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公开(公告)号：US12221909B2
公开(公告)日：2025-02-11
申请号：US17836471
申请日：2022-06-09
Applicant: Eaton Intelligent Power Limited
Inventor： Ramy Rezkalla , Andrei Radulescu , Ryan Krieger
Abstract: A rocker shaft assembly configured to support a rocker arm and deliver oil to the rocker arm and related method of making is provided. The rocker shaft assembly includes a core shaft and a sleeve. The core shaft has a core body including a main oil supply channel formed thereon. The sleeve has passages formed thereon. The sleeve is disposed around the core shaft. The main oil supply channel aligns with at least one of the passages on the sleeve. The main oil supply is milled into the core shaft.
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公开(公告)号：US20210310379A1
公开(公告)日：2021-10-07
申请号：US17262819
申请日：2019-07-26
Applicant: Eaton Intelligent Power Limited
Inventor： Mark Van Wingerden , Ryan Krieger
Abstract: A rocker arm can comprise a cam arm, a valve arm, a lost motion spring, and a pair of deactivatable latches configured to impede travel of the cam arm with respect to the lost motion spring and configured to enable the cam arm to collapse the lost motion spring. The cam arm can comprise a cam interface, a spring pressing area, a cam arm body, and a pivot axle connection. The valve arm can comprise a valve arm body, a rocker shaft bore, a latch socket, and lost motion spring mount. A pivot axle can connect the valve arm body to the cam arm body. Alternatively, a latch socket in a valve arm neck comprises a latch assembly whereby a deactivatable latch is configured to impede motion of the cam arm and to collapse so the cam arm can collapse the lost motion spring.
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Patent Agency Ranking
公开(公告)号：US20220298934A1
公开(公告)日：2022-09-22
申请号：US17836471
申请日：2022-06-09
Applicant: Eaton Intelligent Power Limited
Inventor： Ramy Rezkalla , Andrei Radulescu , Ryan Krieger
Abstract: A rocker shaft assembly configured to support a rocker arm and deliver oil to the rocker arm and related method of making is provided. The rocker shaft assembly includes a core shaft and a sleeve. The core shaft has a core body including a main oil supply channel formed thereon. The sleeve has passages formed thereon. The sleeve is disposed around the core shaft. The main oil supply channel aligns with at least one of the passages on the sleeve. The main oil supply is milled into the core shaft.
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公开(公告)号：US20250092804A1
公开(公告)日：2025-03-20
申请号：US18962882
申请日：2024-11-27
Applicant: Eaton Intelligent Power Limited
Inventor： Ryan Krieger , Bryar Peters
Abstract: In one embodiment, a lifter assembly comprises a lifter having a latching mechanism, a slot arranged on an outer wall of the lifter and comprising an inlet that provides access to the latching mechanism, and a pin comprising a fluid channel. The latching mechanism is switchable between a latched position and an unlatched position. The pin is configured to interface with the slot such that the lifter is prevented from rotation about a lifter axis. The fluid channel is configured to be fluidly coupled to the inlet of the slot.
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公开(公告)号：US11313253B2
公开(公告)日：2022-04-26
申请号：US17262819
申请日：2019-07-26
Applicant: Eaton Intelligent Power Limited
Inventor： Mark Van Wingerden , Ryan Krieger
Abstract: A rocker arm can comprise a cam arm, a valve arm, a lost motion spring, and a pair of deactivatable latches configured to impede travel of the cam arm with respect to the lost motion spring and configured to enable the cam arm to collapse the lost motion spring. The cam arm can comprise a cam interface, a spring pressing area, a cam arm body, and a pivot axle connection. The valve arm can comprise a valve arm body, a rocker shaft bore, a latch socket, and lost motion spring mount. A pivot axle can connect the valve arm body to the cam arm body. Alternatively, a latch socket in a valve arm neck comprises a latch assembly whereby a deactivatable latch is configured to impede motion of the cam arm and to collapse so the cam arm can collapse the lost motion spring.
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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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