Patents Assigned to Eaton Corporation
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Publication number: 20190040769Abstract: A valve train assembly includes a first exhaust valve, a second exhaust valve, and a valve bridge including a main body and a lever rotatably coupled to the main body, the main body configured to engage the first exhaust valve, and the lever configured to engage the second exhaust valve. An exhaust valve rocker arm assembly is configured to selectively open the first and second exhaust valves, the exhaust valve rocker arm assembly including an exhaust valve rocker arm with a hydraulic lash adjuster (HLA) assembly coupled thereto, the HLA assembly in contact with the valve bridge main body. An engine brake rocker arm assembly is configured to selectively open the second exhaust valve and including an engine brake rocker arm with a combined HLA and added motion capsule coupled thereto. The combined HLA and added motion capsule is configured to selectively engage and rotate the lever.Type: ApplicationFiled: October 8, 2018Publication date: February 7, 2019Applicant: Eaton CorporationInventors: Douglas J. Nielsen, James E. McCarthy, JR., Kshamta Bishnoi, Kiran Bairy, Majo Cecur
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Publication number: 20190032753Abstract: A transmission selectively coupled to an engine crankshaft of an internal combustion engine arranged on a vehicle includes an input shaft, a mainshaft, an output shaft, a first countershaft and a second countershaft. A first gear set includes a first mainshaft gear arranged on the mainshaft, a first countershaft gear arranged on the first countershaft and a first countershaft gear arranged on the second countershaft. A second gear set includes a second mainshaft gear arranged on the mainshaft, a first countershaft gear arranged on the second countershaft and a second countershaft gear arranged on the second countershaft. The gears of the first gear set all have a first helix angle. The gears of the second gear set all have a second helix angle. The first and second helix angles are selected to provide gear constant leading whereby thrust forces directed onto the first and second countershafts are balanced.Type: ApplicationFiled: October 3, 2018Publication date: January 31, 2019Applicant: Eaton CorporationInventors: Christian Chimner, Thomas J. Stoltz
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Publication number: 20190036324Abstract: A circuit interrupter for protecting a protected circuit includes separable contacts, an operating mechanism structured to trip open the separable contacts, a current sensor structured to sense a current flowing through the protected circuit, a temperature sensor structured to sense a temperature of the protected circuit proximate the current sensor, and a processor configured to select a trip time based on the sensed current, to adjust the selected trip time based on the sensed temperature, and to cause the operating mechanism to trip open the separable contacts when the adjusted selected trip time is reached.Type: ApplicationFiled: July 26, 2017Publication date: January 31, 2019Applicant: EATON CORPORATIONInventors: SANDY JIMENEZ, JIAN JIAO
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Publication number: 20190023113Abstract: A transmission system selectively coupled to an engine crankshaft of an internal combustion engine arranged on a vehicle includes a waste heat recovery (WHR) system, a brake assembly and a phase-change thermal heat storage system. The WHR system selectively circulates a WHR fluid in the transmission system. The brake assembly selectively couples a transmission output shaft to a drive axle. The brake assembly is configured to operate in a braking mode that retards relative rotation between the transmission output shaft and the drive axle while generating heat. The heat storage system includes a housing defining at least one cavity and a fluid transfer manifold. A phase-change material is disposed in the cavity that is configured to change phase during the braking mode. The WHR system circulates the WHR fluid through the fluid transfer manifold collecting braking heat to be used at a later time in the form of driveline power.Type: ApplicationFiled: September 21, 2018Publication date: January 24, 2019Applicant: Eaton CorporationInventor: Thomas Stoltz
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Publication number: 20190027876Abstract: An electrical outlet that is structured to be mounted to a wall and to be electrically connected with an AC power source employs a removable and replaceable power module that includes its own USB power outlets. The electrical outlet includes a base having a receptacle formed therein within which the power module is receivable. The base additionally includes its own AC power outlets. The power module may include, for example, one or more USB power outlets, such as USB type-A outlets, and the power module can easily be removed and replaced with an alternative power module that includes, for example, one or more USB type-C power outlets.Type: ApplicationFiled: July 20, 2017Publication date: January 24, 2019Applicant: EATON CORPORATIONInventors: Saivaraprasad Murahari, Nilesh Ankush Kadam, Sushant Raut
