Patents Examined by Logan M Kraft
  • Patent number: 11821436
    Abstract: A condenser fan includes a lock hub and multiple blades that are fastened to the hub. Each of the blades includes six planes, each of which having variable parameters including pitch angle, sickle, chord length, and blade curve. For each embodiment of the evaporator fan, the blades are identically configured.
    Type: Grant
    Filed: May 27, 2022
    Date of Patent: November 21, 2023
    Assignee: THERMO KING LLC
    Inventors: Srikanth Kanduri, Ramesh Vedula, Preman Reynold Joseph, Sudalairaja Madasamy, Ajaya Kumar, Harikrishnan Nayanar K, Manivannan Loganathan, Evan Jones, Ross Jones, Bharath Gm
  • Patent number: 11821391
    Abstract: A noise reduction type purge control solenoid valve includes a body including a connector that supplies electricity from the exterior; a cover coupled to the body having a fluid inlet and a fluid outlet, and formed with a fluid discharge passage connected to the fluid outlet therein; a solenoid component disposed in the body; and an armature disposed between the solenoid component and the fluid discharge passage and moving upward and downward by the solenoid component to open and close the fluid discharge passage. Further, a noise reduction member is mounted on the armature to reduce noise generated by contact between the fluid discharge passage and the armature. A noise reduction wall protrudes along a circumference of an upper surface of the noise reduction member.
    Type: Grant
    Filed: June 13, 2017
    Date of Patent: November 21, 2023
    Assignee: Hyundai Kefico Corporation
    Inventor: Ahn Hee Lee
  • Patent number: 11820398
    Abstract: A learning apparatus configured to be able to communicate with a plurality of equipment in which learning models are mounted, wherein when first equipment among the plurality of equipment in which a learning model trained using training data sets acquired in a predetermined first area is mounted and which is controlled by the same is used in a predetermined second area, the learning apparatus uses training data sets acquired in the second area to relearn the learning model mounted in the first equipment.
    Type: Grant
    Filed: August 31, 2021
    Date of Patent: November 21, 2023
    Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Daiki Yokoyama, Ryo Nakabayashi
  • Patent number: 11815037
    Abstract: A method and system for operating a two-stroke engine includes a fuel system comprising a fuel pressure sensor, fuel temperature sensor and a fuel injector and a controller in communication with the fuel pressure sensor and fuel temperature sensor. The controller controls the fuel injector with a fuel pulsewidth determined by determining a beginning time of a window for measuring fuel pressure, determining an ending time of the window, measuring fuel pressure between the beginning time and the ending time, determining a fuel pulsewidth based on the fuel pressure and fuel temperature and injecting fuel into the two-stroke engine in response to a desired fuel mass.
    Type: Grant
    Filed: July 21, 2022
    Date of Patent: November 14, 2023
    Assignee: Polaris Industries Inc.
    Inventors: James H. Buchwitz, Lucas R. Salfer, G. Jay McKoskey, Jacob Hanson, Ron Danielson, Andreas H. Bilek, Dallas J. Blake, Ralph W. Lauzze, III, Eric L. Gausen
  • Patent number: 11808223
    Abstract: The invention relates to a method to heat exhaust gases to a selected specific temperature by fuel injection control in an internal combustion engine (112), which engine comprises a control unit (115) registering the currently requested load and determining a required fuel amount in response to the requested load.
    Type: Grant
    Filed: March 20, 2019
    Date of Patent: November 7, 2023
    Assignee: VOLVO PENTA CORPORATION
    Inventor: Magnus Romeborn
  • Patent number: 11807394
    Abstract: An on-ground engine starter interrupt system that prevents engine start up when either the throttle is open or the fuel control is engaged (or both) for reciprocating and turbine helicopters is disclosed. The on-ground engine starter interrupt system works for Robinson helicopter models R22, R44, and R66.
    Type: Grant
    Filed: January 6, 2021
    Date of Patent: November 7, 2023
    Inventor: Jonathan Richard Gunn
  • Patent number: 11809790
    Abstract: Systems and methods are provided for the accurate reproduction during simulation of distributed systems, such as vehicle-based processing systems. In a simulation, the execution times of individual tasks are aligned to those of a recorded process. Data consumed during the recorded process is also consumed during the corresponding portion of the simulation, and data generated during the simulation is associated with timing data from data generated during the recorded processes.
    Type: Grant
    Filed: September 22, 2020
    Date of Patent: November 7, 2023
    Assignee: Beijing Voyager Technology Co., Ltd.
    Inventors: Yuzhu Shen, Yun Jiang, Alok Priyadarshi
  • Patent number: 11802532
    Abstract: The present disclosure relates to a starter pulley arrangement for an internal combustion engine. The arrangement comprises a cord drum (1) configured to house a starting rope wound thereon, a driver (3) configured to interact with a flywheel (5) or other part connected to an engine crankshaft, and a torsion spring (7) connecting the cord drum (1) to the driver (3), such that the cord drum can resiliently urge the engine crankshaft via the driver. The torsion spring (7) is tensioned in a resting position where the driver does not influence the crankshaft. This provides an improved resistance against wear on the parts of the starter pulley arrangement.
