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TT Trane Technologies

GRANT
Utility
System and method for managing power and efficiently sourcing a variable voltage for a transport climate control system
5 Oct 21
A climate control system for use in a transport vehicle is disclosed.
Marcelo Andrade Dias, Ryan Wayne Schumacher
Filed: 9 Sep 19
GRANT
Utility
Refrigerant charge management with subcooling control
5 Oct 21
Embodiments relate generally to subcooling control of a heating, ventilation, and air conditioning (HVAC) system.
Raymond Walter Rite
Filed: 31 May 19
GRANT
Utility
System and method for OCR control in paralleled compressors
5 Oct 21
A heating, ventilation, air conditioning, and refrigeration (HVACR) system includes a first compressor having a first capacity, a second compressor having a second capacity, a condenser, an expansion device, and an evaporator fluidly connected.
Jun Ouyang, Long Zhang
Filed: 15 Jul 20
GRANT
Utility
Phobic/philic structures in refrigeration systems and liquid vapor separation in refrigeration systems
5 Oct 21
Oleophobic and/or philic surface(s) are utilized for oil separation, direction, and/or collection in a refrigeration system.
Ronald Maurice Cosby, II, Stephen Anthony Kujak, Jay Johnson
Filed: 4 Nov 19
APP
Utility
Methods and Systems for Monitoring and Displaying Energy Use and Energy Cost of a Transport Vehicle Climate Control System or a Fleet of Transport Vehicle Climate Control Systems
30 Sep 21
A method for monitoring and displaying energy use and energy cost of a transport vehicle climate control system is provided.
Scott WENGER, Katherine HOLMSTROM
Filed: 11 Jun 21
APP
Utility
Power Generation Assembly
30 Sep 21
There is disclosed a power generation assembly (300) for powering a transport refrigeration system (TRS) (52) of a vehicle (10), the power generation assembly (300) comprising: a torque converter (402) having an engine side input (404) and a transmission side output (406); a power take-off device (302) coupled to the engine side input (404) of the torque converter (402), the power take-off device (302) having a rotary output; a permanent magnet generator (304) having a rotor (420) directly coupled to the power take-off device (302) for power generation; wherein the power generation assembly (300) is configured to be housed in an engine bay (210) of a vehicle (10), and is configured to generate at least 8 kW of power when the engine side input (404) has a rotational speed of 500 rpm.
Esa Heikki Matias VIKMAN, Petri J. MAKI-ONTTO
Filed: 27 Mar 20
GRANT
Utility
Performance optimization in a building automation system
28 Sep 21
Systems and methods of improving building automation system (BAS) performance includes collecting performance parameters associated with building automation devices, comparing the parameters to a benchmark, and adjusting the performance benchmark to match the corresponding performance parameter if the corresponding performance parameter exceeds the performance benchmark, or utilizing the performance parameter and the identity of the building automation device associated therewith to remediate the performance defect.
Jonathan Glaser, Udhaya Kumar Dayalan, Thomas Christopher Basterash
Filed: 12 Jan 17
GRANT
Utility
HVAC controller area network hybrid network topology
28 Sep 21
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: 29 May 19
GRANT
Utility
Furnace
21 Sep 21
A furnace is disclosed.
Andrew Hamilton Hanks, Nathan Wagers, Thomas Gort
Filed: 5 Aug 19
GRANT
Utility
System and method for lubricant separation and return control
21 Sep 21
An HVACR system includes first and second compressors arranged in parallel, a condenser, an expansion device, an evaporator, and a lubricant separator fluidly connected.
Kristin Rice Sullivan, Eric S. Mlsna, Andrew Thomas Plzak, James P. Crolius
Filed: 19 Jul 19
GRANT
Utility
Lubricant quality management for a compressor
21 Sep 21
A heating, ventilation, air conditioning, and refrigeration (HVACR) system is disclosed.
Aaron Salesman, Kevin P. Hughes
Filed: 31 May 19
GRANT
Utility
DC to DC converter sourcing variable DC link voltage
21 Sep 21
An inverter-converter system includes a DC source, a DC to DC boost converter, a DC link capacitor, an inverter circuit, a variable speed electric machine, and a controller.
Ryan Wayne Schumacher, Marcelo Andrade Dias
Filed: 7 Nov 18
APP
Utility
Variable Capacity Screw Compressor and Method
16 Sep 21
A variable capacity screw compressor comprises a suction port, at least two screw rotors and a discharge port being configured in relation to a selected rotational speed that operates at least one screw rotor at an optimum peripheral velocity that is independent of a peripheral velocity of the at least one screw rotor at a synchronous motor rotational speed for a rated screw compressor capacity.
Dennis R. Dorman, John R. Sauls
Filed: 28 May 21
APP
Utility
Lubricant Management for an Hvacr System
16 Sep 21
Systems and methods for lubricant management of a compressor in an HVACR system are disclosed.
Thibaut Gerson
Filed: 28 May 21
APP
Utility
Refrigeration Apparatus
16 Sep 21
There is disclosed a refrigeration apparatus comprising a refrigerant circuit, the refrigerant circuit comprising a compressor comprising a compressor fan and a motor to drive the compressor fan; a condensing device disposed downstream of the compressor, the condensing device comprising a condenser and a sub-cooler; an expansion valve disposed downstream of the condensing device; an evaporator disposed between the expansion valve and the compressor; and a main refrigerant line fluidically connecting, in a loop in series: the compressor, condensing device, expansion valve and evaporator.
Yves Jacques RAIMBAULT, Philippe Del Marcel TISSERAND
Filed: 3 Feb 21
APP
Utility
Methods and Systems for Generation and Utilization of Supplemental Stored Energy for Use In Transport Climate Control
16 Sep 21
Methods and systems for operating a transport climate control system of a vehicle are provided.
Matthew SRNEC, Wallace HUBBARD, Michael James VANOUS, Mark D. LEASURE, Paul J. KROES, Philip LAVRICH
Filed: 27 May 21
GRANT
Utility
Refrigerant leak detection by use of fluid additive
14 Sep 21
A detection system and method of detection directed towards the detection of refrigerant leaking from a refrigerant circuit in a heating, ventilation, air condition, and refrigeration (HVACR) system.
Stephen A. Kujak
Filed: 4 Nov 19
APP
Utility
Speed Control Strategies for a Condenser Fan In a Refrigeration System
9 Sep 21
There is disclosed a refrigeration system comprising a refrigeration circuit that includes a compressor, a condenser, an expansion valve and an evaporator.
Wayne DONNELLAN, Premchand Reddy PUNURU, Michael GREENE, James E CONDE
Filed: 3 Mar 21
GRANT
Utility
Suction conduit flow control for lubricant management
7 Sep 21
A system includes first and second compressors arranged in parallel, a condenser, expansion device, evaporator, and flow control device fluidly connected.
James P. Crolius, Matthew Cambio
Filed: 19 Aug 19
APP
Utility
Systems and Methods for Charging Refrigerant Into a Climate Control System
2 Sep 21
Methods and related systems for charging a refrigerant into a climate control system.
Raymond Walter Rite, Drew Whitehurst, Nathan Smith
Filed: 28 Feb 20
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