZONING A DISTRIBUTED-ARCHITECTURE HEATING, VENTILATION AND AIR CONDITIONING NETWORK - The disclosure provides an HVAC data processing and communication network. In an embodiment, the network includes a first zone and a second zone. The first zone has a first demand unit and a first subnet controller configured to control an operation of the first demand unit via a data bus. The second zone has a second demand unit and a second subnet controller configured to control an operation of the second demand unit via the data bus. The second subnet controller is further configured to communicate with the first subnet controller via the data bus. | 04-29-2010 |
| 20100106307 | DEVICE ABSTRACTION SYSTEM AND METHOD FOR A DISTRIBUTED-ARCHITECTURE HEATING, VENTILATION AND AIR CONDITIONING SYSTEM - The disclosure provides an HVAC data processing and communication network and a method of manufacturing the same. In an embodiment, the network includes a system device and a subnet controller. The system device is coupled to a data bus and configured to locally store feature or parameter data related to an operation of the system device. The subnet controller is configured to publish a message via the data bus directing the device to publish a message including the feature or parameter data to the network. | 04-29-2010 |
| 20100102973 | ALARM AND DIAGNOSTICS SYSTEM AND METHOD FOR A DISTRIBUTED-ARCHITECTURE HEATING, VENTILATION AND AIR CONDITIONING NETWORK - The disclosure includes an HVAC data processing and communication network, and a method of manufacturing the same. In one embodiment the HVAC data processing and communication network includes a system device and a user interface. The system device is configured to store alarm data in local memory in response to an alarm event. The user interface is configured to send an alarm request message to the system device, and to receive an alarm reporting message including alarm data from the system device via a data bus. | 04-29-2010 |
| 20100102948 | ALARM AND DIAGNOSTICS SYSTEM AND METHOD FOR A DISTRIBUTED ARCHITECTURE HEATING, VENTILATION AND AIR CONDITIONING NETWORK - The disclosure provides an HVAC data processing and communication network and a method of manufacturing the same. In one embodiment the network includes a system device and a user interface. The system device is configured to generate and locally store an alarm record in response to an alarm event. The system device is further configured to receive an alarm request message via a data bus. In response to receiving the alarm request message, the system device is configured to publish an alarm reporting message over the data bus. The user interface is configured to receive the alarm message and display an alert depending on a state of the flag. | 04-29-2010 |
| 20100102136 | ALARM AND DIAGNOSTICS SYSTEM AND METHOD FOR A DISTRIBUTED ARCHITECTURE HEATING, VENTILATION AND AIR CONDITIONING NETWORK - The disclosure includes an HVAC data processing and communication network and a method of manufacturing the same. In one embodiment the network includes a duct, a blower and a controller. The blower is configured to receive a control message from a data bus. The duct is configured to direct air flow from the blower. The controller is configured to publish the control message to the data bus. The controller thereby commands the blower to provide air to the duct at an initial volume rate and to increase the volume rate until the controller detects onset of a cutback mode of the blower. | 04-29-2010 |
| 20100101854 | FLUSH WALL MOUNT THERMOSTAT AND IN-SET MOUNTING PLATE FOR A HEATING, VENTILATION AND AIR CONDITIONING SYSTEM - One aspect provides of this disclosure provides a flush wall mounting system for an electronic controller. This embodiment comprises a housing for receiving electrical components therein and having a front panel and a back panel coupled to the front panel. The back panel has a raised portion extending therefrom. This aspect further includes a mounting plate removably couplable to the back panel of the housing and has front and back sides. The front side includes a flange around a perimeter thereof and has a recess formed therein configured to receive the raised portion of the back panel therein. The recess forms a raised portion extending from the back side and configured to be receivable within an opening in a wall. A method for manufacturing the mounting system is also provided. | 04-29-2010 |
