Patents by Inventor Scott Sjovall
Scott Sjovall 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: 8919321Abstract: An internal combustion engine for a vehicle, such as a motorcycle, includes a crankcase defining a sump, and a lubrication system scavenging oil from the crankcase and supplying oil to the crankshaft and to first and second cylinder heads. The lubrication system includes a pump with housing and rotor, the housing being fixed to the crankcase and the rotor being rotatable around a crankshaft axis and being rotated by the crankshaft. A plurality of oil supply passages extend through the crankcase, potentially including at least one being formed in the crankcase.Type: GrantFiled: February 28, 2014Date of Patent: December 30, 2014Assignee: S & S Cycle, Inc.Inventors: Geoffrey W. Burgess, Roy Meyer, Scott Sjovall, Jeffrey Bailey, Dan Kinsey
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Publication number: 20140174398Abstract: An internal combustion engine for a vehicle, such as a motorcycle, includes a crankcase defining a sump, and a lubrication system scavenging oil from the crankcase and supplying oil to the crankshaft and to first and second cylinder heads. The lubrication system includes a pump with housing and rotor, the housing being fixed to the crankcase and the rotor being rotatable around a crankshaft axis and being rotated by the crankshaft. A plurality of oil supply passages extend through the crankcase, potentially including at least one being formed in the crankcase.Type: ApplicationFiled: February 28, 2014Publication date: June 26, 2014Applicant: S & S CYCLE, INC.Inventors: Geoffrey W. Burgess, Roy Meyer, Scott Sjovall, Jeffrey Bailey, Dan Kinsey
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Patent number: 8726869Abstract: An internal combustion engine for a vehicle, such as a motorcycle, includes a crankcase, two banks of cylinders projecting from the crankcase in a 56-57 degree V-configuration, a plurality of pushrods, and a plurality of camshafts supported by the crankcase. The two banks of cylinders include a first cylinder bank that projects from the crankcase to a first cylinder head, and a second cylinder bank that projects from the crankcase to a second cylinder head. The plurality of intake and exhaust valve pushrods extend between the crankcase and the first and second cylinder heads, driven by one intake camshaft and two exhaust camshafts.Type: GrantFiled: July 23, 2013Date of Patent: May 20, 2014Assignee: S & S Cycle, Inc.Inventors: Geoffrey Burgess, Roy Meyer, Scott Sjovall, Jeffrey Bailey, Dan Kinsey
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Publication number: 20130306023Abstract: An internal combustion engine for a vehicle, such as a motorcycle, includes a crankcase, two banks of cylinders projecting from the crankcase in a 56-57 degree V-configuration, a plurality of pushrods, and a plurality of camshafts supported by the crankcase. The two banks of cylinders include a first cylinder bank that projects from the crankcase to a first cylinder head, and a second cylinder bank that projects from the crankcase to a second cylinder head. The plurality of intake and exhaust valve pushrods extend between the crankcase and the first and second cylinder heads, driven by one intake camshaft and two exhaust camshafts.Type: ApplicationFiled: July 23, 2013Publication date: November 21, 2013Applicant: S & S Cycle, Inc.Inventors: Geoffrey Burgess, Roy Meyer, Scott Sjovall, Jeffrey Bailey, Dan Kinsey
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Patent number: 8511273Abstract: An internal combustion engine for a vehicle, such as a motorcycle, includes a crankcase, two banks of cylinders projecting from the crankcase in a 56-57 degree V-configuration, a plurality of pushrods, and a plurality of camshafts supported by the crankcase. The two banks of cylinders include a first cylinder bank that projects from the crankcase to a first cylinder head, and a second cylinder bank that projects from the crankcase to a second cylinder head. The plurality of intake and exhaust valve pushrods extend between the crankcase and the first and second cylinder heads, driven by one intake camshaft and two exhaust camshafts.Type: GrantFiled: July 13, 2011Date of Patent: August 20, 2013Assignee: S & S Cycle, Inc.Inventors: Geoffrey W. Burgess, Roy Meyer, Bill Swiggum, Dan Kinsey, Scott Sjovall, Joseph A. Gudgeon, Jeffrey Bailey, Kyle Ridlon, Michael J. Scaletta, Nathan L. Oium
