| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 165205000 | Plural temperature regulators for plural zones | 42 |
| 20120181009 | Automatic Switching Two Pipe Hydronic System - A system for simultaneously heating and cooling a first portion and a second portion of a space utilizes a plurality of boilers, chillers, heat exchangers, condenser pumps and closed loop pumps by using a plurality of sensors indicating the temperatures inside and outside the space and a controlling module controlling the operation of the system. The present disclosure can be easily achieved by making minor configurational modifications to existing systems, thereby increasing system versatility. | 07-19-2012 |
| 20130140016 | Power-Sensing Circuit for Wireless Zone Sensors - A system and method for controlling a heating, ventilating, and air conditioning (HVAC) system in a dwelling is provided. The system includes a plurality of wireless thermostats disposed throughout multiple zones within the dwelling and operable to control climate conditions in the corresponding zones. The system further includes a primary power source operable to supply power to thermostats for operating in a high-power mode when operatively connected thereto. The thermostats each include a secondary power source operable to supply power to the thermostats for operating in a low-power mode when the corresponding thermostat is not powered by the primary power source. Thermostats operating in the high-powered mode and are operable to receive and repeat signals originating from one or more thermostats operating in the low-power mode. | 06-06-2013 |
| 165206000 | Nonbuilding system (e.g., machine tool, chemical analyzer, etc.) | 2 |
| 20140151014 | SYSTEM AND METHOD FOR REGULATING TEMPERATURE OF ELECTRONIC COMPONENT - The invention relates to a system for regulating temperature of an electronic component, the system comprising: a local heater for heating the electronic component; a heat pipe for cooling the electronic component; and a heat sink for dissipating heat from the heat pipe; wherein the electronic component is adhered to an end of the heat pipe, and the heat sink is adhered to another end of the heat pipe. The invention also relates to a method for regulating temperature of an electronic component by the system. | 06-05-2014 |
| 20160129983 | MULTI-SERVICE PEDESTAL - A multi-service pedestal ( | 05-12-2016 |
| 165207000 | Refrigeration system having an evaporator or condenser in each zone | 3 |
| 20120285675 | AIR-CONDITIONING APPARATUS - To provide an air-conditioning apparatus that can prevent the formation of frost on indoor-side heat exchangers functioning as an evaporator even when the outside air temperature is low, and can use unmodified normal indoor units even when a portion of the indoor units is used in a place that has a large sensible heat load. An air-conditioning apparatus capable of simultaneous heating and cooling operation includes a heat source unit, a plurality of indoor units, and a relay unit that connects the heat source unit to the indoor units. A flow control unit that controls a flow amount of a refrigerant that flows through the indoor units that are in cooling operation is provided to a piping on the downstream side of a merging section of a piping through which flows the refrigerant that flows out from the indoor units that are in cooling operation. | 11-15-2012 |
| 20140034284 | Interactive Control System for an HVAC System - An interactive system for controlling an HVAC system includes a thermostat for initiating HVAC system operation in a full-capacity or reduced-capacity mode of operation, and a controller for an outside condenser unit having condenser fan and compressor motors. The controller may operate the compressor in a full-capacity or reduced-capacity mode. A controller for an indoor blower unit having a blower fan motor may operate the blower fan motor in a full-capacity or reduced-capacity mode. A communication means is provided for transmitting information between the outside condenser unit controller and indoor blower controller. The indoor blower controller responsively controls blower fan motor operation in a full-capacity or reduced-capacity mode based on the information received from the outdoor unit controller. The outdoor unit controller responsively controls compressor operation in a full-capacity or reduced-capacity mode based on the information received from the indoor blower controller. | 02-06-2014 |
| 20150034293 | AIR-CONDITIONING APPARATUS - An air-conditioning apparatus according to the present invention includes at least indoor heat exchangers. In response to a request to increase heat exchange performance from the indoor heat exchanger, the air-conditioning apparatus decreases a heat exchange capacity of an outdoor heat exchanger and controls an opening degree of an expansion valve corresponding to the indoor heat exchanger a to decrease a flow rate of a refrigerant that flows through the indoor heat exchanger. | 02-05-2015 |
