38 patents
Utility
Multi-compartment transport refrigeration system with evaporator isolation valve
20 Jan 20
A multi-compartment transport refrigeration system includes a heat rejecting heat exchanger downstream of a compressor discharge port; a first evaporator expansion device downstream of the heat rejecting heat exchanger; a first evaporator having an first evaporator inlet coupled to the first evaporator expansion device and a first evaporator outlet coupled to the compressor inlet path, the first evaporator for cooling a first compartment; a second evaporator expansion device downstream of the heat rejecting heat exchanger; a second evaporator having a second evaporator inlet coupled to the second evaporator expansion device and a second evaporator outlet coupled to the compressor inlet path, the second evaporator for cooling a second compartment; and a first evaporator outlet isolation valve positioned in an outlet of the first evaporator, the first evaporator outlet isolation valve to prevent migration of refrigerant from the second evaporator outlet to the first evaporator outlet.
Raymond L. Senf, Jr., Donald B Hotaling
Filed: 19 Jun 14
Utility
Compressor bearing cooling via purge unit
20 Jan 20
A compressor (22) has a housing assembly (40) with a suction port (24), a discharge port (26), and a motor compartment (60).
Ulf J. Jonsson, Vishnu M. Sishtla, Zaffir A. Chaudhry
Filed: 14 Apr 14
Utility
Hospitality systems
20 Jan 20
A locking device for providing access to a structure includes a locking mechanism configured to selectively switch between a locked state and an unlocked state.
Michael Lang, Adam Purdue, Steve Switzer
Filed: 25 Jun 18
Utility
System and method for network node authentication
20 Jan 20
A method of commissioning a sensor includes using a system having a central control panel, a plurality of sensors, and a cloud server.
Kimmo Kyllonen
Filed: 18 Nov 15
Utility
Access control system with virtual card data
20 Jan 20
An access control system includes a mobile library on a mobile device operable to communicate with the credential service, the mobile library operable to receive the credential from the credential service and a credential module for an access control, the credential module operable to receive virtual card data from the credential, the virtual card data usable to operate the access control.
Adam Kuenzi, Jonah J. Harkema
Filed: 30 Nov 15
Utility
Inward fired ultra low NO
13 Jan 20
A collar configured to couple a burner to a partition plate is provided including a body having a diameter configured to couple to a diameter of the burner.
Robert Shaw, Duane D. Garloch, Nicholas Kamm
Filed: 6 Jul 16
Utility
Thermoelectric purge unit
13 Jan 20
A purge unit (100; 600) comprises a vessel (234; 606) having an inlet (152; 608), a return port (154; 610), a first path between the inlet and the return port, a purge port (156; 612), and a second path between the inlet and the purge port.
Zidu Ma
Filed: 15 Oct 15
Utility
Refrigerant lube system
6 Jan 20
In one embodiment, a compressor assembly is provided.
Vishnu M. Sishtla
Filed: 16 Mar 15
Utility
Building air conditioning control system and control method thereof
6 Jan 20
A building air conditioning control system for controlling the comfort degree of air in at least one floor area of the building, and includes: a first head counting module to acquire first head count change data of a floor area according to a weight change of a cabin of an elevator when passing the corresponding floor area; a second head counting module to acquire second head count change data of the floor area according to data acquired by an image sensor mounted in the corresponding floor area; and an air conditioning control module to correct head count change data based on the first head count change data and the second head count change data, and control the comfort degree of air in the floor area based on the corrected head count change data.
Jianwei Zhao, Qiang Li, Lijia Zhao, Sanming Wen, Jiahuan Zhou
Filed: 31 Aug 16
Utility
Calibration of hazard detection sensitivity based on occupancy in a control zone
6 Jan 20
Disclosed is an alarm device for detecting a hazard in a control zone, the alarm device having: a hazard sensor that comprises a configurable sensitivity level and a device controller that controls the sensitivity level of the hazard sensor, wherein the alarm device: receives over an electronic network a target sensitivity, and calibrates the hazard sensor to achieve the target sensitivity level.
