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| Number | Title | Issue Date |
| 8108995 | Valve apparatus for an internal combustion engine A method includes coupling a cylinder head to a cylinder block. A valve member is then moved into a valve pocket defined by the cylinder head such that a first stem portion of the valve member engages an actuator. A first portion of the biasing member is then dispos... | 02/07/2012 |
| 8104175 | Cylinder block manufacturing method for multi-cylinder engine A method of manufacturing a cylinder block for a multi-cylinder engine is disclosed herein. The cylinder block includes a crankcase and cylinder bores disposed therein separated by cylinder walls. The crankcase is adapted to receive a crankshaft and includes crank c... | 01/31/2012 |
| 8061030 | Cylinder head insert method A cylinder head modification method includes the steps of selecting a cylinder head for an internal combustion engine having a plurality of combustion chambers and the cylinder head having a plurality of combustion chamber faces on the top of each combustion chamber... | 11/22/2011 |
| 7770291 | Internal combustion engine component and method for the production thereof Disclosed is an internal combustion engine component (1) which is made of an aluminum alloy and comprises at least one area (2) that is subjected to a great thermal load during operation of the internal combustion engine. Said area (2) that is s... | 08/10/2010 |
| 7513039 | Method of making a double-screw extruder To form the housing of a double-screw extrude, the housing body or a segment thereof is provided with auxiliary bores along a segment of the housing at which the hardening material is to be thicker or a hardening material is to be provided. The screw-receiving bores... | 04/07/2009 |
| 7458153 | Method for making a cylinder for a two-stroke engine At least one transfer channel (9, 29) is formed in the cylinder wall (4, 24) of the cylinder (1, 21) for a two-stroke engine. The transfer channel (9, 29) is closed to the cylinder outer side (5, 25) by a cover (10, 30). The... | 12/02/2008 |
| 7415958 | Process for processing cylinder crankcases having sprayed cylinder barrels In a process for processing cylinder crankcases having sprayed cylinder barrels, in which process a cylinder crankcase is cast, those surfaces of the subsequent cylinder barrels which are to be thermally coated are roughened, the cylinder barrels are coated by a the... | 08/26/2008 |
| 7398596 | Production method of water jacket spacer A production method of a water jacket spacer for use in a cylinder block with a water jacket formed around plural cylinder bores. The method comprises the fist step of integrally forming a tubular spacer body with a peripheral wall and a connecting bridge by way of ... | 07/15/2008 |
| 7363851 | Spacers for use with actuator casings Spacers for use with actuator casings are disclosed. An example spacer includes a ring-shaped member defining a central opening and configured to form a part of an actuator casing and to space first and second actuator casing portions a predetermined distance when t... | 04/29/2008 |
| 7347136 | Airless sprayer with hardened cylinder An airless sprayer for paint or the like consists of an electric drive unit connected to a piston. Driven by the electric drive unit, the piston reciprocates within the cylinder, thus spraying the paint or the like. Because of the close tolerance between the piston ... | 03/25/2008 |
| 7334305 | Bearing and seal installation device and method An installation device and method for installing engine components, such as bearings and seals, on an engine. The device including a first connection member that couples to an engine and a second moveable member configured to translate relative to the first connecti... | 02/26/2008 |
| 7234422 | Engine cooling method and apparatus The present invention provides an engine cooling method and apparatus. The engine cooling apparatus includes a cylinder block having a cylinder head mounted thereto. The cylinder block defines an inlet passage and a block jacket in fluid communication with the inlet... | 06/26/2007 |
| 7225519 | Assembling method using marked information An assembling method for assembling an assembly by combining a plurality of mating members with each other, wherein inherent information regarding dimensions of individual members, which is necessary for the combination of members, has been marked on the member surf... | 06/05/2007 |
| 7216427 | Surface treatment of prefinished valve seat inserts A prehardened valve seat insert and a process for forming a prehardened valve seat insert for insertion into a cylinder head or an engine block of an internal combustion engine. The process comprises the steps of (a) forming the valve seat insert; (b) precision mach... | 05/15/2007 |