| 165208000 | Central system prioritizes heating and cooling requests from zones | 8 |
| 20130014927 | AIR-CONDITIONING CONTROLLING SYSTEM AND AIR-CONDITIONING CONTROLLING METHODAANM DAZAI; RyoutaAACI TokyoAACO JPAAGP DAZAI; Ryouta Tokyo JP - Individual VAV controllers send, to an air-conditioner controller, current cooling/heating requirement information for the controlled area that is controlled by that VAV controller. If there is a mixing of a cooling requirement and a heating requirement in the cooling/heating requirement information that is received, the air-conditioner controller establishes a cold air temperature setting value and a hot air temperature setting value that can handle the cooling requirements and the heating requirements at that time, to perform alternating switching of a supply air temperature setting value. If a VAV controller that requires heating is supplied cold air, it blocks the supply of air to the controlled area. If a VAV controller that requires cooling is supplied hot air, it blocks the supply of air to the controlled area. | 01-17-2013 |
| 20140000861 | Automatically Balancing Register for HVAC Systems | 01-02-2014 |
| 20140041846 | HVAC SYSTEM WITH MULTIPLE EQUIPMENT INTERFACE MODULES - An HVAC system may include a building controller, two or more HVAC components and at least two Equipment Interface Modules (EIM). Each of the EIMs may include a wired and/or wireless interface for communication to the HVAC controller. Each EIM may be wired to one or more of the HVAC components of the HVAC system. In some cases, the HVAC controller may be configured to provide one or more control commands to control two or more of the HVAC components of the HVAC system via the EIMs. In some cases, the EIMs may provide control signals to the HVAC controller, and the HVAC controller may generate one or more commands in response to the received control signals. | 02-13-2014 |
| 20140158336 | CONTROL OF MULTIPLE ENVIRONMENTAL ZONES BASED ON PREDICTED CHANGES TO ENVIRONMENTAL CONDITIONS OF THE ZONES - An Electronically-Controlled Register vent (ECRV) that can be easily installed by a homeowner or general handyman is disclosed. The ECRV can be used to convert a non-zoned HVAC system into a zoned system. The ECRV can also be used in connection with a conventional zoned HVAC system to provide additional control and additional zones not provided by the conventional zoned HVAC system. In one embodiment, the ECRV is configured have a size and form-factor that conforms to a standard manually-controlled register vent. In one embodiment, a zone thermostat is configured to provide thermostat information to the ECRV. In one embodiment, the zone thermostat communicates with a central monitoring system that coordinates operation of the heating and cooling zones. | 06-12-2014 |
| 20150107816 | APPARATUS AND METHOD FOR SELF-TEST OF THERMOSTAT - An environmental control system includes at least one of a security monitoring system, or a building automation control system. A thermostat coupled to the at least one system, where the thermostat provides feedback as to output signals therefrom to evaluate functioning of the thermostat. The output signals would be coupled to a heating, ventilating and air conditioning system. | 04-23-2015 |
| 20150330656 | MULTI-ZONE INDOOR CLIMATE CONTROL AND A METHOD OF USING THE SAME - A system and method of conditioning air within a multi-zone system using a controller in communication with at least one sensor located within at least one of a plurality of zones, the method comprising the steps of: operating the at least one sensor to measure at least one environmental condition within at least one of the plurality of zones, identifying which, if any, of the plurality of zones is occupied, determining whether a demand condition exists within at least one occupied zone, calculating the difference between an actual environmental condition and a desired environmental condition within the plurality of zones to create a zone demand value if a demand condition exists in two or more occupied zones, and determining whether a cumulative zone demand value is equal to a zone balance point value. | 11-19-2015 |
