Patents by Inventor Brian L Ruggiero
Brian L Ruggiero has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 10851717Abstract: A system for actuating one or more engine valves for positive power operation and engine braking operation is disclosed. In a preferred embodiment, an exhaust valve bridge and intake valve bridge each receive valve actuations from two sets of rocker arms. Each valve bridge includes a sliding pin for actuating a single engine valve and an outer plunger disposed in the center of the valve bridge to actuate two engine valves through the bridge. The outer plunger of each valve bridge may be selectively locked to its valve bridge to provide positive power valve actuation. During engine braking, application of hydraulic pressure to the outer plungers may cause the respective valve bridges and outer plungers to unlock so that all engine braking valve actuations are provided from a rocker arm acting on one engine valve through the sliding pin.Type: GrantFiled: May 12, 2014Date of Patent: December 1, 2020Assignee: JACOBS VEHICLE SYSTEMS, INC.Inventors: Kevin P. Groth, Brian L. Ruggiero, Shengqiang Huang, Neil E. Fuchs, John J. Lester, Steven N. Ernest, Joseph Paturzo
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Publication number: 20200141335Abstract: A system for actuating one or more engine valves for positive power operation and engine braking operation is disclosed. In a preferred embodiment, an exhaust valve bridge and intake valve bridge each receive valve actuations from two sets of rocker arms. Each valve bridge includes a sliding pin for actuating a single engine valve and an outer plunger disposed in the center of the valve bridge to actuate two engine valves through the bridge. The outer plunger of each valve bridge may be selectively locked to its valve bridge to provide positive power valve actuation. During engine braking, application of hydraulic pressure to the outer plungers may cause the respective valve bridges and outer plungers to unlock so that all engine braking valve actuations are provided from a rocker arm acting on one engine valve through the sliding pin.Type: ApplicationFiled: November 20, 2019Publication date: May 7, 2020Inventors: Kevin P. GROTH, Brian L. RUGGIERO, Shengqiang HUANG, Neil E. FUCHS, John J. LESTER, Steven N. ERNEST, Joseph PATURZO
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Patent number: 8936006Abstract: A system for actuating one or more engine valves for positive power operation and engine braking operation is disclosed. In a preferred embodiment, an exhaust valve bridge and intake valve bridge each receive valve actuations from two sets of rocker arms. Each valve bridge includes a sliding pin for actuating a single engine valve and an outer plunger disposed in the center of the valve bridge to actuate two engine valves through the bridge. The outer plunger of each valve bridge may be selectively locked to its valve bridge to provide positive power valve actuation. During engine braking, application of hydraulic pressure to the outer plungers may cause the respective valve bridges and outer plungers to unlock so that all engine braking valve actuations are provided from a rocker arm acting on one engine valve through the sliding pin.Type: GrantFiled: July 27, 2011Date of Patent: January 20, 2015Assignee: Jacobs Vehicle Systems, Inc.Inventors: Kevin P. Groth, Brian L. Ruggiero, Shengqiang Huang, Neil E. Fuchs, John J. Lester, Steven N. Ernest, Joseph Paturzo, III
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Publication number: 20140251266Abstract: In controlling valve motions of an internal combustion engine, after determining that engine braking operation has been initiated, a deactivation mechanism disposed within a main valve train is activated thereby disabling conveyance of main valve events from a main valve motion source to a valve via the main valve train. Engine braking valve events are enabled for the valve, which may include two-stroke engine braking. Coupling mechanisms, including one-way coupling mechanisms, between adjacent rocker arms may be used in this manner.Type: ApplicationFiled: May 23, 2014Publication date: September 11, 2014Applicant: Jacobs Vehicle Systems, Inc.Inventors: Kristin V. EMMONS, Joseph M. VORIH, Kevin P. GROTH, Brian L. RUGGIERO, Shengqiang HUANG, Neil E. FUCHS, John J. LESTER, Steven N. ERNEST, Joseph PATURZO
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Publication number: 20140245992Abstract: A system for actuating one or more engine valves for positive power operation and engine braking operation is disclosed. In a preferred embodiment, an exhaust valve bridge and intake valve bridge each receive valve actuations from two sets of rocker arms. Each valve bridge includes a sliding pin for actuating a single engine valve and an outer plunger disposed in the center of the valve bridge to actuate two engine valves through the bridge. The outer plunger of each valve bridge may be selectively locked to its valve bridge to provide positive power valve actuation. During engine braking, application of hydraulic pressure to the outer plungers may cause the respective valve bridges and outer plungers to unlock so that all engine braking valve actuations are provided from a rocker arm acting on one engine valve through the sliding pin.Type: ApplicationFiled: May 12, 2014Publication date: September 4, 2014Applicant: Jacobs Vehicle Systems, Inc.Inventors: Kevin P. GROTH, Brian L. RUGGIERO, Shengqiang HUANG, Neil E. FUCHS, John J. LESTER, Steven N. ERNEST, Joseph PATURZO
