Patents by Inventor Bryan Robert Siewert
Bryan Robert Siewert has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 11001477Abstract: An elevator system includes an elevator car constructed and arranged to travel in a hoistway. A linear propulsion system of the elevator system is configured to impart a force upon the elevator car to control movement of the car. The linear propulsion system includes a secondary portion mounted to the elevator car and having a plurality of magnets. A first primary portion of the linear propulsion system includes a mounting assembly, a plurality of coils engaged to the mounting assembly, and a first cooling device including at least one conduit projecting outward from the mounting assembly and into the hoistway for transferring heat.Type: GrantFiled: August 5, 2016Date of Patent: May 11, 2021Assignee: OTIS ELEVATOR COMPANYInventors: Ram Ranjan, Enrico Manes, Bryan Robert Siewert, Zbigniew Piech
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Patent number: 10865071Abstract: A method and system for managing an elevator system (10), includes providing a plurality of elevator cars (14) to travel in a hoistway (11), and selectively introducing and removing at least one of the plurality of elevator cars (14) to and from the hoistway (11) via a loading station (50).Type: GrantFiled: December 17, 2015Date of Patent: December 15, 2020Assignee: OTIS ELEVATOR COMPANYInventors: Randall Keith Roberts, Zbigniew Piech, Adam Marian Myszkowski, Cezary Jedryczka, Wojciech Szelag, Tadeusz Witczak, Enrico Manes, Richard N. Fargo, Bryan Robert Siewert
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Patent number: 10189679Abstract: A ropeless elevator system includes a vertically extending first lane, a vertically extending second lane, and a transfer station extending between and in communication with the first and second lanes. An elevator car is disposed in and is constructed and arranged to move through the transfer station and the first and second lanes. A propulsion system of the elevator system propels the elevator car through at least the first and second lanes and carries a supplemental DC energy storage device for providing supplemental energy to the elevator car during normal operation. A wireless power transfer system of the elevator system is configured to periodically charge the DC energy storage device.Type: GrantFiled: August 24, 2016Date of Patent: January 29, 2019Assignee: OTIS ELEVATOR COMPANYInventors: Tadeusz Pawel Witczak, Wojciech Szelag, Cezary Jedryczka, Bryan Robert Siewert, Zbigniew Piech
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Publication number: 20180215587Abstract: An elevator system includes an elevator car constructed and arranged to travel in a hoistway. A linear propulsion system of the elevator system is configured to impart a force upon the elevator car to control movement of the car. The linear propulsion system includes a secondary portion mounted to the elevator car and having a plurality of magnets. A first primary portion of the linear propulsion system includes a mounting assembly, a plurality of coils engaged to the mounting assembly, and a first cooling device including at least one conduit projecting outward from the mounting assembly and into the hoistway for transferring heat.Type: ApplicationFiled: August 5, 2016Publication date: August 2, 2018Inventors: Ram Ranjan, Enrico Manes, Bryan Robert Siewert, Zbigniew Piech
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Patent number: 9907986Abstract: An exemplary fire suppression system includes a sprinkler nozzle. At least one conduit is connected to the nozzle for delivering a fire suppression fluid to the nozzle. The conduit and the nozzle establish a discharge path. A pneumatically driven pump is connected with the conduit for pumping fluid into the conduit. A gas source provides pressurized gas to the pump for driving the pump. The gas source also provides gas to the discharge path for achieving a desired discharge of the fluid from the nozzle.Type: GrantFiled: December 30, 2010Date of Patent: March 6, 2018Assignee: UTC Fire & Security CorporationInventors: Bryan Robert Siewert, Ulf J. Jonsson, Mike Lindsay
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Publication number: 20180044138Abstract: A method and system for managing an elevator system (10), includes providing a plurality of elevator cars (14) to travel in a hoistway (11), and selectively introducing and removing at least one of the plurality of elevator cars (14) to and from the hoistway (11) via a loading station (50).Type: ApplicationFiled: December 17, 2015Publication date: February 15, 2018Inventors: Randall Keith Roberts, Zbigniew Piech, Adam Marian Myszkowski, Cezary Jedryczka, Wojciech Szelag, Tadeusz Witczak, Enrico Manes, Richard N. Fargo, Bryan Robert Siewert
