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7360512 Low-thermal-inertia intake ports for port-injected, spark ignition engines and an associated manufacturing method  
The present invention provides an intake port design that provides a low thermal inertia characteristic, thereby decoupling the surface temperature of the intake port walls from that of the coolant...
7278381 Cooling structure of cylinder block  
A cooling structure for uniformly cooling a bore wall of a cylinder block using a cooling medium, the bore wall surrounding plural bore regions, includes a water jacket portion which is provided so...
7278380 Cooling structure of cylinder block  
A cooling structure for uniformly cooling a bore wall of a cylinder block using a cooling medium, the bore wall surrounding plural bore regions, includes a water jacket portion which is provided so...
7255069 Cylinder sleeve support for an internal combustion engine  
The disclosed multi-cylinder, poppet-valved engine, has replacement cylinder sleeves larger than the original sleeves, and laterally supported near their upper ends by an aluminum alloy plate...
7225766 Engine cylinder cooling jacket  
A coolant jacket for an engine cylinder bank having longitudinally aligned cylinders includes upper, lower and side walls defining two inlet flow galleries extending along the intake and exhaust...
7191740 Internal combustion engine  
A cooling block forming a top wall of a combustion chamber of an internal combustion engine is formed by layering, from the outside to the inside, a casing, an upper layer block, a middle layer...
7104226 Cylinder liner cooling structure  
This invention relates to a cooling structure for cooling a cylinder liner by circulating coolant in a water jacket formed along an outer periphery of the cylinder liner. This cooling structure...
7080612 Cylinder block for internal combustion engine  
A cylinder block for an internal combustion engine has a water jacket formed between cylindrically configured cylinder walls and a jacket sidewall. The cylinder walls is arranged to slideably...
7069884 Internal combustion engine  
An internal combustion engine is provided in which an exhaust port communicating with a combustion chamber formed in a cylinder head is formed from independent exhaust ports, which are positioned...
7047915 Engine cooling device  
In a cooling unit for an engine comprising a cylinder block 1 having a water jacket 4 which opens into the surface of the cylinder block 1 and which circulates a cooling water in surrounding...
6932045 Cylinder block for an internal combustion engine  
In a cylinder-block for an internal combustion engine with a plurality of cylinders having longitudinal profiled sections in the form of lateral hollow reinforcement structures and vertical...
6901891 Fluid passage structure of internal combustion engine  
In a fluid passage structure of an internal combustion engine wherein oil flows from an in-block flow passage formed in a cylinder block to an in-head flow passage formed in a cylinder head, a...
6886504 Engine of reciprocating piston type  
An engine of reciprocating piston type includes a cylinder block ( 4 ) with one or more cylinders ( 2 ), each of which receives a respective piston ( 10 ) and is defined by a respective cylinder...
6874451 Cooling apparatus of an internal combustion engine  
A cooling apparatus of an internal combustion engine includes an insert that is deformable, and a surface of the insert opposing a cylinder bore wall is close to the cylinder bore wall after the...
6834625 Cooling apparatus of an internal combustion engine  
A cooling apparatus of an internal combustion engine includes a closed deck-type cylinder block and an insert. The cylinder block includes a water jacket and an upper deck including a water hole...
6729272 Cylinder head cooling construction for an internal combustion engine  
Deflecting ribs are provided within a coolant jacket formed in a cylinder head in such a manner as to protrude upwardly from bottom walls for directing the flow of coolant toward exhaust-valve-port...
6675750 Cylinder liner  
The subject invention is a cooling system of an internal combustion engine having a wet-sleeve cylinder liner that improves heat reduction efficiency as compared with traditional cylinder liners....
6575124 Cylinder block of multi-cylinder engine and process of molding same  
A cylinder block for multi-cylinder engine includes a cooling water passage provided at a head-side portion of a cast metal inter-bore wall. The cooling water passage includes a plurality of...
6481392 Internal combustion engine  
The invention relates to an internal combustion engine comprising a cylinder block with at least one cylinder and at least one intake and exhaust valve per cylinder. A cooling system includes an...
6470839 Engine block having improved cooling system  
An engine block having a cooling system includes a body, a plurality of cylinder bores formed on the body, cylinder liners each coaxially fitted in a corresponding cylinder bore, and at least one...
6418886 Liquid-cooled internal combustion engine with cylinder banks, which tilt toward one another, in particular a V engine  
A liquid-cooled internal combustion engine has cylinder banks that tilt toward one another, to for a V engine. A coolant, which is fed to the exhaust gas-sided cooling jackets in the cylinder...
6408803 Liquid cooling system and retrofit for horizontally opposed air cooled piston aircraft engines  
A cooling system for conversion of air cooled aircraft engines to liquid cooling, including replacement cylinders, light weight, flex tolerant coolant manifolds and cooling system instrumentation...
6363894 Diesel engine having a cylinder liner with improved cooling characteristics  
An internal combustion engine including a cylinder block having at least one cylinder bore and a cylinder liner concentrically disposed within the cylinder bore and secured to the cylinder block....
6349681 Cylinder block for internal combustion engine  
A cylinder block, often a siamese cylinder block, for an internal combustion engine having a heat pipe located in each of the common walls between adjacent cylinders where at least one of the ends...
