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公开(公告)号：US12071871B1
公开(公告)日：2024-08-27
申请号：US18208525
申请日：2023-06-12
Applicant: Caterpillar Inc.
Inventor： Lucas K. Smith , Rodney Allen Lawrence , Eric W. Ferguson , Ryan R. Stoneman
CPC classification number: F01M13/0033 , B01D46/0004 , B01D46/0005 , B01D46/0043 , B01D46/0046 , B01D46/0087 , B01D46/2403 , B01D46/88 , F01M13/0011 , B01D2265/024 , B01D2271/02 , B01D2273/30 , B01D2279/35 , F01M2013/0044
Abstract: Apparatuses, systems and methods are disclosed including apparatus for a ventilation system for supplying air to a crankcase of an internal combustion engine. The apparatus can optionally include a housing, an air filter, a lid and a pressure relief valve. The housing can form a cavity and having an inlet and an outlet therein. The inlet communicates with the cavity and is offset from a centerline axis of the housing. The air filter can be received by the cavity. An outer circumference of the air filter can be oriented at an angle that is substantially tangent to the inlet. The lid can be attachable to and removable from the housing for selectively accessing the air filter. The pressure relief valve coupled to the housing and in fluid communication with the cavity.
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公开(公告)号：US11499452B2
公开(公告)日：2022-11-15
申请号：US17098427
申请日：2020-11-15
Applicant: Kohler Co.
Inventor： Terrence M. Rotter
Abstract: An oil treatment system for an internal combustion engine in one implementation includes an elongated dipstick tube defining a tube axis and a first flow passageway, a housing arranged on the dipstick tube and defining an internal cavity, an oil treatment apparatus disposed in the internal cavity, and a retainer coupled to the housing. The retainer may have a cylindrical body comprising an elongated first flow protuberance insertably received through the oil treatment apparatus to establish fluid communication between the oil treatment apparatus and the first flow passageway of the dipstick tube. The retainer comprises a cavity through which oil may be added directly to the first flow passageway of the dipstick which may be fluidly coupled to an oil sump of the engine. The oil treatment apparatus may be an oil filter. An oil treatment additive may optionally be added to the housing.
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公开(公告)号：US11149600B2
公开(公告)日：2021-10-19
申请号：US16164391
申请日：2018-10-18
Applicant: Suzuki Motor Corporation
Inventor： Masaki Mori
Abstract: In the oil lubrication structure that supplies lubricating oil to the transmission device, the oil lubrication structure includes an oil passage formed above a transmission device. The oil passage is formed by an oil groove portion and a plate member. The oil groove portion is integrally formed in a crankcase. The plate member is arranged in the crankcase so as to cover the oil groove portion. The plate member has oil dripping holes formed therein, and the oil dripping holes are opened at positions directly above the transmission device.
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公开(公告)号：US11008908B2
公开(公告)日：2021-05-18
申请号：US16364435
申请日：2019-03-26
Applicant: HONDA MOTOR CO., LTD.
Inventor： Dai Kataoka , Hiroatsu Inui , Yoshihiro Takada , Takahiro Iwama , Masaki Cho
Abstract: An oil passageway structure for internal combustion engines includes a cylinder head having an inter-bearing wall fluid communication oil passage for providing fluid communication between a plurality of bearing walls to allow oil to flow therebetween. The cylinder head further includes a bearing wall oil passage branched from the inter-bearing wall fluid communication oil passage to supply oil to a bearing surfaces of at least one of the bearing walls. The inter-bearing wall fluid communication oil passage is defined in one of facing side walls. The bearing wall oil passageway is defined in at least one of the bearing walls. The oil passageway structure is thus made up of a reduced number of parts, can be assembled with a reduced number of man-hours, can lead to productivity growth, and is inexpensive to manufacture.
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公开(公告)号：US20210062693A1
公开(公告)日：2021-03-04
申请号：US17098427
申请日：2020-11-15
Applicant: Kohler Co.
Inventor： Terrence M. Rotter
Abstract: An oil treatment system for an internal combustion engine in one implementation includes an elongated dipstick tube defining a tube axis and a first flow passageway, a housing arranged on the dipstick tube and defining an internal cavity, an oil treatment apparatus disposed in the internal cavity, and a retainer coupled to the housing. The retainer may have a cylindrical body comprising an elongated first flow protuberance insertably received through the oil treatment apparatus to establish fluid communication between the oil treatment apparatus and the first flow passageway of the dipstick tube. The retainer comprises a cavity through which oil may be added directly to the first flow passageway of the dipstick which may be fluidly coupled to an oil sump of the engine. The oil treatment apparatus may be an oil filter. An oil treatment additive may optionally be added to the housing.
