Patents Issued in October 31, 2000
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Patent number: 6138595Abstract: A garment, and a method of constructing garments, is disclosed which substantially alleviates or eliminates sources of abrasion which hitherto caused holes in the garment substrate adjacent to pockets. The method includes one or more steps of reducing the number of fabric plies in the upper corner of pockets to increase flexibility and eliminate point abrasion, increasing the distance between the peripheral stitching line and the peripheral edge of the pocket to increase the flexibility of the peripheral edge of the pocket and eliminate line abrasion, decreasing the stitch density in bar tacks whereby the stitch hole made by each stitch in a bar tack is distinct and separate from the stitch holes made by other stitches in the bar tack, and eliminating over edge stitches which tie the pocket to the garment substrate.Type: GrantFiled: June 17, 1999Date of Patent: October 31, 2000Assignee: Levi Strauss & Co.Inventors: Gene F. Croyle, William Allen McLean, Jr.
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Patent number: 6138596Abstract: A hydraulic damper is provided for a steering system, such as that of a boat or watercraft. A manually movable steering mechanism, such as a steering wheel, is connected to a piston and cylinder combination in such a way that rotation of the steering wheel causes relative movement between the piston and cylinder. Hydraulic fluid is disposed within the cylinder in such a way that movement between the cylinder and piston requires the hydraulic fluid to move from one portion of the cylinder to another portion of the cylinder. This fluid movement is conducted through a conduit which can be external to the cylinder or internal to the cylinder and extending through the piston.Type: GrantFiled: September 22, 1999Date of Patent: October 31, 2000Assignee: Brunswick CorporationInventors: Steven J. Gonring, Kerry J. Treinen, Brian L. Fisher
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Patent number: 6138597Abstract: A lift-off cover assembly for barges includes adjacently positioned curved cover sections and end cover sections located at opposite ends of the adjacently positioned curved cover sections. The cover assembly includes a central walkway which extends between openings on the cover assembly and climbing stairs which are positioned so as to facilitate the travel of a cargo loading operated toward the openings. Additionally, each of openings can include cover members such as lids or doors which have handles or latches that are accessible from the central walkway. The cover assembly also includes weather seals that allow the placement of covers in different relative locations for use with barges having different dimensions.Type: GrantFiled: August 13, 1999Date of Patent: October 31, 2000Assignee: Proform Company LLCInventor: Robin L. Berg, Sr.
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Patent number: 6138598Abstract: Method and means to direct an anchored floating structure (1) against the direction of the waves, where said structure at its fore end is moored to a buoy or the like. The floating structure is provided with one or more turnable wind rudder(s) (5) at its aft end, where said rudder(s) may be adjusted versus the direction of the wind in a manner that secures to direct the floating structure against the direction of the waves in a stable manner. The wind rudder or rudders (5) sections may advantageously have a wind profile- or a droplet-like shape.Type: GrantFiled: December 23, 1997Date of Patent: October 31, 2000Assignee: Norsk Hydro ASAInventors: Sigmund Askestad, Finn Gunnar Nielsen
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Patent number: 6138599Abstract: A buoyant walkway module for a boatlift is formed from a plurality of pneumatically discrete elongated compartments. Each of the compartments has a substantially flat upper horizontal exterior surface and complementary exterior end surfaces. With the end of one such module in abutment with the complementary end of another such module, the upper horizontal surfaces lie in the same plane so as to provide a suitable walkway for the boatman. Preferably, the end surfaces are perpendicular to the horizontal surface so as to provide maximum stability in the walkway.With the modules positioned in end-to-end relationship, they are coupled together by a flat plate disposed across the upper exterior surface of their junction and by a pair of straps extending longitudinally across the lower exterior surface at their junction.Type: GrantFiled: August 3, 1999Date of Patent: October 31, 2000Assignee: Hydrohoist International, Inc.Inventor: Todd A. Elson
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Patent number: 6138600Abstract: A float which may be utilized individually or which may be joined to other such floats or used with other elements to provide flotation for a deck or dock unit. Though the particular shapes and attributes of the float may vary for the particular use, the basic float consists of a hollow, preferably rotocast, unit which combines an exterior skin with attachment accommodations having a selectable top surface and a first and second flotation concept. The first flotation is provided by the buoyancy of the hollow structure with the second achieved through a plurality of selectively shaped and positioned cavities extending upwardly from the bottom surface of the float to a location at or adjacent the upper surface of the float. With this dual flotation provision, should the exterior skin of the float be pierced, allowing water to fill the interior thereof, flotation is provided by air entrapment within the formed cavities.Type: GrantFiled: December 7, 1999Date of Patent: October 31, 2000Assignee: Aggressive Industries, Inc.Inventor: Tomm A. Berquist
