Patents by Inventor Tadeusz Pawel Witczak

Tadeusz Pawel Witczak 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).

  • Publication number: 20210403279
    Abstract: An illustrative example embodiment of a device that facilitates installing at least one elevator door component, includes a detector that is configured to detect at least one reference feature in a vicinity of a desired position of the elevator door component. A processor is configured to use information from the detector to determine the desired position of the elevator door component relative to the at least one detected feature. An indicator is configured to provide at least one indication corresponding to the desired position of the elevator door component.
    Type: Application
    Filed: June 28, 2020
    Publication date: December 30, 2021
    Inventors: Joseph Crute, Tadeusz Pawel Witczak, Michael J. Tracey, James Chmiel
  • Publication number: 20210403284
    Abstract: Disclosed is a system for installing a sensor to a passenger conveyance system, wherein the sensor is configured for being positioned on the passenger conveyance system; and an on-board indicator or a mobile device is in communication with the sensor, configured for providing feedback indicative of whether the sensor is aligned to an axis within an alignment tolerance.
    Type: Application
    Filed: June 27, 2020
    Publication date: December 30, 2021
    Inventors: Tadeusz Pawel Witczak, Craig Bogli
  • Patent number: 11203510
    Abstract: A frictional damper for an elevator system includes one or more friction pads configured to move between a first position, and a second position defined by engagement of the one or more friction pads to the guide rail. An actuation unit urges the one or more friction pads into and out of engagement with the guide rail. The actuation unit includes a hydraulic actuator operably connected to the one or more friction pads to urge movement of the one or more friction pads into and out of engagement with the guide rail via hydraulic fluid pressure. The hydraulic actuator includes a hydraulic cylinder containing a volume of hydraulic fluid and a hydraulic piston located in the hydraulic cylinder and operably connected to the one or more friction pads. An electromagnetic actuator selectably urges hydraulic fluid to apply a force to the hydraulic piston, urging the movement of the friction pads.
    Type: Grant
    Filed: July 31, 2018
    Date of Patent: December 21, 2021
    Assignee: OTIS ELEVATOR COMPANY
    Inventors: Tadeusz Pawel Witczak, Cezary Jedryczka, Wojciech Szelag, Adam Marian Myszkowski
  • Publication number: 20210371239
    Abstract: Disclosed is an elevator system, including a gateway configured to: receive, from an elevator car controller of an elevator car, car controller data for the elevator car that includes a car positional log of the elevator car; receive, from a beacon mounted to the elevator car, car operational data for the elevator car that includes car and door data representing car and door events; and transmit, to one of an elevator management center and a cloud service, a combination of the car controller data and the car operational data to identify an alert condition and a position of the elevator car during the alert condition, wherein the gateway or the one of the elevator management center and the cloud service is configured to stitch together the car controller data and the car operational data to identify the alert condition and position of the elevator car during the alert condition.
    Type: Application
    Filed: May 26, 2020
    Publication date: December 2, 2021
    Inventors: Tadeusz Pawel Witczak, Craig Bogli, Nikola Trcka
  • Publication number: 20210364335
    Abstract: In a system for measuring a fire suppressant or fire suppression propellant quantity, the system comprising: a base (102); a top plate (106) positioned to support a tank (22) of said fire suppressant or fire suppression propellant; a plurality of springs (112) 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 (142) mounted to the base; a second magnetic member (140) 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 (160) is positioned to detect changes in a magnetic field associated with changes in said spacing.
    Type: Application
    Filed: September 30, 2019
    Publication date: November 25, 2021
    Applicant: Carrier Corporation
    Inventors: Marcin Piech, Tadeusz Pawel Witczak, Beata I. Wawrzyniak
  • Patent number: 11174128
    Abstract: Embodiments include a system and method for controlling doors in a multi-door system. Embodiments a controller configured to control the multi-door system, wherein the multi-door system includes a first door and a second door, wherein the first door is on a different side than the second door, and one or more sensors operably coupled to the multi-door system and the controller, wherein the one or more sensors are configured to detect one or more conditions. The controller includes a processor, wherein the processor is configured to receive an input from the one or more sensors, wherein the input comprises at least one of call information and crowd sensing information, responsive to the input, prioritize an operation of the first door and the second door based at least in part on the input, and operate the first door and second door based on the prioritization.
    Type: Grant
    Filed: July 31, 2018
    Date of Patent: November 16, 2021
    Assignee: OTIS ELEVATOR COMPANY
    Inventors: Arthur Hsu, Tadeusz Pawel Witczak
  • Publication number: 20210347602
    Abstract: An illustrative example embodiment of a device for communicating information regarding an elevator car that moves along a vertical path includes at least one sensing portion configured to be supported on the elevator car and to sense at least one characteristic of the elevator car. A transmitter is configured to transmit a wirelessly communicated output indicating at least one condition based on the sensed characteristic. The transmitter is configured to use a first transmit power when the device is at a first location along the vertical path and to use a second, different transmit power when the device is at a second, different location along the vertical path.