| 7165597 | Insert core and method for manufacturing a cylinder for internal combustion engine by making use of the insert core There is provided a method of cast molding a cylinder for an internal combustion engine by making use of an insert core, which makes it possible to rationally form the chamfered portions at the rim portion, on the cylinder bore side, of the scavenging ports, the suc... | 01/23/2007 |
| 7159314 | Method for making a cylinder A cylinder housing (1) is cast with a cylinder wall (2) in the making of a cylinder for an internal combustion engine. The cylinder wall delimits an interior space (3) for accommodating a reciprocating piston and, thereafter, a control window ( | 01/09/2007 |
| 7104240 | Internal combustion engine with localized lubrication control of combustion cylinders An internal combustion engine includes at least one cylinder block having at least one combustion cylinder. A number of cylinder liners are respectively associated with each combustion cylinder. Each cylinder liner defines a corresponding cylinder inside surface. Ea... | 09/12/2006 |
| 7055359 | Method for forging/molding a coarse blank of an oil cylinder A method for forging/molding a coarse blank of an oil cylinder, including steps of: placing burn-in softened aluminum material into a preheated mold; using a first punch head to first forge the aluminum material in the mold cavity from outer side of the molding hole... | 06/06/2006 |
| 7047612 | Method for repairing a casting This invention relates generally to a method for repairing a casting, and more specifically to a method of repairing a casting by pouring melted filler material into a damaged portion of the original casting. Damaged cast metal components, such as a cylinder head of... | 05/23/2006 |
| 7040265 | Multiple displacement system for an engine A cylinder deactivation arrangement for an engine is provided. The arrangement includes an engine with main oiling circuit passages and lifter oil gallery control circuit passages formed internal to a cylinder block of the engine. The lifter oil gallery control circ... | 05/09/2006 |
| 6993839 | Method for machining a stainless steel exhaust manifold for a multi-cylinder combustion engine A method is provided for machining the stainless steel automotive exhaust components that allows such components to be machined in high volumes and at a reasonable cost. An exemplary embodiment of the method includes the steps of: (a) supporting the manifold on a wo... | 02/07/2006 |
| 6988314 | Assembly, tolerance matching and post-manufacturing quality assurance method A system and method for assembling an internal combustion engine and for correlating engine information with a vehicle identification number. The engine includes an engine block and a plurality of pistons. The engine block has a plurality of cylinders formed therein... | 01/24/2006 |
| 6973367 | Method for producing a bore In a method for machining bores of workpieces with a desired nominal shape of the bores in operative condition, a bore with a desired nominal shape in inoperative condition is produced in a workpiece and the workpiece is then put in operative condition. A deviation ... | 12/06/2005 |
| 6958588 | Machine equipped with a temperature compensated lathe spindle A machine for machining a workpiece with at least one revolving or rotating tool has a work spindle with a shaft (5), whose temperature is monitored by means of at least one temperature sensor (26). The temperature sensor is detected in contactless fas... | 10/25/2005 |
| 6941914 | Internal combustion engine A twin cylinder engine, includes a pair of cylinder members mounted to mounting surfaces of a crankcase, and cylinder heads mounted to the cylinder members. The cylinder members are modular components, which may be pre-assembled with components of the valve train as... | 09/13/2005 |
| 6928729 | Cylinder head and crankcase manufacturing and assembly techniques A method of manufacturing a cylinder head and crankcase for a small engine. A crankcase and a cylinder head are cast to close tolerances and include as-cast mounting flanges, which are assembled in face-to-face contact by employing self-threading screws. Bearing rec... | 08/16/2005 |
| 6904883 | Modular internal combustion engines A line of small internal combustion engines, including twin cylinder engines and single cylinder engines. The engines each include a crankcase, and one or more cylinder members attached to the crankcase, the cylinder members being separate components from the crankc... | 06/14/2005 |