| 20150330657 | MULTI-NODAL THERMOSTAT CONTROL SYSTEM - An Electronically-Controlled Register vent (ECRV) that can be easily installed by a homeowner or general handyman is disclosed. The ECRV can be used to convert a non-zoned HVAC system into a zoned system. The ECRV can also be used in connection with a conventional zoned HVAC system to provide additional control and additional zones not provided by the conventional zoned HVAC system. In one embodiment, the ECRV is configured have a size and form-factor that conforms to a standard manually-controlled register vent. In one embodiment, a zone thermostat is configured to provide thermostat information to the ECRV. In one embodiment, the zone thermostat communicates with a central monitoring system that coordinates operation of the heating and cooling zones. | 11-19-2015 |
| 20160161139 | STATE-BASED CONTROL IN AN AIR HANDLING UNIT - A state-based control system for an air handling unit (AHU) includes a finite state machine configured to transition between a high cooling load state and a low cooling load state. In the high cooling load state, the system maintains the temperature of a supply airstream provided by the AHU at a fixed setpoint and controls the temperature of a building zone by modulating the speed of a supply air fan. In the low cooling load state, the system operates the supply air fan at a fixed speed and controls the zone temperature by modulating an amount of cooling applied to the supply airstream by one or more cooling stages. A feed-forward module manages disturbances caused by adding or shedding cooling stages by applying a feed-forward gain to the supply air fan setpoint. | 06-09-2016 |
| 165209000 | Supervisory central control means overrides zone controller | 3 |
| 20140096946 | Comfort-Optimized Demand Response - A method of improving a comfort level of a participant in a demand-response program for a facility. The method includes providing a sensor to a participant of a demand-response program, the sensor for sensing a comfort indicator at a facility, the comfort indicator including at least an air temperature; providing instructions for installing the sensor at a facility of the participant; and causing a load-control event communicated to the LCD to be modified, the modification causing the comfort indicator to increase or decrease at the facility, thereby improving the comfort level of the participant in the demand-response program. | 04-10-2014 |
| 20150345816 | Programmable thermostat for a room - A programmable room thermostat adjusts heating and cooling distribution based on one or more pre-selected temperatures, also controls appliances such as entertainment systems and lights, and may be powered by replaceable batteries or household current. The room thermostat monitors the air temperature in the room, which is defined as a zone, and determines whether heating or cooling is needed. Programmable settings for the room thermostat accommodate 24-hour and seven-day cycles, and are capable of applying the user's preferences based on the time of day and the day of the week. When the room reaches the desired temperature, the room thermostat signals a central thermostat to close the damper. The settings of each room thermostat in the home or office may be controlled and adjusted via the user's smartphone or other mobile electronic device. | 12-03-2015 |
| 20150354843 | System and Method for Optimizing Energy Consumption in an HVAC Unit by Minimizing Chiller Activity - A system and method that optimizes energy consumption in an HVAC unit by minimizing chiller activity. The system uses a control unit that overrides a thermostat in at least one room to close a cooling valve that leads a fluid input to the room. When multiple cooling valves are closed through the rooms, the consequential return fluid maintains greater cooling capacity and thus, the chiller does not have to operate at full capacity. The control unit individually controls components in the HVAC unit, which were previously controlled by switches on the thermostat. The control unit includes a temperature sensor that monitors an environment, such as the room and a plenum. The control unit also includes a control relay that closes the cooling valve on the HVAC unit when the predetermined temperature of the control unit is above the thermostat temperature set by a room occupant. | 12-10-2015 |
| 165210000 | Heat balancing using waste heat or cold (e.g., heat reclaim, etc.) | 1 |
| 20160123608 | HVAC SYSTEM AND ZONE CONTROL UNIT - HVAC systems, zone control units, and control systems are provided. An HVAC system employs distributed zone control units that provides for localized air recirculation. A zone control unit can include a return air section that receives return air from serviced building zones and can mix the return air with a supply of outside air. The mixed air can be heated and/or cooled by the zone control unit and discharged to serviced building zones in a controlled manner. An exhaust air system can be used to extract air from serviced building zones. An HVAC zone control unit can include a local control unit with an Internet protocol address. The local control unit can include a memory and a processor for storing and executing a control program for the zone control unit. The control program can control of the zone control unit in response to commands received via the Internet. | 05-05-2016 |
