Patents Assigned to Dayco Products, LLC
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Patent number: 6764632Abstract: An energy attenuation restrictor device for use in an energy attenuation apparatus for a conduit adapted to convey a liquid under pressure, particularly, in the power steering system of a vehicle wherein said energy attenuation restrictor device includes a tuning cable composed of a first organic polymer and a fitting member composed of a second organic polymer, and a method for molding the energy attenuation restrictor device are described.Type: GrantFiled: May 14, 2003Date of Patent: July 20, 2004Assignee: Dayco Products, LLCInventors: Jayanta Bhattacharyya, Terence E. Skiba
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Patent number: 6716021Abstract: An extrusion system for extruding a layer of a plastic or rubber material onto a work piece without having to continuously adjust the extrusion system during the “set-up” mode to “full-run” mode, wherein the extruded layer exhibits a predetermined cross-section size and a uniform wall gauge concentricity.Type: GrantFiled: August 7, 2001Date of Patent: April 6, 2004Assignee: Dayco Products, LLCInventors: Joseph C. Worley, Gene L. Patterson
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Patent number: 6692391Abstract: A tool for installation and removal of power transmission belts from fixed center pulleys in a power transmission system. The tool consists of a principal member for attaching to a pulley, thus absorbing forces created during installing and removing belts, and simplifying the process. Separate installing and removing devices are secured to the principal member and all configured to support and maneuver the belt while installing onto, or removing from, the selected pulley.Type: GrantFiled: May 7, 2002Date of Patent: February 17, 2004Assignee: Dayco Products, LLCInventors: Doug G. Gerring, David E. Gardner, Brian A. Brundage
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Patent number: 6689001Abstract: A tensioner for an endless power transmission belt, the belt being driven about a sheave. The tensioner may comprise a base, a resilient device, and first and second arms pivotally coupled for movement in an open and a closed direction. The tensioner may also comprise first and second pulleys rotatably coupled to the first and second arms, the resilient device biasing the arms in the closed direction in which the first and second pulleys apply tension to the belt. The tensioner may also comprise first and second stops positioned outside the arms on the base to limit the movement of the arms in the open direction in response to an increase in tension in the belt.Type: GrantFiled: December 12, 2001Date of Patent: February 10, 2004Assignee: Dayco Products, LLCInventors: Larry R. Oliver, Richard J. Meckstroth, Joseph W. Zamm
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Patent number: 6682452Abstract: A belt tensioner for a power transmission belt is provided that operates on an endless path and that utilizes asymmetric motion control. The belt tensioner has an arm with a belt engaging section and a drum section, a support member for securing the tensioner relative to the belt, where the arm pivots about the support member, and a tension spring that urges the arm to pivot about the support member in a first direction and urges the belt engaging section against the belt with a force to tension the belt. The belt tensioner further comprises a cavity between the arm and the support member and a bushing comprising a bowed flange positioned in the cavity.Type: GrantFiled: February 14, 2002Date of Patent: January 27, 2004Assignee: Dayco Products, LLCInventor: James G. Quintus
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Patent number: 6666238Abstract: A collar for use in a fuel filler assembly comprising: a first semicircular shaped structure having a first pair of terminal ends which lie in a common vertical plane, each of the terminal ends including at least two locking means, a top edge forming an upper semicircular rim, a bottom edge forming a lower semicircular rim, the top edge and the bottom edge lying in spaced apart horizontal planes with respect to each other, an outer circumferential side separating the top edge and the bottom edge; and a second semicircular shaped structure having a second pair of terminal ends which lie in a common vertical plane, the two terminal ends including at least two locking means, a top edge forming an upper semicircular rim, a bottom edge forming a lower semicircular rim, the top edge and the bottom edge lying in spaced apart horizontal planes with respect to each other, wherein the first semicircular shaped structure and the second semicircular shaped structure are locked together at the first and the second pair ofType: GrantFiled: June 13, 2002Date of Patent: December 23, 2003Assignee: Dayco Products, LLCInventors: Allen G. Crowley, David D. Chen, Mingchi Michael Tsai