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Publication number: 20110265745Abstract: An internal combustion engine for a vehicle, such as a motorcycle, includes a crankcase, two banks of cylinders projecting from the crankcase in a 56-57 degree V-configuration, a plurality of pushrods, and a plurality of camshafts supported by the crankcase. The two banks of cylinders include a first cylinder bank that projects from the crankcase to a first cylinder head, and a second cylinder bank that projects from the crankcase to a second cylinder head. The plurality of intake and exhaust valve pushrods extend between the crankcase and the first and second cylinder heads, driven by one intake camshaft and two exhaust camshafts.Type: ApplicationFiled: July 13, 2011Publication date: November 3, 2011Inventors: Geoffrey W. Burgess, Roy Meyer, Bill Swiggum, Dan Kinsey, Scott Sjovall, Joseph A. Gudgeon, Jeffrey Bailey, Kyle Ridlon, Michael J. Scaletta, Nathan L. Oium
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Patent number: 8011333Abstract: An internal combustion engine for a vehicle, such as a motorcycle, includes a crankcase, two banks of cylinders projecting from the crankcase in a 56-57 degree V-configuration, a plurality of pushrods, and a plurality of camshafts supported by the crankcase. The two banks of cylinders include a first cylinder bank that projects from the crankcase to a first cylinder head, and a second cylinder bank that projects from the crankcase to a second cylinder head. The plurality of intake and exhaust valve pushrods extend between the crankcase and the first and second cylinder heads, driven by one intake camshaft and two exhaust camshafts.Type: GrantFiled: June 9, 2009Date of Patent: September 6, 2011Assignee: S & S Cycle, Inc.Inventors: Geoffrey W. Burgess, Roy Meyer, Bill Swiggum, Dan Kinsey, Scott Sjovall, Joseph A. Gudgeon, Jeffrey Bailey, Kyle Ridlon, Michael J. Scaletta, Nathan L. Oium
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Patent number: 7703423Abstract: An internal combustion engine (300) for a vehicle, such as a motorcycle (20), includes a crankcase (380), two banks of cylinders (320a, 320b) projecting from the crankcase (380) in a V-configuration, a plurality of pushrods (364), and a plurality of camshafts (360a, 360b, 360c) supported by the crankcase (380). The two banks of cylinders (320a, 320b) include a first cylinder bank that projects from the crankcase (380) to a first cylinder head (340a), and a second cylinder bank that projects from the crankcase (380) to a second cylinder head (340b). The plurality of pushrods (364) extend between the crankcase (380) and the first and second cylinder heads (340a, 340b), and the plurality of camshafts include only the first, second and third camshafts (360a, 360b, 360c).Type: GrantFiled: November 18, 2005Date of Patent: April 27, 2010Assignee: S & S Cycle, Inc.Inventors: Geoffrey W. Burgess, Roy Meyer, Dan Kinsey, Scott Sjovall, Jeffrey Bailey, Nathan L. Oium
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Publication number: 20100037844Abstract: A cylinder head for an internal combustion engine includes at least one rocker arm assembly for an internal combustion engine is disclosed comprising a rocker arm cradle, a rocker shaft, and a rocker arm. The cradle adds design flexibility since it can be mounted in different orientations based on functional requirements of the engine, yet good rocker arm operation is maintained. Also, the engine includes a cylinder head that contains an air cooling passage and an improved oil distribution system.Type: ApplicationFiled: August 12, 2009Publication date: February 18, 2010Inventors: Dan Kinsey, Eric Orvis Wangen, Scott Sjovall
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Patent number: 7644694Abstract: A rocker box, pushrod assembly, oil delivery system, tappets and tappet guides are provided for an engine, particularly a motorcycle engine. The rocker box includes a separable upper portion and lower portion with a seal for sealing the upper portion and lower portion when coupled together. The pushrod assembly includes an adjusting unit that collapses into a pushrod shaft. The oil delivery system includes an oil passageway(s) in a rocker shaft of a rocker arm assembly, and at least one of an oil passageway(s) in a rocker box and an oil passageway(s) in a pushrod assembly.Type: GrantFiled: August 1, 2007Date of Patent: January 12, 2010Assignee: S&S Cycle, Inc.Inventors: Brian Hanold, Floyd Baker, Bruce Tessmer, Scott Sjovall