| 165212000 | Central temperature conditioned air supplied to each zone | 15 |
| 20150060037 | Method of Adaptive Control of a Bypass Damper in a Zoned HVAC System - A zoned HVAC system comprises an HVAC unit including a climate control system and an air mover. In addition, the system comprises a supply air duct in fluid communication with the outlet of the HVAC unit. Further, the system comprises a return air duct in fluid communication with the inlet of the HVAC unit. Still further, the system comprises a plurality of zones positioned between the supply air duct and the return air duct. Moreover, the system comprises a bypass duct extending between the supply air duct and the return air duct. The bypass duct includes an active bypass damper having an open position, a closed position, and a plurality of partially opened positions. The system also comprises a control device configured to control the position of the bypass duct. | 03-05-2015 |
| 20150323213 | ENERGY EFFICIENT HVAC SYSTEM - An energy efficient HVAC system. The system provides a bypass air supply duct, an air handler having a bypass air supply circuit, and an air supply unit that utilize return air as a source of heat that would otherwise need to be provided by a heating coil if the air, cooled sufficiently to service interior zones of a building, is too cold for servicing perimeter zones of the building, as is typically the case when the outside air temperature is low. | 11-12-2015 |
| 20160040899 | ACTUATED VENT - Disclosed is a system for controlling temperature of an area via vents. In one embodiment, the areas/rooms of a building that are substantially isolated from one another may require or benefit from temperature that are different from other areas/rooms. Accordingly, the system includes an actuator that is coupleable to a valve structure of a vent. The fluid flow upstream of the vent may be conditioned by a climate control system, such as a furnace. The system of the present disclosure further includes a controller that is coupleable in communication with the actuator. The controller is configured to receive a vent input and send a command signal to the actuator based on the vent input. The vent input is a desired position of the valve structure of the vent and the controller is independent of the climate control system. | 02-11-2016 |
| 20160201936 | AIR CONDITIONING SYSTEM | 07-14-2016 |
| 165213000 | Mixing within zone of recirculated zone air and supply air adjacent zone air inlet (e.g., induction unit, etc.) | 2 |
| 165214000 | Including a fan (e.g., fancoil unit, etc.) | 2 |
| 20150021005 | Temperature Control System - An HVAC system controller has at least one processor configured to monitor at least one of a first humidity and a first temperature of a first air volume sensed by a first sensor and at least one of a second humidity and a second temperature of a second air volume sensed by a second sensor, configured to calculate an environmental metric, and configured to determine whether mixing the first air volume with the second air volume can cause the environmental metric to conform to a first threshold requirement. | 01-22-2015 |
| 20150136377 | METHOD FOR A HEAT TRANSFER SYSTEM AND HEAT TRANSFER SYSTEM - A control method for a heat transfer system, wherein the heat transfer system comprises a supply conduit ( | 05-21-2015 |
| 165217000 | Volume flow of discharged air at discharge into zone modulated by zone heating or cooling load (e.g., variable air volume, etc.) | 9 |
| 20120255720 | Temperature Controller for Unit - A temperature controller for a positive pressure room air purification unit is provided with a sensor for ambient room air temperature and supply duct air temperature. Based on the desired temperature, supply duct air may be drawn or drawn and heated. | 10-11-2012 |
| 20130146272 | BAROMETRIC RELIEF AIR ZONE DAMPER - A zone damper having a first portion and second portion controlled by a actuator to move between an open and a closed position in response to a zone thermostat, a second portion responsive to the static pressure in a HVAC system to open and bleed an amount of conditioned air past the damper when the static pressure of the system increases above a selected level, and a weight adjustment for modifying the torque exerted by the second portion against the system static pressure to adjust the selected level. | 06-13-2013 |
