Patents Examined by Syed O Hasan
  • Filter muffler for an exhaust gas turbocharger of an internal combustion engine
    Patent number: 11486341
    Abstract: A filter muffler includes a front element, a rear element, and a plurality of damping elements arranged between the front element and the rear element, where the damping elements are arranged radially around a central axis of the filter muffler such that a flow channel is formed between adjacent damping elements, where respective outflow-side ends of the damping elements have a diffuser element which has an outflow-side tapering, and where an angle ? between two opposite sides of the diffuser element is selected from a range of 1°???8°.
    Type: Grant
    Filed: January 4, 2019
    Date of Patent: November 1, 2022
    Assignee: ABB Schweiz AG
    Inventors: Heinz-Jürgen Feld, Marcel Joho
  • Nozzle for a fan assembly
    Patent number: 11486413
    Abstract: There is provided a nozzle for a fan assembly. The nozzle comprises an air inlet, a first air outlet for emitting an air flow and a second air outlet for emitting an air flow, the first and second air outlets together defining an aggregate air outlet of the nozzle, a single internal air passageway extending between the air inlet and the first and second air outlets, and a valve for controlling an air flow from the air inlet to the first and second air outlets. The valve comprises one or more valve members that are moveable to adjust the size of the first air outlet relative to the size of the second air outlet while keeping the size of the aggregate air outlet of the nozzle constant, and wherein the air outlets are oriented towards a convergent point.
    Type: Grant
    Filed: June 19, 2019
    Date of Patent: November 1, 2022
    Assignee: Dyson Technology Limited
    Inventors: Timothy Neil Jukes, Neil Ewen Callum MacQueen, Charles Edward Pouget, Joseph Eric Hodgetts, Philip Tennison Reilly, Adam Pinkstone
  • Work vehicle engine with split-circuit lubrication system
    Patent number: 11486277
    Abstract: A lubrication system for an internal combustion engine of a work vehicle includes an engine oil sump and a pump unit fluidly connected to the engine oil sump to receive engine oil therefrom. The pump unit, in turn, includes a first oil pump comprising a variable displacement pump, a second oil pump, a drive line mechanically coupled to the first oil pump and the second oil pump that drives each of the pumps, and a manifold that directs engine oil from the engine oil sump to the first and second oil pumps. A first oil circuit is fluidly coupled to the first oil pump to direct a first flow of engine oil to piston spray jets in the engine and a second oil circuit is fluidly coupled to the second oil pump to direct a second flow of engine oil to one or more oiled engine components in the engine.
    Type: Grant
    Filed: February 26, 2021
    Date of Patent: November 1, 2022
    Assignee: DEERE & COMPANY
    Inventor: Jeffrey Alan Buttjer
  • Internal combustion engine and head gasket for internal combustion engine
    Patent number: 11480132
    Abstract: An internal combustion engine and a head gasket are provided. The internal combustion engine includes a block having at least one cylinder, a head joined to the block at a head interface, a cooling fluid circulation passage extending at least partially through the head and the block and having a first portion disposed in the head and a second portion disposed in the block, a head gasket having a plate extending across the head interface and separating the first portion of the cooling fluid circulation passage from the second portion of the cooling fluid circulation passage, and a plurality of orifices extending through the plate. The plurality of orifices is aligned with the cooling fluid circulation passage and is configured to control a flow of cooling fluid circulating between the first portion of the cooling fluid circulation passage and the second portion of the cooling fluid circulation passage.
    Type: Grant
    Filed: October 12, 2020
    Date of Patent: October 25, 2022
    Assignee: DEERE & COMPANY
    Inventors: Kaleb J. Zimmerman, Jeremy M. Kessens, Douglas S. Brocco, Gregory J. Horton
  • Valve seat insert with soft landing insert design with contoured radii
    Patent number: 11480075
    Abstract: A valve seat insert includes a top convex arcuate blend for improving fluid flow, and a valve seating surface for slowing down valve recession. The valve seating surface includes a radially outer convex arcuate segment defining an outer radius of curvature forming a first wear crown for contacting the valve at an early wear state, a radially inner convex arcuate segment defining an inner radius of curvature forming a second wear crown for contacting the valve at a later wear state, and a linear segment extending between the radially outer convex arcuate segment and the radially inner convex arcuate segment.
