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1196results about "Space heating and ventilation" patented technology

Heating control arrangement for an electronic smoking article and associated system and method

A method is provided for controlling heating of an aerosol precursor arrangement of an electronic smoking article. An average power is directed from a power source to a heating device arranged to heat the aerosol precursor arrangement and a heating time period commensurately initiated. The average power corresponds to a selected power set point associated with the power source. An actual power directed to the heating device is determined as a product of a voltage at, and a current through, the heating device. The actual power is compared to the average power, and the average power is adjusted to direct the actual power toward the selected power set point. The actual power is periodically determined and compared to the average power, and the average power adjusted toward the selected power set point, until expiration of the heating time period. An associated apparatus and computer program product are also provided.
Owner:RAI STRATEGIC HLDG INC

Home automation system and method

A home automation system and method for automatic control of controlled devices throughout a home. A unique architecture of occupancy sensors includes entry / exit sensors for detecting movement through doorways that separate rooms in the home, room motion sensors for detecting room occupancy, spot sensors to detect occupancy of specific locations within the rooms, and house status sensors to detect the status of certain parameters of the home. A central controller communicates with the sensors and controlled objects over a communications network, where the sensors and controlled objects can be added to the system in a ‘plug and play’ manner. The central controller controls the controlled objects in response to the entry / exit sensors, room motion sensors, spot sensors and the house status sensors. This control is accomplished by assigning each room to one of a plurality of room occupancy states, and to one of a plurality of room modes for creating desired room atmospheres using the controlled objects, which both dictate how the controlled objects are controlled by the central controller. The room modes travel from room to room as the occupant moves throughout the home, and multiple occupants can be using different room modes as they move about the home. The controlled objects also have controlled object states, which are used by the central controller to control the controlled objects.
Owner:HOME DIRECTOR

System and method for energy usage curtailment

A system and method are disclosed for performing energy usage management within a network. The system may include an energy management system, such as a thermostat device, that may be associated with an energy consuming entity, such as a residence. A server may be remotely located from the energy consuming entity and may perform one or more energy curtailment management operations within the network. The server may be in communication with the energy management system over the network. One or more software applications may be stored thereon for remotely controlling the energy management system in accordance with a particular energy curtailment management operation. Additionally, a database may be associated with the server for storing curtailment event information relating to the network. A signal may be transmitted by the server to the thermostat device to alter an offset temperature setting of the thermostat device thereby remotely controlling the operation of the thermostat device. The thermostat device may also include a networking software application for enabling the remote monitoring and controlling of the thermostat device.
Owner:ITRON

Configurable architecture for controlling delivery and/or usage of a commodity

A system and method manage delivery of energy from a distribution network to one or more sites. Each site has at least one device coupled to the distribution network. The at least one device controllably consumes energy. The system includes a node and a control system. The node is coupled to the at least one device for sensing and controlling energy delivered to the device. A control system is coupled to the node and distribution network for delivering to the node at least one characteristic of the distribution network. The node for controls the supply of energy to the device as a function of the at least one characteristic.
Owner:ROBERTSHAW CONTROLS CO

Breathing assistance apparatus

A humidifier and humidity sensor for use with a breathing assistance apparatus. The humidity sensor senses absolute humidity, relative humidity and / or temperature at both the patient end and humidifier end. The humidifier may also include provision to both control independently the humidity and temperature of the gases. Further, a chamber manifold facilitates easy connection of the humidifier to various outlets, inlets and sensors. A heated conduit provides a more effective temperature profile along its length.
Owner:FISHER & PAYKEL HEALTHCARE LTD

Smart-home control system providing HVAC system dependent responses to hazard detection events

Systems and methods for controlling a climate control system of a smart-home environment that includes a plurality of smart devices are provided. One method includes detecting, with a hazard detector of the smart devices, a level of carbon monoxide (CO) at the hazard detector that exceeds a threshold CO level at a location of the hazard detector, determining, by one of the smart devices, that the climate control system includes a combustion based heat source, and in response to the detecting and the determination, transmitting, by a system controller of the climate control system, a first signal to turn off at least one aspect of the climate control system.
Owner:GOOGLE LLC