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Patent number: 6138601Abstract: A Vee bottom planing boat hull (32) has right and left steps (44 and 46) positioned so as to optimize the boat's trim angle at top speed, and defining right and left notches (48 and 50) in which are pivotally mounted left and right trim tabs (56 and 58) having forward leading edges (60 and 62) along oblique pivot axes (64 and 66) causing outer corners (102 and 104) of trailing edges (68 and 70) of the trim tabs to move downwardly more than inner corners (106 and 108) during downward pivoting of the trim tabs, providing an active hull to control boat trim angle and effectively reduce deadrise angle while maintaining a running surface trailing edge substantially free of discontinuities in the vertical direction.Type: GrantFiled: February 26, 1999Date of Patent: October 31, 2000Assignee: Brunswick CorporationInventors: Glenn Anderson, John O. Scherer
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Patent number: 6138602Abstract: A boat hull of exceptional performance and stability combines a deep V entry configuration transitioning to a catamaran-like after section to produce the soft water entry that is characteristic of a deep V design together with the lateral stability that is characteristic of a catamaran.Type: GrantFiled: October 14, 1998Date of Patent: October 31, 2000Inventor: Elton Mikell Cary
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Patent number: 6138603Abstract: An anchor in which an L-shaped shank has a single trapeziform fluke pivotally secured to the shorter leg of the L provides a larger surface area for the palm of the fluke. The fluke is configured such that a center of force is directed perpendicularly to the shorter leg of the L to minimize the tendency of the anchor to move sideways or crab.Type: GrantFiled: September 30, 1998Date of Patent: October 31, 2000Inventor: James Matthews Taylor
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Patent number: 6138604Abstract: A pelagic free swimming aquatic vehicle includes a rigid forebody having a predetermined volume; a watertight chamber in the forebody; and a flexible afterbody having a lesser volume than the forebody and including a maneuvering and propulsion propulsion structure and a drive system for driving the structure with a traveling sinusoidal wave motion.Type: GrantFiled: May 26, 1998Date of Patent: October 31, 2000Assignee: The Charles Stark Draper Laboratories, Inc.Inventors: Jamie M. Anderson, Peter A. Kerrebrock, Peter W. Sebelius
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Patent number: 6138605Abstract: There is provided an improved access and evacuation apparatus for an offshore platform, in which the apparatus comprises an articulated arm for rotatably mounting on an offshore platform. The arm comprises an inner part which has first and second ends and an outer part also having first and second ends. The first end of the inner part is adapted for rotatably mounting on the platform and the second end of the inner part is rotatably connected to the first end of the outer part. The arm is selectively moveable between an upper position in which the second end of the outer part is adjacent the platform, and a lower position in which the second end of the outer part is below the surface of the water and remote from the platform. There is also provided a winch and a cable operatively connecting the winch to the arm.Type: GrantFiled: August 5, 1998Date of Patent: October 31, 2000Assignee: Seascape Systems LimitedInventor: Daniel P. O'Brien
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Patent number: 6138606Abstract: An ion source apparatus is disclosed in this invention. The ion source apparatus includes an anode having an interior space for containing a plasma and an opening into the space. The ion source apparatus further includes a hollow cathode within the space. The ion source apparatus further includes a dopant ion-source composed of compounds comprising element selected from a group of elements consisting of silicon and germanium, the dopant ion-source disposed next to the space. The ion source apparatus further includes a voltage means connected to the anode, the hollow cathode, and the dopant ion source for discharging a plasma into the space for bombarding the dopant ion source for generating a dopant ion compound. The ion source apparatus further includes an ion-beam extracting means for extracting the dopant ion compound through the opening. In an alternate preferred embodiment, the ion source apparatus employs an electron beam device to generate the dopant ion compound.Type: GrantFiled: April 13, 1998Date of Patent: October 31, 2000Assignee: Advanced Materials Engineering Research, Inc.Inventor: Peiching Ling
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Patent number: 6138607Abstract: A device for automatically preparing and feeding liquid feed stuff for piglets. The device conserves labor and time while feeding the weanling piglets and improves both the feeding effect for SEW piglets and the feeding and mothering effect for weakened or motherless piglets. The device has a warm water supply unit, a dry feed stuff supply unit, and a mixing unit. The mixing unit repeatedly receives predetermined amounts of warm water and dry feed stuff from associated units under the control of a main controller at predetermined intervals prior to appropriately mixing the dry feed stuff with the warm water every time, thus forming liquid feed stuff prior to selectively supplying the liquid feed stuff to a plurality of feeding troughs for piglets.Type: GrantFiled: October 22, 1998Date of Patent: October 31, 2000Assignee: Republic of Korea represented by Rural Developement AdministrationInventors: Yong-Hee Ru, Duck-Soo Lee, Jung-Dae Han
