767 patents
Page 9 of 39
Utility
Aerostatic Thrust Bearing and Method of Aerostatically Supporting a Thrust Load In a Scroll Compressor
9 Feb 23
A scroll compressor includes a first scroll member, a second scroll member, and an aerostatic thrust bearing.
Jay H. JOHNSON, Michael G. BENCO, Sung Hwa JEUNG, Scott J. SMERUD, James Joseph WILTZIUS
Filed: 15 Aug 22
Utility
System and Method of Hot Gas Defrost Control for Multistage Cascade Refrigeration System
2 Feb 23
The present invention provides a system and method for an improved multistage, cascade refrigeration system using hot gas defrost to rid the evaporator of ice build-up which accumulates over time, while the air in the evaporator enclosure remains below the freezing point of water.
David Scott FARRAR, James S. VUKSIC, Trace LYDICK, Thomas SCHOEPPNER, Alex ROBERTS
Filed: 11 Sep 20
Utility
Network Security Management for a Building Automation System
2 Feb 23
Methods and systems for performing an electronic security assessment of a building automation system are provided.
Udhaya Kumar Dayalan, Brian Meyers, Mangayarkarasi Sivagnanam
Filed: 3 Oct 22
Utility
Bearing for supporting a rotating compressor shaft
31 Jan 23
A compressor includes a housing, a shaft that is rotated relative to the housing to compress a working fluid, and a foil bearing that supports the shaft.
Sung Hwa Jeung, Charles Roesler, Donald Lee Hill, Jay H. Johnson, Joseph M. Heger
Filed: 26 Jun 19
Utility
Scroll compressor with second intermediate cap to facilitate refrigerant injection
24 Jan 23
A scroll compressor includes a compressor housing, an orbiting scroll member and non-orbiting scroll member intermeshed to form a compression chamber, a discharge pressure chamber, an intermediate pressure chamber.
Scott J. Smerud
Filed: 30 Jun 21
Utility
Systems and methods for seamlessly transferring a radio connection between components of a climate control system
24 Jan 23
Methods and related systems for operating a climate control system for an indoor space are disclosed.
Carl L. Garrett, Nathan Smith, Daniel J. Blair, Drew Whitehurst, Caleb Davis
Filed: 8 Jul 20
Utility
Transport Climate Control System and Method
19 Jan 23
A transport climate control system is described which comprises a controller configured to determine a power demand of a climate control circuit of the system and to provide power to the climate control circuit in a first power mode when the power demand is above a power threshold and to provide power to the climate control circuit in a second power mode when the power demand is at or below the power threshold.
Peadar CONNEELY, Sean KEAVENEY, Wayne DONNELLAN, Pierce D. KENNEDY
Filed: 15 Jul 22
Utility
Methods for Estimating Refrigerant Charge for Hvacr Systems
19 Jan 23
A method for estimating refrigerant charge for an HVACR system is provided.
Jian Ming ZHANG, Lifen LI, James P. CROLIUS, Scott A. MUNNS
Filed: 19 Sep 22
Utility
HVAC system
17 Jan 23
There is provided a HVAC system comprising: a fluid circuit for conveying a refrigerant; a compressor for compressing the refrigerant; three heat exchangers defining an evaporator, an outdoor exchanger and a heat recovery exchanger provided along the fluid circuit; an expansion valve provided along the fluid circuit; and a receiver connected in parallel to the expansion valve, wherein a fill valve is located between the receiver and a connection upstream of the expansion valve and a drain valve is located between the receiver and a connection downstream of the expansion valve; wherein the fluid circuit comprises a plurality of valves which are configured to be controlled based on a selected operating mode such that at least one of the outdoor exchanger and the heat recovery exchanger is connected to a discharge line of the compressor and in series with one of the other heat exchangers which is connected to a suction line of the compressor, with the expansion valve disposed between the heat exchangers; wherein the fill and drain valves are configured to be controlled to store a volume of refrigerant in the receiver so as to provide an effective refrigerant charge in the fluid circuit that corresponds to the selected operating mode.