| 20130233530 | CONTAINER MODULE WITH COOLING SYSTEM - A container module includes a first container, a second container, a first passage and a second passage, a first fan and a second fan. The first passage and the second passage each are connected between the two containers. The two fans are installed at corresponding two junctions in the corresponding two passages, which can control the drawing and exhausting of the airflow between the two containers. | 09-12-2013 |
| 20140238654 | BAROMETRIC RELIEF AIR ZONE DAMPER - A control system for an HVAC system serving at least two zones, each zone receiving conditioned air by way of a zone duct, each zone duct including a zone damper having a first portion and second portion controlled by a actuator to move between an open and a closed position in response to a zone thermostat, a second portion responsive to the static pressure in a HVAC system to open and bleed an amount of conditioned air past the damper when the static pressure of the system increases above a selected level, and a weight adjustment for modifying the torque exerted by the second portion against the system static pressure to adjust the selected level. | 08-28-2014 |
| 20140238655 | BAROMETRIC RELIEF AIR ZONE DAMPER - A control system for an HVAC system serving at least two zones, each zone receiving conditioned air by way of a zone duct, each zone duct including a zone damper having a first portion responsive to the static pressure in a HVAC system to open and bleed an amount of conditioned air past the damper when the static pressure of the system increases above a selected level, a second portion controlled by a actuator to move between an open and a closed position in response to a zone thermostat, and a coupling mechanism coupling the first and second portions to limit the relative movements of the two portions with respect to each other, and a biasing mechanism exerting a torque against the system static pressure differential. The first portion can be a single one-piece undivided blade pivotally mounted with a shell surrounding the zone damper. | 08-28-2014 |
| 20150013957 | Thermal Probe - A temperature probe having a terminal attachment arrangement for securing and selectively releasing an electrical connection is disclosed. The temperature probe further includes a housing for sealing the temperature probe to a structure, such as a HVAC duct. | 01-15-2015 |
| 20150377499 | CONDITIONING PLANT - A conditioning plant comprises a general inlet, a general outlet, a circuit which sets the general inlet in fluid communication with the general outlet, a plurality of users arranged on the circuit, and a balancing system. The balancing system comprises a sensor for detecting at least a real value depending on a difference of intensity between upstream and downstream of the users, of at least a physical parameter of the fluid; the balancing system further comprises a flow regulating organ, and a control device connected to the sensor, acting on the flow regulating organ and configured for enabling memorisation of at least a reference value of a same physical parameter of the fluid, comparing the reference value with the real value, commanding the regulating organ to regulate the fluid internally of the circuit such as to maintain the real value substantially aligned with the reference value. | 12-31-2015 |
| 20160102873 | Packaged HeatPump with Integrated Smokespill - Disclosed herein is an apparatus, in the form of a package air conditioning unit (PAC) for conditioning air in a space. The space may comprise the interior space(s) of buildings such as hospitals, enclosed shopping malls, warehouses, factories, etc. The PAC comprises a first arrangement, in the form of a suction chamber for receiving an air stream from the space (e.g. return air) and discharging an air stream to the space (e.g. supply air). The PAC has a second arrangement, in the form of second chamber for receiving an air stream from outside the space (e.g. fresh air) and discharging an air stream to outside the space (e.g. exhaust air). The second chamber is configured to receive a portion of the return air via the suction chamber. | 04-14-2016 |
| 20160195297 | ENVIRONMENTAL CONTROL SYSTEM | 07-07-2016 |
| 165218000 | Central temperature conditioned liquid supplied to each zone | 8 |
