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Class 123/193.2 - Cylinder detail


Subclass of Class 123 - Internal-combustion engines
Definition: Apparatus having a specific detail of the chamber in which
No. of patents: 276
Last issue date: 05/08/2012


1              
NumberTitleIssue Date
8171910Cylinder liner, cylinder block and process for the preparation of cylinder liner
The present invention a cylinder liner which controls gap formation at the interface between the cylinder liner and a cylinder block main body for accepting the cylinder liner therein, and serves to acquire closely contacting state and enhanced bonding strength betw...
05/08/2012
8037860Cylinder liner and engine
A cylinder liner has an upper portion and a lower portion with respect to an axial direction of the cylinder liner. A high thermal conductive film is provided on an outer circumferential surface of the upper portion. A low thermal conductive film is provided on an o...
10/18/2011
7909011Piston actuating engine for combusting fuel
An internal combustion engine having an engine block with a chamber disposed therein containing a reciprocating piston. A head is mounted on the head of the engine block for providing fuel to the chamber. The chamber is designed to have a first end with a first diam...
03/22/2011
7882818Cylinder liner and engine
A cylinder liner for insert casting used in a cylinder block is provided. The cylinder liner includes an outer circumferential surface having a plurality of projections. Each projection has a constricted shape. A film of a metal material is formed on the outer circu...
02/08/2011
7806098Cylinder sleeve for an internal combustion engine
A cylinder sleeve for an internal combustion engine is provided with a flat zone that extends along the entire axial length thereof. The cylinder sleeve is embodied as a rough cast sleeve whose outer surface comprises a rough zone that extends along the entire axial...
10/05/2010
7757652Component for insert casting, cylinder block, and method for manufacturing cylinder liner
A cylinder liner 2 is enveloped in a cylinder block through insert casting. The cylinder liner 2 includes a cylinder liner body 2a and a metal coating layer 8 formed on the body 2a through a cold spraying method. Sinc...
07/20/2010
7753023Cylinder liner and method for manufacturing the same
A cylinder liner has an outer circumferential surface on which a film is formed. The film functions to form gaps between the cylinder block and the cylinder liner. Alternatively, the film functions to reduce adhesion of the cylinder liner to the cylinder block. The ...
07/13/2010
7739993Internal combustion engine
A piston of an internal combustion engine includes a cavity for gases passing a piston ring and a first flow path leading from the cavity to a piston ring region and a second flow path extending from the cavity to an outlet opening for removing gases to an inlet ope...
06/22/2010
7726273High strength steel cylinder liner for diesel engine
A diesel engine is fitted with a thin-walled wet liner fabricated of steel. The liner has a hardness that is within 10-20 Rc of the hardness of the piston rings carried on a piston within the liner. The inner surface of the liner is manufactured with a TRD=5Rvk (100...
06/01/2010
7685987Cylinder liner and method for manufacturing the same
A cylinder liner for insert casting used in a cylinder block is disclosed. The cylinder liner has an outer circumferential surface, and upper, middle, and lower portions with respect to an axial direction of the cylinder liner. A high thermal conductive film is form...
03/30/2010
7677217Power assembly for internal combustion engine with in-cylinder deposit scraper
A power assembly for an internal combustion engine includes a cylinder with a circular wall defining a first inside diameter. A piston is reciprocably housed within the cylinder. An integral, unitary piston deposit scraper is formed in a portion of the circular wall...
03/16/2010
7665440Cylinder liners and methods for making cylinder liners
A method for making cylinder liners and cast engine blocks having cylinder liners having a strong mechanical bond with the engine block. The method includes providing a cast metallic cylinder liner having an outer surface of the cylinder liner. The surface of the cy...
02/23/2010
7621250Cutting tools and roughened articles using surface roughening methods
The disclosure relates to surface roughening methods in which a cutting tool having a radial cutting blade with first and second cutting edges is fed along a longitudinal axis of an article while rotating the cutting tool about the axis. The first cutting edge forms...
11/24/2009
7584735Process for the chip-forming machining of thermally sprayed cylinder barrels
In a process for chip-forming machining of thermally sprayed cylinder barrels of a cylinder crankcase, 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 ...
09/08/2009
7543556Cylinder crankcase comprising a cylinder liner
The invention relates to a cylinder crankcase (4) comprising at least one cylinder liner (2) which is integrally cast in the cylinder crankcase (4). The cylinder liner (2) runs in the cylinder crankcase (4) from a cylinder-head sid...
06/09/2009
7533647Cylinder liner, cylinder block, and method for manufacturing cylinder liner
A cylinder liner for an engine cylinder block. A roughening process is performed only on an upper region of the outer surface of the cylinder liner. This increases adhesiveness with a sprayed layer at the upper region compared to a lower region of the liner outer su...
05/19/2009
7513236Insert casting component, cylinder block, method for forming coating on insert casting component, and method for manufacturing cylinder block
A liner outer surface is coated by a sprayed layer or a heterogeneous metal layer including a base metal phase and dispersed metal phases. During casting, liquid metal enters the sprayed layer from the dispersed metal phases and solidifies in a virtual vegetation ro...
04/07/2009
7467613Internal combustion engine with cylinder and piston having a dual-combustion stroke
Internal combustion engines having V-and L-configurations. There are first and second piston systems, each including: an engine block; a cylinder through the engine block; a piston within the cylinder, the piston with piston rings, including a cavity therein the und...
12/23/2008
7438037Internal combustion engine and liner installation ring
An internal combustion engine includes: a cylinder block having one or more cylinders, a cylinder liner in a tubular shape disposed inside the cylinder; a piston reciprocating inside the cylinder liner and having a top land portion formed of an outer periphery of th...
