Carrier Corporation

Kidde-fenwal, Inc.

Goodrich Corporation

Walter Kidde Portable Equipment, Inc.

Kidde Fire Protection Limited

United Technologies Corporation

Otis Elevator Company

Raytheon Technologies Corporation

Utc Fire and Security Corporation

Marcin Piech

Michael J Birnkrant

Peter R Harris

Sameh Dardona

Wayde R Schmidt

David L Lincoln

Joseph V Mantese

Tadeusz Pawel Witczak

Michael T Gorski

Jose L Santana

Rhonda R Willigan

May L Corn

Paul Sheedy

Ziyou Xiong

Antonio M Vincitore

Slade R Culp

Beata I Wawrzyniak

Stella M Oggianu

Cezary Jedryczka

Arthur Blanc

Jose-Rodrigo Castillo-Garza

Joseph Anthony Vidulich

Mohammed Ateeq

Devis Dishnica

Hector Ortiz Valencia

Lukasz Majchrzak

Kyle Aaron

Rick Wolf

Abhay Nadgir

Dawid Milcarek

Joseph William Ciol

Daryl J Marvin

Zbigniew Piech

Lei Chen

Richard G Lord

Craig Drew Bogli

Catherine Thibaud

Timothy N Obee

Max D Allsworth

Michael J Giering

Lesia V Protsailo

Urcan Guler

Kishore K Reddy

Wojciech Szelag

Thomas D Kasprow

Thomas Carl Kjellman

Srinivasa Reddy Pilli

Vinay Kumar Vinnakota

Prasad Babu Lakshmipathy

Cagatay Tokgoz

Vivek Venugopalan

Ray-Sing Lin

Sotiri T Hovardas

Jacquelynn K M Garofano

Richard J Paholsky

Daniel Anthony Grande

Changmin Cao

Rafal Wojciechowski

Peter J Mckinney

Rajiv Ranjan

Callum P Bailey

Sarath Chandra Srikakulapu

Anup Kumar

Hari Keerthana Akumalla

Michael John Birnkrant

Rhonda J Willigan

Jacquelynn Garofano

A multi-sense platform is provided and includes a first sensor, a second sensor and a controller disposed in signal communication with the first sensor and the second sensor. The controller is configured to determine a presence of a first type of gas based on readings of the first sensor and to distinguish between a first one of the first type of gas and a second one of the first type of gas based on readings of the second sensor.

Multi-sense platform for IAQ hazard classification

A heating, ventilation, and air conditioning (HVAC) system includes a closed loop refrigeration circuit including a heat exchanger assembly, a detection assembly operable to detect refrigerant from the closed loop refrigeration circuit mixed with air, a mitigation device operable to monitor at least one parameter associated with operation of the detection assembly and a controller operable to determine if an alarm generated by the detection assembly is a false alarm in response to the at least one parameter monitored by the mitigation device.

Frost remidiation and frost sensor

A detection assembly operable to detect a refrigerant leak event includes a sensor network and a controller. The sensor network is operable to generate sensor outputs including triggering-sensor (TS) outputs and triggering-sensor context (TSC) outputs. The controller is operable to perform a sensor-reading context analysis on the sensor outputs. The sensor-reading context analysis includes accessing a set of the sensor outputs that occurred within a context time window, along with determining that a pattern of the set of sensor outputs represents the refrigerant leak event.

Refrigerant leak detection using a sensor-reading context analysis

An optical monitoring device includes a housing including a plurality of walls and an interior space disposed therebetween, an opening disposed in a wall of the plurality of walls, and a movable panel, the opening forms a window through the wall, and the movable panel is configured to be moved to access the interior space; a lamp assembly disposed within the interior space and positioned to project light at the window; a camera including an image receiving lens, the camera positioned within the interior space with the image receiving lens is in optical communication with the window; a memory storage device for storing image data; and a controller in electrical communication with the camera and the memory storage device, wherein the controller is configured to compare instant image data from the camera to image data stored on the memory storage device.

Optical monitoring device for use in heating, ventilation, air conditioning and refrigeration system for moisture level

A fire suppression system has a plurality of tank units () each having: a tank body having a first port and an interior for storing at least one of fire suppressant and driver gas; a discharge assembly mounted to the first port and comprising: a discharge valve (); and a first monitoring switch or sensor (). A first monitoring unit () is coupled to the first monitoring switch or sensor of each said tank unit and configured to communicate with a remote monitoring location. For each of the tank units there is: a second monitoring switch or sensor (); and a second monitoring unit () coupled to said second monitoring switch or sensor and configured to communicate with the remote monitoring location.

Fire suppression system remote monitoring

A detector assembly for a duct of a heating ventilation and air conditioning system includes an outer housing having at least one through hole formed therein, an inner sampling support receivable within a hollow interior of the outer housing, and at least one detector mounted to the inner sampling support. The at least one detector is axially aligned with the at least one through hole when the inner sampling support is installed within the hollow interior of the outer housing. The at least one detector is operable to sample air within the duct to detect a hazardous condition.