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Patent number: 9849318Abstract: An exemplary fire suppression system includes a sprinkler nozzle. At least one conduit is connected to the nozzle for delivering a fire suppression fluid to the nozzle. The conduit and the nozzle establish a discharge path. A pneumatically driven pump is connected with the conduit for pumping fluid into the conduit. A gas source provides pressurized gas to the pump for driving the pump. The gas source also provides gas to the discharge path for achieving a desired discharge of the fluid from the nozzle. A controller selectively controls at least one of (i) the gas provided to the pump, which controls the fluid pressure in the conduit, or (ii) the gas provided to the nozzle or the conduit, which controls the gas pressure delivered to the nozzle.Type: GrantFiled: December 30, 2010Date of Patent: December 26, 2017Assignee: UTC FIRE & SECURITY CORPORATIONInventors: Bryan Robert Siewert, May L. Corn, Jeffrey M. Cohen, Michael R. Carey, Mike Lindsay
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Patent number: 9849321Abstract: A fire suppression sprinkler assembly coupled to a mounting surface includes a sprinkler having a heat responsive element arranged adjacent a first end. A cover plate is positioned adjacent the heat responsive element and includes a thermally conductive cover layer. A reflective shield has a reflective interior surface. The reflective shield is positioned substantially opposite the cover plate adjacent the first end of the sprinkler such that heat reflects from the top plate towards the heat responsive element.Type: GrantFiled: September 24, 2013Date of Patent: December 26, 2017Assignee: MARIOFF CORPORATION OYInventors: Arto Huotari, Bryan Robert Siewert, Timothy Galante, Michael Kenneth Krager, Enrico Manes, Brian J. Stumm
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Publication number: 20170362061Abstract: A transfer station (40) for a ropeless elevator system includes a plurality of lanes (13) configured to accommodate vertical travel of an elevator car (14) therein. Also included is a parking area (42) located adjacent at least one of the plurality of lanes (13). Further included is a carriage (46) moveable between the plurality of lanes (13) and the parking area (42), the carriage (46) configured to support and move the elevator car (14) in a horizontal direction. Yet further included is a car (14) disengagement mechanism (50) engageable with the elevator car (14) for disengagement of the elevator car (14) from a primary propulsion mechanism of the car (14) within the plurality of lanes (13) and for movement of the elevator car (14) between at least one of the plurality of lanes (13) and the parking area (42).Type: ApplicationFiled: December 29, 2015Publication date: December 21, 2017Inventors: Tadeusz Witczak, Bryan Robert Siewert, Cezary Jedryczka, Adam Martin Myszkowski, Wojciech Szelag, Enrico Manes, Zbigniew Piech
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Publication number: 20170057789Abstract: A ropeless elevator system includes a vertically extending first lane, a vertically extending second lane, and a transfer station extending between and in communication with the first and second lanes. An elevator car is disposed in and is constructed and arranged to move through the transfer station and the first and second lanes. A propulsion system of the elevator system propels the elevator car through at least the first and second lanes and carries a supplemental DC energy storage device for providing supplemental energy to the elevator car during normal operation. A wireless power transfer system of the elevator system is configured to periodically charge the DC energy storage device.Type: ApplicationFiled: August 24, 2016Publication date: March 2, 2017Inventors: Tadeusz Pawel Witczak, Wojciech Szelag, Cezary Jedryczka, Bryan Robert Siewert, Zbigniew Piech
