Patents Examined by John Kwon
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Patent number: 11781497Abstract: A transport power system is provided. The transport power system includes a prime mover separate from another prime mover used for operating a vehicle, an absolute pressure sensor configured to sense an absolute pressure, and a controller. The controller is configured to determine an altitude of the transport power system based on a first absolute pressure sensed during a start-up sequence of the transport power system prior to running of the prime mover, adjust a power output upper limit for the prime mover based on the determined altitude, and control an operation of the prime mover of the transport power system not to exceed the adjusted power output upper limit.Type: GrantFiled: June 7, 2022Date of Patent: October 10, 2023Assignee: Thermo King LLCInventors: James Goodsell, Adam B Carey
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Patent number: 11781500Abstract: A method is disclosed of controlling operation of a fuel injector in response to measuring a quantity of fuel injected by the fuel injector from a fuel accumulator to an engine cylinder during operation of a fuel pump that delivers fuel to the accumulator, comprising: determining an average pressure of the fuel accumulator during a first time period before a fuel injection event; predicting a mass of fuel delivered to the fuel accumulator during a pumping event (Qpump); determining an average pressure of the fuel accumulator during a second time period after the fuel injection event; estimating a leakage of fuel; computing the injected fuel quantity by adding the average pressure during the first time period to Qpump, and subtracting the average pressure during the second time period and the leakage; and using the computed injected, fuel quantity to control operation of the fuel injector.Type: GrantFiled: September 28, 2022Date of Patent: October 10, 2023Assignee: Cummins Inc.Inventors: Tommy J. Albing, David Michael Carey
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Patent number: 11781474Abstract: A hydrogen-oxygen gaseous fuel generating equipment applied to internal combustion engines including a hydrogen and oxygen gas (H2-O2) generation circuit having a main water tank with at least one outlet duct of the fluid to a set of plates and conducted the fluid to a section of supply pipe to an input connector of an electrolyzer equipment associated with a pair of connector terminals, powered by an electrical energy source defined by a set having an electric accumulator, as a power supply of the set of plates where a mixture of oxygen hydrogen is extracted is derived to the decanter tank where it is separated from the water and the oxygen gas is ready for injection into the motor.Type: GrantFiled: April 26, 2022Date of Patent: October 10, 2023Inventor: Guillermo Alejandro Serrano Villagra
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Patent number: 11773792Abstract: A multi-fuel injector includes a primary fuel inlet configured to receive a liquid primary fuel, a pilot fuel inlet configured to receive a liquid pilot fuel that is a different fuel than the primary fuel, and a spill valve in fluid communication with the primary fuel inlet. The fuel injector also includes a control valve configured to control a pressure of fluid within a hydraulic control chamber, and an injection valve abutting the hydraulic control chamber, the injection valve being configured to move to an injection position to inject both the primary fuel and the pilot fuel.Type: GrantFiled: December 1, 2022Date of Patent: October 3, 2023Assignee: Caterpillar Inc.Inventors: Dana R. Coldren, Eric L. Schroeder, Robert Graumueller, Andrew O. Marrack
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Patent number: 11773832Abstract: A seal assembly between first and second passages of an engine block and a gear box assembly of a reciprocating engine. The seal assembly includes a conduit having a first end portion disposed inside of the first fluid passage and a second end portion disposed outside of the first fluid passage in fluid communication with the second passage of the gear box assembly. The seal assembly includes a collar disposed about the second end portion of the conduit, and a radial sealing interface disposed between an outer conduit surface of the conduit and an inner collar surface of the collar, wherein the radial sealing interface supports a first radial seal. The seal assembly includes an axial sealing interface disposed between an axial face of the collar and an opposing axial face of the gear box assembly, wherein the axial sealing interface supports a face seal.Type: GrantFiled: March 3, 2022Date of Patent: October 3, 2023Assignee: Innio Waukesha Gas Engines Inc.Inventor: Julian R. Knudsen