    Type: Application
    Filed: May 5, 2020
    Publication date: November 11, 2021
    Inventors: Tadeusz Pawel WITCZAK, Craig Drew BOGLI, Yrinee MICHAELIDIS
  • Patent number: 11153004
    Abstract: The method for data transfer in a conveyance system including: moving a conveyance apparatus and a mobile wireless access point attached to the conveyance apparatus to a location where the mobile wireless access point is within wireless range of a communication node; receiving data from the communication node when the mobile wireless access point is within wireless range of the communication node; and conveying the data to a local gateway device or a second mobile wireless access point attached to a second conveyance apparatus.
    Type: Grant
    Filed: June 21, 2018
    Date of Patent: October 19, 2021
    Assignee: OTIS ELEVATOR COMPANY
    Inventors: Stella M. Oggianu, Tadeusz Pawel Witczak, Craig Drew Bogli, Pawel Skiba
  • Patent number: 11146140
    Abstract: An electromagnetic machine includes a universal circuit board and a plurality of universal coils. The universal circuit board includes a first coil configuration imprint and a second coil configuration imprint. The plurality of universal coils each including a positive lead and a negative lead for electrical connection to one of the first and second coil configuration imprints.
    Type: Grant
    Filed: January 14, 2019
    Date of Patent: October 12, 2021
    Assignee: CARRIER CORPORATION
    Inventors: Tadeusz Pawel Witczak, Zbigniew Piech, Wojciech Szelag, Cezary Jedryczka, Stella M. Oggianu, Adam Marian Myszkowski
  • Publication number: 20210284497
    Abstract: Disclosed is an elevator inspection system, having: a sensor implement; a robotic platform supporting the sensor implement, the robotic platform configured to inspect a hoistway; and a controller operationally connected to the robotic platform and the sensor implement, wherein the controller is configured to define hoistway model data, for the hoistway, from maintenance and performance data collected from disparately located elevator systems connected to communicate over a network.
    Type: Application
    Filed: March 16, 2020
    Publication date: September 16, 2021
    Inventors: Tadeusz Pawel Witczak, Joseph Crute
  • Publication number: 20210284495
    Abstract: Disclosed is an elevator inspection system, the system having: a robotic platform configured to inspect a hoistway; a platform propulsor operationally connected to the robotic platform; and a controller operationally connected to the platform propulsor, wherein the controller is configured to control the platform propulsor to propel the robotic platform vertically within the hoistway.
    Type: Application
    Filed: March 16, 2020
    Publication date: September 16, 2021
    Inventors: Tadeusz Pawel Witczak, Joseph Crute
  • Publication number: 20210284503
    Abstract: Disclosed is an elevator inspection system, having: a sensor implement; a robotic platform, which is portable, supporting the sensor implement, the robotic platform configured for inspecting and performing maintenance in a hoistway; a controller operationally connected to the robotic platform and the sensor implement, wherein the controller is configured to: control movement of the robotic platform within a hoistway; and inspect one or more components in the hoistway to determine, from sensor data compared with hoistway model data, that an operational parameter or an alignment of the one or more components is outside predetermined positioning and operating tolerances.
    Type: Application
    Filed: March 16, 2020
    Publication date: September 16, 2021
    Inventors: Tadeusz Pawel Witczak, Joseph Crute
  • Publication number: 20210284496
    Abstract: Disclosed is an elevator inspection system, having: a sensor implement; a robotic platform supporting the sensor, the robotic platform configured to inspect a hoistway; a controller operationally connected to the robotic platform and the sensor, wherein the controller is configured to define hoistway model data for the hoistway, from sensor data, corresponding to locations and shape boundaries of the hoistway and doorway openings formed in the hoistway.
    Type: Application
    Filed: March 16, 2020
    Publication date: September 16, 2021
    Inventors: Tadeusz Pawel Witczak, Joseph Crute
  • Publication number: 20210284498
    Abstract: Disclosed is an elevator inspection system, configured to inspect multiple elevator cars in a group of elevator cars, the system having: a sensor implement; a robot supporting the sensor implement; and a controller operationally connected to the robot and the senor, wherein the controller is configured to transmit an alert responsive to determining, from sensor data compared with elevator operational data, that an operational parameter of an elevator car in which the robot is located is outside a predetermined threshold.
