Class / Patent application number | Description | Number of patent applications / Date published |
12341082R | With head-cooling arrangements | 45 |
20080308050 | CYLINDER HEAD FOR AN INTERNAL COMBUSTION ENGINE - The invention relates to a cylinder head ( | 12-18-2008 |
20090000578 | Method for Making Cooling Channels in the Cylinder Head of an Internal Combustion Engine - In a method for casting a cylinder head of a piston engine in a region of cooling channels for valve seat rings, a separate core is provided for defining cooling channels, and the cooling channel core is mounted in a bottom plate of a casting mold at various points thereof. The cooling channels for the valve seat rings have a cooling channel region formed by two interconnected rings and at least one cooling fluid supply channel and at least one cooling fluid drain channel. The two rings are disposed at a distance from the valve seat rings, adjacent to them. | 01-01-2009 |
20090133647 | COOLING STRUCTURE OF CYLINDER HEAD - A coolant passage in a cylinder head of a multi-cylinder internal combustion engine is divided into an intake-side passage below intake ports and extending in a cylinder arranging direction, and an exhaust-side passage including plural exhaust-side lateral passages corresponding to respective cylinders and an exhaust-side longitudinal passage. The exhaust-side lateral passages (1) are mutually separated by partition walls at a position corresponding to the section between a corresponding adjacent pair of the cylinders, (2) have an inlet for coolant in the vicinity of exhaust ports of a corresponding one of the cylinders, and (3) extend from the inlet toward the intake port via the vicinity of a top of a combustion chamber formed in the corresponding cylinder. The exhaust-side longitudinal passage extends along the cylinder arranging direction. Downstream ends of the exhaust-side lateral passages connect to the exhaust-side longitudinal passage. | 05-28-2009 |
20090255490 | Cylinder Head - The invention relates to a cylinder head ( | 10-15-2009 |
20090260588 | CYLINDER HEAD - A cylinder head having a coolant passage therein includes a coolant inlet, an exhaust valve seat portion, intake valve seat portion, and a spark plug mounting portion formed centrally in the cylinder head, wherein a guide rib is formed close to the coolant inlet for coolant to flow near the spark plug mounting portion along around the exhaust valve seat portion and a coolant outlet is disposed near to a corner of the intake valve seat portion. | 10-22-2009 |
20090320775 | Internal Combustion Engine - An internal combustion engine that includes a cylinder head and a cylinder block for a multi-cylinder internal combustion engine includes at least one intake valve and one exhaust valve per cylinder, a combustion chamber covering surface adjacent to the combustion chamber, with an expansion joint being formed in the region between the individual cylinders normally to the longitudinal direction of the engine. A combustion chamber plate extending over several cylinders is arranged between the cylinder head and the cylinder block, with the expansion joint each being formed in the combustion chamber plate between two cylinders. | 12-31-2009 |
20100024749 | ENGINE ELECTRONIC VALVE ACTUATION - A head assembly for an internal combustion engine includes an electromagnetic valve actuation system. The head has an intake or exhaust passage defined therein. A valve is disposed in the passage and is operable to selectively open and close the passage. The head has a cooling passage defined therein for passage of a cooling fluid. An electromagnetic actuator has a piston in mechanical communication with the valve and a coil in fluid communication with the cooling passage. The electromagnetic actuator is operable to move the valve between a closed and an open position. | 02-04-2010 |
20100083920 | CYLINDER HEAD FOR AN INTERNAL COMBUSTION ENGINE - A cylinder head adapted to be mounted to a cylinder block of an internal combustion engine has a cooling jacket at least partially integrated in the cylinder head. The engine has two groups of cylinders: inside cylinders and outside cylinders. Each cylinder has at least one exhaust port, each leading to an individual duct. Individual ducts of outside cylinders converge to form an outside combined duct. In a four-cylinder, individual ducts of inside cylinders converge to form an inside combined duct with the inside combined duct remaining separated from the outside combined duct by the cooling jacket. The inside combined duct is farther away from the mounting surface of the cylinder head to the cylinder block than the outside combined duct. The cooling jacket includes: upper, middle, and lower cooling jackets and connectors between the upper and lower cooling jackets. | 04-08-2010 |