6295955 Cooling arrangement for direct injected engine  
Cooling arrangements that cool down fuel injectors exposed to the high temperature combustion in direct injected engines so that no heavy oil components deposit on nozzles of the fuel injectors. A...
6167848 Water-cooled internal combustion engine  
In a water-cooled internal combustion engine with a cooling water path extending from a supply passage at one side of the engine through cooling water spaces around the engine cylinders to the...
6167847 Cylinder liner for a liquid-cooled internal combustion engine  
A cylinder liner for a liquid-cooled internal combustion engine, includes a cylinder liner collar which is adjacent to a cylinder head sealing plane and into which is formed at least one circular...
6158400 Internal combustion engine with high performance cooling system  
An internal combustion engine includes precision cooling passages preformed as tubes which are cast in place during fabrication of the engine's cylinder block and cylinder head.
6145481 Cooling ring for a cylinder liner in an internal combustion engine  
An internal combustion engine includes a cylinder block with a cylinder bore. A cylinder liner within the cylinder bore has a distal end with an outside diameter. A cooling ring has a first inside...
6138619 Device for control of flow of cooling medium  
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...
6123052 Waffle cast iron cylinder liner  
A cast iron cylinder liner for use in an engine block. The liner is cast to have a number of longitudinal grooves and machined to have a number of intersecting annular grooves to create an inverted...
6079375 Coolant jacketed cylinder liner with stiffening ribs  
An engine cylinder liner includes inner and outer walls formed integral with a head seat rim and defining a coolant jacket for cooling the inner cylinder wall. Stiffening ribs are provided for...
6044811 Air guide casing for air-cooled engine  
6024056 Cooling water passage structure in water cooled type V-shaped internal combustion engine  
A cooling water passage structure for connecting cooling water passages in cylinders forming a V-shape in a water cooled type V-shaped internal combustion engine. A front cooling water passage of a...
5887556 Device for forming vortex in cooling water for cylinders  
A device for generating vortex in cooling water for cylinders of internal combustion engines is disclosed. In the device, a steel casing is inserted into the bottom portion of a cooling water...
5746161 Engine cylinder block cooling passage  
A cylinder block (10) of an internal combustion engine (12) includes a cylinder bore (14). The cylinder bore (14) has a cooling passage (18) surrounding it that extends along the cylinder bore (14)...
5699760 Cooling system for internal combustion engine  
A cooling system for a reciprocating multicylinder internal combustion engine includes discharge passages for conducting coolant from the cylinder block to specific regions of the cylinder head so...
5687679 Multiple nanolayer coating system  
A thermal barrier coating for high temperature applications has improved resistance to heat flow. The coating comprises a large number of these (nanometer scale) layers separated by interfaces...
5669339 Cylinder cooling apparatus of multi-cylinder engine  
A water passage forming member (10) embedded in a connection wall (4) between adjacent bores (3a) (3a) of a multi-cylinder (2) by a casting process is provided with a pair of left and right...
5596954 Internal combustion engine block having a cylinder liner shunt flow cooling system and method of cooling same  
An internal combustion engine block having a circumferential channel formed between the cylinder block and a cylinder liner, surrounding and adjacent to the high temperature combustion chamber...
5558048 Cylinder block cooling arrangement  
A cooling system for an engine having a plurality of cylinder bores which are arranged along a longitudinal axis. First and second coolant passages continuously extend along the periphery of the...
5542381 Cylinder block for liquid-cooled engine  
A liquid-cooled engine cylinder block wherein a plurality of cylinder walls forming cylindrical cylinders are arranged in series. The adjacent cylinder walls are joined together, and the outer...
5505167 Internal combustion engine block having a cylinder liner shunt flow cooling system and method of cooling same  
An internal combustion engine block having a circumferential channel formed between the cylinder block and a cylinder liner, surrounding and adjacent to the high temperature combustion chamber...
5469817 Turbulator for a liner cooling jacket  
A turbulator for a liner cooling jacket includes a metal panel which is suitable to be coiled into a generally cylindrical shape so as to be placed in a relief area between an engine cylinder block...
5386805 Cooling system of an internal combustion engine  
A cooling system of an internal combustion engine has a plurality of cylinder coolant passages. Each of the passages is provided for one of a plurality of cylinders. The plurality of cylinder...
5299538 Internal combustion engine block having a cylinder liner shunt flow cooling system and method of cooling same  
An internal combustion engine block having a circumferential channel formed between the cylinder block and a cylinder liner, surrounding and adjacent to the high temperature combustion chamber...
5251578 Cooling system for internal combustion engine  
A cooling system for an internal combustion engine able to realize a cooling effect matching a distribution of incoming heat of a cylinder liner. A plurality of annular grooves are formed on an...
5233947 Cooling system of a cylinder of an internal combustion engine  
A cooling system of a cylinder liner of an internal combustion engine includes a plurality of first passages formed on an outer surface of the cylinder liner of the internal combustion engine and...
5211137 Cooling system for a cylinder of an internal combustion engine  
A cooling system of an internal combustion engine has a plurality of coolant passages located in a row along a longitudinal axial direction of a cylinder liner. Each of the plurality of coolant...
5207189 Cooling system for an internal combustion engine  
A cooling system for an internal combustion engine eliminate stagnation of a coolant flowing in a plurality of annular passages formed between a cylinder block and a cylinder liner along a...
Matches 1 - 50 out of 243 1 2 3 4 5 >