Humidifying apparatus

Humidifying apparatus includes a humidifier for emitting moist air into an external environment, and a fan assembly for generating an air current within the external environment for conveying the emitted moist air away from the humidifier. The fan assembly includes a device for creating an air flow and a nozzle comprising an interior passage for receiving the air flow and a mouth for emitting the air flow. The humidifier is located behind nozzle, the nozzle extending about and defining an opening through which both air from outside the nozzle and the moist air emitted from the humidifier are drawn by the air flow emitted from the mouth.
Owner:DYSON TECH LTD

Multipoint air sampling system having common sensors to provide blended air quality parameter information for monitoring and building control

A system for monitoring air quality conditions, comprising, a multi-point air monitoring system comprising, a plurality of sensors for collecting air quality data from a plurality of at least partially enclosed areas; one or more data processing units for processing one or more air quality parameters based on the collected air quality data; and one or more communication devices for communicating the data from the sensor to the processing unit; and a signal processing controller that generates one or more blended air quality parameter signals via the multi-point air monitoring system based at least in part on one or more of the processed air quality parameters representative of data from a plurality of the sensors.
Owner:AIRCUITY

System and method for calculating the thermal mass of a building

The invention comprises a system for calculating a value for the effective thermal mass of a building. The climate control system obtains temperature measurements from at least a first location conditioned by the climate system. One or more processors receive measurements of outside temperatures from at least one source other than the control system and compare the temperature measurements from the first location with expected temperature measurements. The expected temperature measurements are based at least in part upon past temperature measurements obtained by said HVAC control system and said outside temperature measurements. The processors then calculate one or more rates of change in temperature at said first location.
Owner:ECOFACTOR

Adjusting proximity thresholds for activating a device user interface

A thermostat includes a user interface that is configured to operate in at least two different modes including a first mode and a second mode. The user interface may require more power when operating in the first mode than in the second mode. The thermostat also includes a plurality of sensors, including at least one sensor configured to detect a presence of a user within a proximity of the thermostat. The thermostat additionally includes a first processing function that is configured to determine a proximity profile and to cause the user interface to be in the first mode one or more sensors provides responses that match the proximity profile. The proximity profile may be computed using a history of responses from the sensors that are likely to coincide with times where users intend to view the user interface.
Owner:GOOGLE LLC

Integration of graphic display elements, process modules and control modules in process plants

Graphic displays, which display information about process elements and the manner in which these elements are connected within a process, process modules, which simulate the operation of the elements depicted within the graphic displays and control modules, which perform on-line control activities within a process, may be communicatively connected together to provide a combined control, simulation and display environment that enables enhanced control, simulation and display activities. Smart process objects, which have both graphical and simulation elements, may used to create one or more graphic displays and one or more process simulation modules, each having elements which may communicate with one another to share data between the graphic displays and the process modules. Additionally, function blocks within control modules executed in the process plant may reference the elements within the graphic displays and the process modules (and vice versa) so that control modules may use simulated data developed by the process modules to perform better control, so that process modules may perform better simulation using actual pant data from the control modules, and so that the graphic displays may be used to illustrate actual process data and / or simulated process data as developed by the control modules and the process modules.
Owner:FISHER-ROSEMOUNT SYST INC

Method and apparatus for generating a building system model

A system and method for providing data to a model of a building system includes a building control system with a communications network, a control subsystem for generating module deployment data and transmitting the module deployment data over the communications network, a memory for storing a three dimensional model of at least a portion of a building and a computer. A computer program executed by the computer includes computer instructions for associating module deployment data received from the communications network with the three dimensional model and modifying the three dimensional model based upon the module deployment data.
Owner:SIEMENS IND INC