20100089344 | INTERNAL COMBUSTION ENGINE WITH CYLINDER HEAD - An internal combustion engine comprises a cylinder head with at least one ignition device and one injection device per cylinder, at least one cooling jacket arranged in the cylinder head, with at least one cooling channel being arranged per cylinder between the ignition device and the injection device. In order to improve cooling in the region of the injection nozzles of the injection device it is provided that each cooling channel opens into a collecting channel arranged in the cylinder head. | 04-15-2010 |
20100206251 | Internal combustion engine with a cylinder block and a cylinder head - The invention relates to an internal combustion engine, comprising a cylinder block and a cylinder head, with at least one first cooling jacket ( | 08-19-2010 |
20100224144 | ENGINE CYLINDER HEAD COOLING FEATURES AND METHOD OF FORMING - A method of forming a cylinder head includes casting the cylinder head to include an integral cast-in exhaust manifold. The integral cast-in exhaust manifold defines an intermediate exhaust gas passage in fluid communication with exhaust ports and an exhaust gas outlet passage in fluid communication with the intermediate exhaust gas passage. The cast cylinder head includes a coolant cavity to receive a cooling fluid. The coolant cavity includes first and second portions extending around an outer circumference of the exhaust gas outlet passage separated from one another by a first cast-in wall. The method further includes machining the first cast-in wall to provide fluid communication between the first and second portions of the coolant cavity. Machining the first cast-in wall forms a first coolant passage created by the first and second portions of the coolant cavity and the machined passage around the outer circumference of the exhaust gas outlet passage. | 09-09-2010 |
20100242869 | Cylinder head of an internal combustion engine - A cylinder head of an internal combustion engine for a vehicle has a plurality of cylinders, with an inlet side and an outlet side with at least one outlet channel for each cylinder, the cylinder head containing a coolant jacket which has a coolant collecting channel extending along the cylinder head on the outlet side above the outlet channels, the coolant collecting channel being connected to outlet-side cooling spaces which at least partially surround the outlet channel and are flow-connected to at least one overflow opening in a cylinder head sealing plane. The coolant collecting channel is directly connected to a heating circuit of the vehicle. | 09-30-2010 |
20100326380 | INTERNAL COMBUSTION ENGINE WITH DIRECT COOLING OF CYLINDER COMPONENTS - A mulitcylinder internal combustion engine includes a cylinder block, a cylinder head and a gasket mounted between the cylinder block and cylinder head. A coolant passage extends through the cylinder block and laterally along an uppermost portion of a shared cylinder wall extending between adjacent engine cylinders. The laterally extending cooling passage is defined at least in part by a passage formed in the cylinder head gasket. | 12-30-2010 |
20110005478 | PRE-CHAMBER - A pre-chamber is provided. In one embodiment, the pre-chamber is part of a two-stroke combustion engine having a cylinder head with a sparkplug receptacle that has a generally frustoconical shape, and the pre-chamber is coupled to the sparkplug receptacle. The pre-chamber may include a cooling jacket with a generally frustoconical shape and a combustion chamber having an upper zone and a lower zone, which may be narrower than the upper zone. | 01-13-2011 |
20110030628 | TWO-CYCLE DRY-SUMP FUEL-INJECTED ENGINE - A two-cycle dry-sump fuel-injected engine includes a cylinder block with piston bores that step up substantially in diameter between the top of each cylinder and the bottom. A matching piston similarly steps in its outside diameter with a larger diameter lower skirt having an oil seal ring. A narrower diameter of the piston involves the top better part of its length. A jacket chamber all around the piston changes in volume as the piston travels. A combustion chamber has an exhaust valve and a fuel injector. The jacket chamber provides a pump for an oil mist and air lubrication system. Fresh air is drawn into the crankcase. When the piston moves all the way down, the fresh air is compressed by the larger displacement volume of the larger diameter piston skirt and transferred through to a smaller displacement volume of the upper piston to completely scavenge the exhaust. | 02-10-2011 |