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Publication number: 20190026749Abstract: A security tag and electronic system detect unauthorized tampering of Molded Case Circuit Breakers (MCCBs) and authenticate MCCBs against counterfeiting or gray market items. The system can involve digital generation of a public key and a corresponding private key, both keys comprise large positive integers, applying the private key to an MCCB-specific message string and creating a digital signature code, generating an identification code from the MCCB-specific message string and the digital signature code, building the identification code into one or more security tags, and installing the security tags on MCCBs, and authenticating MCCBs through a verification step and a certification step. The verification step reads the security tags, and verifies the identification code. The certification step checks the identification code against a revocation list that contains previously compromised identification codes.Type: ApplicationFiled: July 18, 2017Publication date: January 24, 2019Applicant: EATON CORPORATIONInventors: Zhi Gao, Theodore J. Miller, Timothy F. Thompson, Randy P. Shvach, Daniel A. Hosko
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Patent number: 10179589Abstract: Disclosed is an exemplary method for optimizing vehicle performance. The method includes determining an optimized drive torque for maximizing vehicle fuel economy and detecting a driver requested drive torque. A determination is made on whether the driver requested drive torque is performance related or safety related. The arbitrated drive torque is set to the optimized drive torque when it is determined that the driver requested drive torque is not performance and safety related. The arbitrated drive torque is set to the driver requested drive torque when it is determined that the driver requested drive torque is either performance or safety related.Type: GrantFiled: December 28, 2015Date of Patent: January 15, 2019Assignee: Eaton CorporationInventors: Zhijun Tang, Michael P. Nowak, Benjamin Saltsman, Dnyaneshwar Ambhore, Benjamin Morris, Vasilios Tsourapas, Chinmaya Patil, Hassan Al-Atat
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Patent number: 10180087Abstract: A switching rocker arm system includes a rocker assembly having a first end and a second end, and engaging a lash adjuster an and engine valve. The system further includes a first arm rotationally coupled to a second arm at the first or second end, and selectively rotationally coupled to the second arm at the other of the first end and the second end by a latch. In the latched position, a second cam engagement surface of the second arm engages the second cam to operate the engine valve in a high-lift mode, a biasing spring urges the second cam engagement surface into contact with the second cam, and a rotational stop prevents contact of the second cam engagement surface with a base circle portion of the second cam in the low-lift mode.Type: GrantFiled: June 28, 2017Date of Patent: January 15, 2019Assignee: EATON CORPORATIONInventors: Austin Robert Zurface, Daniel Bennett Trudell, Andrei Dan Radulescu
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Publication number: 20190010835Abstract: A combined exhaust and engine brake rocker arm assembly configured to selectively open first and second exhaust valves, includes a rocker arm body, an exhaust rocker arm assembly formed in the rocker arm body, and an engine brake rocker arm assembly formed in the rocker arm body and configured to operate in a collapse mode and a rigid mode. The exhaust rocker arm assembly is configured to selectively engage a valve bridge to open the first and second exhaust valves, and the engine brake rocker arm assembly is configured to selectively engage the valve bridge to open only the first exhaust valve.Type: ApplicationFiled: September 13, 2018Publication date: January 10, 2019Applicant: Eaton CorporationInventors: James E. McCarthy, JR., Douglas J. Nielsen, Kshamta Bishnoi