    Type: Application
    Filed: March 16, 2020
    Publication date: September 16, 2021
    Inventors: Tadeusz Pawel Witczak, Joseph Crute
  • Publication number: 20210276833
    Abstract: A monitoring system for a passenger conveyor including: at least one acceleration sensor provided on a movable component of the passenger conveyor, wherein the moveable component moves in a closed loop path (P) when the passenger conveyor is in use; a fault detection sensor associated with the or each acceleration sensor and configured to provide data indicative of a fault in the moveable. The monitoring system includes a controller configured to: receive data from the or each acceleration sensor; monitor a gravity vector (V) of the or each acceleration sensor; determine a direction of travel of the or each acceleration sensor; determine a current location of the or each acceleration sensor based on the monitored gravity vector (V) and the determined direction of travel; detect a fault from the data received from the or each fault detection sensor; identify a location of the detected fault.
    Type: Application
    Filed: November 19, 2020
    Publication date: September 9, 2021
    Inventors: Craig Drew Bogli, Tadeusz Pawel Witczak, Nikola Trcka, Philipp Schedl, Robert Takacs
  • Publication number: 20210275850
    Abstract: A fire suppressant storage device (20) comprises: a tank (22) having a first port (40), a second port (70), and an interior (32) for storing fire suppressant. A discharge assembly (46) is mounted to the first port and comprises a discharge valve (48) and a charge conduit (50) at least partially within the interior. The discharge conduit has an interior and an exterior. A liquid level measurement assembly (82; 200; 250; 300; 400) is mounted to the second port and comprises: a tube (100) at least partially within the tank interior and having an interior sealed relative to the surrounding tank interior and an exterior; a float (120; 220) surrounding the tube; and a member (122; 222; 252; 302) axially movable within the tube interior. One of the float and the member comprises an upper magnet (130; 230) and a lower magnet (132; 232). The other of the float and the member magnetically cooperates with the upper magnet and the lower magnet to relatively axially trap the member to the float.
    Type: Application
    Filed: October 2, 2019
    Publication date: September 9, 2021
    Applicant: Carrier Corporation
    Inventors: Marcin Piech, Cezary Jedryczka, Wojciech Szelag, Rafal Wojciechowski, Tadeusz Pawel Witczak
  • Publication number: 20210275846
    Abstract: A fire suppressant storage device (20) comprises: a tank (22) having a first port (40), a second port (70), and an interior (32) for storing fire suppressant. A discharge assembly (46) is mounted to the first port and comprises: a discharge valve (48); and a discharge conduit (50). 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 (100) at least partially within the interior and having: an exterior and an interior sealed relative to the surrounding tank interior. A float (120) surrounds the tube and has one or more magnets (130) and having a range of motion. A plurality of magnetic field sensors (152, 154) are along a carrier (150) within the tube interior. The carrier extends from a proximal end to a distal end.
    Type: Application
    Filed: September 20, 2019
    Publication date: September 9, 2021
    Applicant: Carrier Corporation
    Inventors: Marcin Piech, Tadeusz Pawel Witczak, Beata I. Wawrzyniak, Lukasz Majchrzak, Dawid Milcarek, Cezary Jedryczka
  • Patent number: 11076338
    Abstract: A method for data transfer in a conveyance system includes moving a conveyance system component along a travel path, the conveyance system component including a memory; and transferring data, by at least one of sending data from the memory or receiving data to the memory, in response to available network signal strength.
    Type: Grant
    Filed: June 5, 2018
    Date of Patent: July 27, 2021
    Assignee: OTIS ELEVATOR COMPANY
    Inventors: Tadeusz Pawel Witczak, Craig Drew Bogli
  • Patent number: 11072515
    Abstract: An illustrative example elevator system includes at least one elevator car that is moveable along a hoistway. An elevator controller is configured to respond to a communication from a portable device indicating a desire for the at least one elevator car to be placed in a maintenance mode and indicating a location of desired hoistway access. The controller automatically moves the elevator car to a determined positon based on the communication. That position corresponds to the location of the desired hoistway access. The controller performs at least one automated procedure to place the elevator car in the maintenance mode. The controller provides an indication to the portable device that the elevator car is in the determined position and that the automated procedure has been completed.
    Type: Grant
    Filed: March 27, 2018
    Date of Patent: July 27, 2021
    Assignee: OTIS ELEVATOR COMPANY
    Inventors: Tadeusz Pawel Witczak, Michael J. Tracey
  • Publication number: 20210153292
    Abstract: A communications system includes a root node; a plurality of nodes in communication with the root node, the plurality of nodes defining a mesh network; the root node configured to: determine a time delay to each node of the plurality of nodes; transmit audio data to the plurality of nodes, the plurality of nodes configured to produce audio corresponding to the audio data; transmit a delay code to the plurality of nodes, each of the plurality of nodes producing the audio corresponding to the audio data at a time corresponding to the delay code.
    Type: Application
    Filed: November 12, 2020
    Publication date: May 20, 2021
    Inventors: Marcin Piech, Tadeusz Pawel Witczak, Lukasz Majchrzak, Dawid Milcarek