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Patent number: 6138608Abstract: The invention is a covered pet bowl for use by an animal with a nose having a bowl with a perimeter, a lid with a lip attached and a hinge attached to the bowl and the lid so that the animal may, with the animal's nose against the lip, releasably lift the lid. The hinge can hold the bowl lid open at a plurality of selected heights above the perimeter so that the lid is not in contact with the bowl perimeter. The hinge allows the lid to be opened further by pressure under the lid from one of the plurality of selected heights to a larger opening. Upon the animal releasing the lip, the lid returns to one of the plurality of selected heights. The hinge includes an opening regulation means for maintaining the arc from the bowl to the lid lip to less than 60 degrees to allow gravity to re-close the lid to the at least one user selected opening after the lid is released from the larger opening.Type: GrantFiled: April 30, 1999Date of Patent: October 31, 2000Assignee: Flipper Feeder, Inc.Inventor: James H. Mosley
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Patent number: 6138609Abstract: A litter box including a housing for disposing therein litter for use by a pet, and a grinder for grinding excreta found in the litter box. The litter box preferably includes litter substantially impervious to grinding by the grinder. The litter box includes a filtering assembly for filtering the excreta, ground by the grinder, from the litter. The litter box preferably includes a cleansing liquid which is in fluid communication with the litter, Wherein the grinder agitates the litter and the cleansing liquid so as to cause cleansing of the litter.Type: GrantFiled: June 10, 1999Date of Patent: October 31, 2000Assignee: Pets 'n People Ltd.Inventor: Tal Gordon
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Patent number: 6138610Abstract: A small animal breeding apparatus has a frame structure in which a number of breeding spaces are defined. Each breeding space is provided with a pair of parallel guide rails fixed to the opposite inner sides of the breeding space and extending from the front side to the rear side. A breeding box provided in each breeding space has on opposite outer sides protrusions which are supported on the guide rails, respectively, for guided sliding movement. A breeding cage having an upper opening is placed on the bottom floor of the breeding box. An air supply pipe and an air exhaust pipe extend forward from the rear of the frame structure. When the breeding box is pushed rearward into the breeding space in guided movement along the guide rails, the air supply and exhaust pipes are caused to extend into the breeding box through insertion holes formed in a rear wall of the breeding box.Type: GrantFiled: July 28, 1999Date of Patent: October 31, 2000Assignees: Motohiro Niki, Etuko Niki, Mieko Niki, Atsushi Kidachi, Misako KidachiInventor: Motohiro Niki
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Patent number: 6138611Abstract: A dog coat for insulating a dog's body in cold weather. The coat is made from an elastic material for permitting the coat to expand and contract with a dog's body movements. The coat material is also water-repellant to protect the coat from water damage. A front portion of the coat has a concave portion forming a voided area when the coat is worn by a dog for permitting a dog's genitals to remain exposed while the coat covers a substantial portion of a dog's body. A plurality of fasteners are fixedly attached to a portion of the coat for releasably fastening two portions of the coat together around a dog.Type: GrantFiled: November 19, 1999Date of Patent: October 31, 2000Inventor: Inge Thielemann
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Patent number: 6138612Abstract: This invention relates to a slow pull dryer comprising a rectangular water tank and a wave eliminator. The water tank has four vertical side-walls and a bottom plate with a water hole for filling hot water wherein the hot water filled in the water tank can spill out of the water tank from the top side of one predetermined side-wall. The wave eliminator is installed at the bottom of the water tank. The lower side of the wave eliminator has a rectangular recess facing downward, and the upper side of the wave eliminator has a line-shaped opening in parallel with the predetermined side-wall. The hot water from the water hole flows into the recess and its flowing speed is slowed down in the recess. The line-shaped opening allows the hot water in the recess flow upward into the upper portion of the water tank and form a panel-shaped vertical water flow.Type: GrantFiled: October 20, 1999Date of Patent: October 31, 2000Assignee: Trace Storage Technology Corp.Inventors: Hui-Mei Chen, Yen-Hsien Ho, Jui-Sheng Hsueh, Cheng Chen, Yi-An Chen
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Patent number: 6138613Abstract: A gas water heater including a water container adapted to be heated by a gas burner; and an enclosure surrounding the burner, the enclosure having at least one entryway adapted to allow air and fumes to enter the enclosure without igniting flammable gases or vapors outside of the enclosure.Type: GrantFiled: August 21, 1998Date of Patent: October 31, 2000Assignee: SRP 687 Pty Ltd.Inventors: Brendan Vincent Bourke, Zoran Valcic, Geoffrey Mervyn Whitford