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Publication number: 20120024260Abstract: A system for actuating one or more engine valves for positive power operation and engine braking operation is disclosed. In a preferred embodiment, an exhaust valve bridge and intake valve bridge each receive valve actuations from two sets of rocker arms. Each valve bridge includes a sliding pin for actuating a single engine valve and an outer plunger disposed in the center of the valve bridge to actuate two engine valves through the bridge. The outer plunger of each valve bridge may be selectively locked to its valve bridge to provide positive power valve actuation. During engine braking, application of hydraulic pressure to the outer plungers may cause the respective valve bridges and outer plungers to unlock so that all engine braking valve actuations are provided from a rocker arm acting on one engine valve through the sliding pin.Type: ApplicationFiled: July 27, 2011Publication date: February 2, 2012Applicant: Jacobs Vehicle Systems, Inc.Inventors: Kevin P. Groth, Brian L. Ruggiero, Shengqiang Huang, Neil E. Fuchs, John J. Lester, Steven N. Ernest, Joseph Paturzo
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Patent number: 8087392Abstract: A variable valve actuation system to actuate and control the seating velocity of an internal combustion engine valve is disclosed. The system may comprise a rocker arm that includes first, second and third contact surfaces. The first contact surface may contact the engine valve. A hydraulic lost motion system may contact the rocker arm at the second contact surface, and a mechanical valve train element may contact the rocker arm at the third contact surface. The lost motion system may include a slave piston with a valve seating device incorporated therein. The lost motion system and the mechanical valve train element may be provided side by side at the end of the rocker arm opposite that of the engine valve.Type: GrantFiled: May 30, 2008Date of Patent: January 3, 2012Assignee: Jacobs Vehicle Systems, Inc.Inventors: Bruce A. Swanbon, Brian L. Ruggiero, Richard E Vanderpoel
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Patent number: 8079338Abstract: A variable valve actuation system to actuate and control the seating velocity of an internal combustion engine valve is disclosed. The system comprises: a housing having a bore formed therein; an outer piston slidably disposed in the bore, said outer piston having an internal hydraulic passage, an internal chamber defined by an outer piston side wall, and an internal orifice connecting the internal hydraulic passage and the internal chamber; a catch piston slidably disposed in the outer piston; and a cone-shaped extension extending from the inner piston, wherein the cone-shaped extension is adapted to provide a variable flow area through the outer piston orifice to provide improved engine valve seating.Type: GrantFiled: September 18, 2008Date of Patent: December 20, 2011Assignee: Jacobs Vehicle Systems, Inc.Inventors: John A. Schwoerer, Zhou Yang, Ryan C. Noss, Brian L. Ruggiero, Neil E. Fuchs
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Publication number: 20100319657Abstract: Systems and methods for providing compression-release and partial bleeder braking engine valve actuation are disclosed. In an embodiment of the present invention, a cam may be provided with a main exhaust lobe and a compression-release or partial bleeder lobe and a base circle portion between the two lobes. A rocker arm including an internal rocker passage may be operatively connected to the cam. The rocker arm may contact a valve bridge at a central portion. The valve bridge may be operatively connected to first and second engine valves at its first and second ends, respectively. A slave piston incorporated into the first end of the valve bridge and a master piston may be incorporated into the central portion of the valve bridge. A hydraulic circuit may be provided between the master and slave pistons.Type: ApplicationFiled: June 2, 2010Publication date: December 23, 2010Applicant: Jacobs Vehicle Systems, Inc.Inventors: Sotir Dodi, Brian L. Ruggiero