Yves Jacques Raimbault, Philippe Del Marcel Tisserand
Filed: 1 Sep 20
Utility
Systems and methods for coil temperature deviation detection for a climate control system
10 Jan 23
Methods and related systems of detecting a temperature deviation in a heat exchanger coil of a climate control system.
Jonathan Edward Thrift, Christopher Blake Smith, Dominique Ashley Schaefer Pipps
Filed: 1 Oct 19
Utility
Online optimization of variable frequency drive compression efficiency
10 Jan 23
A method for adjusting compression efficiency for an HVACR system having a variable-frequency drive (VFD) is disclosed.
Seth M. McGill, Charles J. Peterson, Lauri Juhani Salmia, Petri J. Mäki-Ontto
Filed: 31 Mar 21
Utility
Systems and Methods for Diesel Particulate Filter Regeneration Using Air from Vehicle Compressed Air
5 Jan 23
Systems and methods for diesel particulate filter regeneration for a transport climate control system are provided.
Adam B. Carey, Jimmy Goodsell, Justin Brookman
Filed: 30 Jun 21
Utility
Scroll Compressor with Second Intermediate Cap to Facilitate Refrigerant Injection
5 Jan 23
A scroll compressor includes a compressor housing, an orbiting scroll member and non-orbiting scroll member intermeshed to form a compression chamber, a discharge pressure chamber, an intermediate pressure chamber.
Scott J. Smerud
Filed: 30 Jun 21
Utility
Systems and methods for operation of a climate control system
3 Jan 23
Climate control systems and related methods and systems therefore a disclosed.
Behrooz Karimi, Youssef A. Jaber, Wayne N. Kraft
Filed: 23 Dec 19
Utility
Systems and methods for detecting air filter fouling in a climate control system
3 Jan 23
Methods and related systems for operating a climate control system for an indoor space are disclosed.
Raymond Walter Rite
Filed: 28 Oct 19
Utility
Evaporator Apparatus
29 Dec 22
An evaporator apparatus for a refrigeration cycle of an HVAC system or a refrigeration system is disclosed that includes: a primary evaporator pathway for a working fluid of the refrigeration cycle extending through a primary expansion device and a primary evaporator; a secondary evaporator pathway for the working fluid in parallel with the primary evaporator pathway and extending through a secondary expansion device and a secondary evaporator; a coolant circuit for cooling a device, the secondary evaporator configured for heat exchange between the working fluid and process fluid of the coolant circuit; and a controller configured to control: the primary expansion device to maintain a target superheat of working fluid at a primary control location downstream of the primary evaporator; and the secondary expansion device based on monitoring a temperature of process fluid to maintain a target temperature of process fluid at a coolant control location in the coolant circuit.
Pavel HOUDEK, Martin GALANSKY, Martin MASKA
Filed: 7 Jun 22
Utility
Interstage capacity control valve with side stream flow distribution and flow regulation for multi-stage centrifugal compressors
27 Dec 22
Centrifugal compressors can incorporate a side stream flow of intermediate pressure vapor between stages of that compressor.
Mark W. Harrison, Jon Christopher Johnson
Filed: 3 Nov 21
Design
Human machine interface for a controller
27 Dec 22
Shawn Alan Schemmel, Russell L. Sanders, Adam Howard Raybin, David Patrick O'Gorman, Sean Keaveney, Joshua Hubert, Diarmaid Thomas Bucke, Shiva Kumar Dakshina Murthy, Jonathan W. Blixt, John M. Gladitsch
Filed: 1 Nov 21
Utility
Model-based control of zone dampers in an HVAC system
27 Dec 22
A method is provided for controlling an HVAC system.
Youssef A. Jaber, Wayne N. Kraft, Behrooz Karimi
Filed: 28 Oct 20
Utility
Systems and methods for controlling compressor motors
20 Dec 22
This disclosure is directed to systems and methods for controlling compressor motors, particularly varying the operation parameters of the motor to provide heat to a lubricant of the motor.
Seth M. McGill, Aaron Salesman, Christopher Espelien, Josef L. Schmidt
Filed: 17 Dec 18