Patents Examined by Thai-Ba Trieu
  • Patent number: 10567938
    Abstract: A ruggedized engine control module (ECU) system includes a plugin-pod, a connector configured to connect the plugin-pod to a connector of an ECU, and signal processing circuitry. The ruggedized ECU system further includes a ruggedized enclosure for the connector and the signal processing circuitry. The ruggedized enclosure is configured to mount the plugin-pod to the ECU. The connection circuit includes signal processing circuitry configured to receive signals from at least one of the connectors, process the signals, and output the processed signals. The ruggedized ECU is configured to dissipate heat from the signal processing circuitry.
    Type: Grant
    Filed: June 7, 2016
    Date of Patent: February 18, 2020
    Assignee: Cummins Inc.
    Inventors: Daniel R. Harshbarger, Nikhil Pandey, Joseph L. Gahimer
  • Patent number: 10550749
    Abstract: An exhaust gas temperature sensor diagnostic system includes an exhaust gas temperature sensor, a controller and a storage device. The controller is programmed to wakeup after a predetermined time after engine shutdown, determine a temperature of the sensor and ambient temperature, calculate a difference in the temperature of the sensor after wakeup to a temperature of the sensor at engine shutdown, determine an estimated temperature of the sensor based on the ambient temperature and the predetermined time, add the difference in the temperature of the sensor at wakeup to the estimated temperature to determine a compensated estimated sensor reading, determine a difference between the compensated estimated sensor reading and a corrected sensor reading, compare the difference between the compensated estimated sensor reading and a corrected sensor reading to a threshold to determine whether the sensor is operating properly. The storage device is configured to store information related to the sensor.
    Type: Grant
    Filed: March 20, 2017
    Date of Patent: February 4, 2020
    Assignee: Nissan North America, Inc.
    Inventor: Yichao Guo
  • Patent number: 10550737
    Abstract: A high efficiency uniflow steam engine with automatic inlet and exhaust valves rather than camshaft operated valves includes an electromagnet and cooperating armature that actuates a cutoff control valve for closing a steam inlet valve at any time selected to stop the flow of steam to the cylinder. Approaching the end of the exhaust stroke typically 0.12 inch before TDC the cylinder is sealed thereby compressing the remaining residual steam down to a minute clearance approaching zero, for example, 0.020 inch to raise cylinder steam pressure enough to open the steam inlet valve without physical contact between the piston and the steam inlet valve thereby eliminating tappet noise, shock and wear.
    Type: Grant
    Filed: March 7, 2018
    Date of Patent: February 4, 2020
    Assignee: Thermal Power Recovery LLC
    Inventor: James V. Harmon, Sr.
  • Patent number: 10544720
    Abstract: An internal combustion engine system includes an engine and an aftertreatment system that is connected to the engine to receive an exhaust flow from the engine. The aftertreatment system includes a contaminant storage catalyst for storing contaminants produced by the engine during cold start and low temperature operating conditions, and a NOx reduction catalyst downstream of the storage catalyst for receiving the contaminants released from the storage catalyst when temperature conditions in the exhaust flow and/or NOx reduction catalyst are above an effective temperature threshold for NOx reduction. A contaminant amount stored on the storage catalyst can be estimated in response to one or more operating parameters to manage a storage capacity of the storage catalyst. A bypass can used to bypass the storage catalyst to preserve storage capacity for a subsequent cold start condition.
    Type: Grant
    Filed: January 18, 2017
    Date of Patent: January 28, 2020
    Assignee: Cummins Inc.
    Inventors: Michael Haas, Krishna Kamasamudram, Ashok Kumar
  • Patent number: 10544733
    Abstract: A compound engine system includes a rotary engine with rotating chambers, a compressor section in successive communication with the rotating chambers, and a turbine section in successive communication with the rotating chambers. The turbine section has an output shaft. The output shaft and the engine shaft are drivingly engaged to each other and wherein the turbine section has a power output corresponding to from 20% to 35% of a total power output of the compound engine system. A method of compounding power in a compound engine system is also discussed.