| 6892865 | Monotube shock absorber remote reservoir fluid connection A damper assembly includes a reservoir chamber for supplying hydraulic fluid to a main damper chamber. The reservoir chamber is in fluid communication with damper chamber through an internal fluid passage formed by openings in the damper housing and the reservoir ho... | 05/17/2005 |
| 6887322 | High pressure cylinders including backing steel with tool steel lining High pressure cylinders comprising backing steel cylinders and tool steel liners are disclosed. An annealed tool steel liner is inserted into the backing steel cylinder, followed by heat treating to harden the tool steel liner. The tool steel liner may be provided a... | 05/03/2005 |
| 6865807 | Cylinder block production method A cylinder block production method is characterized by having, as a step prior to a cast-enclosing step of cast-enclosing a cast iron-made cylinder liner within a cylinder block body, an erosion-wash step of washing an outer peripheral wall surface of the cylinder l... | 03/15/2005 |
| 6842978 | Cylinder head and crankcase manufacturing and assembly techniques A method of manufacturing a cylinder head and crankcase for a small engine. A crankcase and a cylinder head are cast to close tolerances and include as-cast mounting flanges, which are assembled in face-to-face contact by employing self-threading screws. Bearing rec... | 01/18/2005 |
| 6748655 | Method for profiling the outer circumferential face of cylinder liners A method for producing, by forming techniques, an undercut profile in the outer circumferential face of cylinder liners to be cast in place in a crankcase, characterized by the introduction of a bracing inner core into the cavity of a cylinder liner, the introductio... | 06/15/2004 |
| 6739294 | Manifold for housing high-pressure oil in a camless engine A manifold for housing high-pressure oil on a camless engine includes an extruded aluminum body having first and second ends. First, second and third extruded channels are formed in the body and each extends from the first end to the second end of the body. The mani... | 05/25/2004 |
| 6735863 | Method of engine cylinder bore enlargement A method is provided for forming enlarged cylinder bores in an engine based on a family of internal combustion engines having an original cylinder bore axis for each bore, wherein each cylinder bore is constrained against enlargement toward one side. The method incl... | 05/18/2004 |
| 6715206 | Method and apparatus for accurately determining the amount of metal to be removed from a stroked engine block Disclosed is a method and apparatus for quickly and accurately determining the amount of metal to be removed from the lower portion of an engine block when the engine is to be stroked, i.e. have a longer, replacement, connecting rod installed to increase the engine'... | 04/06/2004 |
| 6705083 | Master cylinder having a compact profile The subject invention provides a master cylinder having a compact profile. In particular, the master cylinder comprises a hollow body having a continuous outer wall with a continuous thickness. An end wall is integrally formed with the outer wall at a first end to c... | 03/16/2004 |
| 6702908 | Method of making a cylinder block with unlined piston bores A cylinder block for an axial piston pump or motor is formed from a steel material. The block includes a plurality of bores that each have an internal bore surface of a predefined final material surface finish. The bores are subjected to various machining... | 03/09/2004 |
| 6694615 | Method for manufacturing a welded hydraulic cylinder for reducing hoop stress A method for manufacturing a welded cylinder is provided wherein a seal (such as an O-ring seal or a cured polymeric sealant) is disposed between the tube of a cylinder and its welded end plug. The seal is spaced away from the circumferential weld that jo... | 02/24/2004 |
| 6637108 | Method for manufacturing cylinder block for internal combustion engine A method for manufacturing a cylinder block provides an abrasion-resistant layer in a cylinder bore by build-up welding. The method applies build-up welding to preformed recesses along an inner surface of the cylinder bore. After build-up welding, final f... | 10/28/2003 |
| 6575130 | Light metal cylinder block, method of producing same and device for carrying out the method The present invention includes a light metal cylinder block comprising a cylinder running face which is coated with silicon. The invention also includes a method by which the silicon is applied to the running face comprising melting powdered metal silicon... | 06/10/2003 |