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Patent number: 11773810Abstract: The present description provides low DBL bleed emission performance properties that allows the design of evaporative fuel emission control systems that are simpler and more compact than those possible by prior art by inclusion of a vent-side volume comprising a parallel passage adsorbent such as a carbon honeycomb with narrow channel width and low cell pitch.Type: GrantFiled: September 28, 2022Date of Patent: October 3, 2023Assignee: INGEVITY SOUTH CAROLINA, LLCInventors: Stephan Charles Cronin, Marta Leon Garcia, Laurence H. Hiltzik, Eyma Y. Marrero-Alfonso, Erik W. Versen, James R. Miller, Roger S. Williams
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Patent number: 11767799Abstract: A system comprising a distribution grid (2) for a fuel, combustion engines (3), which are coupled with the distribution grid (2) and are configured to combust the fuel, and a computer system (4) comprising data connections (5) to the combustion engines (3) and a data storage device (6), wherein the computer system (4) is configured to receive engine operation parameters stemming from an operation of the combustion engines (3) at a first time and/or during a first time period via the data connections (5) and geographical data of the combustion engines (3) are stored in the data storage device (6), wherein the computer system (4) has a processor (7) which is configured to compute a prediction for at least one characteristic parameter of the fuel at a second time and/or during a second time period later than the first time and/or the first time period and with respect to a geographical location, and the computation of the prediction being based on the geographical data and the engine operation parameters of tType: GrantFiled: December 23, 2019Date of Patent: September 26, 2023Assignee: Innio Jenbacher GmbH & Co OGInventors: Michael Waldhart, Oliver Baptista, Herbert Kopecek
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Patent number: 11767813Abstract: A fuel vapor storage canister including an integral fuel trap is provided. The fuel trap includes bifurcated chambers with the dual purpose of trapping liquid trace and attenuating noise entering the canister shell and tank line. The upper chamber includes a baffle to block and collect liquid trace, the liquid trace falling through an opening in a partition for collection in a fuel trace collector. The fuel trace collector is suitably positioned within the lower chamber, immediately beneath the opening, and includes a cavity and a venturi. The venturi creates a region of low pressure during purging, which evacuates the cavity by suction. The cavity optionally includes an activated carbon billet, which maintains the pressure level in the fuel vapor line above a predetermined minimum value and which aids in converting the liquid trace to fuel vapor as well as in further attenuating noise escaping into the tank line.Type: GrantFiled: January 7, 2022Date of Patent: September 26, 2023Assignee: Delphi Technologies IP LimitedInventor: Ravish S. Masti
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Patent number: 11762349Abstract: A system for controlling building equipment determines a degradation factor for a first asset of the building equipment by comparing a design curve for the first asset and operational data for the first asset. The design curve includes a plurality of data points that define an operation of the first asset. The system generates an operational curve for the first asset by derating the design curve based on the degradation factor and operates the building equipment based on the operational curve.Type: GrantFiled: November 7, 2022Date of Patent: September 19, 2023Assignee: JOHNSON CONTROLS TYCO IP HOLDINGS LLPInventors: Ryan A. Baumgartner, Ryan C. Beaty, Shawn A. Schlagenhaft, Homero L. Noboa, Matthew J. Asmus
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Patent number: 11761398Abstract: Systems and methods for estimating an engine event location are disclosed herein. In one embodiment, a control system is configured to receive feedback from at least one vibration sensor coupled to a reciprocating engine, estimate an engine parameter based at least on the feedback and an Empirical Transform Function (ETF), estimate a location of an engine event based on the engine parameter, and adjust operation of the reciprocating engine based at least on the location of the engine event.Type: GrantFiled: March 30, 2021Date of Patent: September 19, 2023Assignee: AI Alpine US Bidco Inc.Inventors: Marco Guerriero, Jeffrey Jacob Bizub, Brett Alexander Matthews
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Patent number: 11761358Abstract: An exhaust valve includes a toroidal surface about an axis of rotation of the valve. The toroidal surface is positionable over a central exhaust port of an engine when lowered. The valve is raised by an actuator in response to increasing rotational speed of the crankshaft of the engine, thereby enlarging and raising the effective opening of the exhaust port. Lateral valve surfaces on either side of the toroidal surface close lateral exhaust ports when the valve is lowered. The lateral valve surfaces may be cylindrical and formed on fins.Type: GrantFiled: May 13, 2022Date of Patent: September 19, 2023Assignee: ARCTIC CAT INC.Inventors: Carson Price, Jeremy Mammen
