Patents by Inventor Derk Oscar Pahlke
Derk Oscar Pahlke 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: 11912533Abstract: According to an aspect, a method includes monitoring a plurality of vibration data by a vibration monitoring beacon and determining that the vibration monitoring beacon has been installed at a service location based on detecting an installation characteristic signature in the vibration data. The vibration monitoring beacon can transition into a learning mode based on determining that the vibration monitoring beacon has been installed at the service location. The method can also include monitoring for a learning mode termination event and transitioning the vibration monitoring beacon from the learning mode to a normal operation mode based on detecting the learning mode termination event.Type: GrantFiled: February 27, 2023Date of Patent: February 27, 2024Assignee: OTIS ELEVATOR COMPANYInventors: Tadeusz Pawel Witczak, Craig Drew Bogli, Derk Oscar Pahlke, Yrinee Michaelidis
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Patent number: 11897726Abstract: A conveyance system includes a local gateway configured to communicate with a remote system over a communications network; at least one module in communication with the local gateway; the at least one module including a processor configured to perform local processing of data at the at least one module.Type: GrantFiled: September 19, 2019Date of Patent: February 13, 2024Assignee: OTIS ELEVATOR COMPANYInventor: Derk Oscar Pahlke
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Patent number: 11795032Abstract: An elevator system includes a car door and a sensor module. The car door is movable relative to an elevator car by a drive mechanism. The sensor module includes a first acoustic sensor arranged to provide a first acoustic signal, a second acoustic sensor arranged to provide a second acoustic signal, and a processor arranged to receive the first acoustic signal and the second acoustic signal. The processor is programmed to, responsive to an input provided to the first acoustic sensor and the second acoustic sensor, identify a direction of an elevator system noise source based on a first time delay based on the first acoustic signal and the second acoustic signal.Type: GrantFiled: November 13, 2018Date of Patent: October 24, 2023Assignee: OTIS ELEVATOR COMPANYInventor: Derk Oscar Pahlke
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Patent number: 11767194Abstract: An illustrative example elevator sensor device includes at least one sensor supported on a door of an elevator car. The sensor provides an output including an indication of at least movement of the door along at least one axis and movement of the elevator car along at least one axis. A processor associated with the at least one sensor receives the output and determines at least one characteristic of the movement of the door based on the indication of the movement of the door. The processor also determines a location of the elevator car where the movement of the door occurs based on the indication of movement of the elevator car.Type: GrantFiled: January 28, 2019Date of Patent: September 26, 2023Assignee: OTIS ELEVATOR COMPANYInventors: Tadeusz Pawel Witczak, Craig Drew Bogli, Derk Oscar Pahlke, Nikola Trcka, Yrinee Michaelidis
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Patent number: 11724911Abstract: An elevator car is provided and includes a body, an acoustic response device and a local or remote system configured to control an operation of the acoustic response device whereby an acoustic integrity check to determine a condition of the body is executable by the local or remote system.Type: GrantFiled: November 12, 2019Date of Patent: August 15, 2023Assignee: OTIS ELEVATOR COMPANYInventors: Derk Oscar Pahlke, Lutz Hentschel
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Publication number: 20230219787Abstract: According to an aspect, a method includes monitoring a plurality of vibration data by a vibration monitoring beacon and determining that the vibration monitoring beacon has been installed at a service location based on detecting an installation characteristic signature in the vibration data. The vibration monitoring beacon can transition into a learning mode based on determining that the vibration monitoring beacon has been installed at the service location. The method can also include monitoring for a learning mode termination event and transitioning the vibration monitoring beacon from the learning mode to a normal operation mode based on detecting the learning mode termination event.Type: ApplicationFiled: February 27, 2023Publication date: July 13, 2023Inventors: Tadeusz Pawel Witczak, Craig Drew Bogli, Derk Oscar Pahlke, Yrinee Michaelidis
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Patent number: 11618652Abstract: A monitoring system for an escalator including: a local gateway device; an analytic engine in communication with the local gateway device through a cloud computing network; a weather data source in communication with the analytic engine through the cloud computing network, the weather data source being configured to obtain weather data at a location of the escalator; a sensing apparatus in wireless communication with the local gateway device through a short-range wireless protocol, the sensing apparatus comprising: an inertial measurement unit sensor configured to detect acceleration data of the escalator, and wherein the CBM health score is adjusted in response to at least the weather data.Type: GrantFiled: November 15, 2019Date of Patent: April 4, 2023Assignee: OTIS ELEVATOR COMPANYInventors: Derk Oscar Pahlke, Robert Takacs, Philipp Schedl