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Publication number: 20090241869Abstract: An internal combustion engine for a vehicle, such as a motorcycle, includes a crankcase, two banks of cylinders projecting from the crankcase in a 56-57 degree V-configuration, a plurality of pushrods, and a plurality of camshafts supported by the crankcase. The two banks of cylinders include a first cylinder bank that projects from the crankcase to a first cylinder head, and a second cylinder bank that projects from the crankcase to a second cylinder head. The plurality of intake and exhaust valve pushrods extend between the crankcase and the first and second cylinder heads, driven by one intake camshaft and two exhaust camshafts.Type: ApplicationFiled: June 9, 2009Publication date: October 1, 2009Inventors: Geoffrey W. Burgess, Roy Meyer, Bill Swiggum, Dan Kinsey, Scott Sjovall, Joseph A. Gudgeon, Jeffrey Bailey, Kyle Ridlon, Michael J. Scaletta, Nathan L. Oium
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Patent number: 7581525Abstract: A rocker box, pushrod assembly, oil delivery system, tappets and tappet guides are provided for an engine, particularly a shovelhead motorcycle engine. The rocker box includes a separable upper portion and lower portion with a seal for sealing the upper portion and lower portion when coupled together. The pushrod assembly includes an adjusting unit that collapses into a pushrod shaft. The oil delivery system includes an oil passageway(s) in a rocker shaft of a rocker arm assembly, and at least one of an oil passageway(s) in a rocker box and an oil passageway(s) in a pushrod assembly.Type: GrantFiled: August 1, 2007Date of Patent: September 1, 2009Assignee: S & S Cycle, Inc.Inventors: Brian Hanold, Floyd Baker, Bruce Tessmer, Scott Sjovall
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Patent number: 7581467Abstract: A motorcycle transmission (100) utilizes a shift fork (45), a shift collar (30) including a plurality of engagement teeth (30c) and a collar rib (30a) and a gear (34) (or one of the other six gears). The engagement teeth (30c) drive the teeth (34a) of the gear (34). A trap door (49), in combination with a threaded retainer (55), reduces axial play in shafts (37) and (75).Type: GrantFiled: July 7, 2006Date of Patent: September 1, 2009Assignee: TEAM Industries, Inc.Inventors: Jeffrey Ivan Peterman, Brian George Eck, Karl Michael Leisenheimer, Scott A. Sjovall
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Publication number: 20080127916Abstract: An internal combustion engine (300) for a vehicle, such as a motorcycle (20), includes a crankcase (380), two banks of cylinders (320a, 320b) projecting from the crankcase (380) in a V-configuration, a plurality of pushrods (364), and a plurality of camshafts (360a, 360b, 360c) supported by the crankcase (380). The two banks of cylinders (320a, 320b) include a first cylinder bank that projects from the crankcase (380) to a first cylinder head (340a), and a second cylinder bank that projects from the crankcase (380) to a second cylinder head (340b). The plurality of pushrods extend between the crankcase (380) and the first and second cylinder heads (340a, 340b), and the plurality of camshafts include only the first, second and third camshafts (360a, 360b, 360c).Type: ApplicationFiled: November 18, 2005Publication date: June 5, 2008Applicant: S&S Cycle Inc.Inventors: Geoffrey W. Burgess, Roy Meyer, Bill Swiggum, Dan Kinsey, Scott Sjovall, Joseph A. Gudgeno, Jeffrey Bailey, Kyle Ridlon, Michael J. Scaletta, Nathan L. Oium