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Patent number: 11763682Abstract: A computer is programmed to allocate a plurality of electric vehicles with associated electric machines to locations to perform tasks based on the charges of the electric vehicles and electric machines and expected energy consumptions of the electric vehicles traveling to the locations and of the electric machines performing the tasks at the locations; and in response to a sum of the charges of a first electric vehicle and the electric machines associated with the first electric vehicle being less than a sum of the expected energy consumptions of the first electric vehicle traveling to a first location and of the electric machines associated with the first electric vehicle performing the tasks at the first location, instruct a second electric vehicle to travel to a second location at which the first electric vehicle will be located.Type: GrantFiled: September 17, 2021Date of Patent: September 19, 2023Assignee: Ford Global Technologies, LLCInventors: Stuart C. Salter, Ryan O'Gorman, Timothy Harris, Peter Phung, Katherine Howard-Cone
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Patent number: 11752463Abstract: An adsorber element for a filter system is provided with a frame that has a base plate and one or more rigid support elements that project away from the base plate. An adsorber medium is disposed at the frame and arranged at least in sections of the base plate and at least in sections of the one or more rigid support elements. The filter system has a housing with an inlet and an outlet. The filter system is flowed through by a gaseous fluid from the inlet to the outlet. A filter element is arranged in the housing between inlet and outlet. The adsorber element is arranged in the housing preferably downstream of the filter element.Type: GrantFiled: December 10, 2020Date of Patent: September 12, 2023Assignee: MANN+HUMMEL GmbHInventors: Timo Dirnberger, Bernd Joos, Christopher Listl, Mathias Hoesl
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Patent number: 11754015Abstract: The disclosure relates to a method for operating an internal combustion engine which has at least one injector and in which a correction of fuel injection quantity is implemented. For the correction of the fuel injection quantity, different properties of the injector in the ballistic working range thereof and in the linear working range thereof are evaluated. A total injection quantity of the injector demanded in an operating cycle is divided into a number of smaller, equal partial injection quantities implemented as partial pulses, and an evaluation of the pressure drops triggered by the partial pulses is performed in the correction of the fuel injection quantity. The disclosure furthermore relates to a device for operating an internal combustion engine which has at least one injector and in which a correction of the fuel injection quantity is implemented.Type: GrantFiled: March 23, 2022Date of Patent: September 12, 2023Assignee: Vitesco Technologies GmbHInventor: Uwe Jung
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Patent number: 11753988Abstract: Internal combustion engines, including engines producing power from solid or slow burning fuel(s), such as biological-based or petroleum-based fuels, wood, corn, biomass, coal, and waste products, and/or possibly other liquid or gaseous fluids, as well as methods for operating or implementing such engines, are disclosed herein. In an example embodiment, the engine includes a crankshaft, a piston, a cylinder having an internal cavity and several ports, and an assembly having a chamber having a first region within which solid fuel can be situated and combusted. The assembly further includes a diverter valve so that, depending upon a setting of the valve and during engine operation, first and second amounts of compressed air respectively proceed to the first region and to bypass the first region, and a combination of combustion products and the second amount proceeds via one of the ports to the part of the internal cavity.Type: GrantFiled: November 29, 2019Date of Patent: September 12, 2023Inventor: David L. Stenz