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Patent number: 11613445Abstract: According to an aspect, a method includes monitoring a plurality of vibration data by a vibration monitoring beacon and determining that the vibration monitoring beacon has been installed at a service location based on detecting an installation characteristic signature in the vibration data. The vibration monitoring beacon can transition into a learning mode based on determining that the vibration monitoring beacon has been installed at the service location. The method can also include monitoring for a learning mode termination event and transitioning the vibration monitoring beacon from the learning mode to a normal operation mode based on detecting the learning mode termination event.Type: GrantFiled: December 5, 2018Date of Patent: March 28, 2023Assignee: OTIS ELEVATOR COMPANYInventors: Tadeusz Pawel Witczak, Craig Drew Bogli, Derk Oscar Pahlke, Yrinee Michaelidis
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Patent number: 11584614Abstract: Methods and systems for determining elevator car locations are provided. Aspects includes a sensor affixed to a moving component of an elevator system, wherein the sensor is operated by a controller and wherein the controller is configured to determine that the elevator car is in motion based at least in part on the sensor. A direction of the elevator car is determined while the elevator car is in motion based at least in part on the sensor. Sensor data associated with the elevator car is collected while the elevator car is in motion, wherein the sensor data includes a travel time while the elevator car is in motion. Elevator car travel data is accessed from a travel time profile associated with the elevator car and the travel time is compared to the elevator car travel data to determine a location of the elevator car in a hoistway.Type: GrantFiled: June 15, 2018Date of Patent: February 21, 2023Assignee: OTIS ELEVATOR COMPANYInventors: Tadeusz Pawel Witczak, Craig Drew Bogli, Ezhil Nanjappan, Derk Oscar Pahlke, Yrinee Michaelidis
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Patent number: 11548764Abstract: A monitoring system for monitoring an escalator is provided. The monitoring system including: a local gateway device; and a sensing apparatus in wireless communication with the local gateway device through a short-range wireless protocol, the sensing apparatus including: an inertial measurement unit sensor configured to detect acceleration data of the escalator.Type: GrantFiled: November 15, 2019Date of Patent: January 10, 2023Assignee: OTIS ELEVATOR COMPANYInventor: Derk Oscar Pahlke
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Patent number: 11542124Abstract: A method of monitoring a door of an elevator car within an elevator system including: detecting a first plurality of accelerations along an X-axis of the elevator system during a first time period; detecting a second plurality of accelerations along a Y-axis of the elevator system during the first time period; determining an absolute value of the first plurality of accelerations; determining an absolute value of the second plurality of accelerations; determining a first summation of the absolute value of the first plurality of accelerations and the absolute value of the second plurality of accelerations; and determining whether the door of the elevator car is in motion during the first time period by determining whether a maximum value of the first summation is greater than a threshold value.Type: GrantFiled: May 13, 2019Date of Patent: January 3, 2023Assignee: OTIS ELEVATOR COMPANYInventor: Derk Oscar Pahlke
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Patent number: 11535491Abstract: A method of verifying a trapped passenger alarm in an elevator system including an elevator car including a sensing apparatus mounted in the elevator car. The method includes obtaining at least one of acceleration of the elevator car and air pressure within the elevator car from the sensing apparatus; detecting the trapped passenger alarm; determining that the trapped passenger alarm is one of a valid trapped passenger alarm and a false trapped passenger alarm in response to the at least one of acceleration of the elevator car and air pressure within the elevator car.Type: GrantFiled: March 28, 2019Date of Patent: December 27, 2022Assignee: OTIS ELEVATOR COMPANYInventor: Derk Oscar Pahlke
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Patent number: 11518650Abstract: A method for monitoring thresholds for performance attributes in an elevator system is provided. Aspects includes collecting, by a sensor affixed to an elevator car, sensor data associated with the elevator system wherein the sensor data comprises one or more performance attribute values for a set of performance attributes of the elevator system. Obtaining a threshold profile associated with the elevator system, wherein the threshold profile comprises thresholds for each performance attribute in the set of performance attributes of the elevator system. Comparing the one or more performance attribute values to corresponding thresholds for the set of performance attributes and transmitting an alert for any of the one or more performance attribute values exceeding the corresponding thresholds for the set of performance attributes.Type: GrantFiled: June 15, 2018Date of Patent: December 6, 2022Assignee: OTIS ELEVATOR COMPANYInventors: Tadeusz Pawel Witczak, Craig Drew Bogli, Ezhil Nanjappan, Derk Oscar Pahlke
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Patent number: 11472666Abstract: A method of monitoring a conveyance apparatus within a conveyance system, the method including: obtaining a health level of the conveyance system at a first conveyance apparatus location; determining a first identifier for the first conveyance apparatus location; displaying the health level for the conveyance system at the first conveyance apparatus location and the first identifier for the first conveyance apparatus location on a display device; determining a current location of an individual within the conveyance system; and displaying the location of the individual within the conveyance system on the display device.Type: GrantFiled: April 5, 2019Date of Patent: October 18, 2022Assignee: OTIS ELEVATOR COMPANYInventors: Derk Oscar Pahlke, Robert Bastubbe