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Patent number: 7793624Abstract: Apparatus and methods for hydraulic valve actuation of engine valves are disclosed. An exemplary embodiment of the present invention may include a lost motion piston assembly that transfers motion between first and second rocker arms to selectively provide auxiliary engine valve actuation motions to the engine valves for engine operations such as engine braking and exhaust gas recirculation. The lost motion piston assembly may reduce or eliminate transient loads that may otherwise be transmitted to engine valve train elements during the times that lost motions systems are turned on and off for auxiliary valve actuations.Type: GrantFiled: October 29, 2007Date of Patent: September 14, 2010Assignee: Jacobs Vehicle Systems, Inc.Inventors: Robb Janak, Brian L. Ruggiero, Jonathan W. Prusak
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Publication number: 20090184273Abstract: A variable valve actuation system to actuate and control the seating velocity of an internal combustion engine valve is disclosed. The system comprises: a housing having a bore formed therein; an outer piston slidably disposed in the bore, said outer piston having an internal hydraulic passage, an internal chamber defined by an outer piston side wall, and an internal orifice connecting the internal hydraulic passage and the internal chamber; a catch piston slidably disposed in the outer piston; and a cone-shaped extension extending from the inner piston, wherein the cone-shaped extension is adapted to provide a variable flow area through the outer piston orifice to provide improved engine valve seating.Type: ApplicationFiled: September 18, 2008Publication date: July 23, 2009Inventors: John A. Schwoerer, Zhou Yang, Ryan C. Noss, Brian L. Ruggiero, Neil E. Fuchs
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Patent number: 7500466Abstract: Systems and methods of actuating two engine valves associated with a common engine cylinder using one or more lost motion systems and one or more control valves are disclosed. The control valves are capable of selectively trapping hydraulic fluid in the lost motion systems for auxiliary engine valve actuations and selectively releasing the hydraulic fluid to default to cam controlled valve seating of the engine valves. The systems may provide a combination of main exhaust, compression release, exhaust gas recirculation and early exhaust valve opening in preferred embodiments.Type: GrantFiled: June 29, 2007Date of Patent: March 10, 2009Assignee: Jacobs Vehicle Systems, Inc.Inventors: Ryan C. Noss, Brian L. Ruggiero
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Publication number: 20080308055Abstract: A variable valve actuation system to actuate and control the seating velocity of an internal combustion engine valve is disclosed. The system may comprise a rocker arm that includes first, second and third contact surfaces. The first contact surface may contact the engine valve. A hydraulic lost motion system may contact the rocker arm at the second contact surface, and a mechanical valve train element may contact the rocker arm at the third contact surface. The lost motion system may include a slave piston with a valve seating device incorporated therein. The lost motion system and the mechanical valve train element may be provided side by side at the end of the rocker arm opposite that of the engine valve.Type: ApplicationFiled: May 30, 2008Publication date: December 18, 2008Inventors: Bruce A. Swanbon, Brian L. Ruggiero
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Publication number: 20080196680Abstract: Apparatus and methods for hydraulic valve actuation of engine valves are disclosed. An exemplary embodiment of the present invention may include a lost motion piston assembly that transfers motion between first and second rocker arms to selectively provide auxiliary engine valve actuation motions to the engine valves for engine operations such as engine braking and exhaust gas recirculation. The lost motion piston assembly may reduce or eliminate transient loads that may otherwise be transmitted to engine valve train elements during the times that lost motions systems are turned on and off for auxiliary valve actuations.Type: ApplicationFiled: October 29, 2007Publication date: August 21, 2008Inventors: Robb Janak, Brian L. Ruggiero, Jonathan W. Prusak
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Patent number: 7152576Abstract: Lost motion systems and methods for providing engine valves with variable valve actuation for engine valve events are disclosed. The system may include a master piston hydraulically linked to a slave piston, and a dedicated cam operatively connected to the master piston. The slave piston may be disposed substantially perpendicular to the master piston in a common housing. The slave piston is adapted to actuate one or more engine valves. The slave piston may incorporate an optional valve seating assembly into its upper end. A trigger valve may be operatively connected to the master-slave hydraulic circuit to selectively release and add hydraulic fluid to the circuit.Type: GrantFiled: April 11, 2005Date of Patent: December 26, 2006Inventors: Richard Vanderpoel, Zhou Yang, Andrew Brzoska, Brian L Ruggiero, David B Smith, James Judd, Neil E Fuchs, Michael P. Dailey, Steven N Ernest