| 20150345803 | HEAT ENERGY TRANSPORT SYSTEM, HEAT INTERCHANGE SYSTEM, AND HEAT ENERGY TRANSPORT METHOD - The heat medium transport paths are arranged between the first building and the second building and transport heat media that transport heat energy. A temperature distribution acquisition means acquires the temperature distribution of the heat media that have temperatures being different from each other in the heat medium transport paths and that are sequentially transported in a state of having a predetermined length in the transport direction in the heat medium transport paths. A control means receives a load request of an air conditioner of the first building, and when a heat medium having the heat energy that satisfies the load request received reaches the first building, based on the temperature distribution acquired by the temperature distribution acquisition means, the control means causes the air conditioner of the first building to take out the heat energy from the heat medium reached. | 12-03-2015 |
| 20160025356 | METHOD AND SYSTEM FOR THE TEMPERATURE CONTROL OF COMPONENTS - A temperature-control system includes a temperature-control device ( | 01-28-2016 |
| 20160033158 | AIR CONDITIONING SYSTEM AND METHOD FOR CONTROLLING AIR CONDITIONING SYSTEM - An air conditioning system ( | 02-04-2016 |
| 20160040895 | Water-Cooled Split Air Conditioning System - A water-cooled split air conditioning system includes an indoor unit, an outdoor unit, and a plurality of connecting hoses. The outdoor unit includes an outdoor housing and a water cooling unit. The water cooling unit includes a pumping device, a top water collection basin, a fill material unit provided underneath the top water collection basin, a bottom water collection basin provided underneath the fill material unit, and a plurality of heat exchanging pipes provided in the bottom water collection basin and immersed in the cooling water. The cooling water collected in the bottom water collection tank is arranged to be guided to flow back into the top water collection basin. A predetermined amount of refrigerant is arranged to flow through the heat exchanging pipes to perform highly efficient heat exchanging process with the cooling water for lowering a temperature of the refrigerant. | 02-11-2016 |
| 20160102881 | CONTROLLER FOR A CHILLER AND A METHOD FOR CONTROLLING A CHILLER - A controller for a chiller and a method for controlling a chiller are provided. The method may include receiving, by a controller, a target value of a control factor of the chiller; comparing, by the controller, the received target value with a current value of the control factor of the chiller; transmitting, by the controller, a control factor value change command to the chiller if the received target value is not equal to the current value of the control factor of the chiller; receiving, by the controller, a changed current value of the control factor from the chiller; updating, by the controller, the current value of the control factor on a management screen with the received changed current value of the control factor; and comparing, by the controller, the received target value with the current value of the control factor again. | 04-14-2016 |
| 20160169549 | METHOD OF CONTROLLING A FLUID CIRCULATION SYSTEM | 06-16-2016 |
| 165219000 | Separate supply and return mains (e.g., two pipe system, etc.) | 2 |
| 20160040893 | Thermal gradient fluid header for multiple heating and cooling systems - Apparatus and method for heating/cooling buildings and other facilities. An elongate pipe filled with water or other fluid medium forms a thermal gradient header having temperature zones that are progressively warmer towards one end and cooler towards the other. Multiple heating/cooling systems are connected to the header so as to draw fluid from zones that are closest in temperature to the optimal intake temperature of each system, and to discharge fluid back to the header at zones that are closest to the temperature to the optimal output temperature of each system, allowing each heating/cooling system to take advantage of the thermal output of other systems. The pipe forming the thermal gradient header may be routed back and forth in the facility to define a series of legs containing the different temperature zones. A boiler or other source may supply makeup heat to the thermal gradient header, and excess heat may be sent from the header to a ground field or other thermal reservoir for later use. | 02-11-2016 |
| 165220000 | Additional supply main (e.g., three pipe system, etc.) | 1 |
| 165221000 | Additional return main (e.g., four pipe system, etc.) | 1 |
| 20160040896 | AIR CONDITIONER - An air conditioner includes an indoor unit disposed at an indoor space; and an outdoor unit disposed at an outdoor space and connected to the indoor unit through refrigerant pipes, wherein the indoor unit includes an indoor unit body forming an external appearance of the indoor unit and provided with a plurality of indoor outlets; and a plurality of indoor heat-exchanging units disposed inside the indoor unit body such that the plurality of indoor heat-exchanging units corresponds to the plurality of indoor outlets, respectively. | 02-11-2016 |
