Patents by Inventor Sam A. Kuznets
Sam A. Kuznets 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: 7691018Abstract: A blade tensioner system for a chain that imparts tension to a chain that drivingly connects to a driven shaft to a drive shaft in an engine. The blade tensioner comprises a blade shoe and mating block. The blade shoe has an arcuately curved chain sliding face, a proximal end portion, and a distal end portion having a pair of tapered sides joined by a bottom and at an angle. The mating block has a channel with a pair of tapered sides joined by a bottom and at a second angle for receiving the distal end portion. When load on the chain increases, the tapered sides of the distal end portion and the bottom contact and wedge with the tapered sides of the channel of the mating block, damping chain vibration.Type: GrantFiled: April 1, 2005Date of Patent: April 6, 2010Assignee: BorgWarner, Inc.Inventors: J. Christian Haesloop, Sam A. Kuznets
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Patent number: 7632200Abstract: A chain tensioning device links multiple tensioning arms to a common link, causing the tensioning arms to rotate into and displace chain strands with a single applied force and motion. The two tensioning arms rotate and tension proportionally, and when the pivot pin distances are equal, the two tensioning arms rotate and tension equally. The chain tensioner is preferably used to tension two slack chains flanking an auxiliary drive shaft. The chain tensioner is biased against the chain by a hydraulic tensioning assembly in one embodiment and by a spring tensioning assembly in another embodiment.Type: GrantFiled: June 6, 2005Date of Patent: December 15, 2009Assignee: BorgWarner Inc.Inventors: George L. Markley, Sam A. Kuznets
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Patent number: 7455606Abstract: A blade tensioner comprising a blade shoe with a proximal end pivotally attached to the bracket and a distal end of a clevis shape having a raised portion and a recessed portion for receiving a semicircular ratchet wheel, with an edge of the raised portion defined by a radial journal in between a pair of shoulders. The ratchet wheel is pivotally attached to the recessed portion of the distal end of the blade shoe having a plurality of ratchet teeth, a pair of shoulders, and a reduced diameter portion forming a bearing surface with the radial journal of the raised portion of the distal end. A ramp surface having a plurality of ramp teeth that receives the ratchet teeth of the ratchet wheel and allows freedom of movement in the direction of the pivot pin, but limits movement in the opposite direction to the designated backlash.Type: GrantFiled: June 8, 2005Date of Patent: November 25, 2008Assignee: BorgWarner Inc.Inventors: George L. Markley, Sam A. Kuznets
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Publication number: 20060281594Abstract: A blade tensioner comprising a blade shoe with a proximal end pivotally attached to the bracket and a distal end of a clevis shape having a raised portion and a recessed portion for receiving a semicircular ratchet wheel, with an edge of the raised portion defined by a radial journal in between a pair of shoulders. The ratchet wheel is pivotally attached to the recessed portion of the distal end of the blade shoe having a plurality of ratchet teeth, a pair of shoulders, and a reduced diameter portion forming a bearing surface with the radial journal of the raised portion of the distal end. A ramp surface having a plurality of ramp teeth that receives the ratchet teeth of the ratchet wheel and allows freedom of movement in the direction of the pivot pin, but limits movement in the opposite direction to the designated backlash.Type: ApplicationFiled: June 8, 2005Publication date: December 14, 2006Applicant: BorgWarner Inc.Inventors: George Markley, Sam Kuznets
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Publication number: 20060276285Abstract: A chain tensioning device links multiple tensioning arms to a common link, causing the tensioning arms to rotate into and displace chain strands with a single applied force and motion. The two tensioning arms rotate and tension proportionally, and when the pivot pin distances are equal, the two tensioning arms rotate and tension equally. The chain tensioner is preferably used to tension two slack chains flanking an auxiliary drive shaft. The chain tensioner is biased against the chain by a hydraulic tensioning assembly in one embodiment and by a spring tensioning assembly in another embodiment.Type: ApplicationFiled: June 6, 2005Publication date: December 7, 2006Applicant: BorgWarner Inc.Inventors: George Markley, Sam Kuznets
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Publication number: 20060223661Abstract: A blade tensioner system for a chain that imparts tension to a chain that drivingly connects to a driven shaft to a drive shaft in an engine. The blade tensioner comprises a blade shoe and mating block. The blade shoe has an arcuately curved chain sliding face, a proximal end portion, and a distal end portion having a pair of tapered sides joined by a bottom and at an angle. The mating block has a channel with a pair of tapered sides joined by a bottom and at a second angle for receiving the distal end portion. When load on the chain increases, the tapered sides of the distal end portion and the bottom contact and wedge with the tapered sides of the channel of the mating block, damping chain vibration.Type: ApplicationFiled: April 1, 2005Publication date: October 5, 2006Applicant: BorgWarner Inc.Inventors: J. Haesloop, Sam Kuznets
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Patent number: 5989139Abstract: A hydraulic tensioner having a rack and ratchet system that provides a no-return function, limits maximum piston travel outward from the housing, and retains the piston in place for shipping. The rack and ratchet system includes a ratchet clip with flexible tabs and a plurality of grooves on the outside of a piston.Type: GrantFiled: January 15, 1999Date of Patent: November 23, 1999Assignee: Borg-Warner Automotive, Inc.Inventors: E. Paul Dusinberre, II, Sam A. Kuznets, Roger T. Simpson
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Patent number: 5700214Abstract: A hydraulic chain tensioner has a locking mechanism that includes three grooves and a ring located along the body of the piston. The ring sits partially within each of the first and second grooves to lock the piston into shipping position and completely within the third groove during operation of the tensioner.Type: GrantFiled: March 20, 1996Date of Patent: December 23, 1997Assignee: Borg-Warner Automotive, Inc.Inventors: Sam A. Kuznets, John Mortellaro, Jr.
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Patent number: 5346436Abstract: A hydraulic chain tensioner has an air vent. The tensioner includes a housing having a fluid filled chamber and a hollow plunger slidably received within the chamber and biased in a protruding direction by a spring. The plunger has an upper end with an aperture. The vent includes a disk biased by the spring against the inside of the upper end of the plunger. With the disk having at least one channel formed on at least one side of the disk. The channel has a first end at the periphery of the disk and a second end at a position to establish a connection between the atmosphere and the chamber through the aperture in the upper end of the plunger.Type: GrantFiled: September 23, 1993Date of Patent: September 13, 1994Assignee: Borg-Warner Automotive, Inc.Inventors: Francis J. Hunter, Mark M. Wigsten, Sam A. Kuznets