    Type: Grant
    Filed: June 10, 2021
    Date of Patent: October 25, 2022
    Assignee: Caterpillar Inc.
    Inventors: Ashwin A. Hattiangadi, Abram M. Ingold, Sanjay Kumar, Adam D. Patrick
  • Snow door integrated in adapter
    Patent number: 11479111
    Abstract: A vehicle has an upper hood duct with an air intake adjoining a hood air intake structure. A lower hood duct is connected to the upper hood duct. An on-engine air cleaner is connected to the lower hood duct. An auxiliary air inlet is arranged in the lower hood duct. The auxiliary air inlet may have an auxiliary air inlet door connected to an auxiliary air inlet door adapter by way of a hinge. The auxiliary air inlet door adapter may be connected to an auxiliary air inlet door adapter base attached to the lower hood duct. An electric or pneumatic actuator may be connected to the auxiliary air inlet door by way of an actuator door connection, and to the auxiliary air inlet door adapter by way of an actuator adapter connection.
    Type: Grant
    Filed: October 30, 2020
    Date of Patent: October 25, 2022
    Assignee: International Engine Intellectual Property Company, LLC
    Inventors: Khawja Naveed, Gary Steven Boone
  • Parabolic combustion engine
    Patent number: 11480130
    Abstract: Methods for making an apparatus comprising a cylinder for an engine having at least one combustion chamber and a squish area disposed at or around a base of the at least one combustion chamber, wherein the at least one combustion chamber comprises a paraboloidal cavity.
    Type: Grant
    Filed: July 6, 2021
    Date of Patent: October 25, 2022
    Inventor: Richard William Condon
  • Heat exchanger apparatus
    Patent number: 11480146
    Abstract: The present invention relates to a heat exchanger apparatus for a combustion engine. The apparatus comprises a heat exchanger comprising at least one magnetic component; and an induction heater positioned adjacent at least one magnetic component of the heat exchanger. The induction heater is connectable to a power supply to provide inductive heating to the heat exchanger.
    Type: Grant
    Filed: May 11, 2017
    Date of Patent: October 25, 2022
    Assignee: VOLVO TRUCK CORPORATION
    Inventors: Gaël Mathieu, Olivier Mery De Montigny
  • Valve seat insert with soft landing insert design with contoured radii
    Patent number: 11473457
    Abstract: A valve seat insert includes a top convex arcuate blend for improving fluid flow, and a valve seating surface for slowing down valve recession. The valve seating surface includes a radially outer convex arcuate segment defining an outer radius of curvature forming a first wear crown for contacting the valve at an early wear state, a radially inner convex arcuate segment defining an inner radius of curvature forming a second wear crown for contacting the valve at a later wear state, and a linear segment extending between the radially outer convex arcuate segment and the radially inner convex arcuate segment.
    Type: Grant
    Filed: June 10, 2021
    Date of Patent: October 18, 2022
    Assignee: Caterpillar Inc.
    Inventors: Ashwin A. Hattiangadi, Abram M. Ingold, Sanjay Kumar, Adam D. Patrick
  • Intake manifold
    Patent number: 11473539
    Abstract: An intake manifold includes a surge tank, an inlet pipe, and intake pipes. The surge tank includes a curved portion and a bulging portion. The curved portion forms a curved outer wall of the surge tank and includes an inner surface that is continuous with inner surfaces of entrances of the intake pipes. The bulging portion bulges into the surge tank toward the curved portion and overlaps with an imaginary extension of an exit of the inlet pipe into the surge tank. The bulging portion includes a flow changing portion. The flow changing portion is configured to direct a flow of intake air toward a section that is more interior into the surge tank than the bulging portion in relation to the inlet pipe and located on part of the inner surface of the surge tank that is continuous with the inner surface of the curved portion.