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Patent number: 6138614Abstract: An inlet tube or dip tube for use in a water heater includes a cylindrical tube having near its top end a plurality of outwardly-facing upper openings having a combined upper surface area. The tube also has near its bottom end a plurality of outwardly-facing lower openings having a combined lower surface area, and a downwardly-facing bottom opening defining a bottom surface area. The lower surface area is about fourteen times larger than the upper surface area, and about four times larger than the bottom surface area to provide an even distribution of water in the water heater tank.Type: GrantFiled: February 1, 1999Date of Patent: October 31, 2000Assignee: AOS Holding CompanyInventor: Roger Dale Shropshire
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Patent number: 6138615Abstract: A device improving the combustion of a fuel by a gaseous oxidant includes a fuel intake, an oxidant intake and apparatus for keeping naphthalene in solid form in the gaseous oxidant intake to load it with naphthalene vapors as it flows towards the combustion chamber. The apparatus for keeping the naphthalene in the gaseous oxidant current includes a cartridge filled with naphthalene and having apertures forcing the oxidant gas to pass through it directly along a direction coinciding with that of the flow of the oxidant gas to the combustion chamber.Type: GrantFiled: January 8, 1999Date of Patent: October 31, 2000Inventors: Jean-Louis Boisset, Patrick Jean Georges Siegler-Lathrop
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Patent number: 6138616Abstract: Apparatus is disclosed for supplying air to an internal combustion engine including an inlet for supplying air to at least one cylinder in the engine, a tank for storing additional air under pressure, a feeder for supplying additional air from the tank, a valve for supplying additional air to the cylinder from the feeder, the valve including a first valve portion for supplying the air to the cylinder, the first valve portion being moveable between a closed position in which the air cannot be supplied to the cylinder and an open position in which the air is supplied to the cylinder and including a passage connected to the feeder for supplying the additional air to the cylinder therethrough. Methods for supplying air to an internal combustion engine are also disclosed.Type: GrantFiled: May 6, 1999Date of Patent: October 31, 2000Assignee: AB VolvoInventor: Arne Svensson
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Patent number: 6138617Abstract: A cooling system has a radiator for cooling coolant of an automotive engine, cooling fan for cooling the coolant in the radiator, and a thermostat for controlling coolant temperature. The thermostat has a housing having a flange, an actuating rod secured to the housing at a first end thereof, a guide member slidably mounted on the actuating rod, a resilient seal spool provided around a second end portion of the actuating rod and secured to the guide member, a heat sensitive cylinder housing the seal spool and secured to the guide member, wax pellets provided in the heat sensitive cylinder to enclose the seal spool. The flange has a hole so as to pass a coolant, and the thickness of the resilient seal spool being set between 25% and 5% of the diameter of the actuating rod, thereby reducing a spring constant of a return spring of the thermostat. A cooling fan switch is provided for starting the cooling fan at a low coolant temperature.Type: GrantFiled: September 3, 1998Date of Patent: October 31, 2000Inventor: Yoshikazu Kuze
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Patent number: 6138618Abstract: The invention relates to a cooling water circulation system of an internal combustion engine, in particular of a motor vehicle, with a radiator, a pump, and a latent heat accumulator and/or an auxiliary heating device in the circulation system, wherein the pump that circulates the cooling water is a split sleeve motor pump whose speed can be regulated in accordance with temperature measuring data of the latent heat accumulator or of the auxiliary heating device and/or of the internal combustion engine.Type: GrantFiled: July 15, 1998Date of Patent: October 31, 2000Assignee: WILO GmbHInventor: Albert Genster
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Patent number: 6138619Abstract: The invention relates to a device for control of flow of a cooling medium which is led through a channel (5) in an internal combustion engine (1), comprising at least one flow directing element (14, 17, 23) arranged in the channel (5) for directing passing cooling medium in a predetermined direction. The invention is characterized in that said flow directing elements (14, 17, 23) are supported by a supporting element (13, 11, 16, 20) intended to be mounted on said internal combustion engine (1), with said flow directing elements (14, 17, 23) so arranged that they protrude from the supporting element (13, 11, 16, 20) and into said channel (5). The invention provides an improved device for controlling the direction of flow of a cooling medium in an internal combustion engine, thus creating a more optimal cooling of the internal combustion engine.Type: GrantFiled: September 9, 1998Date of Patent: October 31, 2000Assignee: AB VolvoInventor: Sassan Etemad
