公开(公告)号：US11982223B2

公开(公告)日：2024-05-14

申请号：US18155018

申请日：2023-01-16

Applicant: Transportation IP Holdings, LLC

Inventor： Thomas Lavertu ,  Adam Klingbeil ,  James Robert Mischler

IPC: F02B37/24 ,  B60L3/10 ,  B60W30/18 ,  F02B37/10 ,  F02B37/14 ,  F02B37/18 ,  F02B39/10 ,  F02B63/04 ,  F02D23/00 ,  F02D28/00 ,  F02D41/00 ,  F02B37/12 ,  F02D29/02

CPC classification number: F02B37/24 ,  B60L3/106 ,  B60W30/18172 ,  F02B37/10 ,  F02B37/14 ,  F02B37/18 ,  F02B39/10 ,  F02B63/04 ,  F02D23/00 ,  F02D28/00 ,  F02D41/0007 ,  F02B2037/122 ,  F02D29/02 ,  F02D2200/10 ,  F02D2200/50

Abstract: Methods and systems are provided for a turbocharger. In one example, a method includes adjusting one or more of a wastegate position and a position of vanes with operation of a turbocharger to reach a desired turbocharger speed via a controller. The method further includes adjusting engine operating parameters to reach the desired turbocharger speed.

公开(公告)号：US20240011428A1

公开(公告)日：2024-01-11

申请号：US18265014

申请日：2021-11-05

Applicant: Scania CV AB

Inventor： Erik HÖCKERDAL ,  Stefan ORRLING ,  Oskar LEUFVEN ,  Erik LIND ,  John KROON

IPC: F02B37/12 ,  F02D13/02

CPC classification number: F02B37/12 ,  F02D13/0203 ,  F02B2037/122 ,  F02B2037/125

Abstract: The disclosure concerns a method and a control arrangement for controlling valve actuation of an ICE comprising an exhaust valve, an intake valve, and a turbo compressor. The method comprises and the control arrangement is configured to: limiting/limit valve actuation changes of the exhaust and intake valves based on compressor data including surge limit data for the turbo compressor and one or both of a current turbo compressor rotational speed and a current turbo compressor pressure ratio, to maintain a turbo compressor mass flow above a limit mass flow value.

公开(公告)号：US11668255B2

公开(公告)日：2023-06-06

申请号：US17116000

申请日：2020-12-09

Applicant: Caterpillar Inc.

Inventor： Rajesh Narayanan Nair ,  Samuel Were ,  James Harris Mutti ,  Behnaz Ensan ,  James Vernon Dornberger, II ,  Rodney L. Menold ,  Timothy David Schwartz ,  Kevin Walsh

IPC: F02D13/04 ,  F02D13/02 ,  F02D41/24 ,  F02B37/24 ,  F01L13/06 ,  F02B37/12

CPC classification number: F02D13/04 ,  F01L13/065 ,  F02B37/24 ,  F02D13/0249 ,  F02D41/2422 ,  F02B2037/122 ,  F02D2200/0406 ,  F02D2200/101

Abstract: An engine braking system includes engine braking actuators for adjusting exhaust valve timings to engine braking timings in a cylinder-number braking mode. The system further includes an engine braking controller coupled to a control switch that produces a request indicating a requested cylinder-number braking mode. The engine braking controller is structured to transition exhaust valves to the engine braking timings, determine a control term to adjust intake air pressure for varying a braking power of the engine, and to adjust geometry of an exhaust turbine based on the control term. An adjusted speed of a compressor rotated by the exhaust turbine provides a change to intake air pressure that adjusts the braking power of the engine. Different levels of braking power are provided within different cylinder-number braking modes.

公开(公告)号：US20190218993A1

公开(公告)日：2019-07-18

申请号：US15872389

申请日：2018-01-16

Applicant: Caterpillar Inc.

Inventor： Ryan T. Sunley ,  David A. Pierpont ,  Jason J. Rasmussen

IPC: F02D41/40 ,  F02B37/12 ,  F02D41/00

CPC classification number: F02D41/402 ,  F02B37/12 ,  F02B39/08 ,  F02B2037/122 ,  F02D41/0087 ,  F02D2200/10

Abstract: A method for controlling an engine in response to an increase in a load on the engine is disclosed. The engine includes a cylinder with a piston slidably disposed therein between a top dead center position and a bottom dead center position. The cylinder and the piston define a combustion chamber. The method includes initiating a first injection event and a second injection event. The first injection event includes introducing a first predetermined quantity of fuel into the combustion chamber at least 5 degrees before the piston reaches the top dead center position. The second injection event includes introducing a second predetermined quantity of fuel into the combustion chamber not earlier than 30 degrees after the piston moves away from the top dead center position.

