1992 patents
Page 5 of 100
Utility
Muffler with Metallic Meshed Rings
7 Dec 23
Disclosed is a muffler for a water-cooled chiller or air-cooled of a vapor-compression or absorption refrigeration system, the muffler having: an upstream case having a fluid inlet; a downstream case connected to the upstream case at a downstream end of the upstream case, the downstream case having a fluid outlet; the upstream case having a plurality of axially adjacent outer muffler rings and a plurality of axially adjacent inner muffler rings, the outer muffler rings being axially coextensive and a radially exterior to the inner muffler rings and defining a fluid inlet passage therebetween, wherein the outer muffler rings and inner muffler rings are a metal mesh material.
Anthony S. Molavi
Filed: 18 Aug 23
Utility
Accumulator Heat Exchanger
7 Dec 23
An accumulator heat exchanger comprising an accumulator vessel with an internal volume for accumulation of refrigerant fluid.
Fabien Talhouarn, Benoit Bombard, Mark Hooker, David Vericel
Filed: 7 Jun 23
Utility
Dehumidifier
7 Dec 23
A dehumidifier includes a water tank, a body configured to be located over the water tank when the body is in a working state, and a drain pump provided at the body.
Zhiming ZHANG
Filed: 24 Sep 21
Utility
Dehumidifier
7 Dec 23
A dehumidifier includes a water tank, a body including a dehumidification device, and a water collection mechanism below the dehumidification device and between the body and the water tank.
Fashen LIU
Filed: 23 Mar 21
Utility
Transportation Refrigeration Unit and Method of Measuring Quantity of Refrigerant In the Same
7 Dec 23
A method of measuring the quantity of refrigerant in a refrigeration circuit of a transportation refrigeration unit (TRU).
Maxime Lejeune, Marinne Saint-Denis
Filed: 30 May 23
Utility
Transport refrigeration unit with engine heat for defrosting
5 Dec 23
A transport refrigeration unit is provided and includes a compressor, a condenser, an expansion valve, an evaporator, piping fluidly coupling the compressor and the condenser, a fluid loop to produce heated fluid from an engine, which is configured to drive operations of the compressor, a heat exchanger disposed in the refrigeration cycle such that the heated fluid thermally interacts with refrigerant of the refrigeration cycle and a hot gas bypass valve to control a quantity of refrigerant removed from the piping.
Jian Sun, Yinshan Feng
Filed: 3 Sep 19
Utility
Systems and methods of distributing cold chain diagnostics to own and third party cold chain, trucking and refrigeration solution providers
5 Dec 23
A system for analyzing a transport refrigeration system including: a storage device to store transport parameters associated with a transport refrigeration system and customer licenses; a diagnostics engine in electronic communication with the storage device, the diagnostics engine including: a license module to determine whether a user device has a customer license for at least one of descriptive data, diagnostic data, predictive data, and prescriptive data; a descriptive module to determine descriptive data in response to at least the transport parameters; a diagnostic module to determine diagnostic data of the transport refrigeration unit in response to at least the transport parameters; a predictive module to determine predictive data; and a prescriptive module to determine prescriptive data.
Ananthakrishnan N, Lewis Gordon Curtis
Filed: 10 Sep 19
Utility
Microstrip patch antenna with increased bandwidth
5 Dec 23
A microstrip antenna array including: a thin substrate; two or more microstrip radiating patches placed on a first side of the substrate, each radiating patch including: an input port; a radiating patch width (WRP) extending in a longitudinal direction; a radiating patch length (LRP) extending in a transverse direction, wherein the transverse direction is perpendicular to the longitudinal direction, and wherein the longitudinal and transverse directions are in the plane of the radiating patch; a radiating patch transverse axis (TRP) along the midpoint of the radiating patch width; and a radiating patch longitudinal axis along the midpoint of the radiating patch length, wherein the two or more radiating patches are spaced in the longitudinal direction such that the radiating patch longitudinal axis of each radiating patch is aligned along a common longitudinal axis (C); and one or more parasitic patches placed on the first side of the substrate.
Marat Patotski
Filed: 8 Sep 22
Utility
Evaporator with one or more leak mitigation dampers
5 Dec 23
An HVAC/R system having: an HVAC/R component that has a heat exchanger, the HVAC/R component configured to allow a refrigerant to flow therethrough; a housing with the heat exchanger disposed there therein, and a supply side air conduit connected to the housing, the supply side air conduit being operably coupled to the HVAC/R component; a supply side leak mitigation damper operably coupled to the supply side air conduit; and wherein the supply side leak mitigation conduit is configured to selectively block airflow through the supply side air conduit.