    Type: Grant
    Filed: August 9, 2017
    Date of Patent: January 28, 2020
    Assignee: Pratt & Whitney Canada Corp.
    Inventor: Andre Julien
  • Patent number: 10539030
    Abstract: A stator vane for a gas turbine engine includes a first platform and a second platform radially spaced apart from one another. The first and second airfoils are circumferentially spaced from one another and interconnect the first and second platforms. The first platform has a gas path side facing the airfoils and a non-gas path side opposite the gas path side. A circumferentially extending rail provided on the first platform extends radially outward from the gas path side to the non-gas path side to form a pocket on the non-gas path side between the first platform and the rail. A reinforcement is arranged in the pocket and joins the first platform and the rail. The reinforcement includes a variable thickness in the circumferential direction and is arranged generally centrally between the first and second airfoils.
    Type: Grant
    Filed: February 24, 2014
    Date of Patent: January 21, 2020
    Assignee: UNITED TECHNOLOGIES CORPORATION
    Inventor: Donald Kastel
  • Patent number: 10539065
    Abstract: A method of operating an engine assembly receiving fuel, including admitting atmospheric air at a temperature T1 through an inlet of a compressor having a pressure ratio of PRGT, compressing the air in the compressor, cooling the compressed air from the compressor through an intercooler to cool the air from a temperature TBIC to a temperature TAIC, delivering the cooled compressed air from the intercooler to an inlet of an intermittent internal combustion engine having an effective volumetric compression ratio rVC, and further compressing the air in the intermittent internal combustion engine before igniting the fuel, where ( PR GT ) a ? ( r VC ) b ? ( T AIC T BIC ) ? ( T 1 T A ) < 1. An engine assembly is also discussed.
    Type: Grant
    Filed: June 15, 2017
    Date of Patent: January 21, 2020
    Assignee: Pratt & Whitney Canada Corp.
    Inventors: Andre Julien, Edwin Schulz, Michael Lanktree, Serge Dussault
  • Patent number: 10539096
    Abstract: The present invention is a system to utilize slow burning fuels that contain ash with a piston that is utilized as a compressor and an expander, a pair of combustion chambers, an ash bin with a pathway on each side of the ash bin and a cylinder that houses the piston that is integral to the y-shaped pathway and produces gases that are produced by the piston emitted from the cylinder as well as a connecting rod and a crank shaft. The combustion chambers can be cone-shaped and have one or more fan blades that are made of a nonconductive material and have a positive charge. The present invention also creates a rotating body in a single combustion chamber that provides heat energy for evaporation of water and initiation of ignition of fuels that contain more than 5% water that can be connected to an ash bin to expel ash.
    Type: Grant
    Filed: January 20, 2012
    Date of Patent: January 21, 2020
    Inventor: Steven Mark Hayden
  • Patent number: 10533452
    Abstract: An acoustic damper includes a housing with an inlet aperture and an outlet aperture. The housing is configured to receive a gas flow that enters via the inlet aperture and that exits via the outlet aperture. The acoustic damper also includes a barrier member that is disposed within the housing. The barrier member is configured to be disposed within the gas flow and to dampen acoustic energy that propagates in an upstream direction generally from the outlet aperture toward the inlet aperture. The barrier member includes an outer structure that defines an interior volume of the barrier member. The interior volume is oriented toward the outlet aperture.
    Type: Grant
    Filed: July 19, 2017
    Date of Patent: January 14, 2020
    Assignee: GARRETT TRANSPORTATION I INC.
    Inventors: Bhushan Singh Gautam, Gladys Gaude
  • Patent number: 10533490
    Abstract: A supercharging system for an internal combustion engine controls an intake flow-passage switching valve and an exhaust flow-passage switching valve disposed in an intake flow passage and an exhaust flow passage, respectively, on the basis of a first control index which is calculated on the basis of a target boost pressure calculated on the basis of an operational state of the internal combustion engine and an actual boost pressure. The first control index is calculated from an arithmetic expression including opening degrees of the intake flow-passage switching valve and the exhaust flow-passage switching valve as variables.
    Type: Grant
    Filed: February 2, 2015
    Date of Patent: January 14, 2020
    Assignee: MITSUBISHI HEAVY INDUSTRIES, LTD.
