397 patents
Page 4 of 20
Utility
Systems and methods for modeling of chiller efficiency and determination of efficiency-based staging
2 May 23
Multi-compressor chiller systems can be efficiently operated by determining real time efficiency curves for the compressors currently in operation, along with any compressors that may be added to address demand, and using these efficiency curves to determine changes to compressor operation to improve efficiency in meeting chiller demand.
Brian A. Kirkman, Lee R. Cline
Filed: 22 Dec 20
Utility
Automated testing of HVAC devices
2 May 23
Architectures or techniques are presented that can facilitate automated function testing (AFT) in connection with an HVAC system or component thereof.
Christopher R. Vause, Anthony W. Bruno, Jigar Chimanlal Patel, Sudeep Uprety, Matthew Allen Faust
Filed: 13 Dec 19
Utility
Heat recovery or heating unit load balance and adaptive control
2 May 23
Control systems and methods for control of heating, ventilation, air conditioning, and refrigeration (HVACR) systems that include cooling and one or both of heating and heat recovery can include adaptive and balanced modes for each of heating and cooling operations.
Lee R. Cline, Michael C. A. Schwedler
Filed: 30 Sep 20
Utility
Refrigeration system with purge and acid filter
25 Apr 23
Refrigeration systems with a purge for removing non-condensables from the refrigerant and an acid filter for remove acid from the refrigerant are provided.
Daoud Ali Jandal, Julie Ann Majurin, Stephen Anthony Kujak, Raymond Scott Schafer, Paul Edmond Cieslinski
Filed: 26 Jul 21
Utility
Hinged waterbox cover
25 Apr 23
A bolted hinge assembly is provided for a waterbox cover (a “waterbox hinge assembly”).
Steven E. Wolfgram, Daoud A. Jandal, Bradley S. Wickersham, Fred Eickstaedt, James M. McCool, Raymond S. Schafer, Ronald E. Schlicht, Robert A. Harris, Steven E. Meloling, Raghu Kumar, Kishore Prabakaran
Filed: 4 Feb 19
Utility
Methods and systems for secure communication and authorization of vehicle mode change
25 Apr 23
Electrically powered accessories connected to vehicle power systems are authenticated, and connections between the accessories and the vehicle power systems are based on permissions resulting from that authentication. accessories may supply authentication information associated with an authentication level, and form a permitted connection based on the authentication level.
Ryan Wayne Schumacher, Bryce Butler, Michael James Vanous, Matthew Srnec, Tracey Patterson
Filed: 8 Nov 19
Utility
Electrical power supply management for climate-controlled system associated with automotive application
11 Apr 23
Technologies described herein pertain to delivering power to primary and accessory electrical components associated with a vehicle that is at least partially electrically powered, as well as to a power source of the vehicle itself.
Matthew Srnec, Michael James Vanous, Ryan Wayne Schumacher, Carolyn Lewelling
Filed: 8 Nov 19
Utility
Systems and methods for operating a furnace
11 Apr 23
Methods and related systems for operating a furnace are disclosed.
James R. M. Neal, Thomas Gort, Wayne N. Kraft, Sandeep Gowdagiri, Neal Harrington, David Williams, Jr.
Filed: 10 Jul 20
Utility
Power protection system for a power module of a transport climate control system
28 Mar 23
A power module for a transport climate control system that supplies power to a plurality of components of the transport climate control system is provided.
Shawn Alan Schemmel, Diarmaid Thomas Bucke, Niall Lynch
Filed: 30 Apr 20
Utility
Systems and methods for protecting sealed compressor electrical feedthrough
28 Mar 23
A method of feedthrough and overcurrent protection of a sealed compressor used in a transport climate control system (“TCCS”) is provided.
David J. Renken, Tony Spetz
Filed: 30 Jun 20
Utility
Systems and methods for grid appliances
28 Mar 23
Embodiments of systems and methods for power demand management are described herein.
Michael Sean Day, Matthew M. Corulli, Stephen A. Kujak, Ronald Maurice Cosby, II
Filed: 30 Dec 20
Utility
Backward curved plenum fan having enhanced efficiency
14 Mar 23
A centrifugal fan for use as a blower in a heating, ventilation, air conditioning, and refrigeration (HVACR) system has a plurality of blades each having a leading edge camber angle of at or about 10 degrees to at or about 30 degrees, a trailing edge camber angle of at or about 10 degrees to at or about 30 degrees, a stagger angle of at or about 35 degrees to at or about 55 degrees, and a chord having a length L, wherein the length L over the diameter of the centrifugal fan divided by the diameter D satisfies the inequality 0.25≤L/D≤0.42.
Nathan Wagers, Ramesh Vedula, Karthik Sankar Ram, Ganesh Narayana
Filed: 3 Dec 19
Utility
Gas bearing with integral non-contacting seal
14 Mar 23
A gas bearing for a compressor includes a bearing portion and a sealing portion mounted to a bearing housing of the compressor via one or more dampers, and the sealing portion being fixedly connected to the bearing portion, and a vent with an inlet in the bearing.
Robert S. Bakkestuen
Filed: 7 May 21
Utility
Systems and methods for controlling differential refrigerant pressure
14 Mar 23
Systems and methods are provided for controlling compressor systems to ensure sufficient pressure differentials to provide cooling.
Philippe Del Marcel Tisserand, Yves Jacques Raimbault, Stephane Koenigsecker
Filed: 1 Mar 21
Utility
Occupancy sensing and building control using mobile devices
7 Mar 23
Apparatus, systems and methods for ascertaining the occupancy of a building are presented.
Paul Edmund Haines, Thomas A. Fletcher, Bryan Kinney, John C. Olson
Filed: 22 Dec 15
Utility
Impeller with external blades
7 Mar 23
A compressor includes a housing, a shaft, and an impeller rotatable relative to the housing by the shaft.
Joel Gronvall
Filed: 28 Jun 19
Utility
Dehumidifying air handling unit and desiccant wheel therefor
28 Feb 23
A dehumidifying air handling unit for an HVACR system includes a housing, a desiccant wheel, and a cooling heat exchanger.
Yogesh Pandit, Ronnie R. Moffitt, Zubin Varghese, Jeyaprakash Gurusamy
Filed: 12 Feb 21
Utility
Sealing assembly with improved gasket
21 Feb 23
Example embodiments of the present disclosure relate to an assembly for sealing a rigid pipe, a furnace, and a gasket for use in an HVAC fluid conduit.
Gary L. Shultz, Jr., Travis Hansen
Filed: 30 Dec 20
Utility
Air handling unit with integral inner wall features
21 Feb 23
An air handling unit has an interior wall configured to selectively retain a removable component of the air handling unit.
Jeffrey L. Stewart, Mark Hudgins, Richard Lee Jameson, Keith Adam Novak, Leslie Zinger
Filed: 30 Aug 19
Utility
Orientation-based HVAC control
21 Feb 23
Example embodiments of the present disclosure relate to a control system for controlling an HVAC device where the control system includes a temperature sensor that provides a signal indicative of a temperature associated with the HVAC device, an orientation sensor that provides a signal indicative of an operating orientation of the HVAC device, and control circuitry that receives the temperature signal and the orientation signal from the orientation sensor.
Neal Harrington, Thomas Gort, James R. M. Neal
Filed: 30 Dec 20