Richard G. Lord, Larry D. Burns
Filed: 10 Sep 20
Utility
Method and a system for performing calibration of variable air volume (VAV) units
5 Dec 23
Aspects of the invention are directed towards a system and a method for performing calibration of variable air volume (VAV) units.
Rohan Ajinkya Mehta
Filed: 7 Dec 20
Utility
Cooling system and method of operating a cooling system
5 Dec 23
A cooling system includes a compressor operable to compress refrigerant, an accumulator upstream from the compressor.
Charles A. Cluff
Filed: 7 Aug 20
Utility
Purge system for chiller system
5 Dec 23
A purge system for removing non-condensables from a chiller system includes a purge chamber, a plurality of carbon beds fluidly connected to the purge chamber into which a flow of refrigerant and non-condensables is selectably directed from the purge chamber to remove the non-condensables therefrom.
Zidu Ma, Ivan Rydkin, Warren Clough
Filed: 28 Jul 21
Utility
Pressure gauges, pressure vessel assemblies, and methods of displaying pressure within pressure vessel assemblies
5 Dec 23
A pressure gauge includes a housing, a helical tube, and a compensation member.
Thomas Carl Kjellman
Filed: 24 Aug 20
Utility
System and method for predicting a surge of a centrifugal refrigeration compressor and air-conditioning unit
5 Dec 23
A system for predicting a surge of a centrifugal refrigeration compressor including a signal capturing module for capturing at least two signals relevant to the centrifugal refrigeration compressor; a feature extracting module defining a window period for extracting data of the at least two signals, and defining at least two feature functions respectively acting on the data in the window period of the at least two signals; and, a feature analyzing and deducing module calculating a feature value for each of the signals to map a probability value of surge prediction for each of the signals, and concluding, based on the probability value of the surge prediction of each of the signals, a final probability value to determine whether or not the surge will occur to the centrifugal refrigeration compressor.
Jialong Wang, Qiang Chen, Guicai Zhang, Yun Li, Haitao Zhou, Zhen Jia, Chao Wang
Filed: 8 Aug 19
Utility
Method and a system for operating an air handling unit at effective static pressure
5 Dec 23
A system and a method for operating an air handling unit (AHU) at an effective static pressure setpoint in a HVAC system.
Rohan Ajinkya Mehta, Pratap Kumar DVS
Filed: 24 Nov 21
Utility
In-situ Pressurized Restaurant System
30 Nov 23
A fire suppression system is disclosed.
Richard Lupien, Kevin Richards
Filed: 26 Apr 23
Utility
Maintaining Healthy Rooms for Users Using Mobile Credentials
30 Nov 23
A system for environmental monitoring and user health is provided.
Ramesh Lingala, Aswin Sukumaran Nair
Filed: 25 May 23
Utility
Alarm System Component with Unpowered Event Detection
30 Nov 23
A component 1 for use in an alarm system includes a component controller 2 and a monitoring module 4.
Pere Moix OLIVÉ
Filed: 9 Aug 23
Utility
Refrigeration System
30 Nov 23
The refrigeration system comprises: a main flow path comprising a compressor, a condenser, a throttling device and an evaporator, wherein the compressor comprises at least a first compression stage and a second compression stage; and the refrigeration system further comprises: an ejector configured to eject low-pressure refrigerant from the evaporator by means of high-pressure refrigerant from the condenser and to mix them into medium-pressure gas-liquid two-phase refrigerant; and a separator configured to separate the medium-pressure gas-liquid two-phase refrigerant from the ejector into gas-phase refrigerant and liquid-phase refrigerant, to deliver the gas-phase refrigerant separated to a gas supply port between a fluid outlet of the first compression stage and a fluid inlet of the second compression stage in the compressor, and to deliver the liquid-phase refrigerant separated to a motor housing of the compressor for cooling a rotor and a stator in the motor housing by flash evaporation.
Wei Zhang
Filed: 23 May 23
Utility
Energy Recovery System
30 Nov 23
A method and system used for controlling energy recovery from a vehicle, wherein the vehicle comprises a generator for recovering energy from rotation of the axle during operation of the vehicle.
Jamal Zarrabi
Filed: 30 May 23