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Patent number: 11292697Abstract: A monitoring system for monitoring an escalator is provided including: a local gateway device; and a sensing apparatus in wireless communication with the local gateway device through a short-range wireless protocol, the sensing apparatus including: a frequency detection device configured to detect frequency data of the escalator, wherein the sensing apparatus is configured to obtain a specific frequency of a component of the escalator and detect at least one of a change in the specific frequency of the component to a sub-frequency, a direction shift of the specific frequency of the component, and a change in a harmonics of the specific frequency of the component in response to the frequency data.Type: GrantFiled: November 15, 2019Date of Patent: April 5, 2022Assignee: OTIS ELEVATOR COMPANYInventors: Derk Oscar Pahlke, Philipp Schedl, Robert Takacs
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Patent number: 11059702Abstract: A monitoring system for an escalator including: a local gateway device; an analytic engine in communication with the local gateway device through a cloud computing network; a sensing apparatus in wireless communication with the local gateway device through a short-range wireless protocol, the sensing apparatus including: an inertial measurement unit sensor configured to detect acceleration data of the escalator, wherein at least one of the sensing apparatus, the local gateway device, and the analytic engine is configured to determine an operating mode of the escalator in response to at least the acceleration data; and an application for a computing device, the application being configured to display weather data simultaneously with the operating mode of the escalator on a display device of the computing device.Type: GrantFiled: November 15, 2019Date of Patent: July 13, 2021Assignee: OTIS ELEVATOR COMPANYInventor: Derk Oscar Pahlke
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Patent number: 11040850Abstract: A method of assigning a destination floor to an elevator call associated with a mobile device is provided. The method including: receiving a first elevator call to travel from a first floor, the first floor is a boarding floor for the first elevator call; detecting a location of a mobile device relative to an elevator car of an elevator system; moving the elevator car from the first floor to a second floor in response to the first elevator call; determining when the mobile device exits the elevator car at the second floor in response to the location of the mobile device, the second floor is a destination floor for the first elevator call; receiving a second elevator call from the mobile device; and establishing the second floor as a destination floor for the second elevator call.Type: GrantFiled: March 27, 2018Date of Patent: June 22, 2021Assignee: OTIS ELEVATOR COMPANYInventors: Paul A. Simcik, Derk Oscar Pahlke, Markus Mueller, Stephen Richard Nichols
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Patent number: 11034551Abstract: A monitoring system for an escalator including: a local gateway device; an analytic engine in communication with the local gateway device through a cloud computing network; a sensing apparatus in wireless communication with the local gateway device through a short-range wireless protocol, the sensing apparatus including: an inertial measurement unit sensor configured to detect acceleration data of the escalator, wherein at least one of the sensing apparatus and the local gateway device is configured to determine a condition based monitoring (CBM) health score of the escalator in response to at least the acceleration data, and wherein the local gateway is configured wirelessly transmit the CBM health score of the escalator to the cloud computing network in a data package via a long-range wireless communication protocols.Type: GrantFiled: November 15, 2019Date of Patent: June 15, 2021Assignee: OTIS ELEVATOR COMPANYInventor: Derk Oscar Pahlke
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Publication number: 20210147181Abstract: A monitoring system for an escalator including: a local gateway device; an analytic engine in communication with the local gateway device through a cloud computing network; a sensing apparatus in wireless communication with the local gateway device through a short-range wireless protocol, the sensing apparatus including: an inertial measurement unit sensor configured to detect acceleration data of the escalator, wherein at least one of the sensing apparatus, the local gateway device, and the analytic engine is configured to determine an operating mode of the escalator in response to at least the acceleration data; and an application for a computing device, the application being configured to display weather data simultaneously with the operating mode of the escalator on a display device of the computing device.Type: ApplicationFiled: November 15, 2019Publication date: May 20, 2021Inventor: Derk Oscar Pahlke
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Publication number: 20210147189Abstract: A monitoring system for an escalator including: a local gateway device; an analytic engine in communication with the local gateway device through a cloud computing network; a weather data source in communication with the analytic engine through the cloud computing network, the weather data source being configured to obtain weather data at a location of the escalator; a sensing apparatus in wireless communication with the local gateway device through a short-range wireless protocol, the sensing apparatus comprising: an inertial measurement unit sensor configured to detect acceleration data of the escalator, and wherein the CBM health score is adjusted in response to at least the weather data.Type: ApplicationFiled: November 15, 2019Publication date: May 20, 2021Inventors: Derk Oscar Pahlke, Robert Takacs, Philipp Schedl