Ramana Babu Kalagani, Eranna Kybarshi
Filed: 25 Sep 18
Utility
Method and system for managing performance indicators for addressing goals of enterprise facility operations management
6 Jan 20
The present disclosure discloses a method and a system for dynamically managing performance indicators for an enterprise to address goals for facility operations management.
Prabhu Raja Subbarayalu Venkitapathi, Jasmine Singh
Filed: 26 Feb 17
Utility
Refractory for heating system
30 Dec 19
A refractory panel for a heat exchanger is provided having a body including a first planar surface having a plurality of refractory openings formed therein.
Robert Shaw, Duane D. Garloch, Larry D. Rieke
Filed: 5 Apr 16
Utility
Gas detector utilizing an aqueous solution
30 Dec 19
A gas detection device including a vessel, wherein the vessel contains an aqueous solution, and a sensing element operably coupled to the vessel, wherein the sensing element is not in direct contact with the aqueous solution.
Michael L. Perry, Robert M. Darling
Filed: 14 Feb 17
Utility
Air management system for the outdoor unit of a residential air conditioner or heat pump
23 Dec 19
A fan assembly includes a fan housing having an inlet and an outlet.
Richie C. Stauter, Peter R. Bushnell
Filed: 6 Oct 16
Utility
Condensate drain pan port
23 Dec 19
An HVAC/R unit, a condensate drain pan port insert, and a condensate drain pan are provided.
Richard Long
Filed: 16 Jan 18
Utility
Multiport extruded heat exchanger
23 Dec 19
A heat exchanger is provided including a first manifold and a second manifold separated from the first manifold.
Luis Felipe Avila, Bruce J. Poplawski, Kazuo Saito
Filed: 31 Aug 15
Utility
Communication systems
23 Dec 19
A message communication system, such as a security system, having a distributed architecture includes a plurality of customer terminals, one or more proprietary routers, one or more automation systems, each customer terminal being associated with an associated at least one of the automation systems, wherein each customer terminal includes at least one communication address of at least one of the proprietary routers, the proprietary router including a routing table to forward the message to the associated automation system or a central station gateway linked to the automation system.
Ron Johan, Gabriel Daher, Daniel Ming On Wu
Filed: 17 Nov 15
Utility
Heat exchanger for air-cooled chiller
16 Dec 19
An air-cooled chiller system includes a heat exchanger including a first tube bank including at least a first and a second flattened tube segments extending longitudinally in spaced parallel relationship; a second tube bank including at least a first and a second flattened tube segments extending longitudinally in spaced parallel relationship, the second tube bank disposed behind the first tube bank with a leading edge of the second tube bank spaced from a trailing edge of the first tube bank; a fan creating an airflow across the first heat exchanger, the airflow flowing over the first tube bank prior to flowing over the second tube bank, wherein refrigerant flows in the heat exchanger in a cross-counterflow direction opposite that of the airflow direction.
Arindom Joardar, Michael F. Taras, Mel Woldesemayat, Jack Leon Esformes, Bruce J. Poplawski, Tobias H. Sienel, Jules Ricardo Munoz
Filed: 23 Feb 14
Utility
Vertical sliding solution of the condenser unit for trucks with refrigerated goods
16 Dec 19
A truck (10) is provided including an engine (12), a cabin, and a conditioned spaced (14) defined by a plurality of adjacent wall members including a front wall member (16).
Ronan Commault, David Vericel, Ludovic Lanuzel
Filed: 2 Feb 14
Utility
Refrigerated container and duct extension
9 Dec 19
A duct (100) comprises the molded combination of: an inlet flange (110) surrounding an inlet (102), the inlet having a height and a width; and body (112) extending from the inlet to an outlet (104) and having a body interior that laterally outwardly diverges and upwardly shifts from the inlet toward the outlet.
Shafi N. Khan, Peter R. Bushnell, Richie C. Stauter, Dale R. Fine
Filed: 10 Apr 14