公开(公告)号：US09890697B2

公开(公告)日：2018-02-13

申请号：US15160842

申请日：2016-05-20

Applicant: Ford Global Technologies, LLC

Inventor： Baitao Xiao ,  Hamid-Reza Ossareh ,  Adam Nathan Banker

IPC: F02B37/10 ,  F02B39/10 ,  F02D41/00 ,  F02B37/04 ,  F02B37/18 ,  F02B37/12 ,  F02B37/14 ,  F02B37/16 ,  F02B39/16

CPC classification number: F02B37/04 ,  F02B37/127 ,  F02B37/14 ,  F02B37/16 ,  F02B37/18 ,  F02B39/10 ,  F02B2037/122 ,  F02B2039/168 ,  F02D41/0007 ,  F02D2200/0406 ,  Y02T10/144

Abstract: Methods and systems are provided for controlling boost pressure in a staged engine system comprising a turbocharger and an upstream electric supercharger. In one example, a method may include accelerating an electric supercharger to choke the flow of air to the engine in the event of turbocharger overboost.

公开(公告)号：US20180001984A1

公开(公告)日：2018-01-04

申请号：US15540986

申请日：2015-08-07

Applicant: Mitsubishi Heavy Industries, Ltd.

Inventor： Yukio Yamashita ,  Yoshihisa Ono ,  Musashi Sakamoto ,  Takeshi Tsuji ,  Akihiro Miyanagi

IPC: B63H21/14 ,  F02B37/04 ,  F02B33/34 ,  F02B37/11 ,  F02B37/14 ,  F02N9/04 ,  F02B37/10

CPC classification number: B63H21/14 ,  F02B33/34 ,  F02B37/04 ,  F02B37/10 ,  F02B37/11 ,  F02B37/14 ,  F02B39/10 ,  F02B2037/122 ,  F02D41/0007 ,  F02D41/062 ,  F02D41/3827 ,  F02D2041/389 ,  F02D2200/101 ,  F02N9/04 ,  F02N11/00 ,  F02N2011/0885 ,  F02N2011/0896 ,  F02N2200/022 ,  F02N2200/063 ,  Y02T10/144

Abstract: A device and a method for starting an internal combustion engine, provided with an exhaust turbine turbocharger, an electric motor generator, a power storage unit, an engine rotation starter device, injectors, and a control device that controls the electric motor generator, the engine rotation starter device, and the injectors, wherein when an engine rotation activation start signal is input and the rotational frequency of the exhaust turbine turbocharger reaches an engine rotation-activation-starting rotational frequency, the control device starts driving the engine rotation starter device, and when the engine rotational frequency reaches a fuel-supply-starting rotational frequency, the control device starts driving the injectors, thus improving the starting performance of the internal combustion engine.

公开(公告)号：US20170298810A1

公开(公告)日：2017-10-19

申请号：US15098665

申请日：2016-04-14

Applicant: Caterpillar Inc.

Inventor： Scott Thompson ,  Sravan Karri ,  Michael Joseph Campagna

IPC: F02B37/12 ,  F02B37/00 ,  F02B39/16

CPC classification number: F02B37/12 ,  F02B37/001 ,  F02B37/007 ,  F02B39/16 ,  F02B2037/122 ,  F02D41/0007 ,  F02D41/22 ,  F02D2200/0402 ,  F02D2200/0406 ,  Y02T10/144

Abstract: A process for monitoring turbocharger operation in a machine is disclosed. The machine includes a power source having an intake manifold for supplying the power source with air and a plurality of turbochargers. Each turbocharger includes an air inlet passageway to receive air, a plurality of pressure sensors arranged within the inlet passageway, a compressor configured to pressurize air, an air outlet passageway to direct pressurized air from the compressor to the intake manifold, and an exhaust turbine operably driven by exhaust gas from the power source and coupled to the compressor by a turbine shaft. The process includes monitoring the differential pressure across the air inlet passageway for each turbocharger, comparing the differential pressures for each turbocharger and indicating an anomaly in turbocharger speed when the differential pressure for one turbocharger exceeds the differential pressure for another turbocharger by a threshold amount.