20110079187 | HEATING ENGINE OIL IN AN INTERNAL COMBUSTION ENGINE - The disclosure relates to an internal combustion engine having a cylinder head and cylinder block serving as an upper crankcase portion for holding a crankshaft in multiple bearings. The engine has an oil pump for feeding engine oil to the cylinder head prior to supplying the multiple bearings in the cylinder block. | 04-07-2011 |
20110083624 | Cylinder Head For An Engine - A cylinder head for an engine is provided comprising a monolithic structure forming an upper deck, a fire deck, at least one coolant jacket and a cavity to accommodate a fuel injector or an ignitor therein, the cavity defined by a wall connecting the fire deck with the upper deck. The wall connecting the fire deck with the upper deck, as well as other features of the cylinder head, are preferably arranged to support the fire deck against a deflection thereof by transmitting a mechanical load introduced on a flame face of the fire deck to the upper deck. A method of increasing the stiffness of the cylinder head is also provided. | 04-14-2011 |
20110114044 | CYLINDER HEAD COOLING SYSTEM - A cylinder head for a motorcycle engine, which has a pair of cylinders arranged in a “V” configuration such that the cylinders converge toward a crankshaft axis and such that a space is defined between the cylinders at an upper extent of each of the cylinders. The cylinder head includes a base configured to be coupled to one of the cylinders, an intake side including an intake passage and an intake valve movable disposed within the intake passage, the intake side being positioned adjacent the space, and an exhaust side including an exhaust passage and an exhaust valve movable disposed within the exhaust passage, the exhaust side being positioned remote from the space. A cooling liquid inlet port and a cooling liquid discharge port are located on the intake side. A cooling liquid passage runs through the cylinder head to reduce an operating temperature of the cylinder head. | 05-19-2011 |
20110132296 | Engine Arrangement with Integrated Exhaust Manifold - An integration of the exhaust manifold into the cylinder head, initially for turbo application, is proposed, and an associated cooling concept is provided. This serves to achieve significant improvements in characteristic features whilst at the same time affording significantly reduced system costs. The advantages of this application are demonstrated taking a four-cylinder petrol engine constructed with direct fuel injection and turbo-charging as an example. Particularly worth emphasizing are the reduced fuel consumption in the ranges at or close to full load, reduced CO | 06-09-2011 |
20110192361 | WATER-COOLED FOUR-CYCLE ENGINE - In a water-cooled four-cycle engine, an engine core including a cylinder block, a cylinder head and a first crankcase half body is formed as a unitary part cast integrally; a water jacket including a cylinder jacket and a head jacket is formed in the engine core; and a timing-belt chamber being adjacent to the cylinder jacket is provided in a side portion of the engine core. A first opening portion for forming a first semi-peripheral portion of the cylinder jacket on a side opposite from the timing-belt chamber by casting out is provided in a side surface of the cylinder block. Second and third opening portions for forming a second semi-peripheral portion of the cylinder jacket and the head jacket as well as the timing-belt chamber, respectively, by casting out are provided in an upper surface of the cylinder head. | 08-11-2011 |
20110192362 | WATER-COOLED FOUR-CYCLE ENGINE - In a water-cooled four-cycle engine, an engine core including a cylinder block, a cylinder head and a first crankcase half body is formed as a unitary part cast integrally, and a water jacket including a cylinder jacket and a head jacket is formed in the engine core. In a first side surface of the engine core which is parallel with an axis of a crankshaft, an intake port and a first semi-peripheral portion of the water jacket are opened and a first lid plate for closing an opening portion of the first semi-peripheral portion is connected. In a second side surface of the engine core on a side opposite from the first side surface, an exhaust port and a second semi-peripheral portion of the water jacket are opened and a second lid plate for closing an opening portion of the second opposite portion is connected. | 08-11-2011 |
