Robert Wayne Helt: Heater interlock control for air conditioning system. Trane International, Conley Rose P C, J Robert Brown Jr, Michael J Schofield, January 5, 2016: US09228757

A method is provided for controlling operation of electrical heating elements in a heating, ventilating, and air conditioning (HVAC) system in accordance with fan operating conditions, the method comprising the steps of: monitoring speeds at which a fan motor is operating; communicating status signa ...

Robert Cooney: Method for controlling an expansion relief header for protecting heat transfer coils in HVAC systems. Drinker Biddle & Reath, January 10, 2017: US09541338

An expansion relief header and its method of operation are disclosed for use in an HVAC heat transfer coil. The expansion relief header includes a main body adapted to be secured to bends in fluid coils of the HVAC fluid tube system. The main body includes holes in alignment with holes formed in the ...

Timothy J Kane, Joseph J Franzino, Ray Field: Hand-held solid chemical applicator. Crossford International, Carson C K Fincham, Fincham Downs, January 3, 2017: US09533331

Hand-held solid chemical applicator assemblies for various cleaning applications such as coil cleaning utilizing specially-configured chemical tablet chamber and assembly hydraulics. In some cases, the hand-held solid chemical applicator assemblies are configured to include a cylindrical flow divert ...

Ormonde George Durham, Ormonde Ethan Durham, Francis C Fischer, Edward E Lakata: Intelligent total air climate and cleaning conditioner. OPTO GENERIC DEVICES, Hoffman Wamick, January 3, 2017: US09535407

An intelligent total air climate conditioner (iTACC) that includes an optically programmed adaptive system controller in electrical communication with at least one sensor and at least one fan motor that is capable adaptive operation of the fan motor based input signals from the at least one sensor.

Clifford C Federspiel: Methods and systems for coordinating the control of HVAC units. Vigilent Corporation, Kilpatrick Townsend & Stockton, David B Raczkowski, February 14, 2017: US09568924

A control strategy for heating, ventilating, and air-conditioning (HVAC) units used to condition the environment in data centers and other commercial buildings such as retail stores with an open-plan design is provided to coordinate the operation of the actuators of the HVAC units. A supervisory con ...

Mason Edward Eike: Inline air treatment device. Marsh Fischmann & Breyfogle, Jonathon A Szumny, January 10, 2017: US09539356

An airflow treatment device configured to be installed inline in the ductwork of an air handling system (e.g., HVAC system) in a manner that is substantially free of obstructing the airflow through the ductwork or requiring any supplemental power to treat the airflow passing by the treatment device. ...

John C Fischer, Kirk T Mescher, Richard K Mitchell, Stephen P Glen, Steven S Carroll: Chilled beam pump module, system, and method. SEMCO, Bryan Cave, April 18, 2017: US09625222

Chilled-beam zone pump modules for controlling zones of a chilled-beam heating and air conditioning system, multiple-zone chilled beam air conditioning systems for cooling multiple-zone spaces, and methods of controlling chilled beams in multi-zone air conditioning systems. Embodiments include a pum ...

Timothy A Vogel, Josiah Wiley: Gas flow measurement system and method of operation. RUSKIN COMPANY, Jackson Walker, Christopher J Rourk, February 14, 2017: US09568349

A gas flow monitoring system is disclosed that includes a plurality of first gas flow sensors. A primary probe transmitter is connected to the plurality of first gas flow sensors is configured to process data received from the plurality of first gas flow sensors to generate first gas flow data. A pl ...

Frank Auer, Robert Hartmann, Christoph Seidl: Alternator with current measurement. Infineon Technologies, Shumaker & Sieffert P A, May 9, 2017: US09647589

An alternator is described that is configured to provide a current for powering one or more loads. The alternator includes an output port configured to output the current for powering the one or more loads, and one or more current sensors configured to measure a current level of at least a portion o ...

Richard J Chutorash, James E Trainor, Jeffrey Golden, Steven L Geerlings: Communication system and method. GENTEX CORPORATION, Foley & Lardner, Bradley D Johnson, March 21, 2017: US09600950

A vehicle system includes a vehicle communication module in the vehicle, a remote start system in the vehicle, and a vehicle processor. The vehicle processor is configured to determine if the vehicle is in a garage, and further configured to receive an indication of a remote start request from the r ...

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