Patents Examined by Mark L Greene
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Patent number: 12005871Abstract: A method and an apparatus for braking control for autonomous parking are disclosed. According to at least one embodiment, the present disclosure provides an apparatus for controlling braking of a vehicle to cause the vehicle to follow a target route generated in advance, including a biased braking control initiating unit configured to determine whether the target route satisfies a condition for initiating biased braking control, a biased braking amount determining unit configured to determine a ratio of a braking pressure to be applied to respective wheels of the vehicle based on the target route in response to determining that the target route satisfies the condition for initiating the biased braking control, and a control unit configured to perform braking control of the vehicle based on the ratio of the braking pressure.Type: GrantFiled: March 2, 2022Date of Patent: June 11, 2024Assignee: HYUNDAI MOBIS CO., LTD.Inventor: Beom Cheol Shin
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Patent number: 11994083Abstract: A fuel system for an internal combustion engine includes a fuel control system having a fueling control unit structured to determine a test point on a tip wear-sensitive region of a fuel injector delivery curve, and store measurements of pressure drops in a pressurized fuel reservoir caused by injections of fuel at the test point. The fueling control unit is further structured to produce an injector health signal based on the stored measurements of pressure drop. Related methodology and control logic for calculation of wear parameters for injection signal duration electronic trimming and prognostic health determinations are also disclosed.Type: GrantFiled: August 23, 2022Date of Patent: May 28, 2024Assignee: Caterpillar Inc.Inventors: Daniel Reese Puckett, Andrew Marrack, Bradley Scott Bashore
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Patent number: 11994055Abstract: Methods and systems using model based and iterative calculations of mass flow throughout an internal combustion engine system. A secondary air injection valve is provided to selectively allow intake air to pass to the exhaust side of the engine system to aid in exothermic reaction with exhaust gasses exiting the engine for various purposes. The iterative calculations of mass flow include estimation of the mass flow through the secondary air injection valve.Type: GrantFiled: May 23, 2023Date of Patent: May 28, 2024Assignee: Garrett Transportation I Inc.Inventors: Paul Dickinson, Ondrej Santin, Malay C. Maniar
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Patent number: 11987242Abstract: A lane departure prevention device includes a control unit that executes lane keeping control (automatic steering of a steering wheel and/or issuing of a warning) when it is determined that a vehicle may move out of a lane. The control unit withholds execution of the lane keeping control until it is determined that a return-to-control condition is satisfied when it is determined that a driver has gone from showing no intention to move out of the lane to showing an intention to move out of the lane to cross a first lane boundary. The control unit continues, when it is determined that the vehicle is approaching a second white line present in a traveling direction with a speed equal to or faster than a reference value, continues withholding the execution of the lane keeping control even when it is determined that the return-to-control condition is satisfied.Type: GrantFiled: March 25, 2022Date of Patent: May 21, 2024Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHAInventor: Kazuki Itazuri
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Patent number: 11985791Abstract: An adjustable cooling duct for improved facility (e.g., data center) cooling is disclosed. In one embodiment, the cooling duct comprises a cylindrical flexible membrane (e.g., fabric) having a first annular end and a second annular end, and a cincture mechanism connected around the perimeter of the cylindrical flexible membrane between the first annular end and the second annular end. The cincture mechanism may be motorized and that may be controlled by a management computer based on pressure sensor readings. The cincture mechanisms may be automated for coordinated control of multiple ducts in parallel by the management computer based on environmental sensor readings to improve facility cooling.Type: GrantFiled: September 16, 2021Date of Patent: May 14, 2024Assignee: CORE SCIENTIFIC, INC.Inventor: Lawrence Kom
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Patent number: 11976500Abstract: A power-supply control system includes: a lock control unit that controls a door-lock device; and a travel control unit that controls a travel operating unit related to either driving the power of the vehicle, braking the vehicle, or steering the vehicle. A lock high-level control unit, in a state in which supply of electric power to the lock control unit, the travel operating unit, and the travel control unit is stopped, while the first trigger signal is not outputted from an operation unit, makes electric power not be supplied from a power supply to the lock control unit, the travel operating unit, and the travel control unit, and when the first trigger signal is outputted, starts to supply electric power from the power supply to the lock control unit and the door-lock device and makes the lock control unit execute control to unlock the door-lock device.Type: GrantFiled: January 19, 2022Date of Patent: May 7, 2024Assignee: HONDA MOTOR CO., LTD.Inventors: Hisahiro Kato, Toshibumi Shiohata