    Inventor: Hiroyoshi Kubo
  • Patent number: 10525982
    Abstract: A variable valve, method, and diagnostic system are provided that determine accuracy of a position of a variable valve. The variable valve, method, and diagnostic system are configured to determine a system error, the system error being the difference between a commanded position of the valve and a measured position of the valve provided through a feedback signal of the valve. The variable valve, method, and diagnostic system are further configured to determine that a diagnostic accuracy passing condition is met if: a) the system error is less than a predetermined positive error threshold and greater than a predetermined negative error threshold; b) a rate of change of the measured position exceeds a predetermined positive feedback rate threshold; or c) the rate of change of the measured position is less than a predetermined negative feedback rate threshold.
    Type: Grant
    Filed: January 5, 2017
    Date of Patent: January 7, 2020
    Assignee: GM GLOBAL TECHNOLOGY OPERATIONS LLC
    Inventor: Piranavan Suntharalingam
  • Patent number: 10526960
    Abstract: A turbocharger according to an embodiment of the present invention includes a rotating shaft, a compressor, a turbine, a compressor-side floating bearing and a turbine-side floating bearing that rotatably support the rotating shaft, and a bearing housing that houses the compressor-side floating bearing and the turbine-side floating bearing, the bearing housing being internally provided with a turbine-side oil feeding passage through which oil to be fed to the turbine-side floating bearing flows and a compressor-side oil feeding passage through which oil to be fed to the compressor-side floating bearing flows. A ratio of an oil feeding pressure for oil at an outlet of the compressor-side oil feeding passage to an oil feeding pressure for oil at an outlet of the turbine-side oil feeding passage is configured to be higher than 1.0 and lower than 1.5.
    Type: Grant
    Filed: September 14, 2015
    Date of Patent: January 7, 2020
    Assignee: MITSUBISHI HEAVY INDUSTRIES ENGINE & TURBOCHARGER, LTD.
    Inventors: Yuya Kojima, Takashi Nambu, Naomichi Shibata, Takaya Futae, Shuichi Isayama
  • Patent number: 10519832
    Abstract: A decomposition tube for an exhaust treatment system includes a housing with a housing wall that defines an exhaust flow path for exhaust; a reductant delivery mechanism coupled to the housing and having a nozzle configured to deliver a spray of reductant into the exhaust flow path; and a mesh device with a mounting element mounted on the housing wall and a mesh basket secured to the mounting element proximate to the nozzle to enclose and intercept the spray such that effectively all of the reductant passes through the mesh basket and into the exhaust flow path prior to impinging on the housing wall.
    Type: Grant
    Filed: May 27, 2016
    Date of Patent: December 31, 2019
    Assignee: DEERE & COMPANY
    Inventors: William F. Gavin, Nathan A. Bovee, Marc J. Andvik
  • Patent number: 10513974
    Abstract: A valve is provided fitted into a mounting hole of a mounting member. The valve is allowed to have play with respect to the mounting member. The valve includes a valve body having a valve surface capable of being brought into contact with and being separated from a valve seat. A valve shaft is integrally formed on a head of the valve body. An axial center of the bypass passage is inclined with respect to a thickness direction of an inner wall portion of a turbine housing so that an opening portion on an outlet side in the bypass passage is located closer to a stem side than an opening portion on an inlet side. A center of the valve surface of the valve body is eccentric to the stem side with respect to an axial center of the valve shaft.
    Type: Grant
    Filed: February 6, 2017
    Date of Patent: December 24, 2019
    Assignee: IHI Corporation
    Inventors: Yutaka Uneura, Jaemin Huh
  • Patent number: 10513954
    Abstract: Restrictors are disclosed that include a body defining a Venturi tube having a throat defining a junction of a converging inlet cone to a diverging outlet cone along a longitudinal axis thereof, and with the converging inlet cone and the diverging outlet cone each defining an inner passageway that transitions as a hyperbolic or parabolic function toward the throat.