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Publication number: 20190013170Abstract: An adjustable trip assembly is for an electrical switching apparatus. The electrical switching apparatus includes a housing, separable contacts and an operating mechanism for opening and closing the separable contacts. The adjustable trip assembly includes a load conductor, a magnetic assembly comprising a magnetic member and an armature movably coupled to the magnetic member, and a calibration assembly comprising a calibration bracket cooperating with the armature, and an adjustment mechanism being adjustable to move the calibration bracket and thereby adjust the position of the armature with respect to the magnetic member to calibrate the magnetic assembly. The magnetic assembly further includes a biasing element that biases the armature away from the magnetic member.Type: ApplicationFiled: July 5, 2017Publication date: January 10, 2019Applicant: EATON CORPORATIONInventors: CRAIG JOSEPH PUHALLA, MARK ANTHONY JANUSEK, DAVID CURTIS TURNER, JONATHAN M. PEIFER
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Publication number: 20190006131Abstract: A trip cam assembly is for a multi-pole electrical switching apparatus. The trip cam assembly includes a first trip cam, a second trip cam, and an interconnect member coupled to the first trip cam and the second trip cam.Type: ApplicationFiled: June 28, 2017Publication date: January 3, 2019Applicant: EATON CORPORATIONInventor: JAMES G. MALONEY
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Publication number: 20180363681Abstract: A hydraulic control unit that delivers hydraulic fluid to a limited slip differential includes a hydraulic control unit housing, a vent hole and first and second passageways. The hydraulic control unit housing has an accumulator housing portion that houses a biasing assembly and a piston. The accumulator housing portion forms an accumulator chamber with the piston. The vent hole is defined in the hydraulic control unit housing. The first passageway is defined in the hydraulic control unit housing. The second passageway is defined in the hydraulic control unit housing that intersects the vent hole and is oriented at a different angle than the first passageway. The vent hole is dual purpose permitting hydraulic fluid entry into the accumulator chamber through the second passageway while air is permitted to escape the hydraulic control unit housing through the vent hole.Type: ApplicationFiled: August 23, 2018Publication date: December 20, 2018Applicant: Eaton CorporationInventor: Matthew Fox
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Publication number: 20180366291Abstract: A circuit interrupter is structured to protect a protected circuit. The circuit interrupter includes a ground fault current sensor structured to sense a ground fault current in the protected circuit and a processor including a routine structured to perform a ground fault output self-test. The ground fault output self-test includes to output a trip signal within a predetermined phase angle of a zero-crossing of current flowing through the protected circuit, to stop outputting the trip signal before the zero-crossing, to determine whether the trip signal caused a pulse in the ground fault current, and to determine whether the circuit interrupter passed the ground fault output self-test based on whether the trip signal caused a pulse in the ground fault current.Type: ApplicationFiled: June 16, 2017Publication date: December 20, 2018Applicant: EATON CORPORATIONInventors: Jian JIAO, Adonna Angelika ANDERSON
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Publication number: 20180366287Abstract: An electrical switch assembly includes a first contact supported for movement into and out of electrical connection with a second contact. A cam assembly is configured to deflect a spring into a stressed condition, and to move the first contact into electrical connection with the second contact under a bias of the spring upon return deflection of the spring from the stressed condition. A motor has an output member. A linkage interconnects the output member with the cam assembly to deflect the spring into the stressed condition in response to movement of the output member.Type: ApplicationFiled: June 16, 2017Publication date: December 20, 2018Applicant: Eaton CorporationInventors: Romil Vaishnavi, Douglas Ray Bender, Chitra Dattaraya Nanaware, Somnath Janaba Devarde
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Publication number: 20180363519Abstract: A switching rocker arm includes an inner arm, an outer arm pivotably secured to the inner arm and having a latch bore, and a latch pin configured for insertion into the latch bore. The latch pin includes a first portion having a first diameter, and a second portion having a second diameter. The second portion is eccentric to the first portion. The latch pin is selectively movable between a first position where the latch pin does not contact the inner arm, and a second position wherein the latch pin contacts the inner arm.Type: ApplicationFiled: June 18, 2018Publication date: December 20, 2018Applicant: Eaton CorporationInventors: Andrei Radulescu, Dale A. Stretch, Michael J. Guzak, Lynell D. Johncock