    Type: Grant
    Filed: October 13, 2022
    Date of Patent: October 31, 2023
    Assignee: HUSQVARNA AB
    Inventors: Peter Björkman, Alex Rasooli
  • Patent number: 11802534
    Abstract: The present invention is provided to suppress the power consumption, the calorific value, and the volume of an ignition device in an internal combustion engine while suppressing failures in igniting fuel by an ignition plug. To achieve this, a control device 1 for the internal combustion engine includes an ignition control unit that controls energization of an ignition coil 300 that gives electric energy to an ignition plug 200 that discharges in a cylinder 150 of an internal combustion engine 100 to ignite fuel. The ignition control unit controls energization of the ignition coil 300 so that first electric energy is released from the ignition coil 300 while second electric energy is released as electric energy superposed on the first electric energy, the second electric energy changing based on a gas state around the ignition plug 200.
    Type: Grant
    Filed: March 27, 2020
    Date of Patent: October 31, 2023
    Assignee: Hitachi Astemo, Ltd.
    Inventor: Eiichirou Ohata
  • Patent number: 11795886
    Abstract: Operating an engine system and fuel system includes energizing a solenoid actuator for a spill valve in a fuel injector in a first engine cycle via a standard waveform to inject a shot of fuel. Operating an engine system and fuel system further includes determining suitability for reduced energy operating of the fuel system, and energizing the solenoid actuator via a reduced energy waveform based on the determining suitability so as to inject one or more shots of fuel in a second engine cycle. The operating methodology and control logic can extend an engine speed range for multi-shot fuel injection in an engine.
    Type: Grant
    Filed: December 13, 2021
    Date of Patent: October 24, 2023
    Assignee: Caterpillar Inc.
    Inventors: Andrew O. Marrack, Daniel Reese Puckett, Mitchell B. Juchems
  • Patent number: 11790126
    Abstract: A method for generating data for an internal combustion engine control unit includes receiving at least one constraint by a simulated internal combustion engine, receiving a first value of an air condition by the simulated internal combustion engine, and determining at least one simulated engine parameter associated with a maximum expected output of the simulated internal combustion engine, wherein the maximum expected output is determined based on the first value and the at least one constraint. The method also includes supplementing existing engine information by storing the at least one simulated engine parameter in a memory associated with the internal combustion engine control unit together with the existing engine information.
    Type: Grant
    Filed: December 19, 2019
    Date of Patent: October 17, 2023
    Assignee: Caterpillar Inc.
    Inventor: Derek A. Tanis
  • Patent number: 11781445
    Abstract: According to an embodiment, a turbine casing comprises a cooling air supply unit configured to supply a cooling air to an interior space of a casing of a gas turbine, and the cooling air supply unit includes: a first supply unit disposed in an upper half of the casing so as to face a first region and configured to supply the cooling air to the first region, where the first region is a region on a radially outer side of a plurality of combustors arranged annularly around a rotor; and a second supply unit disposed so as to face a second region and configured to supply the cooling air to the second region, where the second region is a region on a radially inner side of the plurality of combustors.
    Type: Grant
    Filed: March 4, 2020
    Date of Patent: October 10, 2023
    Assignee: MITSUBISHI HEAVY INDUSTRIES, LTD.
    Inventors: Tetsuya Shimmyo, Shunsuke Torii, Masanori Yuri, Naoya Tatsumi, Shingo Yamasue
  • Patent number: 11781944
    Abstract: An engine system includes a delta pressure sensor configured to sense a pressure difference across an engine exhaust handling component and an electronic control system configured to determine a cold sensor condition permitting icing of the delta pressure sensor, determine a sensed pressure deviation condition indicative of deviation of the pressure difference sensed by the delta pressure sensor from a deviation limit, dynamically model a sensor heat transfer condition indicative of heating or cooling of the delta pressure sensor, determine that the sensor heat transfer condition is indicative of insufficient heating of the delta pressure sensor to mitigate icing of the delta pressure sensor, and determine an icing condition of the delta pressure sensor.
    Type: Grant
    Filed: November 30, 2021
    Date of Patent: October 10, 2023
    Assignee: Cummins Inc.
    Inventors: Jesse Kurt Magnuson, Soumya Nayyar, Mostafa S. Raihan
  • Patent number: 11781495
    Abstract: The exemplary embodiments herein provide a dual fuel system with a recreational vehicle electric battery for use with a power generation assembly. The system comprises a combustion engine with a stator assembly for generating power and further having a gasoline pump, an LP shutoff valve, and a carburetor valve. The system further comprises a recreational vehicle battery, a DC rectifier in electrical communication with the stator assembly, a fuel selection switch, and a digital fuel valve control module (DFVCM). Multiple fuels are safely controlled while interchanging power between a battery and the DC rectifier.