    Type: Grant
    Filed: August 24, 2016
    Date of Patent: December 24, 2019
    Assignee: Dayco IP Holdings, LLC
    Inventors: David E. Fletcher, Brian M. Graichen, James H. Miller, Keith Hampton
  • Patent number: 10513958
    Abstract: Methods and systems are provided for regenerating an exhaust particulate filter during an engine non-combusting condition. In one example, a method may include, responsive to a higher than first threshold soot load on the PF and a higher than threshold PF temperature, regenerating the PF by flowing compressed air through the PF via operation of an electric booster coupled to the intake manifold.
    Type: Grant
    Filed: March 23, 2018
    Date of Patent: December 24, 2019
    Assignee: Ford Global Technologies, LLC
    Inventor: Aed M. Dudar
  • Patent number: 10508605
    Abstract: A method for operating an internal combustion engine having a turbocharger, wherein a fuel quantity is supplied to the combustion chamber of the engine in a stationary state, which fuel quantity is determined according to a first predetermined relationship between a load requirement to the engine and a rating determining a fuel quantity to be supplied to the combustion chamber, wherein a second predetermined relationship between the rating and the load requirement is used, wherein according to the second relationship, a given load requirement is assigned a larger quantity of fuel than according to the first relationship. In a transient state of the engine, the fuel quantity supplied to the combustion chamber is determined based on an interpolated value of the rating, which is determined for the rating by an interpolation between a value resulting from the first relationship and a value resulting from the second relationship.
    Type: Grant
    Filed: November 5, 2016
    Date of Patent: December 17, 2019
    Assignee: MTU FRIEDRICHSHAFEN GMBH
    Inventors: Alexander Bernhard, Wolfgang Fimml
  • Patent number: 10508590
    Abstract: A generator system may include a compressor and an electric motor. The compressor includes an impeller, and the compressor provides a quantity of air flowing toward an intake of an engine through rotation of the impeller. The electric motor is mechanically linked to the compressor and rotates the impeller to force the quantity of air flowing toward the intake of the engine. The generator system may include a charge air cooler to receive the quantity of air flowing toward the intake of the engine and increase an air charge density of the quantity of air. The generator system may include an exhaust portion to expel exhaust from the engine such that the quantity of air provided by the compressor does not include exhaust expelled by the exhaust portion. The generator system may include an air valve configured to regulate the quantity of air flowing toward the intake of the engine.
    Type: Grant
    Filed: February 7, 2017
    Date of Patent: December 17, 2019
    Assignee: Kohler Co.
    Inventors: Bryan Finn, Billy Brandenburg, Joshua Salley, Pezaan S. Patrawala
  • Patent number: 10508591
    Abstract: Methods and systems are provided for adjusting an active casing treatment of a compressor responsive to a predicted engine condition. In one arrangement, a controller may actuate a sleeve of a variable geometry compressor casing to a position selected based on each of a compressor pressure ratio and a mass flow through the compressor, as well as driver behavior and predicted road conditions; and adjust each of an EGR actuator and a boost actuator based on the selected position to maintain the compressor pressure ratio during the actuating.
    Type: Grant
    Filed: July 18, 2017
    Date of Patent: December 17, 2019
    Assignee: Ford Global Technologies, LLC
    Inventors: Devesh Upadhyay, Michiel J. Van Nieuwstadt, David R. Hanna, Leon Hu
  • Patent number: 10502151
    Abstract: Methods and systems are provided for expediting exhaust particulate filter regeneration. In one example, an engine controller may generate an exotherm at the filter by operating engine cylinders with air-fuel imbalance while using electric assist to a turbocharger to meet a torque demand and raise an intake airflow to enhance the effect of the exotherm. Once heated, the filter may be regenerated by flowing extra air to the exhaust via an air pump and injecting extra fuel to an exhaust passage via an exhaust injector.
    Type: Grant
    Filed: July 26, 2017
    Date of Patent: December 10, 2019
    Assignee: Ford Global Technologies, LLC
    Inventors: Tyler Kelly, Douglas Raymond Martin, Julia Helen Buckland, John Eric Rollinger, Benjamin M. Rocci, Michiel J. Van Nieuwstadt, Anil Shah, Emil G. Serban