Air filter monitoring system

A real-time monitoring system that monitors various aspects of the operation of a refrigerant-cycle system is described. In one embodiment, the system includes a processor that measures power provided to the refrigerant-cycle system and that gathers data from one or more sensors and uses the sensor data to calculate a figure of merit related to the efficiency of the system. In one embodiment, the sensors include one or more of the following sensors: a suction line temperature sensor, a suction line pressure sensor, a suction line flow sensor, a hot gas line temperature sensor, a hot gas line pressure sensor, a hot gas line flow sensor, a liquid line temperature sensor, a liquid line pressure sensor, a liquid line flow sensor. In one embodiment, the sensors include one or more of an evaporator air temperature input sensor, an evaporator air temperature output sensor, an evaporator air flow sensor, an evaporator air humidity sensor, and a differential pressure sensor. In one embodiment, the sensors include one or more of a condenser air temperature input sensor, a condenser air temperature output sensor, and a condenser air flow sensor, an evaporator air humidity sensor. In one embodiment, the sensors include one or more of an ambient air sensor and an ambient humidity sensor.
Owner:EMERSON CLIMATE TECH INC

Interactive control system for an HVAC system

An interactive system for controlling the operation of an HVAC system is provide that comprises a thermostat for initiating the operation of the HVAC system in either a full capacity mode of operation or at least one reduced capacity mode of operation, and a controller for an outside condenser unit having a condenser fan motor and a compressor motor, the controller being capable of operating the compressor in a full capacity mode and at least one reduced capacity mode. The system also comprises a controller for an indoor blower unit having a blower fan motor, the controller being capable of operating the blower fan motor in a full capacity mode an at least one reduced capacity mode. The system further includes a communication means for transmitting information between the outside condenser unit controller and at least the indoor blower controller, where the information relates to the operation of the indoor blower and the outdoor condenser unit. The indoor blower controller responsively controls the operation of the blower fan motor in a full capacity mode or a reduced capacity mode based on the information received from the outdoor unit controller, and the outdoor unit controller responsively controls the operation of the compressor in a full capacity mode or a reduced capacity mode based on the information received from the indoor blower controller.
Owner:COPELAND COMFORT CONTROL LP

Method and apparatus for comprehensive energy measurement and analysis of a building

An energy monitoring and analysis system for a building includes a logging unit, a processing unit, temperature sensors that read the temperatures inside and outside the building, electric current sensors that read electric currents in all independent electric connections at the main connection panel of the building, and other types of sensors such as those related to natural gas flow. The logging unit periodically collects the data from all the sensors and transmits the data to the processing unit. The processing unit analyzes the data using highly sophisticated algorithms, extracts various parameters, profiles the electric energy usage, identifies potential problems with energy transfer and use, and lists recommendations for corrective actions. The processing unit analyzes data of the building, an HVAC system associated with the building, and consuming devices associated with the building.
Owner:GHOSN MICHEL

Aerosol Delivery Device Including a Positive Displacement Aerosol Delivery Mechanism

The present disclosure relates to aerosol delivery devices. The aerosol delivery devices include mechanisms configured to deliver an aerosol precursor composition from a reservoir to an atomizer including a heating element to produce a vapor. An actuator may displace a rod to dispense the aerosol precursor composition to the atomizer. Thereby, the rod may move a piston in a pump housing to dispense the aerosol precursor composition. The atomizer may define a chamber in which the heating element is positioned and at which the aerosol precursor composition is vaporized.
Owner:RAI STRATEGIC HLDG INC

Smart-home system facilitating insight into detected carbon monoxide levels

In an embodiment, a method determines one or more sources of carbon monoxide (CO) in a smart-home environment that includes a plurality of smart devices that have at least measurement and communication capabilities. The method includes measuring a level of CO in the smart-home environment to generate a CO measurement, and providing the CO measurement and one or more current characteristics of the smart-home environment, from one or more of the smart devices to an analyzing device. The method further includes evaluating, by the analyzing device and with the CO measurement and the current characteristics of the smart-home environment, a set of CO correlation scenarios that attribute generation of CO to a corresponding one of a set of specific sources, and selecting one or more of the specific sources as the most likely source of the CO, by aggregating results of the correlation scenarios.
Owner:GOOGLE LLC

Wireless sensors system and method of using same

An apparatus, system, and methods for measuring environmental parameters are disclosed. The apparatus, system, and methods can be used for a variety of applications, including HVAC air balancing and building commissioning. The system includes a variety of wireless sensing modules and wearable modules for control, display, and storage. Parameters measured include air and water temperature, pressure, velocity, and flow. Also included are sensors for light intensity, CO concentrations, and CO2 concentrations.
Owner:EVERGREEN TELEMETRY LLC
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