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Publication number: 20180358791Abstract: An apparatus includes a cell pan that supports a circuit breaker within a switchgear cell, and a lift pan that carries a circuit breaker outside of the switchgear cell. The lift pan has a track for a roller on the circuit breaker. The apparatus further includes an extension rail that interconnects the lift pan with the cell pan in an aligned position. With the lift pan in aligned position, the track on the lift pan can receive the roller upon horizontal draw-out movement of the circuit breaker from the cell pan. A latch on the extension rail has a blocking position in which it blocks the roller from rolling outward off the cell pan, and has a non-blocking position in which it does not block the roller from rolling outward off the cell pan. The latch automatically moves from the blocking position to the non-blocking position under the influence of the lift pan upon movement of the lift pan into the aligned position.Type: ApplicationFiled: August 24, 2017Publication date: December 13, 2018Applicant: EATON CORPORATIONInventor: James Darryl Robinson
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Patent number: 10151787Abstract: An audible ground fault detection device may include: a pulse-width modulation (PWM) circuit to produce a pulse signal in response to an occurrence of a ground fault; and a buzzer circuit to emit an audible sound in response to receipt of the pulse signal. The device may include a power circuit configured to transfer power from the power line to the PWM circuit when a ground fault occurs in a load of the power line, and not to transfer the power from the power line to the PWM circuit when no ground fault occurs in any load of the power line. When the PWM circuit has no power, it will not produce the pulse signal. The power circuit may also provide DC power to the buzzer circuit in response to the occurrence of the ground fault. The buzzer circuit may include a passive buzzer.Type: GrantFiled: January 10, 2018Date of Patent: December 11, 2018Assignee: Eaton CorporationInventors: Lin Yang, Tao Xiong, Haidong Zhang, Xianzhen Zhang, Shifang Zhang
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Publication number: 20180351342Abstract: A circuit interrupter including a line conductor, a neutral conductor, a power supply, a ground fault current transformer structured to sense a ground fault current from current flowing through the line and neutral conductors, a grounded neutral detection circuit including a filtering stage structured to high-pass filter the ground fault current, and a processor structured to receive an output of the grounded neutral detection circuit and to determine whether a grounded neutral is present based on the output of the grounded neutral detection circuit.Type: ApplicationFiled: May 30, 2017Publication date: December 6, 2018Applicant: EATON CORPORATIONInventors: ADONNA ANGELIKA ANDERSON, JIAN JIAO
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Publication number: 20180342359Abstract: An apparatus includes a circuit interrupting device installed in a cabinet. The circuit interrupting device has an actuator configured for rotation about a switching axis to switch the device between ON and OFF conditions. The apparatus further includes a front access hub supported for rotation about an axis orthogonal to the switching axis. A handle is coupled to the front access hub to rotate the front access hub about the orthogonal axis. A mechanism interconnects the front access hub with the actuator to rotate the actuator in response to rotation of the front access hub.Type: ApplicationFiled: May 23, 2017Publication date: November 29, 2018Applicant: Eaton CorporationInventors: Romil Vaishnavi, Chitra Dattaraya Nanaware, Somnath Janaba Devarde
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Patent number: 10137768Abstract: An air delivery system for a farm machine according to the present disclosure can include a first rotary blower and a first aftertreatment enclosure. The first rotary blower can include a housing and have a first rotor and a second rotor rotatably disposed in the housing. The first and second rotors can have meshed lobes for transporting air from an inlet port to an outlet port. A first aftertreatment enclosure can be configured on the farm machine and include a first inlet, a second inlet and an outlet. The first inlet can receive engine exhaust from an engine of the farm machine. The second inlet can receive air from the rotary blower. A temperature of the engine exhaust can be reduced upon exiting the first aftertreatment enclosure through the outlet.Type: GrantFiled: July 21, 2016Date of Patent: November 27, 2018Assignee: Eaton CorporationInventors: Kurt Northrop, Daniel Ouwenga