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公开(公告)号：US11008900B2
公开(公告)日：2021-05-18
申请号：US16893823
申请日：2020-06-05
Applicant: Eaton Intelligent Power Limited
Inventor： Petr Liskar , Jiri Cecrle , Dale Arden Stretch , Michael J. Campbell , Tomas Drabek , James Edward McCarthy, Jr. , Austin Robert Zurface , Robert Philip Benjey , Eric John Yankovic , Brian Karl Vandeusen , Nicholas Peter Gillette , Michael James Stanton , Thomas Michael Tembreull , Anthony Leon Spoor
Abstract: A valvetrain for an internal combustion engine of the type that has a combustion chamber, a moveable valve having a seat formed in the combustion chamber, and a camshaft includes a rocker arm assembly, a pivot providing a fulcrum for a rocker arm of the rocker arm assembly, and a latch assembly. An electrical device mounted to the rocker arm assembly receives power or communicates through a circuit that includes an electrical connection formed by abutment between surfaces of two distinct parts. The rocker arm assembly is operative to move one of the two abutting surfaces relative to the other in response to actuation of the cam follower. Forming an electrical connection through abutting surfaces that are free to undergo relative motion may reduce or eliminate the need to run wires to a mobile portion of the rocker arm assembly.
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Patent Agency Ranking
公开(公告)号：US20200300129A1
公开(公告)日：2020-09-24
申请号：US16893823
申请日：2020-06-05
Applicant: Eaton Intelligent Power Limited
Inventor： Petr Liskar , Jiri Cecrle , Dale Arden Stretch , Michael J. Campbell , Tomas Drabek , James Edward McCarthy, JR. , Austin Robert Zurface , Robert Philip Benjey , Eric John Yankovic , Brian Karl Vandeusen , Nicholas Peter Gillette , Michael James Stanton , Thomas Michael Tembreull , Anthony Leon Spoor
Abstract: A valvetrain for an internal combustion engine of the type that has a combustion chamber, a moveable valve having a seat formed in the combustion chamber, and a camshaft includes a rocker arm assembly, a pivot providing a fulcrum for a rocker arm of the rocker arm assembly, and a latch assembly. An electrical device mounted to the rocker arm assembly receives power or communicates through a circuit that includes an electrical connection formed by abutment between surfaces of two distinct parts. The rocker arm assembly is operative to move one of the two abutting surfaces relative to the other in response to actuation of the cam follower. Forming an electrical connection through abutting surfaces that are free to undergo relative motion may reduce or eliminate the need to run wires to a mobile portion of the rocker arm assembly.
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公开(公告)号：US11891923B2
公开(公告)日：2024-02-06
申请号：US17638844
申请日：2020-09-10
Applicant: Eaton Intelligent Power Limited
Inventor： Adam Boden , Anthony Leon Spoor
CPC classification number: F01L1/181 , F01L9/26 , F01L13/0005 , F01L13/06 , F01L2013/001 , F01L2305/00
Abstract: A valvetrain for an internal combustion engine includes a camshaft, an electromagnetic latch assembly, a rocker shaft, and a rocker arm assembly. The rocker arm assembly may include a cam follower configured to engage a cam mounted on the camshaft as the camshaft rotates and a rocker arm configured to rotate on the rocker shaft. The electromagnetic latch assembly may include a pin translatable between a first position and a second position and an electromagnet that causes the pin to actuate. The movement of the pin may provide mode switching for a switching rocker arm, a cylinder deactivating rocker arm, or an engine brake rocker arm. The electromagnet is powered by a circuit that passes through the rocker shaft. The electromagnet may be mounted to the rocker shaft. Running the circuit through the rocker shaft allows the electromagnet to be powered with wiring that remains stationary.
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公开(公告)号：US10731518B2
公开(公告)日：2020-08-04
申请号：US16460886
申请日：2019-07-02
Applicant: Eaton Intelligent Power Limited
Inventor： Petr Liskar , Jiri Cecrle , Dale Arden Stretch , Michael J. Campbell , Tomas Drabek , James Edward McCarthy, Jr. , Austin Robert Zurface , Robert Philip Benjey , Eric John Yankovic , Brian Karl Vandeusen , Nicholas Peter Gillette , Michael James Stanton , Thomas Michael Tembreull , Anthony Leon Spoor
Abstract: A valvetrain for an internal combustion engine of the type that has a combustion chamber, a moveable valve having a seat formed in the combustion chamber, and a camshaft includes a rocker arm assembly, a pivot providing a fulcrum for a rocker arm of the rocker arm assembly, and a latch assembly. An electrical device mounted to the rocker arm assembly receives power or communicates through a circuit that includes an electrical connection formed by abutment between surfaces of two distinct parts. The rocker arm assembly is operative to move one of the two abutting surfaces relative to the other in response to actuation of the cam follower. Forming an electrical connection through abutting surfaces that are free to undergo relative motion may reduce or eliminate the need to run wires to a mobile portion of the rocker arm assembly.
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公开(公告)号：US20220333507A1
公开(公告)日：2022-10-20
申请号：US17638844
申请日：2020-09-10
Applicant: Eaton Intelligent Power Limited
Inventor： Adam Boden , Anthony Leon Spoor
Abstract: A valvetrain for an internal combustion engine includes a camshaft, an electromagnetic latch assembly, a rocker shaft, and a rocker arm assembly. The rocker arm assembly may include a cam follower configured to engage a cam mounted on the camshaft as the camshaft rotates and a rocker arm configured to rotate on the rocker shaft. The electromagnetic latch assembly may include a pin translatable between a first position and a second position and an electromagnet that causes the pin to actuate. The movement of the pin may provide mode switching for a switching rocker arm, a cylinder deactivating rocker arm, or an engine brake rocker arm. The electromagnet is powered by a circuit that passes through the rocker shaft. The electromagnet may be mounted to the rocker shaft. Running the circuit through the rocker shaft allows the electromagnet to be powered with wiring that remains stationary.
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公开(公告)号：US20190338680A1
公开(公告)日：2019-11-07
申请号：US16460886
申请日：2019-07-02
Applicant: Eaton Intelligent Power Limited
Inventor： Petr Liskar , Jiri Cecrle , Dale Arden Stretch , Michael J. Campbell , Tomas Drabek , James Edward McCarthy, Jr. , Austin Robert Zurface , Robert Philip Benjey , Eric John Yankovic , Brian Karl Vandeusen , Nicholas Peter Gillette , Michael James Stanton , Thomas Michael Tembreull , Anthony Leon Spoor
Abstract: A valvetrain for an internal combustion engine of the type that has a combustion chamber, a moveable valve having a seat formed in the combustion chamber, and a camshaft includes a rocker arm assembly, a pivot providing a fulcrum for a rocker arm of the rocker arm assembly, and a latch assembly. An electrical device mounted to the rocker arm assembly receives power or communicates through a circuit that includes an electrical connection formed by abutment between surfaces of two distinct parts. The rocker arm assembly is operative to move one of the two abutting surfaces relative to the other in response to actuation of the cam follower. Forming an electrical connection through abutting surfaces that are free to undergo relative motion may reduce or eliminate the need to run wires to a mobile portion of the rocker arm assembly.
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