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Patent number: 6138620Abstract: An actuator is connected to one of components forming a power transmitting device capable of transmitting a power provided by a valve operating cam provided on a cam shaft, so that the actuator can drive an engine valve in a lift amount which is obtained by addition of a lift amount of the engine valve based on a cam profile of the valve operating cam and a lift amount of the engine valve based on the operation of the actuator. Thus, a portion of the lift amount of the engine valve is borne by the valve operating cam, whereby a valve-opening power borne by the actuator can be reduced, as compared with a system designed so that the engine valve is driven by only the actuator only. The amount of electric power consumed by the actuator can be smaller.Type: GrantFiled: October 28, 1998Date of Patent: October 31, 2000Assignee: Honda Giken Kogyo Kabushiki KaishaInventors: Hirotomi Nemoto, Tetsuya Ishiguro, Takeshi Gomi, Yuichi Shimasaki, Shigekazu Tanaka, Hidetoshi Ohishi
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Patent number: 6138621Abstract: An internal combustion engine having a hydraulic system for valve variable actuation and a hydraulic braking device for braking the valve in the final stage of its closing travel. A passage is provided for excluding the above mentioned braking when the engine is in operative conditions in which the fluid used in the device has a viscosity greater than a predetermined value.Type: GrantFiled: February 25, 1999Date of Patent: October 31, 2000Assignee: C.R.F. Societa Consortile per AzioniInventors: Stefano Albanello, Lorentino Macor, Rosario Nasto
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Patent number: 6138622Abstract: A device for adjusting the phase angle of a camshaft of an internal combustion engine includes an adjusting mechanism which is operated by an electric motor, the latter being rigidly connected to the camshaft or the camshaft drive gear. Reliable adjustment is obtained in a simple manner by providing the adjusting mechanism as a planetary gear set.Type: GrantFiled: September 16, 1998Date of Patent: October 31, 2000Assignee: TCG United AktiengesellschaftInventor: Siegfried Heer
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Patent number: 6138623Abstract: A device for adjusting the phase angle of a camshaft of an internal combustion engine relative to the camshaft driving gear includes a hydraulic adjusting element which is connected with both a member supporting the drive gear and a member rigidly connected to the camshaft. Simple and reliable adjustment of the camshaft phase is obtained by providing the hydraulic adjusting element with a hydraulic pumping member which is driven by the drive gear, and a driving member connected to the camshaft, which is hydraulically driven by the pumping member, the outlet end of the pumping member being flow-connected to the inlet end of the driving member and the flow volume and/or pressure of the working fluid delivered from the pumping member to the driving member being regulated.Type: GrantFiled: October 21, 1998Date of Patent: October 31, 2000Assignee: TCG Unitech AktiengesellschaftInventor: Siegfried Heer
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Patent number: 6138624Abstract: A tappet socket assembly for a rocker lever assembly or other lever assembly includes a retainer, a tappet socket, and a ball bearing. The rocker lever is adapted to be rocked about a pivot axis and includes a cylindrical opening or bore which partially receives the ball bearing. The retainer includes a cage provided by a plurality of legs and a cylindrical side wall insert. The side wall is secured within the cylindrical bore and press fitted therein by the ball bearing. The ball bearing exerts radially outward force on the retainer to secure the ball bearing and retainer to the rocker lever. The tappet socket includes a spherical concave recess that closely receives the ball bearing to provide a ball and socket joint and a flat engaging face for transferring the force of the rocker lever to a valve crosshead. The tappet socket is retained in the cage between the legs.Type: GrantFiled: March 1, 1999Date of Patent: October 31, 2000Assignee: Cummins Engine Company, Inc.Inventors: John G. Wolck, Mark B. Hinderleider, Steve G. Leiby, Anthony D. Greszler, Mike S. Hagadorn
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Patent number: 6138625Abstract: An internal combustion engine head assembly is disclosed wherein the rocker arms for the intake and exhaust valves each have a portion that pivots about a common axis, and wherein these portions are concentric to one another. Thus, a very compact combustion head assembly is provided. In particular, the present invention is useful in Harley-Davidson motorcycles.Type: GrantFiled: March 17, 1999Date of Patent: October 31, 2000Inventor: John Michael Garrison
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Patent number: 6138626Abstract: An operating lever for a valve train of an internal combustion engine comprises, on the valve-proximate end, a sliding shoe arranged between itself and an end of a valve stem of a gas exchange valve.The operating lever is characterized in that it is configured as a chiplessly shaped sheet metal part and comprises in the valve-proximate region (2), a bottom wall (12) which is connected in an upwardly open U-shape to two side walls (5, 6), the bottom wall (12) comprises a downwardly open recess (13) for receiving the sliding shoe (14) which is inseparably retained in the recess (13), and spatial dimensions of the sliding shoe (14) and the recess (13) are matched to each other so that the sliding shoe (14) can freely execute a pivoting movement in the recess (13) caused by a displacement of the valve stem (11).Type: GrantFiled: June 8, 1999Date of Patent: October 31, 2000Assignee: Ina Walzlager Schaeffler oHGInventor: Walter Speil