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Patent Agency Ranking
公开(公告)号：US10087796B2
公开(公告)日：2018-10-02
申请号：US15335103
申请日：2016-10-26
Applicant: SUZUKI MOTOR CORPORATION
Inventor： Kohei Tsukamoto , Yosuke Katsuya , Shintaro Yagi
Abstract: An aspect of the invention is directed to a lubricating structure of an internal combustion engine for feeding oil from an oil pump to respective portions of the internal combustion engine where a balancer shaft is disposed in parallel with a crankshaft in a crankcase, wherein: a main gallery and an oil passage are provided in the crankcase so that oil can be delivered from the oil pump to the main gallery and the oil of the main gallery can be guided by the oil passage to pass through a bearing of the balancer shaft; and the oil passage feeds the oil that has passed through the bearing of the balancer shaft to a cylinder head.
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公开(公告)号：US09878822B2
公开(公告)日：2018-01-30
申请号：US14443622
申请日：2013-11-19
Applicant: CASTROL LIMITED
Inventor： Andrew Philip Barnes , Peter Stuart Brett , Steven Paul Goodier , Piers Sebastian Harding , Gary Keith Jepps , Mark O'Malley , Thomas James McPherson
CPC classification number: B65D25/38 , B65D25/20 , F01M1/04 , F01M11/0458 , F01M2011/0483 , H02K9/193
Abstract: A replaceable fluid container for a vehicle, the container comprising: a housing comprising a fluid reservoir; an outlet port arranged on the housing to couple the reservoir in fluidic communication with a fluid system of the vehicle for supplying fluid from the reservoir to the vehicle; an inlet port arranged on the housing to couple the reservoir for receiving fluid from the engine to the reservoir; and a vent port arranged on the housing to couple the reservoir for allowing gas to be passed into and out from the reservoir, wherein the inlet, outlet and vent ports are arranged on a common end of the housing and are arranged such that the distance between the vent port and the nearest of the inlet port and outlet port is greater than the distance between the inlet port and the outlet port.
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公开(公告)号：US09845767B2
公开(公告)日：2017-12-19
申请号：US14647220
申请日：2013-11-26
Applicant: Cummins IP, Inc.
Inventor： Aaron S. Quinton , John Jerl Purcell , Nathaniel Hassall , Derek Ferguson
CPC classification number: F02F7/0021 , B22C9/24 , B22D25/02 , F02F7/0007 , F02F7/0065 , F02F7/0068 , F02F7/0095 , Y10T29/49272
Abstract: Systems and methods are provided for a cylinder block having one or more bulkheads. The bulkheads provide a dual-wall structure that may enhance the stiffness of the cylinder block in bending and torsion. The bulkheads may also provide an oil drain to allow oil to directly drain through a hollow core of the bulkhead. An overflow outlet may be formed in an inner wall of a bulkhead. In some implementations, a cylinder block with bulkheads may increase an oil capacity of an engine.
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公开(公告)号：US09797338B2
公开(公告)日：2017-10-24
申请号：US14568121
申请日：2014-12-12
CPC classification number: F02F7/0002 , F01M1/04 , F01M11/02 , F02B63/02 , F02F7/0021 , F02F7/0043
Abstract: An engine includes a cylinder, a rocker chamber, an air filter, a crankcase and a rocker chamber cover, wherein the rocker chamber cover is disposed above the cylinder. The engine further includes a cover plate, wherein the cover plate is located at the top of the rocker chamber cover, and the rocker chamber cover and the cover plate are spliced to form a separation cavity and a connection channel. According to the engine provided by the invention, the top structure of the rocker chamber is re-designed and the top space of the rocker chamber is sufficiently used so as to achieve the objects of optimizing a lubricating system and reducing emission, as well as reducing the manufacturing cost and difficulty.
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公开(公告)号：US20160061070A1
公开(公告)日：2016-03-03
申请号：US14494551
申请日：2014-09-23
Inventor： Daobing Huang
CPC classification number: F01M1/04 , F01M3/00 , F01M9/10 , F02B63/02 , F02B75/02 , F02B2075/027 , F02M17/14
Abstract: The invention relates to a 360° reversible four-stroke engine, including a cylinder, a plunger, a crankshaft component and a carburetor, wherein the carburetor is used for providing mixed oil and gas to an intake passage, the mixed oil and gas is communicated to an intake valve component in a rocker chamber through the intake passage, and the mixed oil and gas is communicated to an intake valve component in a rocker chamber through the intake passage; said intake passage is setup with a bypass connected to a crankshaft chamber, the bypass is a mixed oil and gas lubrication passage, the lower portion of the crankshaft chamber is connected to an one-way valve chamber, the one-way valve chamber is communicated with a cam chamber and is setup with an one-way valve therein which opens upon positive pressure of the crankshaft chamber and closes upon negative pressure of the crankshaft chamber.
Abstract translation: 本发明涉及一种360°可逆四冲程发动机，包括气缸，柱塞，曲轴部件和化油器，其中化油器用于向进气通道提供混合油和气，混合油和气体被连通 通过进气通道连接到摇臂室中的进气阀部件，并且混合油和气体通过进气通道连通到摇臂室中的进气门部件; 所述进气通道设置有连接到曲轴室的旁路，旁路是混合油气润滑通道，曲轴室的下部连接到单向阀室，单向阀室连通 具有凸轮室并且设置有其中的单向阀，其中在曲轴室的正压力下打开并在曲轴室的负压下关闭。
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