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Patent number: 11754016Abstract: A fuel injection control device and a fuel injection control method for an internal combustion engine according to the present invention correct a basic pulse width by a cylinder-specific correction value that is based on injection variations among fuel injection valves to specify a cylinder-specific pulse width, determine whether or not a split number is acceptable based on a minimum pulse width and a pulse width per one injection calculated from the cylinder-specific pulse width and the split number to modify the split number based on a result of the acceptance determination, modify an acceptance determination reference value which is used in the acceptance determination based on the correction value for each cylinder, and execute split injection based on the split number, the basic pulse width, and the correction value for each cylinder.Type: GrantFiled: March 9, 2021Date of Patent: September 12, 2023Assignee: Hitachi Astemo, Ltd.Inventors: Kazuya Saito, Hiroshi Miyamoto
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Patent number: 11746718Abstract: A control device includes a controller configured to: obtain a driving condition and an actual value of a controlled amount of an engine; use a transformed engine model to calculate an estimate value of a future controlled amount, from the obtained driving condition and a candidate value of an operation amount for controlling the controlled amount, the transformed engine model in which an activation function of each neuron is transformed using a linear inequality function having a binary variable, the transformed engine model for which a weight coefficient, bias, and upper and lower limits of an input/output variable of the each neuron are set based on an engine model that has a multilayer neural structure and the activation function of a ReLU structure, receives the driving condition and operation amount as input, and predicts dynamic characteristics of the engine; determine a value of the operation amount, based on error between the calculated estimate value and a target value of the controlled amount identType: GrantFiled: October 25, 2022Date of Patent: September 5, 2023Assignees: TRANSTRON INC., KOGAKUIN UNIVERSITYInventors: Masatoshi Ogawa, Takuma Degawa, Masakazu Mukai, Shigeaki Kurita
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Patent number: 11746693Abstract: A system may include a natural gas engine; and a hydrodynamic device configured to convert mechanical energy of the natural gas engine into heat in a working fluid within the hydrodynamic device. The amount of fluid in the hydrodynamic device may be controlled by an electronically controllable valve, and the amount of fluid in the hydrodynamic device may control a resistive force of the hydrodynamic device. The system may also include a controller in communication with the natural gas engine and the hydrodynamic device, where the controller may be configured to automatically adjust the electronically controllable valve to maintain a working load on the natural gas engine at or above a threshold load.Type: GrantFiled: March 4, 2022Date of Patent: September 5, 2023Assignee: SMITH POWER PRODUCTS, INC.Inventors: Micky Warren, Christopher Fleming, Michael Smith, John De La Hunt
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Patent number: 11739719Abstract: A fuel injector interface device and associated method include an interface device having a plurality of input leads and a plurality of output leads. The input leads are communicatively linked to the fuel pressure sensor on the common rail of a vehicle fuel injection system. The output leads are communicatively linked to a display device such as a diagnostic scope. Circuitry positioned within the interface device detects the rail pressure signals, filters the signals, and outputs data to the display device representing a graphical depiction of the same. A method of using the interface device includes generating the signals, mapping the signals to an individual fuel injector of the vehicle's engine cylinder and determining fluctuations in the strength of the displayed signals to determine anomalies in a particular fuel injector.Type: GrantFiled: April 11, 2022Date of Patent: August 29, 2023Inventor: Randal S. Nichols
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Patent number: 11739702Abstract: A residual gas ignitor for use in igniting a fuel-air mixture within a main combustion chamber of an engine. The residual gas ignitor includes at least one inlet/outlet port, a residual gas ignitor chamber for receiving a combustion gas from the main combustion chamber, an ignitor valve for opening and closing the at least one inlet/outlet port, an actuator for actuating the ignitor valve to open and close the at least one inlet/outlet port, a valve guide for keeping the ignitor valve in a correct orientation within the residual gas ignitor, a preload spring for being in compression when the actuator disposes the ignitor valve into the closed position, and a heating element for maintaining or increasing a temperature of the combustion gas while the combustion gas is in the residual gas ignitor chamber. The residual gas ignitor may be used in engines for initiating combustion of fuel-air mixtures.Type: GrantFiled: February 23, 2021Date of Patent: August 29, 2023Assignee: ARAMCO SERVICES COMPANYInventors: Xin Yu, Dave Cleary