    Type: Grant
    Filed: December 27, 2021
    Date of Patent: October 10, 2023
    Inventors: Evan Whitney, Mike Roll
  • Patent number: 11773790
    Abstract: A throttle device 1 includes a throttle valve 2 which is disposed in an intake passage 101, and includes a first valve body 20 and a first rotatable shaft 21 for rotatably holding the first valve body 20, a bypass valve 3 which is disposed in a bypass passage 8 connected to the intake passage 101 so as to bypass the throttle valve 2, and includes a second valve body 30 and a second rotatable shaft 31 for rotatably holding the second valve body 30, a common motor 4 for applying a driving force to the throttle valve 2 and the bypass valve 3, a first gear 5 configured to be able to transmit or block the driving force of the motor 4 with respect to the first rotatable shaft 21, a second gear 6 configured to receive the driving force of the motor 4 and transmit the driving force to the second rotatable shaft 31, and a sensor 7 for detecting a rotation amount of the second rotatable shaft 31 of the bypass valve 3 or another rotatable shaft rotating in conjunction with the second rotatable shaft 31.
    Type: Grant
    Filed: March 16, 2021
    Date of Patent: October 3, 2023
    Assignee: MIKUNI CORPORATION
    Inventor: Jun Kiyono
  • Patent number: 11773795
    Abstract: Operating a gaseous fuel engine system includes spark-igniting a gaseous hydrogen fuel and air in a prechamber sparkplug to ignite a main charge containing gaseous hydrogen fuel and air in a cylinder. Operating the gaseous fuel engine system also includes determining a preignition condition and conveying cooling air to the prechamber sparkplug based on the preignition condition to limit preignition of gaseous hydrogen fuel and air in the prechamber sparkplug. Related apparatus and control logic is also disclosed.
    Type: Grant
    Filed: August 3, 2022
    Date of Patent: October 3, 2023
    Assignee: Caterpillar Inc.
    Inventors: Jaswinder Singh, Eric Lee Schroeder, Andrew Joseph Loetz, Ryan Mchael Snodgrass, Adam Joseph Clute, Patrick John Seiler, Christopher Ronald Gehrke
  • Patent number: 11773727
    Abstract: A blade of a turbomachine turbine, including a platform and a vane, including a cooling area extending along the trailing edge, with three distinct types of orifices, wherein the blade includes, at the root of the blade, a first type of orifices formed in the thickness of the trailing edge fillet, at the top of the blade, a third type of orifice formed in the thickness of at least one of the lower surface and upper surface walls, and in the middle of the blade, a second type of orifice formed in the thickness of at least one of the lower surface and upper surface walls. The lower surface wall, the upper surface wall and the trailing edge fillet define a dihedral with a radially changing radius and spacing.
    Type: Grant
    Filed: March 9, 2021
    Date of Patent: October 3, 2023
    Assignee: SAFRAN AIRCRAFT ENGINES
    Inventors: Leandre Ostino, Filippo Pagnoni
  • Patent number: 11761408
    Abstract: The invention relates to an internal combustion engine system (100), comprising: —an internal combustion engine (2) comprising a cylinder block (3) housing a plurality of cylinders (4), a first intake manifold (6a) connected to a first group of cylinders (4a) a second distinct intake manifold (6b) connected to a second group of cylinders (4b) and a first, respectively a second, exhaust manifold (8a, 8b) for receiving the exhaust gas emitted from the first, respectively the second, group of cylinders (4a, 4b); —an air inlet line (10); —an EGR line (20) connected to the first and second exhaust manifolds (8a, 8b); wherein the internal combustion engine system is operable in at least two operating modes, respectively a normal operating mode in which all cylinders are supplied with fuel and a regeneration operating mode, in which the cylinders of the first group of cylinders (4a) are no longer supplied with fuel, characterized in that: —the system also includes a mixing unit (30) comprising a four-way valve, said
    Type: Grant
    Filed: October 23, 2019
    Date of Patent: September 19, 2023
    Assignee: VOLVO TRUCK CORPORATION
    Inventors: Laurent Bauvir, Raphael Bost
  • Patent number: 11761391
    Abstract: An electronic control method for a throttle performed by an electronic control throttle device is disclosed. The electronic control method includes: generating, by the electronic control section, the control signal for the throttle with a sum of a proportional torque and an integral torque as a value of a torque command, by calculating an engine speed deviation from a difference between a calculated or input engine speed and an input engine speed command; calculating an engine rotational angular acceleration based on the engine speed; obtaining the proportional torque from a product of the engine speed deviation and a predetermined coefficient; and obtaining the integral torque by integrating the product of the engine speed deviation and the predetermined coefficient.
    Type: Grant
    Filed: August 1, 2022
    Date of Patent: September 19, 2023
    Inventors: Ryo Narita, Ryuichi Oguro
  • Patent number: 11761394
    Abstract: Methods and systems are provided for a fuel system. In one example, a method may include cleaning an orifice of an ELCM. The cleaning includes adjusting a position of a valve in a passage to fluidly couple a reference orifice of the ELCM to an intake manifold.
    Type: Grant
    Filed: December 13, 2021
    Date of Patent: September 19, 2023
    Assignee: Ford Global Technologies, LLC
    Inventor: Aed Dudar