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Patent number: 6138627Abstract: Embodiments of valve operating mechanisms for operating the poppet valve of an internal combustion engine. Each embodiment includes a rotating cam member having a cam lobe surface engaged with a follower for actuating the poppet valve. The profile of the cam surface is such so that the absolute value of the jerk of the valve acceleration in the vicinity of maximum valve lift is smaller than the absolute value of the jerk of the valve in areas adjacent to the area of maximum valve lift. The load between the cam surface and the follower at the point of maximum lift is greater than the load during the time of at least one of the approach to maximum lift and the closing of the valve after the maximum lift because the tip of the nose of the cam has a greater effective radius than on the sides adjacent the tip. This reduces stress and permits greater engine speeds without valve float.Type: GrantFiled: February 10, 1999Date of Patent: October 31, 2000Assignee: Yamaha Hatsudoki Kabushiki KaishaInventor: Minoru Iida
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Patent number: 6138628Abstract: A camshaft controller (10), in particular for use in an induction manifold system for a multi-cylinder internal combustion engine, including an induction distributor (11) with individual induction pipes (16 to 19) which are disposed adjacent one another and terminate in a flange. The camshaft controller (10) is disposed in a longitudinal bore in the individual induction pipes (16 to 19) and serves to open and close the induction pipes. Associated with each individual induction pipe is a sealing element (43 to 50) which is secured to the camshaft controller (10).Type: GrantFiled: December 3, 1999Date of Patent: October 31, 2000Assignee: Filterwerk Mann & Hummel GmbHInventors: Matthias Alex, Volker Ernst, Michael Geiger, Arthur Klotz, Juergen Kosicki, Klaus Rentschler
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Patent number: 6138629Abstract: The invention concerns a system for active reduction of radial vibrations of a rotating shaft (4), especially the drive shaft of an internal combustion engine (1), with at least one active electromagnetic device (7; 10; 15, 16), which is configured and controlled such that it applies radial forces to the shaft (4), which counteract the radial vibrations of the shaft (4).Type: GrantFiled: July 23, 1998Date of Patent: October 31, 2000Assignees: ISAD Electronic Systems GmbH & Co. KG, Grundl und Hoffman GmbHInventors: Ullrich Masberg, Thomas Pels, Klaus-Peter Zeyen, Andreas Grundl, Bernhard Hoffmann
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Patent number: 6138630Abstract: A generally hollow cylindrical piston liner for insertion in an internal combustion engine between a piston and an engine block has a cast aluminum piston liner body with cast iron engine block contact surface structure extending therefrom and securely thermally bonded thereto for exhibiting a roughened outer contact surface adapted to interface with an engine block, and its method of manfacture. The cast iron contact surface member roughened surface is generated by introducing in a first mold step a mold wash substance that generates a substantially uniform bubble pattern within a mold wash matrix layer into which the molten iron is poured to thereby produce a roughened iron interface surface. The aluminum piston liner is then bonded to the iron liner in a second molding step by pouring molten aluminum into a pre-heated mold to bond the cast iron engine block surface structure to the aluminum liner.Type: GrantFiled: October 28, 1999Date of Patent: October 31, 2000Assignee: Metalicos de Tecnologia Avanzada, S.A. de C.V.Inventor: Arturo Lazcano-Navarro
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Patent number: 6138631Abstract: A cylinder head with two overhead camshafts is divided by longitudinal and transverse walls into several subspaces in the area of its leakage-oil-carrying interior. Due to this partitioning of the leakage-oil-carrying interior, it is ensured that oil scavenging is as fast as possible and oil foaming is simultaneously minimized.Type: GrantFiled: June 25, 1999Date of Patent: October 31, 2000Assignee: Dr. Ing. h.c.F. Porsche AGInventors: Roland Stromsky, Albrecht Reustle
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Patent number: 6138632Abstract: A lubricant supply system is provided for the induction system of a marine propulsion engine. The lubricant supply system delivers lubricant to the a flow controlling valve in the induction system upon shutting down of the engine and can be operated manually at the discretion of a user. The lubricant serves to reduce the likelihood of post-operation corrosion of the valve, particularly at the sliding support surfaces of the valve and also provides lubricant from startup operation.Type: GrantFiled: September 30, 1997Date of Patent: October 31, 2000Assignee: Sanshin Kogyo Kabushiki KaishaInventor: Ryoichi Nakase
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Patent number: 6138633Abstract: An overhead cam engine having an engine lubrication system for delivering oil includes an engine block and a cylinder head having a deck face adapted for mating with the engine block. The deck face forms an acute angle with a horizontal plane of the engine block. A valve train has transverse camshaft journal bearing assemblies with pressurized oil orifices to lubricate the bearings, a camshaft rotatably supported by the cylinder head through the transverse camshaft journal bearing assemblies, cams disposed on the camshaft, and valves actuated by the cams. The cylinder head has a transverse bridging surface bridging the transverse camshaft journal bearing assemblies. A bore is positioned along the bridging surface with a gasket supported by the bridging surface about the bore.Type: GrantFiled: September 17, 1998Date of Patent: October 31, 2000Assignee: General Motors CorporationInventor: Gregory Paul Prior
