Patents Examined by John Kwon
-
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
-
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
-
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
-
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
-
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
-
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
-
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
-
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
-
Patent number: 11731633Abstract: A method of operating a vehicle, comprising: receiving ambient air information; receiving size, distance and relative velocity information about a vehicle in proximity to the vehicle; receiving road surface properties information; receiving wind velocity and direction information; computing an air density ratio factor using the ambient air information; computing an aerodynamic drag ratio factor using the size, distance and relative velocity information; computing a rolling resistance ratio factor using the information road surface properties information; computing effective velocity of the vehicle using the wind velocity and direction information; combining at least one of the air density ratio factor, the aerodynamic drag ratio factor and the rolling resistance ratio factor with vehicle loss coefficients to determining new vehicle loss coefficients; computing an energy loss or power loss of the vehicle using the new vehicle loss coefficients and the effective velocity of the vehicle; and controlling the vehiType: GrantFiled: September 14, 2018Date of Patent: August 22, 2023Assignee: Cummins Inc.Inventor: Pinak Jayant Tulpule
-
Patent number: 11732671Abstract: A method for controlling the total injection mass per working cycle during a multiple injection operation of a fuel injector of an internal combustion engine is provided. In the method, an injection mass difference is determined from individual injection pulse to individual injection pulse, and transferred to the next individual injection pulse, in stepwise fashion. The injection mass difference remaining in the penultimate individual injection pulse is transferred to the final individual injection pulse to achieve a total injection mass with improved tolerance.Type: GrantFiled: March 16, 2022Date of Patent: August 22, 2023Assignee: Vitesco Technologies GmbHInventors: Gerd Rösel, Peter Senft
-
Patent number: 11733691Abstract: Methods and systems are provided for user controlled engine revving. In one example, the engine may be revved to a peak speed according to a target revving sequence in response to a user-initiated command. A revving sound may be provided in response to an input device, without demanding manual depression of an accelerator pedal.Type: GrantFiled: November 3, 2020Date of Patent: August 22, 2023Assignee: Ford Global Technologies, LLCInventors: Douglas Martin, Shane Zimmer, John Rollinger, Vincent Martinez, Scott Thompson
-
Patent number: 11725618Abstract: Arrangement comprising: a chamber that is formed between a first receptacle and a second receptacle for a rod-shaped element, wherein the receptacles open out to the chamber on opposite end-face sides thereof; a rod-shaped element that is accommodated in the receptacles via a respective section with radial play, in this regard with a receptacle radial play, the rod-shaped element passing through the chamber; and an annular body that is situated in the chamber and through which the rod-shaped element passes with radial play, in this regard an annular body radial play, wherein the annular body radial play is less than the receptacle radial play, wherein the arrangement has a first media side and a second media side that are connected to the chamber via the first receptacle and second receptacle, respectively, wherein the annular body is provided to be pressed into contact against an end-face side of the chamber.Type: GrantFiled: January 25, 2018Date of Patent: August 15, 2023Assignee: Woodward L'Orange GmbHInventors: Enrico Bärow, Ingmar Berger, Michael Nitsche
-
Patent number: 11725545Abstract: A combustion engine for a vehicle includes a device for changing the timing of suction/relief valves with respect to the drive shaft. The device includes a first disc idly mounted to the camshaft and has a first side defining first slot tracks. A second disc is integral with the camshaft and includes second slot tracks facing the first side of the first disc. Drive elements transmit motion between the first disc and the second disc and each is accommodated between corresponding two of the partially facing tracks. As centrifugal forces caused by the rotation speed of the camshaft changes, each drive elements moves between a first reference position and a second reference position which are close to and far from the rotation axis of the camshaft, respectively. A phase changer device exerts a force which tends to oppose movement of said drive elements towards the second reference position.Type: GrantFiled: September 11, 2020Date of Patent: August 15, 2023Assignee: PIAGGIO & C. S.P.A.Inventor: Walter Mariotti
-
Patent number: 11724563Abstract: A vehicle control device includes a controller configured to execute: receiving a remote signal containing a target temperature in a cabin and an expected traveling start time of a vehicle from a remote controller used by a user of the vehicle; calculating a catalyst warming period which is an estimated period required to warm, to an active temperature, an electrically heated catalyst; calculating a pre-air conditioning period which is an estimated period required to adjust a temperature in the cabin to the target temperature; and starting pre-air conditioning of the cabin by starting an internal combustion engine after completion of warming of the electrically heated catalyst when a sum of the catalyst warming period and the pre-air conditioning period is equal to or shorter than a starting time margin from a time of reception of the remote signal to the expected traveling start time.Type: GrantFiled: February 12, 2021Date of Patent: August 15, 2023Assignees: TOYOTA JIDOSHA KABUSHIKI KAISHA, DENSO CORPORATIONInventors: Hiroyasu Hadano, Takaaki Inokuchi, Tatsunori Katoh, Asuka Marumo