公开(公告)号：US09745997B2

公开(公告)日：2017-08-29

申请号：US15143994

申请日：2016-05-02

Applicant: BorgWarner Inc.

Inventor： Jason W. Chekansky

IPC: F04D29/42 ,  F01D17/06 ,  F04D29/053 ,  F16C41/00 ,  F16C17/24 ,  F04D17/08 ,  F04D29/056 ,  F04D29/40 ,  F04D17/10 ,  G01P3/44 ,  F02B37/22 ,  F02B37/12

CPC classification number: F04D29/4206 ,  F01D17/06 ,  F02B37/22 ,  F02B2037/122 ,  F04D17/08 ,  F04D17/10 ,  F04D29/053 ,  F04D29/056 ,  F04D29/403 ,  F05D2220/40 ,  F05D2260/30 ,  F16C2226/00 ,  F16C2360/45 ,  G01P3/446

Abstract: A number of variations may include a turbocharger bearing housing comprising a bearing bore, a rolling element bearing assembly including an inner race and an outer race having a plurality of ball bearings disposed therebetween, wherein the rolling element bearing assembly is disposed within the bearing bore, a shaft for rotating the rolling element bearing assembly, located and supported within the inner race, a tubular bearing spacer, having at least one radial opening, positioned within the bearing bore, a mounting bore, a generally tubular insert mounted in the mounting bore and extending into the at least one radial opening of the tubular bearing spacer, and a rotational speed sensor mounted to the tubular insert via threaded fitting or friction fit.

公开(公告)号：US20170226942A1

公开(公告)日：2017-08-10

申请号：US15504610

申请日：2015-08-14

Applicant: GARDNER DENVER DEUTSCHLAND GMBH

Inventor： Andreas Denner

IPC: F02D41/00 ,  F02D41/04 ,  F02B37/16 ,  B60K13/02 ,  F02B37/00

CPC classification number: F02D41/0007 ,  B60K13/02 ,  F02B37/004 ,  F02B37/16 ,  F02B39/16 ,  F02B63/06 ,  F02B2037/122 ,  F02B2037/125 ,  F02D29/04 ,  F02D41/042 ,  F02D2200/0406 ,  F02D2200/101 ,  F04D25/024 ,  F04D25/16 ,  Y02T10/144 ,  Y02T10/42

Abstract: The present invention relates firstly to a method for operating a compressor powered by an internal combustion engine for compressing air. Furthermore, the invention relates to a compressor, which is suitable for executing the method according to the invention. A first turbocharger for supplying pre-compressed air to the internal combustion engine is disposed in an exhaust flow of the internal combustion engine. Furthermore, a second turbocharger for pre-compression of the air to be compressed by the compressor is disposed in the exhaust flow of the internal combustion engine. The method according to the invention first comprises a step in which a monitoring of a pressure of the pre-compressed air generated by the first turbocharger occurs during an operating state of the compressor. In a further step of the method, a termination of the operating state occurs as soon as the monitored pressure falls below a previously determined value.

公开(公告)号：US20170130644A1

公开(公告)日：2017-05-11

申请号：US15282723

申请日：2016-09-30

Applicant: VANDYNE SUPERTURBO, INC.

Inventor： Jason Keim ,  Jared William Brown

IPC: F02B37/14 ,  F02D41/00 ,  F02B39/10 ,  F02B37/10 ,  F02B33/40

CPC classification number: F02B37/14 ,  F02B33/40 ,  F02B37/10 ,  F02B37/105 ,  F02B39/04 ,  F02B39/10 ,  F02B2037/122 ,  F02D41/0007 ,  F02D41/1401 ,  F02D2041/1409 ,  F02D2041/1433 ,  F02D2200/0402 ,  F02D2200/0414 ,  F02D2200/703 ,  Y02T10/144

Abstract: An engine system and method utilizing a compressor map to control compressor speed of a driven turbocharger in the engine system is provided. A desired compressor speed is determined that corresponds to a boost pressure and to a mass flow rate of intake from the compressor map. The transmission of the driven turbocharger is shifted to a ratio that drives the compressor to a desired speed to provide the desired boost pressure and air flow to the engine system.