DAYCO PRODUCTS, LLC Patent applications |
Patent application number | Title | Published |
20130332488 | VIN SCAN/CODE CATALOG AND INFORMATION LOOKUP - Electronic-based systems and methods for enhancing a user's experience when shopping for components of a mechanical or electrical device or apparatus, which include downloadable software (i.e., a mobile device application) that provides access to component information/data using the mobile device, in particular component information/data provided by a manufacturer from its personal database, electronic devices that include such software, and methods of accessing the component information and optionally, acting upon the information to order the component. | 12-12-2013 |
20130260933 | SEALED BELT TENSIONING DEVICE - A tensioning system including a base and an arm pivotally coupled to the base, the arm having an engagement surface and being configured to pivot relative to the base about a pivot axis. The system further includes a biasing mechanism operatively coupled to the arm to bias the arm relative to the base, and a seal assembly sealingly positioned between the arm and the base. The seal assembly is coaxial with the pivot axis and configured to accommodate relative axial movement between the base and the arm and relative radial movement between the base and the arm while still maintaining a seal therebetween. | 10-03-2013 |
20130217526 | BELT TENSIONING DEVICE WITH VARIABLE SPRING FACTOR - A tensioning system including a base and an arm pivotally coupled to the base, the arm having an engagement surface thereon. The system further includes a biasing mechanism operatively coupled to the arm to bias the arm relative to the base. The biasing mechanism includes a coil spring having a plurality of coils, at least some of the coils or parts thereof being configured to switch between an activated state and deactivated state based upon a position of the arm relative to the base. | 08-22-2013 |
20130217525 | BELT TENSIONING DEVICE WITH LOCATING PIN - A tensioning system including a body having a base and an engagement surface pivotally coupled to the base. The system further includes a biasing mechanism operatively coupled to the engagement surface to bias the engagement surface relative to the base, and a locating device coupled to the body. The locating device is configured to rotationally position the tensioning system, and the locating device has an adjustable effective length. | 08-22-2013 |
20130085027 | FLATWIRE RADIAL ASYMMETRIC DAMPING BY COIL REACTION PATH - What is described is an improved asymmetric damping apparatus which utilizes a flatwire spring to provide both bias in the tensioning direction for a belt tensioner and asymmetric damping against sudden rotational movement of the belt tensioner in the winding direction. | 04-04-2013 |
20120319324 | MODULAR MOLDING SYSTEM - A molding system including a component formed in a generally closed loop shape and having a plurality of radially extending teeth. The component includes a plurality of discrete segments coupled together. | 12-20-2012 |
20120214630 | V-RIBBED BELT HAVING AN OUTER SURFACE WITH IMPROVED COEFFICIENT OF FRICTION - A V-ribbed belt for a mechanical power transmission. The V-ribbed belt comprises an outer back-side surface, an inner front-side surface, and a load-carrying section disposed between the front-side and back-side surfaces. The front-side surface includes a plurality of laterally spaced longitudinally extending v-ribs. The back-side surface includes a plurality of raised features that, when running on a flat-faced, back-side pulley, form a contact patch of about 20% to about 50% of that of a traditional flat-faced belt running on a flat-faced pulley. The reduced contact patch provides increased contact pressure which in turn provides an improved effective coefficient of friction between the belt and the pulley. | 08-23-2012 |
20120058848 | Tensioner With Expanding Spring For Radial Frictional Asymmetric Damping - A tensioner may be part of a power system to tension an endless power transmitting element. The tensioner includes an arm having an arm arbor with a slot therethrough that is rotatable about a first axis, a bushing having a sleeve that includes a cut-out and a removable sleeve-segment that has a protrusion thereon, the sleeve-segment being receivable in the cut-out with the protrusion in the slot, and a spring coupled to the arm for rotation of the arm about the first axis into tensioning engagement with a power transmitting element. The spring is positioned where it can radially expand into contact with the protrusion of the bushing, at least the protrusion on the sleeve-segment, as the arm is rotated in a direction opposite the direction of tensioning engagement such that the bushing is urged radially outward relative to the arm arbor to provide frictional damping. | 03-08-2012 |
20120058847 | TENSIONER WITH EXPANDING SPRING FOR RADIAL FRICTIONAL ASYMMETRIC DAMPING - A tensioner is disclosed that may be part of a power system where the tensioner provides tension to an endless power transmitting element such as a belt, chain, or other continuous loop. The tensioner has an arm that is rotatable about a first axis and includes an arm arbor having a slot therethrough, a bushing having a protrusion and being positioned adjacent the arm arbor with the protrusion received in the arm arbor's slot, and a spring coupled to the arm urging the arm to rotate about the first axis into tensioning engagement with a power transmitting element. The spring is positioned where it can radially expand into contact with the protrusion of the bushing as the arm is rotated in a direction opposite the direction of tensioning engagement such that the bushing is urged radially outward relative to the arm arbor to provide frictional damping. | 03-08-2012 |