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Patent number: 6666294Abstract: A belt driven power steering system for use in a vehicle to eliminate energy waste.Type: GrantFiled: January 10, 2002Date of Patent: December 23, 2003Assignee: Dayco Products, LLCInventors: Joey D. Edson, Billy L. Speer
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Patent number: 6652939Abstract: A fuel transport tube having improved fuel vapor permeation characteristics comprising an inner conductive nylon tubular structure, an aluminum barrier layer on the outside surface of the nylon inner tubular layer, and a non-conductive nylon layer on the outer surface of the aluminum layer; and a method for making the fuel transport tube are disclosed.Type: GrantFiled: September 13, 2001Date of Patent: November 25, 2003Assignee: Dayco Products, LLCInventors: Christopher W. Smith, Jerry Shifman, Jeremy Duke
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Patent number: 6640563Abstract: An electrically actuated clutch assembly for a compressor in an automotive air conditioner is described wherein clutch engagement to and disengagement with the compressor are momentary events with no electrical current being required to maintain the on and off states of the clutch.Type: GrantFiled: January 10, 2002Date of Patent: November 4, 2003Assignee: Dayco Products, LLCInventors: Richard J. Meckstroth, Daniel G. Engler
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Patent number: 6623822Abstract: A high performance thermoplastic hose useful as a power steering hose, the high performance thermoplastic hose comprising a high performance engineering thermoplastic such as polyurethane and a chlorine-containing polyolefin such as chlorinated polyethylene, chlorinated polypropylene, chlorinated copolymers containing ethylene and propylene, chlorosulfonated polyethylene, chlorosulfonated polypropylene, chlorosulfonated copolymers of ethylene and propylene or mixture thereof, is disclosed. Also disclosed are a method for manufacturing the high performance thermoplastic hose, and a thermoplastic vulcanizate capable of resisting chemical attack and withstanding temperatures up to about 300° F.Type: GrantFiled: October 2, 2002Date of Patent: September 23, 2003Assignee: Dayco Products, LLCInventor: Jayanta Bhattacharyya
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Patent number: 6604758Abstract: An assembly of a flexible elastomeric fluid conveying hose which comprises a rigid coupling and a member extending partially into the hose body. A stress relief member, in the form of a helical spring, is mounted directly on the coupling member and also inserted into the body to prevent kinking or collapsing of the hose. The rigid coupling may also be of the swivel type of various configurations.Type: GrantFiled: September 1, 2000Date of Patent: August 12, 2003Assignee: Dayco Products, LLCInventor: Kevin C. Assenheimer
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Patent number: 6591871Abstract: A tubular structure exhibiting fuel and vapor impermeability properties for use as a fuel transport hose, wherein the hose is constructed of a polyalkylene terephthalate material or a polyalkylene naphthalate material, wherein the polyalkylene terephthalate or the polyalklyene naphthalate material extends throughout the entire wall structure.Type: GrantFiled: September 13, 2001Date of Patent: July 15, 2003Assignee: Dayco Products, LLCInventors: Christopher W. Smith, Alan L. Edmonson, Jeremy Duke, Jerry Shifman, Jeffrey A. Swane
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Patent number: 6591870Abstract: An energy attenuation restrictor device for use in an energy attenuation apparatus for a conduit adapted to convey a liquid under pressure, particularly, in the power steering system of a vehicle wherein said energy attenuation restrictor device includes a tuning cable composed of a first organic polymer and a fitting member composed of a second organic polymer, and a method for molding the energy attenuation restrictor device are described.Type: GrantFiled: March 22, 2002Date of Patent: July 15, 2003Assignee: Dayco Products, LLCInventors: Jayanta Bhattacharyya, Terence E. Skiba
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Patent number: 6575860Abstract: A belt tensioner for a power transmission belt system includes: (a) a base housing having a pivot shaft extending therefrom; (b) a tension arm pivotally mounted on the pivot shaft at a proximal end thereof, the proximal end of the tension arm including a rub surface and the distal end of the tension arm adapted to contact a power transmission belt; (c) a torsion spring operatively coupled between the base housing and the tension arm and adapted to bias the distal end of the tension arm against the power transmission belt; and (d) a damper assembly coupled to the housing, the damper assembly including: (1) a body of friction material that includes a friction surface adjacent to and facing the rub surface of the tension arm and (2) a damper spring integral with the body of friction material and biasing the body of friction material and associated friction surface against the rub surface of the tension arm.Type: GrantFiled: February 28, 2001Date of Patent: June 10, 2003Assignee: Dayco Products, LLCInventor: Kevin G. Dutil