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Patent number: 11971080Abstract: An internal combustion engine includes a crankcase in which a crankshaft is rotatably mounted in bearings including bearing covers, to which at least one connecting rod carrying a piston is linked. The piston is movable in a cylinder covered by a cylinder head forming a combustion chamber and gas exchange valves are arranged in the cylinder head, which are actuated by at least one camshaft, which is connected to a gear train gear wheel situated on the crankshaft via a differential gear. A mass differential gear including two balance shafts is present. The mass differential gear is situated in a gear frame and attached to the crankcase below the crankshaft and driven by a mass shaft drive gear situated on the crankshaft, which is arranged axially essentially next to the gear train gear wheel/idler gear. The gear train gear wheel/idler gear is arranged on the main bearing cover.Type: GrantFiled: April 14, 2020Date of Patent: April 30, 2024Assignee: Deutz AktiengesellschaftInventors: Joachim Joisten-Pieritz, Toni Kleinschmidt
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Patent number: 11959435Abstract: A method of operating an engine includes operating the engine in first and second engine operating map regions by performing passive jet ignition combustion with a first stoichiometric fuel mixture and a first volume of residual gas. The engine is operated in a third engine operating map region by performing turbulent jet controlled compression ignition (TJCCI) with an ultra lean fuel mixture and a first volume of cooled exhaust gas recirculation, a fourth engine operating map region by performing passive jet ignition combustion with a third stoichiometric fuel mixture and a second volume of cooled exhaust gas recirculation, and a fifth engine operating map region, characterized by shutting off the engine. The engine is operated in a mode transition region between the second, third, and fourth engine operating map regions by performing passive jet ignition combustion with a second stoichiometric fuel mixture and a second volume of residual gas.Type: GrantFiled: October 27, 2022Date of Patent: April 16, 2024Assignee: SAUDI ARABIAN OIL COMPANYInventors: Xin Yu, Anqi Zhang, Yu Zhang, Andrew Baur, David Cleary
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Patent number: 11959444Abstract: A boot includes an annular body that defines a thru-bore with a thru-bore diameter, and a bore axis. The boot further defines an overall axial length, an exterior, a first axial end, a second axial end, and an aperture that radially extends from the thru-bore to the exterior.Type: GrantFiled: August 25, 2022Date of Patent: April 16, 2024Assignee: Caterpillar Inc.Inventors: Eric Donald Wiebrecht, William J. Barnes
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Patent number: 11958413Abstract: A foreign object detecting system and a method are provided. A control circuit controls a light transmitter and a light receiver. The light transmitter is disposed adjacent to a detected object and emits a light signal toward the detected object. The light receiver is disposed adjacent to the detected object in a path along which the light signal reflected by the detected object travels. The light receiver receives the light signal reflected to the light receiver. In a pre-operation, the control circuit defines the light signal received by the light receiver when the foreign object is not on the detected object as a first reflected light signal. In a detection operation, the control circuit determines that a difference exists between the light signal currently received by the light receiver and the first reflected light signal, the control circuit determines that the foreign object is on the detected object.Type: GrantFiled: April 8, 2020Date of Patent: April 16, 2024Assignee: ANPEC ELECTRONICS CORPORATIONInventors: Yi-Chuan Lu, Chih-Heng Su
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Patent number: 11946430Abstract: Controlling a fuel injector in a fuel system for an engine includes switching between a boosted voltage power supply and a lower voltage power supply during energizing a solenoid actuator in a fuel injector, and generating a solenoid energizing waveform including a pull-in tier produced by a boosted voltage incipient current, a boosted voltage second current, and a lower voltage later current, based on the switching between a boosted voltage power supply and a lower voltage power supply. Controlling a fuel injector further includes detecting an arrival timing of the valve based on a property of the lower voltage later current, and electronically trimming the fuel injector based on the detecting an arrival timing. Related control system logic is also disclosed.Type: GrantFiled: December 22, 2021Date of Patent: April 2, 2024Assignee: Caterpillar Inc.Inventors: Mitchell B Juchems, Daniel Reese Puckett
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Patent number: 11939931Abstract: An internal combustion engine controller comprising a memory and a processor is provided. The memory is configured to store a plurality of control maps, each control map defining a hypersurface of actuator setpoints for controlling an actuator of the internal combustion engine based on a plurality of input variables to the internal combustion engine controller. The processor comprises an engine setpoint module and a map updating module. The engine setpoint module is configured to output a control signal to each actuator based on a location on the hypersurface of the respective control map defined by the plurality of input variables. The map updating module is configured to calculate an optimised hypersurface for at least one of the control maps. The optimised hypersurface is calculated based on a real-time performance model of the internal combustion engine comprising sensor data from the internal combustion engine and the plurality of input variables.Type: GrantFiled: April 20, 2020Date of Patent: March 26, 2024Assignee: Perkins Engines Company LimitedInventors: Gavin Williams, Peter Ladlow, Max Best, Mark Scaife
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Patent number: 11938776Abstract: An active suspension control system for a vehicle includes a mathematical model based on a modal expansion of the vehicle. Model parameters of the vehicle can be extracted from the modal expansion using sensor data generated on the vehicle, e.g., on demand and/or in real time. The model parameters and the modal expansion can be used to determine a vehicle state, predict future vehicle states, and control aspects of an active suspension system based on the predicted future vehicle states. The model parameters may also be used to update the mathematical model, e.g., to account for component wear over time, and/or to detect anomalies or defects in the active suspension system.Type: GrantFiled: February 14, 2022Date of Patent: March 26, 2024Assignee: Zoox, Inc.Inventors: Alexandre Nunes, Johannes Edren
