60 patents
Page 2 of 3
Utility
Using Access Control Devices to Send Event Notifications and to Detect User Presence
1 Jan 20
A method of using access control devices to send event notifications and to detect user presence includes receiving a notification of an event.
Ramesh Lingala, Venkata Narasimha Rao Chavala, Santhosh Amuduri, Hrishi Eathakota, Don Patric Lobo
Filed: 19 Jun 19
Utility
Dongle for a Building Management System and Method of Operating
1 Jan 20
A method of using a dongle connects the dongle to a USB port of a building equipment system.
Gaurav Pramod Holey
Filed: 5 Feb 18
Utility
Managing Access Control Permission Groups
25 Dec 19
A method of managing access control permissions groups.
Tarik Hadzic, Gavranovic Haris, Blanca Florentino, John Marchioli, Philip J. Harris, Menouer Boubekeur, Ankit Tiwari, Ed Gauthier
Filed: 20 Feb 18
Utility
Compact Encoding of Static Permissions for Real-time Access Control
25 Dec 19
A physical access control system (PACS) for protecting a resource The PACS including a credential including information regarding a user stored thereon, the credential presented to request access to a resource protected by an access point, a reader in operative communication with the credential and configured to read the user information from the credential, wherein the user information includes at least one attribute, and a controller executing a set of access control rules, the rules based on policies extracted from a database of static permissions for the user, the policies defining requirements for permitting access of the user to the resource based on the at least one attribute, the controller configured to permit access to the resource.
Tarik Hadzik, Guoda Kaminske, Blanca Florentino, Menouer Boubekeur, Ankit Tiwari, Ed Gauthier
Filed: 20 Feb 18
Utility
Method of Controling Paralleled Passive Front-end Rectifiers with and without Inter-leaving
25 Dec 19
Embodiments herein relate to a method of controlling a three-phase paralleled passive front-end drive connectable to a three phase alternating current power source.
Ismail Agirman
Filed: 25 Jan 18
Utility
Hand-held Radar
25 Dec 19
A hand-held device for detecting an object is provided.
Christopher Coy Fuller
Filed: 29 Nov 17
Utility
Access Control System with Dynamic Performance Tuning
18 Dec 19
A method of dynamically changing a mode of advertising for at least one of a multiple of access controls, including transmitting advertisements from an access control at a nominal mode; and changing the nominal mode in response to an event.
Michael Lang, Adam Purdue, Adam Kuenzi
Filed: 11 Feb 18
Utility
Locking Module
18 Dec 19
A locking module for selectively coupling a first component and a second component of a lockable device includes a locking member rotatable about an axis between a rest position and an actuated position.
Wayne Floyd Larson
Filed: 27 Feb 18
Utility
Access Control System with Dynamic Performance Tuning
18 Dec 19
A method of dynamically changing a mode of advertising for at least one of a multiple of access controls, including transmitting advertisements from an access control at a nominal mode; and changing the nominal mode in response to a pre-set schedule.
Adam Kuenzi, Michael Lang, Adam Purdue
Filed: 18 Feb 18
Utility
Paralleled Passive Front-end Rectifiers with and without Interleaving
11 Dec 19
Embodiments herein relate to a three-phase paralleled passive front-end drive, that includes a rectifier bridge, a coupling reactance operably connected to the rectifier bridge and configured to transfer power from the rectifier to a first direct current (DC) bus, and a bus coupler operably coupling the first DC bus to a second DC bus.
Ismail Agirman
Filed: 25 Jan 18
Utility
Building Management System Having Event Reporting
11 Dec 19
A building management system includes a building system interface (24) configured to access a building system (20); an event service module (26) configured to access event data in the building system through the building system interface (24); a knowledge base (12) providing a model of the building system, the model including semantic descriptions of the event data, the semantic descriptions of the event data being arranged in an ontology; a semantic service module (30) in communication with the knowledge base (12); and a user interface (14) in communication with the semantic service module (30) and the event service module (26), the user interface (14) generating a user request to create an event filter having a filter criterion and report event data matching the filter criterion.
Fabrizio Smith, Daniele Alessandrelli, Christos Sofronis, Alberto Ferrari, Jason Higley, Bhabani Sankar Nanda
Filed: 20 Nov 17
Utility
System and Method for Operating a Hvac System by Determining Occupied State of a Structure Via Ip Address
4 Dec 19
A system and method for operating an HVAC system based on the occupancy of a structure, wherein occupancy of the structure is determined by a remote occupancy identifier, the occupancy identifier configured to determine the occupancy of the structure by detecting if a user device is connected to a network within the structure, the occupancy identifier further configured to change at least one operational parameter setting of the HVAC controller depending on whether the structure is currently occupied or not.