    Type: Grant
    Filed: April 15, 2022
    Date of Patent: October 18, 2022
    Assignee: TOYOTA BOSHOKU KABUSHIKI KAISHA
    Inventor: Kunitaka Maeda
  • Vehicular internal combustion engine
    Patent number: 11466611
    Abstract: A vehicular internal combustion engine is equipped with a supercharger, a drain pipe for draining lubricating oil in the supercharger, a cylinder block including a first oil passage, and a PCV separator including a second oil passage connected to an outlet of the drain pipe and an inlet of the first oil passage.
    Type: Grant
    Filed: September 3, 2020
    Date of Patent: October 11, 2022
    Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventor: Masami Ishikawa
  • Water ingestion control system for vehicle, water ingestion and evacuation system for vehicle, vehicle including same, and method
    Patent number: 11466648
    Abstract: A water ingestion control system for an internal combustion engine can include a snorkel, at least one closure structure, a choking valve, and a controller. The snorkel can include an air intake opening and at least one evacuation inlet that can be selectively opened and closed by the closure structure. The choking valve can be located between the air intake opening and an air box and selectively open and close fluid communication between the snorkel and the air box. When in a closed state, the choking valve can close fluid communication between the snorkel and the air box and prevents fluid in the snorkel from flowing into the air box and the engine. The controller can be configured to place the choking valve in the closed state when the controller receives data indicative of the presence of water in the snorkel.
    Type: Grant
    Filed: December 2, 2021
    Date of Patent: October 11, 2022
    Assignee: HONDA MOTOR CO., LTD.
    Inventor: Brandon E. Ricketts
  • Piston arrangement for a clean combustion engine
    Patent number: 11459978
    Abstract: A piston arrangement for a clean combustion engine, such as a hydrogen engine. The piston arrangement comprises a piston configured for reciprocal movement inside a cylinder having a cylinder wall, the piston having a piston head configured to face a first compartment with pressurized gas, a sealing arrangement comprising at least one sealing ring configured to be arranged to seal the piston to the cylinder wall and separating the first compartment from a second compartment, and a water channel extending from an interior of the piston to the sealing ring to provide water for lubricating the sealing ring. The piston head comprises a pumping element configured to be arranged to pressurize the water in the water channel by pressurised gas in the first compartment.
    Type: Grant
    Filed: November 9, 2021
    Date of Patent: October 4, 2022
    Assignee: VOLVO TRUCK CORPORATION
    Inventor: Arne Andersson
  • Engine assembly
    Patent number: 11459918
    Abstract: The present disclosure is directed towards an engine assembly comprising a crankcase, a crankshaft, a lubrication system and fluid guide arrangement. During rotation the crankshaft is configured to drive a crankcase fluid flow in a crankcase chamber. The lubrication system comprises a lubricant drain for a drain fluid flow therethrough extending to a drain aperture at the crankcase chamber. The fluid guide arrangement is located adjacent or in proximity to the drain aperture. The fluid guide arrangement is configured for guiding crankcase fluid flow away from the drain aperture and/or for reducing the pressure of the crankcase fluid flow past the drain aperture, such that drain fluid flows from the lubricant drain.
    Type: Grant
    Filed: March 8, 2021
    Date of Patent: October 4, 2022
    Assignee: Perkins Engines Company Limited
    Inventors: Geoffrey Kerss, Owen Else, Prabhu Ramasamy, Menelaos Chatzakis
  • Intake manifold with a blow-off pressure release valve
    Patent number: 11459984
    Abstract: An intake manifold with a blow off/pressure release valve, wherein the intake manifold may be a unitary construction of aluminum. The intake manifold utilizes a flat gasket at engine interface that, in combination with the aluminum construction, reduces the amount of heat transferred from the cylinder head to the intake manifold. The unitary construction of aluminum provides a strong bridge and conduit between the cylinder head and the carburetor.