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Patent number: 11939731Abstract: The invention relates to a self-propelled ground milling machine, in particular a road cold milling machine, stabilizer or recycler, comprising a milling device for milling the ground at a milling depth, a machine frame supported by front and rear travel units, an internal combustion engine arranged in an engine compartment, a hydraulic system with at least two hydraulic pumps, a pump transfer gear and a hydraulic tank, and an operator platform.Type: GrantFiled: April 5, 2022Date of Patent: March 26, 2024Assignee: BOMAG GMBHInventor: Nils Muders
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Patent number: 11933242Abstract: Provided are an exhaust gas monitoring system and method for allowing a driver to monitor a state of an exhaust gas discharged from a vehicle during driving without getting out of the vehicle, thus improving convenience, and improving driving safety by diagnosing a state of an engine.Type: GrantFiled: December 26, 2022Date of Patent: March 19, 2024Assignee: HYUNDAI MOBIS CO., LTD.Inventor: Jae Young Lee
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Patent number: 11933241Abstract: A fuel delivery system for a vehicle having an engine configured to selectively operate between a port fuel injection (PFI) mode, a gasoline direct injection (GDI) mode, and a port and direct fuel injection (PDI) mode. The fuel delivery system includes a PFI system including plurality of PFI injectors configured to supply fuel to the engine during the PFI mode, and a GDI system including a plurality of GDI injectors configured to supply fuel to the engine during the GDI mode. A fuel system monitor is configured to monitor the fuel delivery system when operating in the PFI mode, and attribute any fuel delivery system malfunctions occurring during the PFI mode to the PFI system alone, and monitor the fuel delivery system when operating in the GDI mode, and attribute any fuel delivery system malfunctions occurring during the GDI mode to the GDI system alone.Type: GrantFiled: August 4, 2022Date of Patent: March 19, 2024Assignee: FCA US LLCInventors: Nicholas Firsich, Tyler S Blake, Francesco Berti, Alex Eskenazi-Gold, Vadiraj P Kulkarni
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Patent number: 11926308Abstract: Systems and methods for operating an internal combustion engine that is coupled to a power split transmission are described. In one example, the internal combustion engine is operated in a speed control mode or a torque control mode in response to a braking torque and a transmission shift command. Operating the engine in the torque control mode may allow the engine to charge a battery while a neutral transmission state is selected.Type: GrantFiled: March 7, 2022Date of Patent: March 12, 2024Assignee: Ford Global Technologies, LLCInventors: Stephen Shen, William David Treharne, Carol Louise Okubo
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Patent number: 11920536Abstract: A fuel pump system for aircraft includes an auxiliary fuel pump in-line with the primary pump, and an electric motor driving the auxiliary fuel pump at an operational motor speed. The system includes an electric control circuit (ECC) and a pressure sensor to regulate the speed of the electric motor based on the output pressure from the sensor to maintain a constant predetermined output pressure. The system may have additional fault mitigation circuitry configured to automatically switch from a processor-controlled to a fixed voltage as a source of power driving the electric motor at either a regulated speed or a constant fixed speed, respectively. The system may include a switch having user-selectable operational modes, including ECC-controlled mode and a high boost mode selectable if the ECC fails. In high boost mode, the ECC is bypassed to drive the electric motor at a fixed safe speed.Type: GrantFiled: May 17, 2022Date of Patent: March 5, 2024Inventors: Gary Schultz, Conrad P. Lindberg, Charles Duffie
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Patent number: 11913398Abstract: An engine control device includes a model that, based on engine operating condition and first-type operation amount, reproduces at least one index from among various indexes of combustion state of engine, and a processor that executes a process including deciding on second-type operation amount, by optimization using the model so as to treat at least one of the indexes, which are reproduced by the model, as estimated value of control amount, and ensure that the estimated value of the control amount follows control target value, associating the second-type operation amount with the control target value and the engine operating condition, rewriting a learning control table in which operation amount corresponding to the control target value and the engine operating condition is registered, and calculating operation amount according to the learning control table based on the control target value and the engine operating condition.Type: GrantFiled: September 21, 2022Date of Patent: February 27, 2024Assignee: TRANSTRON INC.Inventors: Masatoshi Ogawa, Takuma Degawa
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Patent number: 11913392Abstract: A method, system, and apparatus use infrared spectrometry onboard an internal combustion engine running on a natural gas fuel to detect characteristics of the fuel. At a site having a plurality of natural gas engines, detection of natural gas fuel components and concentrations of the components also is conducted at the site upstream of the point of intake of the natural gas fuel to one or more of the engines. Operating parameters of the engine or a plurality of the engines may be controlled on the basis of the detected composition of the natural gas fuel.Type: GrantFiled: September 27, 2021Date of Patent: February 27, 2024Assignee: Cummins Inc.Inventors: Carlos Alcides Lana, Yilun Liu, Philipe F. Saad, Ganesh Raghunath