41
Lin Jie Huang, Mohinder Singh Bhatti: Heating, ventilating, and air conditioning module having an improved heater core configuration. Delphi Technologies, Patrick M Griffin, April 19, 2005: US06880620 (2 worldwide citation)

The subject invention includes a heating, ventilating, and air conditioning (HVAC) assembly having a housing with an inlet and at least one outlet for directing a flow of air into a passenger compartment. An evaporator core is disposed within the housing downstream of the inlet and upstream from the ...


42
Jurgen Mario Vangeel, John Andre Van Beurden, Robbert Martinus Andreas Driessen, Bas Van Berkel, Wicher Ido Jan Gispen: Automatic and decentralized commissioning of replacement lighting units. PHILIPS LIGHTING HOLDING, Meenakshy Chakravorty, April 4, 2017: US09615434 (2 worldwide citation)

Lighting units, lighting systems, and methods are described herein for automatic and decentralized commissioning of a replacement lighting unit (140, 150, 250). In various embodiments, a replacement lighting unit may receive, from one or more remote lighting units over one or more communication netw ...


43
Jonathan D Douglas, John R Edens, Carl L Garrett, Alan D Marble, Kevin B Mercer, Gary L Sapp, Kristin L Schaefer, Brett R Schneider, Steven A Tice: System and method of disabling an HVAC compressor based on a high pressure cut out. Trane International, Conley Rose P C, J Robert Brown Jr, February 14, 2012: US08113789 (2 worldwide citation)

A system and method is provided for monitoring a system pressure to infer whether a high pressure cut out (HPCO) switch has opened disabling a heating, ventilating, and air conditioning (HVAC) compressor. A system and method are also provided for determining whether to disable the HVAC compressor ba ...


44
Gordon Jeffrey Hugghins, Roger L Boydstun: Method of twinning air conditioning units. Trane International, Conley Rose P C, J Robert Brown Jr, January 10, 2012: US08091373 (2 worldwide citation)

Heating, ventilating and air conditioning (HVAC) equipment units are provided with controllers which may be interconnected to a third or common controller, such as a communicating thermostat, and provide information in a process to determine if two or more of such air conditioning units may be opera ...


45
Huang Lin Jie, Bhatti Mohinder S: Heating, ventilating and air conditioning module having an improved heater core configuration. Delphi Tech, January 2, 2004: EP1375208-A1 (2 worldwide citation)

The subject invention includes a heating, ventilating, and air conditioning (HVAC) assembly or module (10) having a housing (12) with an inlet (14) and at least one outlet (16,18,20) for directing a flow of air into a passenger compartment. An evaporator core (22) is disposed within the housing (12) ...


46
Todd Andrew Hester, Evan Jarman Fisher, Piyush Khandelwal: Predictively controlling an environmental control system. Google, Kilpatrick Townsend & Stockton, January 16, 2018: US09869484 (2 worldwide citation)

In an embodiment, an electronic device may include a processor that may iteratively simulate candidate control trajectories using upper confidence bound for trees (UCT) to control an environmental control system (e.g., an HVAC system). Each candidate control trajectory may be simulated by selecting ...


47
Gregory Young, David Kucera, Donald J Kasprzyk, Willem Super, Jos Praat, Roelof Thiewes, Hans M van der Mei, Brian Zabel, John D Mitchell: Burner control system. Honeywell International, Seager Tufte & Wickhem, May 23, 2017: US09657946 (1 worldwide citation)

A burner control system for improving burner performance and efficiency. The system may determine fuel and air channel or manifold parameters. Determination of parameters may be performed with a sensor connected across the air and fuel channels. A signal from the sensor may control the parameters wh ...


48
Joseph R Ribbich, Nicholas S Van Derven: User control device with hinged mounting plate. Johnson Controls Technology Company, Foley & Lardner, February 13, 2018: US09890971 (1 worldwide citation)

A thermostat includes a housing, a touch-sensitive display configured to display visual media and receive user inputs, processing electronics configured to operate the touch-sensitive display, and a mounting plate. The housing includes a base that has walls that define an internal volume. The housin ...


49
Steven Nielsen, Curtis Chambers, Jeffrey Farr: Methods and apparatus for generating output data streams relating to underground utility marking operations. CertusView Technologies, Cooley, January 10, 2017: US09542863 (1 worldwide citation)

Methods and apparatus for generating electronic records of marking operations for underground facilities/utilities. Electronic records of marking information may be logged/stored in local memory of a marking device, formatted in various manners, processed and/or analyzed at the marking device itself ...


50
Joseph G Marcinkiewicz, Charles E Green, Michael I Henderson: System and method for permanent magnet motor control. Emerson Climate Technologies, Harness Dickey & Pierce, April 25, 2017: US09634593 (1 worldwide citation)

A method of operating an electric motor is disclosed. The method includes: starting the electric motor in an open loop control mode; operating an estimator that estimates operating conditions of the electric motor; and, while the electric motor is in the open loop control mode, evaluating a first pa ...