序号 专利名 申请号 申请日 公开(公告)号 公开(公告)日 发明人
161 Method for the production of a lost-foam casting model for a light metal cylinder liner US11491041 2006-07-21 US20060254743A1 2006-11-16 Karlheinz Bing; Frank Winger
A light metal cylinder liner with a surface which facilitates the connection with the surrounding cast material may be produced. The cylinder liner is produced by a lost-foam method with a form for production of the cast foam model having a structured surface with height variations of 0.8 to 5 mm. The structured surface is, for example, grooves or longitudinal elevations.
162 Divider plate for an inlet port, sand core for forming an inlet port, and cylinder head US11405898 2006-04-18 US20060231067A1 2006-10-19 Tatsuya Masuta; Hirohito Kajihara; Hiroshi Katou; Kenji Yageta
A divider plate for two or more inlet ports provided in a cylinder head of an internal-combustion engine comprises divider portions that divides inside of the two or more inlet ports along an intake air flow, a side cast-in insert portion provided on at least one side portion located in a direction perpendicular to that of the intake air flow, that is enclosed by molten metal during casting of the cylinder head, an inner cast-in insert portion that is provided between the divider portions, that is enclosed by the molten metal during the casting of the cylinder head, and an inner accelerator formed in the inner cast-in insert portion, accelerates coagulation of the molten metal, wherein the inner accelerator has at least one of a plurality of holes, a concave portion, a convex portion, and a concave-convex portion, or a combination of a hole and a concave portion, a convex portion or a concave-convex portion.
163 Method of manufacturing cylinder head US10967351 2004-10-19 US07100671B2 2006-09-05 Konomi Akaba
In a method of manufacturing a cylinder head having a partition plate for an intake port, there is prepared a partition plate having an intake-side distal end and a cylinder-side distal end. The partition plate is located in a core to form the intake port and molten metal is supplied to a periphery of the partition plate. After solidifying the molten metal, the core is removed. At least the intake-side distal end of the partition plate is located in an expansion-permit space that permits thermal expansion of the partition plate caused by heat of molten metal.
164 Cylinder liner improvements US10564926 2004-07-15 US20060157216A1 2006-07-20 Robert Bend
An engine block mold, including at least one barrel slab core (10), the or each barrel slab core (10) including a slab portion (12), and at least one barrel portion (14) adapted to receive a cylinder liner (1), wherein the barrel portion (14) of the or each barrel slab core (10) has an outer diametral taper along at least a portion of its length, and the or each liner (1) has a substantially matching internal diametral taper along at least a portion of its length. Inserting the or each slab barrel core (10) with the or each liner (1) disposed upon it, into a substantially completed mold casing, filling the mold, and then machining the cylinder liners (1) so that they have a substantially constant internal diameter along their length.
165 Structure of cylinder block being cast with cylinder liner, method of manufacturing cylinder block, and cylinder liner to be cast in the method of manufacturing cylinder block US11324337 2006-01-04 US20060108089A1 2006-05-25 Akira Yoshihara; Atsushi Tamaru
A cylinder block has a cast cylinder liner. A different level portion with a predetermined width is provided in a projected part formed along the lower end-face of the cylinder liner, in the centrifugal direction of the cylinder liner. In this case, the different level portion has a width corresponding to the dimensional tolerance range with respect to a finished inside diameter dimension position, and a outer circumference edge of the different level portion is provided in the outer circumference side farther than the finished inside diameter dimension position. Displacement of a hole is detected by checking the different level portion after machining the internal circumference of the cylinder liner.
166 Method for casting an iron alloy reinforced aluminum alloy engine block US10248142 2002-12-20 US07047928B2 2006-05-23 Staffan Rengmyr
A method of high pressure die casting in iron alloy reinforcements for main bearing scantlings in an aluminum alloy engine block for an internal combustion engine. Prior to casting, reinforcements (1) having bores (6) for main bearing screws are placed in a die cavity (21), so that cores for main bearing screws protrude into the bores in each reinforcement on one side of the reinforcement. Then the reinforcements are fixed in the die cavity by placing a cylinder liner core (25) against a surface (27) of the reinforcement on the opposite side of the reinforcement.
167 Liner seat design for a foundry mold with integrated bore liner and barrel core features US11250216 2005-10-14 US20060042770A1 2006-03-02 Thomas Newcomb
A method is disclosed for producing a casting mold for an engine block, the casting mold includes a mold seat for a cast-in-place cylinder bore liner, the seat having a surface disposed at an angle relative to a longitudinal axis of the cylinder bore liner, wherein the cylinder bore liner becomes slightly unseated upon thermal expansion.
