1992 patents
Utility
Active Harmonic Compensator for Variable Speed Chillers
18 Jan 24
An active harmonic filter (AHF) compensation assembly is provided.
Luis Arnedo, HanJong Kim, Ismail Agirman
Filed: 9 May 18
Utility
Hybrid Power System for Transport Refrigeration Systems
18 Jan 24
A transport refrigeration system includes a compressor, condenser and evaporator; an inverter providing a multiphase, AC output voltage to the compressor; and a DC power system having an output coupled to the inverter, the DC power system including: a primary power source; a DC-AC converter connected to the primary power source; a transformer connected to the DC-AC converter; an AC-DC converter connected to the transformer, the AC-DC converter outputting a primary DC voltage; a secondary power source; and a DC-DC converter connected to the secondary power source, the DC-DC converter outputting a secondary DC voltage; a combination of the primary DC voltage and the secondary DC voltage provides the output of the DC power system.
Ismail Agirman
Filed: 6 Jul 23
Utility
Portable Cooling Kit for Last Mile Cooling
18 Jan 24
A portable cooling system for cooling a compartment containing perishable items includes a fluid source including a cryogenic fluid and a heat exchanger assembly.
Srinivasa Reddy Pilli
Filed: 11 Jul 23
Utility
Fuel Cell Architecture for Transport Refrigeration Unit
18 Jan 24
A transport refrigeration system includes a tractor, a container connected to the tractor, a refrigeration unit for conditioning a compartment of the container, a first power system associated with the cargo container and operably coupled to the refrigeration unit, and a second power system associated with the tractor.
Stella Maris Oggianu, Mark Makwinski, Bart Antonie van Hassel
Filed: 11 Jul 23
Utility
Filter Supporting Assembly and Air Conditioning System
18 Jan 24
A filter screen supporting assembly comprises: a substrate and a support plate, wherein the first side of the support plate is pivotally connected to the substrate, and the second side of the support plate is detachably connected to the substrate, so that the support plate fills at least a part of the slot of the substrate to support the filter screen; wherein, the substrate and/or the support plate are provided with additional supporting piece, such that after a connection between the second side of the support plate and the substrate is removed when the filter screen is replaced, the support plate is supported by the additional supporting piece so that the support plate retains its support for the filter screen, and after the support from the additional supporting piece is removed, the support plate pivots to allow the filter screen to pass through the slot.
Wenxiao Zhang
Filed: 16 May 23
Utility
Humidifier with Integrated Water Hardness Measuring Device for Humidifier Pad Prognosis
18 Jan 24
A method of monitoring heating, ventilation and air conditioning (HVAC) equipment is provided.
Lok Sudhir Katikala, Subhasish Nayak
Filed: 12 Jul 23
Utility
Distributed Smart Thermostat
18 Jan 24
In embodiments of the disclosure, a distributed thermostat includes a controller unit that houses a controller operable to control operation of a heating, ventilation, and air conditioning (HVAC) system.
David Mannfeld
Filed: 11 Jul 23
Utility
Audio-based Occupancy Detection
18 Jan 24
In embodiments of the disclosure, an occupancy detector includes a processor operable to perform processor operations that include receiving audio signals from a plurality of sources; performing analysis on the audio signals; and, based at least in part on a result of the analysis performed on the audio signals, making a determination of the audio signals that resulted from an action of a person located within an indoor area-under-evaluation.
David Mannfeld
Filed: 11 Jul 23
Utility
Double inlet backward curved blower
16 Jan 24
A method of assembling a fan wheel includes forming a first wheel portion including a first plurality of impeller blades and a first connector, forming a second wheel portion including a second plurality of impeller blades and a second connector, affixing an end of each of the first plurality of impeller blades to a first surface of a support ring such that the first connector is affixed to the second connector, and affixing an end of each of the second plurality of impeller blades to a second surface of a support ring.
Mark Patrick Rau, Mehmet N. Sarimurat, Ryan K. Dygert
Filed: 21 Jun 21
Utility
Integral air conditioner
16 Jan 24
An integral air conditioner is provided.
Jingwen Deng, Jingqiang Jiang, Gang Liu
Filed: 4 May 22
Utility
HVAC system discomfort index and display
16 Jan 24
A system and method for controlling a heating, ventilation, and air-conditioning (HVAC) system is provided.
Daniel J. Dempsey, Xinyu Wu
Filed: 27 Jan 20
Utility
Dehumidifier with extendable body
16 Jan 24
A dehumidifier includes a machine body having a dehumidification function and a water tank including a receiving cavity.
Zhigang Xing, Weiming Li
Filed: 13 Apr 20
Utility
Electrocaloric heat transfer system
16 Jan 24
A method of making an electrocaloric article is disclosed.
Scott Alan Eastman, Wayde R. Schmidt, Slade R. Culp, Wei Xie, Sameh Dardona, Subramanyaravi Annapragada, Joseph V. Mantese, Craig R. Walker
Filed: 22 Aug 19
Utility
Thermostatic expansion valves and methods of control
16 Jan 24
A method of operating a refrigeration system is provided.
Douglas Auyer, Gilbert B. Hofsdal, William C. Silliman, Raymond L. Senf, Jr.
Filed: 27 Jun 22
Utility
Fire system with current response calibration
16 Jan 24
A fire system for a building is provided, the fire system including a fire panel for monitoring the building and activating an alarm; and a plurality of remote units electrically connected to the fire panel in a circuit having a loop configuration.
Jordi Escofet Via, Andres Cordoba Galera, Santiago Vilarrubla Canals, Ramon de la Torre
Filed: 4 Apr 22
Utility
Integrate body cameras with hotel key box
16 Jan 24
Provided are techniques for integrating a body camera with a locking mechanism.
Anitha Swapna Erusalagandi, George Sridhar Bandhanadham
Filed: 30 Oct 19
Utility
Restauarnt Supression System with Phased Agent Delivery
11 Jan 24
A fire suppression system is disclosed.
Richard Lawrence Lupien
Filed: 21 Jun 23
Utility
Brazing Probe
11 Jan 24
A brazing apparatus to join a first component and a second component includes a heating element configured to melt a ring located at a joint between the first component and the second component, and a probe configured to contact the ring.
Gustavo Torres
Filed: 30 Jun 23
Utility
Voltage Discharge In Refrigeration System
11 Jan 24
A refrigeration transport system including a power source providing a power flow to a demand component, wherein the demand component is operatively coupled to a capacitor; and a controller configured to actively discharge the capacitor when the power flow is interrupted.
Milad Pashapour Nikou, Raymond Senf
Filed: 3 Jul 23
Utility
Multi-compartment Transport Refrigeration System
11 Jan 24
A multi-compartment transport refrigeration system includes a cooling circuit and a hot gas flow path.
Mary Saroka, Travis Corley, Chad Kosakowski
Filed: 3 Jul 23