    Type: Grant
    Filed: October 15, 2021
    Date of Patent: October 4, 2022
    Assignee: Zoom Zoom Parts LLC
    Inventor: Richard Mellick Zock
  • Blow-by gas discharge device
    Patent number: 11459920
    Abstract: This blow-by gas discharge device is provided with: blow-by gas piping 23 which is extended from the height position of the upper end of an internal combustion engine 1 to the height position of the lower end, is exposed to the outside air, and has an outlet 33 open to the atmosphere; and a heating chamber 24 which is provided between the ends of the blow-by gas piping, is formed in the flywheel housing 10 of the internal combustion engine, and heats blow-by gas.
    Type: Grant
    Filed: September 24, 2019
    Date of Patent: October 4, 2022
    Assignee: ISUZU MOTORS LIMITED
    Inventors: Tadashi Morooka, Yuuki Himuro
  • Traction drive cooling system
    Patent number: 11454145
    Abstract: A housing for a drive system. The housing defines a motor cavity, an electronics cold plate, an oil cavity, and a coolant cavity. The coolant cavity defines a first coolant flow path configured to provide cooling to the motor cavity and the oil cavity. The coolant cavity defines a second flow path configured to provide cooling to the motor cavity and the cold plate. The housing defines a coolant inlet and a coolant outlet fluidically coupled to the first coolant flow path and the second coolant flow path, such that the first coolant flow path and the second coolant flow path are parallel fluid paths. In some applications the coolant paths can be connected in series. In some examples, the housing is configured to cause a counter-flow heat exchange between an oil flowing in the oil cavity and a coolant flowing in the first coolant flow path.
    Type: Grant
    Filed: April 29, 2021
    Date of Patent: September 27, 2022
    Assignee: Honeywell International Inc.
    Inventors: Robert Alan Dietrich, Stephen L. White, Evgeni Ganev
  • Outboard motor and marine vessel
    Patent number: 11454158
    Abstract: An outboard motor includes an engine, a first cooling water passage to cool a first cooling target including the engine and through which first cooling water including water from outside an outboard motor body passes, a first pump to pump the first cooling water from outside the outboard motor body to the first cooling water passage, a second cooling water passage to cool a second cooling target different from the first cooling target and through which second cooling water different from the first cooling water passes, and a second pump to pump the second cooling water to the second cooling water passage.
    Type: Grant
    Filed: May 15, 2020
    Date of Patent: September 27, 2022
    Assignee: YAMAHA HATSUDOKI KABUSHIKI KAISHA
    Inventor: Kimitaka Saruwatari
  • Nozzle for a fan assembly
    Patent number: 11454247
    Abstract: There is provided a nozzle for a fan assembly. The nozzle comprises a nozzle body, an air inlet for receiving an air flow, and one or more air outlets for emitting the air flow. The nozzle body has the general shape of a truncated ellipsoid, with a first truncation forming a face of the nozzle body and a second truncation forming a base of the nozzle body. The one or more air outlets are provided on the face of the nozzle body. Preferably, the air inlet is provided at the base of the nozzle body.
    Type: Grant
    Filed: June 19, 2019
    Date of Patent: September 27, 2022
    Assignee: Dyson Technology Limited
    Inventors: Neil Ewen Callum MacQueen, Philip Tennison Reilly, Darren Matthew Lewis, James Dyson, Alexander Stuart Knox
  • Axi-centrifugal compressor with variable outlet guide vanes
    Patent number: 11448235
    Abstract: An example compressor includes a casing having a main portion and an outer skirt collectively defining an annular plenum, an outlet guide vane coupled to the main portion, an actuator mounted outside the outer skirt, and a linkage coupled to the actuator and the outlet guide vane through the annular plenum.
    Type: Grant
    Filed: July 6, 2020
    Date of Patent: September 20, 2022
    Assignee: General Electric Company
    Inventors: David Vickery Parker, Wilhelm Ramon Hernandez, Basuki Srivastava, Paul Trimby