10/21/2008
7438028Four stroke engine with a fuel saving sleeve
A four stroke engine with piston strokes all of equal length whereby the intake stroke displacement and the compression stroke displacement are smaller than the expansion stroke displacement and the exhaust stroke displacement. This is accomplished using the fuel sa...
10/21/2008
7438038Cylinder liner and methods construction thereof and improving engine performance therewith
A cylinder liner for an internal combustion diesel engine and corresponding method of construction and method of improving engine performance therewith has a cylindrical inner wall providing a bore extending along a central axis for reciprocation of a piston therein...
10/21/2008
7415958Process 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
7412956Reinforcing structure of cylinder barrel
A cylinder barrel (1) for housing a piston comprises a sheet metal liner (2) and a reinforcing structure (10) located outside the sheet metal liner (2). The reinforcing structure (10) comprises a glass-fiber-reinforcing layer (1...
08/19/2008
7406940Piston for internal combustion engine
A piston for an internal combustion engine of an automotive vehicle. The piston has a piston ring and a piston skirt section each of which has a sliding section in slidable contact with a cylinder bore section of a cylinder block in presence of a lubricating oil. Th...
08/05/2008
7401588Cylinder 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 and heat t...
07/22/2008
7389763Cylinder block integrated with crankcase
A structure of crankcase-integrated cylinder block for a small internal combustion engine is posed to increase strength and rigidity in order to reduce particularly vibration and noise. A cylinder part and a crankcase part are formed into a box-like shape being cast...
06/24/2008
7383805Cylinder liner for insert casting and method for manufacturing thereof
A cylinder liner for insert casting and a method for manufacturing the cylinder liner are provided. The cylinder liner and the method are applied to cylinder blocks and improve the adherence and the bonding strength with a cylinder block material in a favorable mann...
06/10/2008
7363903Engine for a leisure vehicle
An engine for a leisure vehicle including a crankcase having at least two crankcase portions, a plurality of main journal fastener bolts by which the two crankcase portions are coupled to each other such that a crankshaft is rotatably mounted between the two crankca...
04/29/2008
7363902Engine overall height reduction
An internal combustion engine includes a piston (2) and a crankshaft (33). The crankshaft (33) includes: a journal (33A) as a rotation center; a crank pin (33B) that is located eccentrically with respect to the journal (33A)...
04/29/2008
7357068Material and process for thermal coating, surface layer and also compressor with a surface layer of the material
The invention relates to a material based on an oxide ceramic for the manufacture of a surface layer (5) by means of a thermal coating process including aluminum oxide and zirconium oxide, with the material additionally containing chromium oxide for the simul...
04/15/2008
7322320Engine cylinder block
A cylinder block including a block with two parts, a cylinder liner portion defining an inner wall of a water jacket and a cylinder block body defining an outer wall of the water jacket. The water jacket, which extends around the cylinders, is defined between the cy...
01/29/2008
7318395Internal combustion engine having a coolant circuit
In an internal combustion engine having a coolant circuit which comprises a first coolant line for the cylinder block and a second coolant line for the cylinder head of the engine, with the cylinder head having at least one inlet valve and at least one outlet valve ...
01/15/2008
7305916Reciprocating-piston machine for motor vehicles
A piston compressor has a cylinder including a traveling piston sealed therein. A drive motor acts on a crankshaft, a drive shaft thereof being received by a bore of the crankshaft. A connecting rod provides for articulated connection of a crankshaft-journal of the ...
12/11/2007
7291384Piston ring and thermal spray coating used therein, and method for manufacturing thereof
The piston ring of the present invention comprises a thermal spray coating comprising chromium carbide particles having an average particle size of 5 μm or less, and a matrix metal composed of a Ni—Cr alloy or a Ni—Cr alloy and Ni at least on an outer periphera...
11/06/2007
7284528Crank shaft support assembly
A crank shaft support assembly for increasing stiffness and reducing thermal mismatch distortion in a crank shaft bore of an engine comprising different materials. A cylinder block comprises a first material and at least two crank journal inserts are insert-molded i...
10/23/2007
7278382Water-cooled two-cycle engine
A cooling structure of a water-cooled two-cycle parallel multicylinder engine includes: an exhaust port in a cylinder block; an air intake port disposed in a crankcase below the exhaust port; a water pump disposed in the crankcase in an opposite side of the exhaust ...
10/09/2007
7279227Spraying piston ring
A thermal spray coated piston ring having improved initial running-in propery, and having scuffing resistance and wear resistance is provided. The spray coating film (3) of the piston ring (1) contains from 2 to 40 mass % of Sn and from 5 to 50 mass % ...
10/09/2007
7273030Crankshaft support structure of internal combustion engine
A crankshaft support structure of an internal combustion engine, comprising a crankshaft having journal portions a saddle-shaped bearing caps respectively mounted on an undersurfaces of the journal support bases formed in a lower portion of the cylinder block in suc...
09/25/2007
7273029Cylinder liner and cylinder block
A cast iron cylinder liner of the present invention includes a plurality of grooves formed on an outer surface of the cylinder liner. Each of the grooves extends in a circumferential direction of the cylinder liner in a ring or spiral shape, and the grooves divide t...
09/25/2007
7267093Crankcase with bottom plate
In a crankcase for an internal combustion engine, including a lubricant chamber for the collection of lubricant, and a bottom plate for providing dry sump lubrication closing the crankcase and being sealingly joined to the bottom end of the crankcase, wherein the cr...
09/11/2007
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