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Publication number: 20150308589Abstract: An exemplary flexible conduit (26) for use in a fire suppression system (20) includes a core layer (30) that establishes interior surface (32) of the flexible conduit that is configured to contact fire suppression fluid. A jacket layer (36) surrounds the core layer. The jacket layer establishes an exterior surface (38) of the flexible conduit. A reinforcing layer (34) is situated between the interior surface and the exterior surface.Type: ApplicationFiled: October 15, 2013Publication date: October 29, 2015Applicant: UTC FIRE & SECURITY AMERICAS CORPORATION, INC.Inventors: Michael Kenneth KRAGER, Bryan Robert SIEWERT, Michael R. CAREY, Enrico MANES, Richard J. PAHOLSKY, Patrick PACKARD
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Publication number: 20150297929Abstract: A fire suppression sprinkler assembly coupled to a mounting surface includes a sprinkler having a heat responsive element arranged adjacent a first end. A cover plate is positioned adjacent the heat responsive element and includes a thermally conductive cover layer. A reflective shield has a reflective interior surface. The reflective shield is positioned substantially opposite the cover plate adjacent the first end of the sprinkler such that heat reflects from the top plate towards the heat responsive element.Type: ApplicationFiled: September 24, 2013Publication date: October 22, 2015Inventors: Arto Huotari, Bryan Robert Siewert, Timothy Galante, Michael Kenneth Krager, Enrico Manes, Brian J. Stumm
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Publication number: 20140138102Abstract: An exemplary fire suppression system includes a nozzle body configured to carry a fire suppressing fluid to be discharged from a first orifice array and a second orifice array. Gas bubbles can be introduced through a bubbler into the fire suppressing fluid to establish a bubbly mixture in the nozzle. Each first orifice in the first orifice array has a first flow property and is configured to receive the bubbly mixture and through effervescent atomization yield a first fire suppression mist from the first orifice array. Each second orifice in the second orifice array has a second different flow property and is configured to receive the bubbly mixture and through effervescent atomization yield a second fire suppression mist from the second orifice array. The first fire suppression mist and the second fire suppression mist are configured to provide a selected fire suppression nozzle discharge.Type: ApplicationFiled: June 22, 2011Publication date: May 22, 2014Inventors: May L. Corn, Michael R. Carey, Jeffrey M. Cohen, Bryan Robert Siewert, Thierry Carriere, Joshua A. Sheffel
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Patent number: 8678140Abstract: An elevator door assembly (20) includes an electromagnet (30) use as part of a door coupler for coupling elevator car doors (24) to elevator hoistway doors (26). A disclosed example includes an electromagnet core (40) with a gap (50) in one of four sides of the core. The gap (50) directs and concentrates magnetic flux of the electromagnet (30) to concentrate an attractive force for coupling the electromagnet (30) with a vane (32). Disclosed examples includes unique geometric and dimensional relationships to achieve a desired goodness factor.Type: GrantFiled: October 11, 2005Date of Patent: March 25, 2014Assignee: Otis Elevator CompanyInventors: Jacek F. Gieras, Sastry V. Vedula, Pei-Yuan Peng, Bryan Robert Siewert
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Publication number: 20130292143Abstract: An exemplary fire suppression system includes a sprinkler nozzle. At least one conduit is connected to the nozzle for delivering a fire suppression fluid to the nozzle. The conduit and the nozzle establish a discharge path. A pneumatically driven pump is connected with the conduit for pumping fluid into the conduit. A gas source provides pressurized gas to the pump for driving the pump. The gas source also provides gas to the discharge path for achieving a desired discharge of the fluid from the nozzle.Type: ApplicationFiled: December 30, 2010Publication date: November 7, 2013Applicant: UTC FIRE & SECURITY CORPORATIONInventors: Bryan Robert Siewert, Ulf J. Jonsson, Mike Lindsay
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Publication number: 20130264075Abstract: An exemplary fire suppression system includes a sprinkler nozzle. At least one conduit is connected to the nozzle for delivering a fire suppression fluid to the nozzle. The conduit and the nozzle establish a discharge path. A pneumatically driven pump is connected with the conduit for pumping fluid into the conduit. A gas source provides pressurized gas to the pump for driving the pump. The gas source also provides gas to the discharge path for achieving a desired discharge of the fluid from the nozzle. A controller selectively controls at least one of (i) the gas provided to the pump, which controls the fluid pressure in the conduit, or (ii) the gas provided to the nozzle or the conduit, which controls the gas pressure delivered to the nozzle.Type: ApplicationFiled: December 30, 2010Publication date: October 10, 2013Applicant: UTC FIRE & SECURITY CORPORATIONInventors: Bryan Robert Siewert, May L. Corn, Jeffrey M. Cohen, Michael R. Carey, Mike Lindsay