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Publication number: 20020165058Abstract: The invention provides a low modulus drive belt for an automotive accessory drive system that allows for relatively high elongation during installation and that maintains a relatively high percentage of its install tension throughout the useful life of the belt. The invention also provides an automotive accessory drive system that utilizes such a belt and a method for constructing such a belt. One embodiment of the invention is directed to an accessory drive system for an automobile that includes: (a) a drive pulley; (b) an accessory pulley operatively coupled to an accessory drive shaft; and (c) an endless drive belt engaged between the drive pulley and the accessory pulley, where the drive belt includes an endless band of rubber composite material having a plurality of circumferentially extending an axially aligned polyamide 6.6 twisted cords formed therewithin.Type: ApplicationFiled: May 3, 2001Publication date: November 7, 2002Applicant: Dayco Products, LLCInventor: Jay D. Swope
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Publication number: 20020151398Abstract: A pulley having a ceramic-type metallic oxide working surface exhibiting a wear rate which is inversely proportional to the wear surface hardness of said coated wear surface is described.Type: ApplicationFiled: April 12, 2001Publication date: October 17, 2002Applicant: Dayco Products, LLCInventor: Brian W. Campbell
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Publication number: 20020119850Abstract: A belt tensioner for a power transmission belt system includes: (a) a base housing having a pivot shaft extending therefrom; (b) a tension arm pivotally mounted on the pivot shaft at a proximal end thereof, the proximal end of the tension arm including a rub surface and the distal end of the tension arm adapted to contact a power transmission belt; (c) a torsion spring operatively coupled between the base housing and the tension arm and adapted to bias the distal end of the tension arm against the power transmission belt; and (d) a damper assembly coupled to the housing, the damper assembly including: (1) a body of friction material that includes a friction surface adjacent to and facing the rub surface of the tension arm and (2) a damper spring integral with the body of friction material and biasing the body of friction material and associated friction surface against the rub surface of the tension arm.Type: ApplicationFiled: February 28, 2001Publication date: August 29, 2002Applicant: Dayco Products, LLCInventor: Kevin G. Dutil
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Publication number: 20020094897Abstract: This invention provides an improved power transmission belt which has a relatively thick rubber backing layer for improved interface with associated pulleys and improved wear resistance. The belt also has an aramid, glass, or other high modulus relatively inextensible cord secured by a layer of fabric.Type: ApplicationFiled: January 17, 2001Publication date: July 18, 2002Applicant: DAYCO PRODUCTS, LLCInventors: Lance Love, Jack D. White
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Patent number: 6269841Abstract: An energy attenuation apparatus for a system conveying liquid under pressure is provided, wherein the apparatus is disposed in a liquid conveying line of said system. A restrictor or tubing section is disposed in a hose and divides the interior thereof into an inlet chamber and an outlet chamber that communicate with one another. A first tuning cable of polymeric material is disposed in the inlet chamber, with a first end of the tuning cable being connected to the inlet end of the inlet chamber for receiving liquid from the system, while a second open end of the tuning cable is spaced from the outlet end of the inlet chamber for conveying liquid thereto. A second tuning cable of polymeric material is disposed in the outlet chamber, with a first end of the tuning cable being connected to the restrictor or tubing for receiving the liquid, while a second open end of the tuning cable is spaced from the outlet end of the outlet chamber for conveying the liquid thereto.Type: GrantFiled: September 22, 2000Date of Patent: August 7, 2001Assignee: Dayco Products LLCInventors: Yungrwei Chen, Jack R. Cooper