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Patent number: 6138634Abstract: An oil lubrication system for a marine outboard motor including an internal combustion engine. The oil lubrication system includes a series of oil passageways within the cylinder block of the internal combustion engine. The oil passageways are configured such that each cylinder in the internal combustion engine is supplied by its own oil passageway. Each of the oil passageways terminate in an outlet opening. The outlet opening is positioned within the cylinder block such that oil exiting the outlet opening is directed by the force of gravity into contact with a moving component of the internal combustion engine. As the internal components of the internal combustion engine move, oil contacting the components is physically distributed into contact with the bearings.Type: GrantFiled: August 11, 1999Date of Patent: October 31, 2000Assignee: Brunswick CorporationInventors: David W. Kusche, Neil M. Andrasko
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Patent number: 6138635Abstract: An internal combustion engine includes three engine modules. Each engine module having an associated crankshaft segment. A first clutch is provided for connecting the first crankshaft segment to the second crankshaft segment such that the first and second crankshafts are indexed at 90.degree. with respect to one another. A second clutch is provided for connecting the second crankshaft segment to the third crankshaft segment such that the second and third crankshaft segments are indexed at 90.degree. with respect to one another. A spring connects the first crankshaft segment via the first clutch to the second crankshaft segment. The spring winds to cause the second crankshaft segment to lag behind the first crankshaft segment 30.degree. such that the first, second, and third crankshafts rotate at 60.degree. intervals with respect to one another when the first, second, and third engine modules are in operation and the first, second, and third crankshafts are connected.Type: GrantFiled: May 20, 1999Date of Patent: October 31, 2000Inventor: Frank H. Walker
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Patent number: 6138636Abstract: In an apparatus for controlling a multi-cylinder internal combustion engine with partial cylinder switch-off mechanism which is switchable between an all-cylinder operation mode in which all cylinders are operated and a partial-cylinder operation mode in which operation of partial cylinders is suspended, the operation of intake valves and exhaust valves is suspended or resumed in a predetermined order with respect to all of the suspended cylinders irrespective of a rotational frequency of the engine. There are provided a solenoid valve on an intake side and a solenoid valve on an exhaust side for switching input hydraulic pressures for hydraulically operated switching devices respectively on the intake side and on the exhaust side between the driving state and the drive-free state. At the time of switching the operation, one of the solenoid valves on the intake side and the exhaust side is driven in advance. The subsequent number of rotations of a crankshaft is counted.Type: GrantFiled: May 25, 1999Date of Patent: October 31, 2000Assignee: Honda Giken Kogyo Kabushiki KaishaInventors: Ryuji Kohno, Toshiyuki Suzuki, Eitetsu Akiyama, Morio Fukuda
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Patent number: 6138637Abstract: In an internal combustion engine with direct fuel injection having a cylinder, a piston and a cylinderhead defining together a combustion chamber, a fuel injector with a fuel injection nozzle is mounted in the cylinder head for delivering fuel from the fuel injection nozzle into the combustion chamber so as to form a mixture cone. A spark plug is mounted in a spark plug sleeve disposed in the cylinder head and projects into the combustion chamber beyond the spark plug electrodes and into the mixture cone so as to form at its front end adjacent the spark plug electrodes an open ignition chamber in which part of the rich fuel mixture of the fuel mixture cone is collected for ignition by the spark plug.Type: GrantFiled: September 18, 1997Date of Patent: October 31, 2000Assignee: DaimlerChrysler AGInventor: Gunther Bubeck
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Patent number: 6138638Abstract: A system for controlling an in-cylinder fuel injection engine determines that a high-pressure fuel system is abnormal, when meeting at least one of conditions that the fuel pressure Pf of the high-pressure fuel system does not reach a preset pressure PFS (S24) even if a predetermined period of time elapses after the engine start-up (S22), that the fuel pressure Pf of the high-pressure fuel system is not within an ordinary fuel pressure range defined by the lower limit PFL and the upper limit PFH after the engine start-up (S27, S28), and that the fuel injection pulse width Ti continues to exceed the upper limit TiNGMAX, which can not usually be obtained, for a predetermined period of time at a lean air-fuel ratio (S30.about.S33). Thus, the abnormality of the high-pressure fuel system of the in-cylinder fuel injection engine can be accurately diagnosed.Type: GrantFiled: September 1, 1998Date of Patent: October 31, 2000Assignee: Fuji Jukogyo Kabushiki KaishaInventor: Koji Morikawa
