767 patents
Page 4 of 39
Utility
Control of a Load Facility In Response to a Demand Event
5 Oct 23
A method and apparatus for controlling a load facility in response to a demand event.
Udhaya Kumar Dayalan, James Kenneth McKeever, Brian A. Kirkman
Filed: 31 Mar 22
Utility
Layered control panel design to provide separation of high/low voltage
3 Oct 23
A layered control panel for a heating, ventilation, air conditioning, and refrigeration (HVACR) unit includes an outer layer on which low-voltage components are placed, and an inner layer on which high-voltage components are placed.
Steven Jones
Filed: 29 Dec 20
Utility
Heat pump reversing valve fault detection system
3 Oct 23
Example embodiments of the present disclosure relate to a heat pump assembly including a system or method for detecting a fault in the heat pump.
Shivakumar Kolloju, Ragunanthanan Mylsamy, Jonathan E. Thrift, Dominique Schaefer Pipps
Filed: 29 Mar 21
Utility
Heat Pump Fault Detection System
28 Sep 23
Example embodiments of the present disclosure relate to a heat pump including a system or method for detecting a fault in the heat pump.
Don A. Schuster, Prabakaran Chezhian, Logenthiran Vazhmuni
Filed: 28 Mar 22
Utility
Mode switching for a centrifugal compressor
26 Sep 23
The technologies described and recited herein pertain to a permanent magnet motor having multiple voltage taps so that the motor may run in multiple configurations, e.g., a low-range and a high-range, and have multiple optimal operating points.
Benjamin J. Sykora, Petri J. Mäki-Ontto, James W. Ziemer, Matthew A. Shepeck
Filed: 23 Apr 21
Utility
Scroll compressor with engineered shared communication port
19 Sep 23
An asymmetric scroll compressor includes a compressor housing.
Joseph E. Ziolkowski, Jr., Eric S. Mlsna
Filed: 30 Sep 21
Utility
Suction Heat Exchanger De-misting Function
14 Sep 23
A liquid-vapor separator includes a housing, an inlet disposed on the housing and configured to receive a working fluid into the housing, a vapor stream outlet disposed on the housing and configured to release a vapor stream of the working fluid, and a demister disposed in the housing and configured to transfer thermal energy between the working fluid and the vapor stream.
Erica L. Gallant, Justin D. Piggush, Jon P. Hartfield
Filed: 1 Feb 22
Utility
Systems and methods for diagnosing a loss of capacity of a climate control system
12 Sep 23
Methods and related systems for diagnosing a loss of capacity of a heating, ventilation, and air conditioning (HVAC) system are disclosed.
Christopher Blake Smith, Evan Brunner, Jonathan Edward Thrift
Filed: 29 Mar 21
Utility
Methods and Systems of Minimizing C-rate Fluctuation by Adjusting Operation of a Transport Climate Control System
7 Sep 23
A method of minimizing C-Rate fluctuations with an electrically powered accessory (EPA) is disclosed.
Michael James Vanous, Carolyn Lewelling, Christos Alkiviadis Polyzois
Filed: 15 May 23
Utility
Methods and Systems for Lubricating a Transport Climate Control System Having an Auxiliary Sump
7 Sep 23
A climate control system includes a compressor which includes a compressor housing, a compressor element provided in the compressor housing, a lubricant circuit, and an auxiliary sump.
Eric S. Mlsna, Lars I. Sjoholm
Filed: 7 Mar 22
Utility
Simultaneous Vapor and Liquid Injection
31 Aug 23
Systems and methods for simultaneous vapor and liquid injection for a transport climate control system are provided.
Lars I. SJOHOLM, Gurudath NAYAK HEBRI, Alexander SCHMIG
Filed: 27 Feb 23
Utility
Systems and Methods of Using Diesel Particulate Filter Heater As a Load Bank
31 Aug 23
Systems and methods for using a diesel particulate filter (DPF) heater as a load bank to maintain a minimum exhaust temperature for a diesel oxidation catalyst (DOC) paired with a prime mover are provided.
Adam B Carey, James Goodsell, Grant A. Baumgardner
Filed: 28 Feb 22
Utility
Methods and Systems for Secure Communication and Authorization of Vehicle Mode Change
17 Aug 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: 24 Apr 23
Utility
HVAC controller area network hybrid network topology
15 Aug 23
The present disclosure provides a CAN network topology for an HVAC communication system.
Ramon Portillo, Neal Harrington, Nathan Smith, Caleb A. Davis, Brad T. Wilson
Filed: 1 Sep 21
Utility
Sound attenuation for HVAC devices
15 Aug 23
Example embodiments of the present disclosure relate to improved HVAC devices and kits for HVAC devices that improve the sound attenuation associated with the device, particularly low-frequency noise.
Yogesh Pandit, Richard L. Jameson, Zubin Varghese, John Bailey, Lance Lindenberg, Thomas Gort, Shiva Prasad Keralapura Basavaraju, Kevin Joseph Ligi
Filed: 31 Mar 21
Utility
Method of improved control for variable volume ratio valve
15 Aug 23
Variable volume ratio compressors may be controlled using a switching parameter based on compressor speed and suction density to improve the matching of compressor volume ratio to desired discharge conditions.
Christopher Espelien, Scott M. Branch
Filed: 23 Nov 20
Utility
System and method for dynamically determining refrigerant film thickness and dynamically controlling refrigerant film thickness at rolling-element bearing of an oil free chiller
15 Aug 23
Methods are directed towards dynamically determining refrigerant film thickness at the rolling-element bearing and for dynamically controlling refrigerant film thickness at the rolling-element bearing.
Jay H. Johnson
Filed: 29 Nov 21
Utility
Method and apparatus for maintaining software of a control unit for an industrial control system
15 Aug 23
The present disclosure provides a method and apparatus for maintaining computer software of a supervisory control unit (SCU) of an industrial control system (ICS) configured to control equipment of a facility.
Udhaya Kumar Dayalan, James K. McKeever
Filed: 29 Nov 21
Utility
Hvac System Configuration and Zone Management
10 Aug 23
Systems and methods for HVAC system design and zone group management are disclosed.
Matthew Biesterveld, Nagappan Chidambaram, Manoj Kumar Puli, Scott J. Delo
Filed: 20 Apr 23
Utility
Thermostat temperature compensation modeling
8 Aug 23
Systems and methods for configuring a temperature control system of a heating, ventilation, and air conditioning (HVAC) system controller are described.
Christopher Blake Smith, Kit W. Klein, James J. Wiltzius, Joseph George Land, III
Filed: 7 Dec 20