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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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Patent Agency Ranking
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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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：US11143064B2
公开(公告)日：2021-10-12
申请号：US16992014
申请日：2020-08-12
Applicant: Eaton Intelligent Power Limited
Inventor： Austin Robert Zurface , Dale Arden Stretch , Brian Karl Vandeusen
Abstract: In an electromagnetic latch assembly of a type that includes an armature, an electromagnet operative to actuate the armature, a latch pin, and a rigid metal structure that supports both the electromagnet and the latch pin, the latch pin is attached to the armature through a bendable connection. The electromagnet may be mounted to or housed within the metal structure. The latch pin may protrude from the rigid metal structure and may be guided by the metal structure. The bendable connection couples translation of the armature to translation of the latch pin while allowing the two parts to move independently to some degree. The bendable connection may reduce forces on the armature that could cause the armature to bend or stick. Those forces may result from misalignment between the latch pin and the armature or from the latch pin being driven off axis under load.
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公开(公告)号：US20210047948A1
公开(公告)日：2021-02-18
申请号：US16992014
申请日：2020-08-12
Applicant: Eaton Intelligent Power Limited
Inventor： Austin Robert Zurface , Dale Arden Stretch , Brian Karl Vandeusen
Abstract: In an electromagnetic latch assembly of a type that includes an armature, an electromagnet operative to actuate the armature, a latch pin, and a rigid metal structure that supports both the electromagnet and the latch pin, the latch pin is attached to the armature through a bendable connection. The electromagnet may be mounted to or housed within the metal structure. The latch pin may protrude from the rigid metal structure and may be guided by the metal structure. The bendable connection couples translation of the armature to translation of the latch pin while allowing the two parts to move independently to some degree. The bendable connection may reduce forces on the armature that could cause the armature to bend or stick. Those forces may result from misalignment between the latch pin and the armature or from the latch pin being driven off axis under load.
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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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