168 Engine block casting and method of manufacture US10895659 2004-07-21 US20060016573A1 2006-01-26 Roger Kenitz
A block casting for an internal combustion engine and method of its manufacture provide reduced engine block size and weight, and/or increased engine displacement, through cylinder-forming walls that decrease in thickness from minimal explosion-resistant thicknesses at their combustion chamber ends to reduced thicknesses at their other ends.
169 Mold design for improved bore liner dimensional accuracy US10862072 2004-06-04 US20050269054A1 2005-12-08 Thomas Newcomb
A mold design is disclosed for sand casting of engine cylinder blocks, such as engine cylinder V-blocks, with cast-in-place cylinder bore liners, wherein a dimensional accuracy in the positioning of cast-in-place bore liners is maximized.
170 Process of fabricating castings provided with inserts, with improved component/inset mechanical cohesion, and an insert usable in the process US09953750 2001-09-14 US06964292B2 2005-11-15 Philippe Meyer; Dominique Bardinet; Franck Plumail; Gérard Lesueur
A process of fabricating a light alloy casting, such as an aluminum alloy casting, including at least one metal insert includes applying a coating of lampblack to a face of the insert intended to be in contact with the alloy of the component and casting the component with the molten alloy in a mold cavity in which the insert is positioned. Applications include fabricating engine blocks with integrally cast liners made of cast iron.
171 Method and apparatus for casting aluminum engine blocks with cooling liquid passage in ultra thin interliner webs US11111252 2005-04-20 US20050247428A1 2005-11-10 Oscar Cantu-Gonzalez; Ismael Ramirez-Alvarez; Alvaro Ramirez-Morales
Casting method and apparatus for forming fluid cooling passages in the webs having a minimum dimension of 3 mm or less between iron cylinder liners in aluminum engine blocks by utilizing very thin pre-formed reinforced cores inserted between adjacent liners and conjoined with the outer water jacket core. The reinforced core is made of a supportive very thin reinforcing element, preferably in the form of a rectangular metal strip, or other material that withstands the casting process, with a thin coating layer that protects such element and permits its ready removal after formation of the casting, which layer may advantageously and inexpensively be formed of conventional casting sand with a typical binder.
172 Method for producing a light-alloy bearing bush with a rough external surface US10481947 2002-06-07 US06957489B2 2005-10-25 Karlheinz Bing; Martin Rühle; Fritz Warth; Frank Winger
The aim of the invention is to produce a light-alloy bearing bush with a rough external surface. To achieve this, particles, which are subsequently surrounded in part by the molten metal, are applied to the surface of the casting mould. When the bearing bush is released from the mould, the particles remain in said bush and are subsequently removed from the bearing bush preform either mechanically or by being dissolved in liquid.
173 Insert core and method for manufacturing a cylinder for internal combustion engine by making use of the insert core US10858931 2004-06-02 US20050133189A1 2005-06-23 Daiju Yamada; Kazuo Sasaki; Fujihiro Matsuura
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 suction port and the exhaust port with high precision and high freedom in dimension and configuration without fluctuation in size and configuration of the chamfered portion. Herein, the insert core is formed of a cylindrical body having a slightly smaller outer diameter than the diameter of cylinder bore, a scavenging port-forming portion projecting radially outward from the cylindrical body and having almost the same configuration as that of the scavenging port, a suction port-forming portion projecting radially outward from the cylindrical body and having almost the same configuration as that of the cylinder bore-side end portion of suction port, and an exhaust port-forming portion projecting radially outward from the cylindrical body and having almost the same configuration as that of the cylinder bore-side end portion of exhaust port. The insert core further includes chamfered portion-forming portions for forming a chamfered portion at each of the rim portions on the cylinder bore side of the scavenging ports, the suction port, and the exhaust port.
174 Method of manufacturing cylinder head US10967351 2004-10-19 US20050082028A1 2005-04-21 Konomi Akaba
In a method of manufacturing a cylinder head having a partition plate for an intake port, there is prepared a partition plate having an intake-side distal end and a cylinder-side distal end. The partition plate is located in a core to form the intake port and molten metal is supplied to a periphery of the partition plate. After solidifying the molten metal, the core is removed. At least the intake-side distal end of the partition plate is located in an expansion-permit space that permits thermal expansion of the partition plate caused by heat of molten metal.