-
Patent number: 11719210Abstract: Embodiments of the present invention provide a controller for a starter motor operable to receive a first input indicative of an engine shutdown being required, a second input indicative of a change-of-mind event having occurred after initiation of engine shutdown and a third input indicative of the engine position. After receipt of the first input the controller is operable to monitor the third input and to determine an expected engine rotation direction indicative of the expected rotation direction of the engine after a predetermined delay. If the expected engine rotation direction is positive and the second input is received then the controller is configured to control the output means to cause the starter motor of the engine to be actuated upon receipt of the second input.Type: GrantFiled: December 10, 2019Date of Patent: August 8, 2023Assignee: JAGUAR LAND ROVER LIMITEDInventors: Adam Moorcroft, Stephen Stacey, Ian Cooper
-
Patent number: 11719171Abstract: An electronic control method for a throttle by an electronic control throttle device that controls the throttle while an electronic control unit generates a control signal based on an input data signal. The method may include calculating an engine rotation speed deviation from a difference between an engine rotation speed and an input engine rotation speed command, calculating an engine rotational acceleration based on the engine rotation speed, obtaining a proportional torque from a product of the engine rotation speed deviation and a predetermined coefficient, obtaining an integral torque by integrating a value obtained by subtracting a product of the engine rotational acceleration and the predetermined coefficient from the product of the engine rotation speed deviation and the predetermined coefficient, and generating a control signal for the throttle by using a sum of the proportional torque and the integral torque as a value of a torque command.Type: GrantFiled: March 23, 2022Date of Patent: August 8, 2023Inventors: Yuuki Sutoh, Ryuichi Oguro, Norichika Kojima
-
Patent number: 11719154Abstract: Various methods and systems are provided for engine startup. In one example, a method for an engine includes injecting a fuel mixture with a proportion of a first fuel to a second fuel to decrease carbon emissions, in response to detection of or request for the engine to start. The proportion of the first fuel to the second fuel in the injected fuel mixture is decreased in response to engine speed reaching an idling speed. The first fuel may be a non-hydrocarbon-based fuel and the second fuel may be a hydrocarbon-based fuel.Type: GrantFiled: November 17, 2021Date of Patent: August 8, 2023Assignee: Transportation IP Holdings, LLCInventors: Adam Edgar Klingbeil, Thomas Michael Lavertu, Eric Dillen
-
Patent number: 11719213Abstract: Systems and methods for preventing activation of a starter when engine speed is above a threshold engine speed value are disclosed. In examples, an engine driven power system includes an engine and a current transformer to generate an induced current in response to an excitation current from an excitation circuit. As the excitation current is induced in response to rotational movement of the engine, the excitation current and the induced current exhibits characteristics corresponding to engine speed. A control circuit receives a signal from the current transformer representing characteristics representative of engine speed and determines the engine speed, compares the characteristics to a list of values that correlates current characteristics to engine speed, compare a list of threshold engine speed values to the calculated engine speed value, and prevents activation of an engine starter if the control circuitry determines that the engine speed exceeds the threshold engine speed value.Type: GrantFiled: September 28, 2020Date of Patent: August 8, 2023Assignee: Illinois Tool Works Inc.Inventors: Travis Orvedahl, John Steffens
-
Patent number: 11719204Abstract: Provided are a controller integrated type fuel pump module for preventing thermal deformation of a flange and a manufacturing method thereof. An embodiment of the present invention is directed to providing a controller integrated type fuel pump module for preventing thermal deformation of a flange that minimizes heat transfer from a board to the flange through a thermal insulation effect by an air gap by improving a structure in a storage part of a controller to form the air gap between the board and the flange in the controller formed integrally with a fuel pump module, and a manufacturing method thereof.Type: GrantFiled: July 15, 2020Date of Patent: August 8, 2023Assignee: COAVISInventors: Young Sub Jang, Hyug Jin Lee
-
Patent number: 11719173Abstract: The present invention relates to a method for operating an internal combustion engine provided as a medium-speed gas engine or dual fuel engine in a gas fuel mode. The method comprises the step of directly injecting a gas fuel into a combustion chamber of the engine at a maximum injection pressure that is lower than a compression-end pressure of the engine.Type: GrantFiled: November 12, 2020Date of Patent: August 8, 2023Assignee: Caterpillar Motoren GmbH & Co. KGInventor: Robert Graumueller