Chamberless wide area duct smoke detector

A fire suppression system has a tank unit (). A tank body has a first port and an interior for storing at least one of fire suppressant and driver gas. A discharge assembly is mounted to the first port and has a discharge valve () and a first monitoring switch or sensor () having a normally closed output () and a normally open output (). A first monitoring system () is coupled to one of the normally closed output and the normally open output. A second monitoring system () is coupled to the other of the normally closed output and the normally open output.

A photoacoustic detection system includes a detector that has a chamber, a pulsed light source, piezoelectric tuning forks, and a photosensor. The chamber has an inlet and an outlet for flow of an analyte. The pulsed light source is adjacent the chamber and is operable to emit a light beam along a path through the chamber. The tuning forks are arranged along the path, and each of the tuning forks is operable to emit first sensor signals. The photosensor is arranged along the path and is operable to emit second sensor signals. A controller is connected to receive the first and second sensor signals. The controller is configured to determine whether a target species is present in the analyte based on the first sensor signals and determine whether the target species is present in the analyte based on the second sensor signals.

Photoacoustic detection system with differential amplifier for determing target species presence and triggering fault

A method of indicating the presence of a target gas in a gas volume comprising providing a gas sensing core, configured for detection of the target gas, and a condition sensor within the gas volume, providing a controller, allowing gas to fluidly interact with the gas sensing core, monitoring a target gas measurement output from the gas sensing core, monitoring a parameter output from the condition sensor, recording a parameter output minimum value, calculating a parameter difference, calculating a rate of change of the parameter with respect to time, and indicating the presence of a target gas is detected in the gas volume when the target gas measurement exceeds a target gas measurement threshold value and the parameter difference is less than a parameter difference threshold value.

Methods of reducing the occurance of false positives in gas detectors

A fire suppressant module according to one example includes a suppressant tank having a body and a base, a counterweight scale disposed in the base, and a data module comprising at least one of a display configured to display a weight of the suppressant tank and processor and a transmitter configured to communicate the weight of the suppressant tank.

Self reporting fire suppressant tank configuration

An integrated fire suppression system includes a plurality of fire detection systems. Each of the fire detection systems is individually addressable. A control system is communicatively coupled to each of the fire detection systems. A plurality of building systems is communicatively connected to the control system. The plurality of building systems includes at least one of a fire suppression system, an alarm system, a heating ventilation and cooling (HVAC) system, a building power supply system, and a building security system. The control system is configured to provide a localized response to a fire detection by at least one fire detection system in the plurality of fire detection systems, the localized response being a response in at least one of the plurality of building systems.

System and method for fire suppression by coupling fire detection with building systems

A refrigerant detection assembly operable to detect refrigerant mixed with air includes a housing having an internal cavity fluidly connected with an ambient atmosphere surrounding the housing via an opening. A subassembly mounted within the internal cavity includes an air chamber fluidly connected with the internal cavity, a non-dispersive infrared sensor operably coupled to the air chamber, a printed circuit board, and a heat conduction plate mechanically and thermally coupled to the printed circuit board. At least one insulator is arranged within the internal cavity at a position between a portion of the subassembly and the housing. A shell is connectable to the housing in overlapping arrangement with the opening. The shell has at least one shell opening formed therein such that a flow path extends from the shell opening, through the opening formed in the housing to the internal cavity, and into the air chamber.

Environmental enclosure for a transport gas sensor

In a system for measuring a fire suppressant or fire suppression propellant quantity, the system comprising: a base (); a top plate () positioned to support a tank () of said fire suppressant or fire suppression propellant; a plurality of springs () positioned between the top plate and the base to support the top plate atop the base, the plurality of springs positioned to support the top plate along a range of motion between an extended condition and a retracted condition; a first magnetic member () mounted to the base; a second magnetic member () mounted to the top plate so that a spacing between the first magnetic member and the second magnetic member decreases as the top plate moves from the extended condition to the retracted condition. At least one of the first magnetic member and the second magnetic member is a permanent magnet. A magnetic field sensor () is positioned to detect changes in a magnetic field associated with changes in said spacing.

Suppression tank scale and level determination

A fire suppressant storage device () comprises: a tank () having a first port (), a second port (), and an interior () for storing fire suppressant. A discharge assembly () is mounted to the first port and comprises: a discharge valve (); and a discharge conduit (). The discharge conduit is at least partially within the interior and has an interior and an exterior. A liquid level measurement assembly is mounted to the second port and comprises: a tube () at least partially within the interior and having: an exterior and an interior sealed relative to the surrounding tank interior. A float () surrounds the tube and has one or more magnets () and having a range of motion. A plurality of magnetic field sensors () are along a carrier () within the tube interior. The carrier extends from a proximal end to a distal end. The plurality of magnetic field sensors () comprise: a first plurality of one-dimensional sensors (); and at least two three-dimensional sensors () distally of the first plurality.

Adaptable suppression tank level sensor

Refrigerant detection sensor housing

Growing community of inventors

East Hampton, CT, United States of America

Marcin Piech