175 Cast combination comprising hollow sections of light-metal alloy US10995443 2004-11-23 US20050072395A1 2005-04-07 Wolfgang Bilger; Bernhard Commandeur; Thomas Dickmann; Jonathan Hinton; Peter Krug; Guido Kubelstein; Raymond Loos; Erik Mertner; Gero Sinha; Jurgen Baumgarten
A method for producing a cast combination of cylindrical hollow profiles and for casting said combination into a cylinder block or crank housing of an internal combustion engine, wherein cylindrical hollow profiles consisting of a light-metal alloy and containing inlaid hard phases that have been manufactured by successive stages of spray compacting, hot extrusion and hot forming are arranged in a row, the distance between the axes of the hollow profiles corresponding to the cylinder bore center distance of the cylinder block and a light-metal alloy without inlaid hard phases is cast around said profiles. The cast combination is then positioned in a mould that forms the cylinder block and a light-metal material is cast around said combination.
176 High pressure die cast process US10303308 2002-11-25 US06857462B2 2005-02-22 Kiyoshi Sasaoka; Tomoyuki Okada; Tetsuo Yoshioka; Rick Zimmerman; Jim Lewis; Kazuo Yuze
A high pressure die casting method including providing first and second accumulator assemblies, wherein the first accumulator assembly provides pressurized fluid toad die assembly while the second accumulator assembly provides pressurized fluid to remaining portions of the die casting machine. A barrel insert loader inserts cylinder barrels into the die assembly, and then the dies are closed to permit molten aluminum to be injected therein and thereby form the cast engine block. The dies include side gates and sub-gates through which molten aluminum is introduced into the mold. The dies are opened, and the cast engine is removed from the dies by operation of a robot arm, and a die spraying assembly is inserted between the open dies and sequentially sprays the dies, to clean and cool the dies in preparation for a subsequent casting operation.
177 Method for producing a light-alloy bearing bush with a rough external surface US10481947 2003-12-23 US20040163256A1 2004-08-26 Karlheinz Bing; Martin Ruhle; Fritz Warth; Frank Winger
The aim of the invention is to produce a light-alloy bearing bush with a rough external surface. To achieve this, particles, which are subsequently surrounded in part by the molten melt, are applied to the surface of the casting mould. When the bearing bush is released from the mould, the particles remain in said bush and are subsequently removed from the bearing bush preform either mechanically or by being dissolved in liquid.
178 Casting die for the production of a cylinder block/crankcase US10285125 2002-10-31 US06769474B2 2004-08-03 Hartmut Engels; Klaus Land; Peter Lingl; Franz Rueckert; Helmut Schaefer; Peter Stocker
A casting die for the production of a cylinder block/crankcase of an internal combustion engine includes at least one sleeve, which may be moved relative to its axis and is fitted in each case with a cylinder liner, the sleeve keeping open the cylinder bore of the cylinder block/crankcase and extending from a wall on the cylinder-head side of the die to a wall on the crankshaft side of the casting die. The cylinder liner ends at least 3 mm before the wall on the cylinder-head side of the casting die, and the cylinder liner is held at a distance from the wall on the cylinder-head side of the casting die by a spacer.
179 CYLINDER BLOCK AND DIE-CASTING METHOD FOR PRODUCING SAME US10248796 2003-02-19 US20030172884A1 2003-09-18 Dietmar Ulrich Laufenberg; Gerd Anton Schwertfirm; Hans Walter Metz
The invention relates to a cylinder block of the closed-deck type, which can be produced by die-casting. The cylinder block includes a water jacket surrounding the cylinders adapted to be open to the side. The lateral opening can be closed by a cover, which is additionally shaped on its inside in such a way as to promote flow distribution or heat dissipation.
180 Casting die for the production of a cylinder block/crankcase US10285125 2002-10-31 US20030085018A1 2003-05-08 Hartmut Engels; Klaus Land; Peter Lingl; Franz Rueckert; Helmut Schaefer; Peter Stocker
A casting die for the production of a cylinder block/crankcase of an internal combustion engine includes at least one sleeve, which may be moved relative to its axis and is fitted in each case with a cylinder liner, the sleeve keeping open the cylinder bore of the cylinder block/crankcase and extending from a wall on the cylinder-head side of the die to a wall on the crankshaft side of the casting die. The cylinder liner ends at least 3 mm before the wall on the cylinder-head side of the casting die, and the cylinder liner is held at a distance from the wall on the cylinder-head side of the casting die by a spacer.
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