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Patent number: 7878306Abstract: An elevator system includes a cab supported for movement within a hoistway. A tension device, which remains close to one end of the hoistway, maintains a desired tension on a load bearing member that supports the cab and moves to achieve a desired placement of the cab. The load bearing member extends from a first end of the hoistway toward the cab, wraps around a first sheave supported on the cab, extends toward the first end of the hoistway, wraps around a second sheave supported near the first end of the hoistway, extends toward a second end of the hoistway, wraps about a third sheave supported near the second end of the hoistway, extends toward the cab, wraps around a fourth sheave supported on the cab, and extends toward the second end of the hoistway where it is secured to the tension device.Type: GrantFiled: May 25, 2007Date of Patent: February 1, 2011Assignee: Otis Elevator CompanyInventors: Bryan Robert Siewert, Mark S. Thompson, Richard L. Hollowell
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Patent number: 7823699Abstract: An electromagnetic door lock assembly (30) includes a first portion (32) supported relative to hoistway doors (22) and a second portion (34) supported for movement with an elevator car (24). The first and second portions cooperate so that electromagnetic interaction between them unlocks a set of hoistway doors (22) for access to the car (24), for example. In disclosed embodiments, a first portion (32) of the actuator has at least one stationary electromagnetic portion (36A, 36B) and at least one moveable portion (38). The second portion (34) that moves with the car (24) includes at least one stationary electromagnetic portion (44). Magnetic interaction between the first and second portions (32, 34) causes selected movement of the moveable portion (38) for selectively locking or unlocking the doors (22).Type: GrantFiled: July 6, 2004Date of Patent: November 2, 2010Assignee: Otis Elevator CompanyInventors: Jacek F. Gieras, Pei-Yuan Peng, Bryan Robert Siewert, Muhidin A. Lelic, Gary Copsey
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Elevator door lock sensor device including proximity sensor elements in a selected geometric pattern
Patent number: 7650970Abstract: An elevator door lock assembly (30) includes a sensor device (40) for providing an indication of a properly locked door. A plurality of proximity sensor elements (42, 44) interact with activating elements (52, 54) when the door lock assembly (30) is properly locked. In disclosed examples, a specific geometric pattern of the sensor elements (42, 44) and the activating elements (52, 54) provides redundancy and tampering protection. In a disclosed example, an output from the sensor device (40) provides an indication of a condition of the door lock and a building level location of a plurality of sensor devices.Type: GrantFiled: September 27, 2004Date of Patent: January 26, 2010Assignee: Otis Elevator CompanyInventors: Muhidin A. Lelic, Pei-Yuan Peng, Bryan Robert Siewert, Jacek F. Gieras, Michael Tracey, Thomas Malone -
Publication number: 20080271959Abstract: An electromagnetic door lock assembly (30) includes a first portion (32) supported relative to hoistway doors (22) and a second portion (34) supported for movement with an elevator car (24). The first and second portions cooperate so that electromagnetic interaction between them unlocks a set of hoistway doors (22) for access to the car (24), for example. In disclosed embodiments, a first portion (32) of the actuator has at least one stationary electromagnetic portion (36A, 36B) and at least one moveable portion (38). The second portion (34) that moves with the car (24) includes at least one stationary electromagnetic portion (44). Magnetic interaction between the first and second portions (32, 34) causes selected movement of the moveable portion (38) for selectively locking or unlocking the doors (22).Type: ApplicationFiled: July 6, 2004Publication date: November 6, 2008Inventors: Jacek F. Gieras, Pei-Yuan Peng, Bryan Robert Siewert, Muhidin A. Lelic, Gary Copsey