Brent Kumfer
Filed: 7 Sep 17
Utility
Dehumidification Control at Part Load
4 Dec 19
A heating, ventilation and air-conditioning (HVAC) system is provided.
Mani Ram
Filed: 22 Apr 19
Utility
Four-way Valve
4 Dec 19
A heating and cooling system includes a compressor having a discharge outlet and a suction inlet; a first heat exchanger; a second heat exchanger; a four-way valve including: a body including a first port connected to the discharge outlet, a second port connected to the first heat exchanger, a third port connected to the suction inlet and a fourth port connected to the second heat exchanger; a slider positioned in the body; and an actuator assembly configured to impart linear motion to the slider; and a controller configured to send a command to the actuator assembly to move the slider to one of a first position, a second position or a third position.
Sathish R. Das, Charles A. Cluff
Filed: 3 Jun 19
Utility
Fire Type Detection and Notification
4 Dec 19
According to an aspect, a method of fire type detection and notification includes receiving a plurality of sensor data from a plurality of sensors operable to detect one or more fire conditions.
Prasad Babu Lakshmipathy, Sowmya Paturu, Saurabh Kumar Sinha, Sreeramya Soratkal, Jignesh Soneji
Filed: 20 May 19
Utility
Integrated Compressed Gas Transport Refrigeration Unit for Compressed Gas Fueled Vehicles
27 Nov 19
A transport refrigeration system comprises a vehicle having a refrigerated cargo space; a compressed gas tank configured to store gas; an engine configured to power the vehicle through combustion of the gas; and a pressure reducing mechanism fluidly connecting the compressed gas tank and the engine.
Ciara POOLMAN, Robert A. CHOPKO
Filed: 1 May 17
Utility
FURNACE WITH PREMIX ULTRA-LOW NOx (ULN) BURNER
27 Nov 19
Disclosed is an induced-draft gas-fired furnace that includes: an electronic furnace controller, a burner assembly, a gas valve, and an inducer motor, wherein the controller: accelerates the inducer motor at a first pre-ignition rate to a first pre-ignition speed; controls the gas valve to supply gas to the burner assembly to obtain a first pre-ignition ratio of fuel to air, operates an igniter to attempt to ignite the first fuel mixture, determines whether fuel has ignited in the burner assembly, wherein when fuel having the first pre-ignition ratio of fuel to air remains unignited after a plurality of ignition attempts, the controller: decelerates the inducer motor to a second pre-ignition rate to obtain a second pre-ignition speed and a second fuel mixture comprising a second pre-ignition ratio of fuel to air, and determines whether the second fuel mixture has ignited in the burner assembly.
Fahad Anwar
Filed: 22 May 19
Utility
Biometric Air Conditioning Control System
27 Nov 19
A biometric air conditioning control system includes a local electronic device, an ambient air parameter sensor, a mobile device, a storage medium, and a processor.
Ankit Tiwari, Blanca Florentino Liano, Piyush Agrawal
Filed: 23 May 19
Utility
System and Method for Hvac System Schedule Generation Based on User Defined Comfort Level Inputs
27 Nov 19
A system and method for generating a schedule for a heating, ventilation, and air-conditioning (HVAC) system based on user-defined comfort level inputs.
Catherine Sheppick, Ashley Magner, Jing Li
Filed: 24 Jan 18
Utility
Refrigerant Transfer Control In Multi Mode Air Conditioner with Hot Water Generator
27 Nov 19
A method for controlling an operating discharge pressure in a multi-purpose HVAC system including an outdoor unit, and an indoor unit, the HVAC system including a plurality of flow control valves configured to isolate a the indoor unit from the multi-purpose HVAC system, a compressor and a controller, operably coupled to a water heater module, the water heater module including at least one valve, the controller executing a method including operating the multi-purpose HVAC system in a water heating mode, monitoring the operating discharge pressure from the compressor; and generating a signal commanding at least one of the plurality of control valves to isolate the indoor unit from the outdoor unit and water heating module and direct high pressure refrigerant to the indoor unit when the operating discharge pressure is greater than or equal to a predetermined pressure value.
Rishabh Dixit
Filed: 17 Jul 18