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Publication number: 20070266969Abstract: A rocker box, pushrod assembly, oil delivery system, tappets and tappet guides are provided for an engine, particularly a shovelhead motorcycle engine. The rocker box includes a separable upper portion and lower portion with a seal for sealing the upper portion and lower portion when coupled together. The pushrod assembly includes an adjusting unit that collapses into a pushrod shaft. The oil delivery system includes an oil passageway(s) in a rocker shaft of a rocker arm assembly, and at least one of an oil passageway(s) in a rocker box and an oil passageway(s) in a pushrod assembly.Type: ApplicationFiled: August 1, 2007Publication date: November 22, 2007Applicant: S & S Cycle, Inc.Inventors: Brian Hanold, Floyd Baker, Bruce Tessmer, Scott Sjovall
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Publication number: 20070266987Abstract: A rocker box, pushrod assembly, oil delivery system, tappets and tappet guides are provided for an engine, particularly a shovelhead motorcycle engine. The rocker box includes a separable upper portion and lower portion with a seal for sealing the upper portion and lower portion when coupled together. The pushrod assembly includes an adjusting unit that collapses into a pushrod shaft. The oil delivery system includes an oil passageway(s) in a rocker shaft of a rocker arm assembly, and at least one of an oil passageway(s) in a rocker box and an oil passageway(s) in a pushrod assembly.Type: ApplicationFiled: August 1, 2007Publication date: November 22, 2007Applicant: S & S Cycle, Inc.Inventors: Brian Hanold, Floyd Baker, Bruce Tessmer, Scott Sjovall
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Publication number: 20070266968Abstract: A rocker box, pushrod assembly, oil delivery system, tappets and tappet guides are provided for an engine, particularly a shovelhead motorcycle engine. The rocker box includes a separable upper portion and lower portion with a seal for sealing the upper portion and lower portion when coupled together. The pushrod assembly includes an adjusting unit that collapses into a pushrod shaft. The oil delivery system includes an oil passageway(s) in a rocker shaft of a rocker arm assembly, and at least one of an oil passageway(s) in a rocker box and an oil passageway(s) in a pushrod assembly.Type: ApplicationFiled: August 1, 2007Publication date: November 22, 2007Applicant: S & S Cycle, Inc.Inventors: Brian Hanold, Floyd Baker, Bruce Tessmer, Scott Sjovall
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Publication number: 20070211975Abstract: An inner primary bearing race includes a tapered inside diameter portion to prevent the inner primary bearing race from walking down a transmission mainshaft into engagement with a transmission output seal or transmission output gear. Tools and methods of installing the inner primary bearing race are also described.Type: ApplicationFiled: March 5, 2007Publication date: September 13, 2007Applicant: S & S Cycle, Inc.Inventors: Justin Bramstedt, Scott Sjovall
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Patent number: 7246610Abstract: An internal combustion engine includes a cylinder head and rocker box assembly that includes a duct arrangement that removes blow-by gases. In a first embodiment, a duct is formed from the upper surface of the cylinder head aligned with an opening in the bottom of the rocker box and proceeds to horizontal sections leading to a fitting with a line leading to an intake manifold. In a second embodiment, a single straight duct includes a straight angled portion extending downward at an oblique angle to the upper surface of the cylinder head to an intake port in the cylinder head. Action of the engine draws the unwanted gases from the rocker box through the opening of the ducts to an intake of the engine.Type: GrantFiled: October 7, 2003Date of Patent: July 24, 2007Assignee: S & S Cycle, Inc.Inventors: Scott A. Sjovall, Eric Orvis Wangen, Nathan L. Oium, Jeffrey John Bailey
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Publication number: 20060037811Abstract: A muffler assembly is provided including a diffuser adapted to expand exhaust gas entering the muffler assembly, an insert with at least one opening through which exhaust gas passes to exit the muffler assembly, and a baffle-less sound dampening portion to muffle engine sound. Preferably, the muffler assembly is of a double walled configuration with insulation provided between an inner wall and an outer wall.Type: ApplicationFiled: August 20, 2004Publication date: February 23, 2006Applicant: S & S Cycle, Inc.Inventors: Steve Kensok, Rob Andolsek, Scott Sjovall, Roy Meyer, Gary Gilbertson