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Patent number: 6138639Abstract: A direct-injection spark-ignition engine operable between a stratified charge combustion mode where fuel injection is executed on a compression stroke while introducing a vertical-vortex tumble flow to an induced air drawn into a combustion chamber through an intake port, and a homogeneous combustion mode where fuel-injection early in the intake stroke produces a homogeneous air-fuel mixture, comprises a cylinder block having a cylinder, a piston movable through a stroke in the cylinder and having a centrally-formed piston bowl cavity combustion chamber in its piston head, a cylinder head mounted on the cylinder block, a centrally-located spark plug, and a fuel injector valve provided nearby the intake valve for injecting fuel directly into the combustion chamber.Type: GrantFiled: January 7, 1999Date of Patent: October 31, 2000Assignee: Nissan Motor Co., Ltd.Inventors: Koji Hiraya, Masayuki Zaima
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Patent number: 6138640Abstract: There is disclosed an intake control valve device for an internal combustion engine in which a high sealing effect of a valve can be achieved even if dispersions in the machining precision etc. of the valve, a valve shaft and other portions as well as thermal strain deformation of these parts cause. The intake control valve device includes a butterfly-type valve provided in an intake passage in a body. A valve seat surface, which can face an outer peripheral portion of an upstream-side surface of the valve at one half-periphery portion of the valve, disposed on one side of a valve shaft, is formed on the body, and another valve seat surface, which can face an outer peripheral portion of a downstream-side surface of the valve at another half-periphery portion of the valve, disposed on another side of said valve shaft, is formed on the body. The angle .theta..sub.3 of inclination of each of the two valve seat surfaces is larger than the angle .theta..sub.Type: GrantFiled: June 21, 1999Date of Patent: October 31, 2000Assignee: Aisan Kogyo Kabushiki KaishaInventors: Hiroshi Asanuma, Hiroki Yamamoto
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Patent number: 6138641Abstract: A very compact and inexpensive fuel injection device for auto-ignited internal combustion engines can be mounted on existing internal combustion engines to replace conventional fuel injection devices. The fuel injection device has one or more high-pressure pumps (10) that feed fuel into a supply tank (11) from which the fuel may be supplied through proportioning valves (16) to injection valves (15, 15'). The pressure in supply tank (11) is maintained by an automatic control system for the high-pressure pumps (10), the outputs of which are controlled by a control rod (13) that adjusts a plunger (18) of the high-pressure pumps (10) provided with a slanting edge (17).Type: GrantFiled: December 8, 1997Date of Patent: October 31, 2000Assignee: Deutz AGInventor: Franz X. Moser
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Patent number: 6138642Abstract: A method and system for fuel rail compensation in a returnless electronic fuel pump arrangement provides modification of fuel pulsewidth based on measured or inferred rail temperature. The present invention applies fuel pulsewidth control modifiers to enlarge the fuel pulse to increase the quantity of fuel being delivered to at least one fuel injector to offset any drop in fuel density and injector performance caused by fuel rail temperature. The present invention generates these modifiers separate from a vehicle's normal fuel delivery system adaptive control process, thereby eliminating any unnecessary adaptive processing and limiting of adaptive control range.Type: GrantFiled: September 14, 1998Date of Patent: October 31, 2000Assignees: Ford Global Technologies, Inc., Jaguar Cars LimitedInventors: Xiaoying Zhang, Timothy William Foster, Patrick J. Curran, Ian Edington
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Patent number: 6138643Abstract: The invention relates to a fuel injection device with an oil seal in which a fuel tank is not soiled by a lubricating oil and a lubricating oil consumption amount is a little. Accordingly, the fuel injection device is provided with a fuel returning annular groove (20) provided between an upper surface of the housing (13) and the pressure chamber (15) and on an inner periphery of the plunger hole (14) and further communicated with the fuel tank, and an oil seal (40) provided between the housing (13) and the plunger (11), thereby preventing a lubricating oil on the upper surface of the housing after lubricating the cam from entering into the fuel returning annular groove.Type: GrantFiled: May 3, 1999Date of Patent: October 31, 2000Assignee: Komatsu Ltd.Inventors: Tetsuro Oguchi, Hisao Naoi, Takumi Ito, Tadashi Iijima
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Patent number: 6138644Abstract: A purge passage is communicated to the upstream side of a compressor of a turbosupercharger, and on the other hand, a purge control valve and an electrically powered pump are mounted in the middle of said purge passage. Then, either a constant drive current is provided to said electrically powered pump, and the opening of the purge control valve is controlled in correspondence to the requested purged air flow rate, or the purge control valve is controlled to be fully opened, and the drive current of said pump is controlled in correspondence to the requested purged air flow rate.Type: GrantFiled: November 25, 1998Date of Patent: October 31, 2000Assignee: Unisia Jecs CorporationInventors: Masayuki Saruwatari, Junichi Furuya