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公开(公告)号：US10690016B2
公开(公告)日：2020-06-23
申请号：US16104663
申请日：2018-08-17
Applicant: Eaton Intelligent Power Limited
Inventor： Leighton Roberts , Kevin Matson , Douglas Wright , James E. McCarthy, Jr. , Matthew Vance , Otto Schultheis
Abstract: An engine roller lifter for use in a leak-valvetrain of an internal combustion engine includes a body, a roller and an anti-rotation plug. The body includes an outer peripheral surface configured for sliding movement in a bore provided in the engine. The bore is supplied oil by an oil passage communicating therewith. The body defines an opening. The roller bearing is rotatably mounted to the body and is configured for rolling contact with an engine camshaft. The anti-rotation plug is received at the opening and has a plug body including an anti-rotation protrusion that extends radially beyond an outer peripheral surface of the plug body. The anti-rotation plug can be staked into the opening of the body.
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2.发明授权公开(公告)号：US11549405B2
公开(公告)日：2023-01-10
申请号：US17382894
申请日：2021-07-22
Applicant: Eaton Intelligent Power Limited
Inventor： Andrei Radulescu , Leighton Roberts , Ramy Rezkalla , James R. Sheren , Mike J. Otto
Abstract: A type III rocker arm assembly operable in a first mode and a second mode based on rotation of a cam shaft includes a rocker shaft and a first rocker arm assembly. The first rocker arm assembly receives the rocker shaft and is configured to rotate around the rocker shaft in the first mode based on engagement with the first cam lobe. The first rocker arm assembly collectively comprises a valve side rocker arm, a cam side rocker arm and a latch pin. The valve side rocker arm defines a valve side rocker arm bore. The cam side rocker arm defines a cam side rocker arm bore. The latch pin assembly is received by the valve and cam side rocker arm bores and selectively couples the valve side rocker arm and the cam side rocker arm for concurrent movement in the first mode.
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Patent Agency Ranking
公开(公告)号：US11486272B2
公开(公告)日：2022-11-01
申请号：US16975360
申请日：2019-02-21
Applicant: Eaton Intelligent Power Limited
Inventor： Leighton Roberts , Anthony L. Spoor , James R. Sheren , Michael Campbell
Abstract: A switching roller finger follower comprises an inner arm assembly. A pair of outer arms surround the inner arm assembly. A pivot axle connects the inner arm assembly to pivot with respect to the pair of outer arms from a starting position to a lost motion position. A latch assembly comprises a latch selectively movable from a latched position latching the inner arm assembly to move dependent with the outer arms and an unlatched position unlatching the inner arm assembly to pivot independent of the outer arms. A stop pin spans between the pair of outer arms and through an inner port in an axle of inner arm assembly. The stop pin comprises a clearance fit with the inner port, and the stop pin is configured pivotable independent of the outer arms. At least one return spring biases the stop pin toward the starting position.
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4.发明申请公开(公告)号：US20210348528A1
公开(公告)日：2021-11-11
申请号：US17382894
申请日：2021-07-22
Applicant: Eaton Intelligent Power Limited
Inventor： Andrei Radulescu , Leighton Roberts , Ramy Rezkalla , James R. Sheren , Mike J. Otto
Abstract: A type III rocker arm assembly operable in a first mode and a second mode based on rotation of a cam shaft includes a rocker shaft and a first rocker arm assembly. The first rocker arm assembly receives the rocker shaft and is configured to rotate around the rocker shaft in the first mode based on engagement with the first cam lobe. The first rocker arm assembly collectively comprises a valve side rocker arm, a cam side rocker arm and a latch pin. The valve side rocker arm defines a valve side rocker arm bore. The cam side rocker arm defines a cam side rocker arm bore. The latch pin assembly is received by the valve and cam side rocker arm bores and selectively couples the valve side rocker arm and the cam side rocker arm for concurrent movement in the first mode.
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公开(公告)号：US10968788B2
公开(公告)日：2021-04-06
申请号：US16755742
申请日：2019-01-31
Applicant: Eaton Intelligent Power Limited
Inventor： James E. McCarthy, Jr. , Leighton Roberts , Ryan Krieger
Abstract: A roller-lifter assembly for a cam-actuated engine, comprising a two-part roller lifter (10, 13, 16) comprising a pump actuator main body, a receiving portion extending from the main body (160, 161, 162, 163 164), and a cam follower comprising a roller assembly (31) or a flat tappet integrated to the main body and configured to follow a rotating cam of a cam-actuated (32) engine. A hydraulically-actuated capsule (200, 202, 203, 204, 205) is fitted to the receiving portion of the pump actuator, the capsule configured to rotate with respect to the pump actuator (100, 101, 102, 103, 104).
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公开(公告)号：US20200325800A1
公开(公告)日：2020-10-15
申请号：US16755742
申请日：2019-01-31
Applicant: Eaton Intelligent Power Limited
Inventor： James E. McCarthy, Jr. , Leighton Roberts , Ryan Krieger
Abstract: A roller-lifter assembly for a cam-actuated engine, comprising a two-part roller lifter (10, 13, 16) comprising a pump actuator main body, a receiving portion extending from the main body (160, 161, 162, 163 164), and a cam follower comprising a roller assembly (31) or a flat tappet integrated to the main body and configured to follow a rotating cam of a cam-actuated (32) engine. A hydraulically-actuated capsule (200, 202, 203, 204, 205) is fitted to the receiving portion of the pump actuator, the capsule configured to rotate with respect to the pump actuator (100, 101, 102, 103, 104).
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公开(公告)号：US20180363513A1
公开(公告)日：2018-12-20
申请号：US16104663
申请日：2018-08-17
Applicant: Eaton Intelligent Power Limited
Inventor： Leighton Roberts , Kevin Matson , Douglas Wright , James E. McCarthy, JR. , Matthew Vance , Otto Schultheis
Abstract: An engine roller lifter for use in a leak-valvetrain of an internal combustion engine includes a body, a roller and an anti-rotation plug. The body includes an outer peripheral surface configured for sliding movement in a bore provided in the engine. The bore is supplied oil by an oil passage communicating therewith. The body defines an opening. The roller bearing is rotatably mounted to the body and is configured for rolling contact with an engine camshaft. The anti-rotation plug is received at the opening and has a plug body including an anti-rotation protrusion that extends radially beyond an outer peripheral surface of the plug body. The anti-rotation plug can be staked into the opening of the body.
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