20110312455 | RADIAL DAMPING MECHANISM AND USE FOR BELT TENSIONING - A tensioner for an endless power transmitting element in a drive system is disclosed that includes an arm rotatable about an axis and having a sleeve that includes a ramp face or contoured face, a damper cup having a protrusion and a plate, a spring case that houses the sleeve of the arm and the damper cup with the damper cup's plate mated with the ramp face or contoured face of the sleeve. During wind-up of the tensioner, a normal force is applied to the damper cup's protrusion that moves the plate along the ramp face or contoured face in a first direction, and in the first direction the ramp face or contoured face pushes the damper cup generally radially outward into the spring case to provide frictional damping. | 12-22-2011 |
20110300979 | Low Noise Pulley - Low-noise pulleys and methods of constructing low-noise pulleys are disclosed. In a first aspect, first and second pluralities of arms extending radially outward from the outer hub to the outer rim are angularly offset from each other about the axis of rotation to eliminate symmetry across the lateral midline of the pulley. In a second aspect, the radially outermost ends of a plurality of arms are arcuately spaced apart according to a pitch sequence describing a pseudo-random pattern of relative spacings so as to reduce or eliminate rotational symmetry of the pulley. In a third aspect, features of the first and second aspects are combined, and in one embodiment, first and second pluralities of arms are, respectively, approximately oppositely canted so as to vary the arcuate spacings of the laterally outermost ends of the arms. | 12-08-2011 |
20110294615 | ONE-WAY DAMPED OVER-ARM TENSIONER - A tensioner for a power transmitting element in a drive system is disclosed. The tensioner comprises a threaded shaft that includes threading and at least one non-threaded end and defines a pivot axis, an arm rotatable about the pivot axis on the non-threaded end of the threaded shaft, a torsion element biasing the arm to rotate about the pivot axis, a threaded nut threadedly connected to the threaded shaft. The threaded nut has a first surface in frictional engagement with the arm and is rotatable about the threading. The threaded nut acts as a one-way limited slip clutch to provide asymmetric damping to the arm and controlled resisting torque in a variable relative proportion compared to the mean torque and returning torque. | 12-01-2011 |
20110198185 | Pulley With Asymmetric Torque-Sensitive Clutching - A pulley assembly for an automobile accessory drive system includes a shaft engaging hub, a nut threaded onto the shaft engaging hub, an annular bushing, and one or more brake shoes positioned around the outside of the annular bushing all housed with a pulley member. The nut is capable of axial translation relative to the annular bushing and the annular bushing is capable of expanding radially outward in response to the axial translation of the nut in a first direction to provide frictional engagement between the inner coupling surface of the pulley member and the outer coupling surface of the brake shoes, which transfers torque from the pulley member to the input shaft. The nut includes a generally frustoconical outer surface, opposite its inner threaded surface, for seating the nut in the annular bushing. | 08-18-2011 |
20100323833 | BELT TENSIONER WITH DAMPING MEMBER - A tensioner for tensioning a belt includes a support housing at least in part defining a spring cavity. A damping member having a first friction bearing surface is at least partially disposed in the spring cavity. An arm pivotally attached to the support housing has a second friction bearing surface. A spring is located in the spring cavity and operatively connected to the arm and damping member to pivot the damping member about a pivot location such that the first friction bearing surface of the damping member is biased against the second friction bearing surface of the arm to dampen relative movement between the arm and the support housing. | 12-23-2010 |
20100147646 | PULLEY WITH ASYMMETRIC TORQUE-SENSITIVE CLUTCHING - A pulley assembly for use in an automobile accessory drive system includes a shaft engaging hub, a pulley member, a nut treaded onto the shaft engaging hub, and a brake member interposed between the pulley member and the nut. The shaft engaging hub is engaged with an accessory input shaft for rotation therewith. Frictional engagement between the pulley member, the brake member, and the nut transfers torque from the pulley member to the input shaft. The pulley member includes an inner coupling surface and a peripheral belt-engaging surface. The nut includes an outer coupling surface. The brake member includes a first coupling surface in frictional engagement the outer coupling surface of the nut and a second coupling surface in frictional engagement with the inner coupling surface of the pulley member. When torque is applied to the nut in a first direction the out coupling surface of the nut couples to the inner coupling surface of the brake member such that the hub and the nut rotate with the pulley member. The outer coupling surface of the nut and the inner coupling surface of the brake member decouple when torque applied to the nut is in a second direction opposite the first direction such that the hub rotates relative to the pulley member. | 06-17-2010 |
20080210486 | Energy attenuation device - An energy attenuation device for a liquid-conveying line, comprising metal tubing disposed in the liquid-conveying line, a spring disposed in the metal tubing, and a spring-retaining device associated with the metal tubing to prevent or limit movement of the spring in the metal tubing in a downstream direction. | 09-04-2008 |