20110226197 | COOLING WATER PASSAGE STRUCTURE IN CYLINDER HEAD OF INTERNAL COMBUSTION ENGINE - A cooling water passage structure in a cylinder head of an internal combustion engine includes a first exhaust-side cooling water passage and a second exhaust-side cooling water passage arranged to sandwich an exhaust collecting portion and extending in a lengthwise direction of the cylinder head. An exhaust pipe is fastened to a exhaust-side lateral surface of the cylinder head via a fastening member. A shunt passage is formed in at least one of the first exhaust-side cooling water passage and the second exhaust-side cooling water passage to cool the fastening member and is formed along a water flow in the first exhaust-side cooling water passage or the second exhaust-side cooling water passage by partly expanding the first exhaust-side cooling water passage or the second exhaust-side cooling water passage to increase a passage cross-sectional area of the first exhaust-side cooling water passage or the second exhaust-side cooling water passage. | 09-22-2011 |
20110226198 | COOLING WATER PASSAGE STRUCTURE IN CYLINDER HEAD OF INTERNAL COMBUSTION ENGINE - A cooling water passage structure in a cylinder head of an internal combustion engine includes a main cooling water passage extending in the lengthwise direction above combustion chambers. An exhaust-side communication passage communicates the main cooling water passage with a first exhaust-side cooling water passage and with a second exhaust-side cooling water passage. A ridge extends in the lengthwise direction to adjust a flow speed of cooling water to flow through the main cooling water passage and is provided on a first wall surface of a main passage defining portion on a side away from the combustion chambers. An exhaust-side throttle portion extends in a direction substantially perpendicular to the lengthwise direction to reduce a passage cross-sectional area of the exhaust-side communication passage and is provided on a second wall surface of an exhaust-side communication passage defining portion on a side away from the combustion chambers. | 09-22-2011 |
20110271916 | Internal Combustion Engine with Liquid Cooling - A system for providing cooling to at least one cylinder of an engine is disclosed. The system comprises at least one coolant jacket in a cylinder head arranged on an inlet side of a cylinder and at least one coolant jacket in the cylinder head arranged on an outlet side of the cylinder. The outlet-side coolant jacket may be part of a water cooling circuit, while the inlet-side coolant jacket may be part of oil circuit. | 11-10-2011 |
20110277708 | Cylinder Head for Internal Combustion Engine - A cylinder head for an internal combustion engine comprises a cooling water jacket having a high volume lower portion and a low volume upper portion. A plurality of coolant risers in the high volume lower portion are configured to receive high pressure coolant from coolant openings in a cylinder block. Coolant risers extending between the high volume lower portion and low volume upper portion define restrictions regulate coolant flow from the high volume lower portion to the low volume upper portion at a predetermined volume and flow. | 11-17-2011 |
20120037101 | INTEGRATED EXHAUST MANIFOLD - A cylinder head of an engine with an integrated exhaust manifold is provided. In one example, the inner exhaust runners and outer exhaust runners have different cross-sectional areas. This arrangement may be beneficial to maintain exhaust flow rates in the integrated exhaust manifold. | 02-16-2012 |
20120060778 | CYLINDER HEAD FOR AN INTERNAL COMBUSTION ENGINE - A cylinder head adapted to be mounted to a cylinder block of an internal combustion engine has a cooling jacket at least partially integrated in the cylinder head. The engine has two groups of cylinders: inside cylinders and outside cylinders. Each cylinder has at least one exhaust port, each leading to an individual duct. Individual ducts of outside cylinders converge to form an outside combined duct. In a four-cylinder engine or cylinder head, individual ducts of inside cylinders converge to form an inside combined duct with the inside combined duct remaining separated from the outside combined duct by the cooling jacket. The inside combined duct is farther away from the mounting surface of the cylinder head to the cylinder block than the outside combined duct. The cooling jacket includes: upper, middle, and lower cooling jackets and connectors between the upper and lower cooling jackets. | 03-15-2012 |
20120073528 | Cylinder Head Having Water Jacket - A cylinder head having a water jacket may include a cylinder head in which a combustion chamber may be formed, and a protruding portion that may be integrally formed with the cylinder head and an exhaust outlet portion may be formed in an outer surface thereof to communicate with the combustion chamber, wherein the water jacket may be formed inside the protruding portion at an upper side and a lower side of an exhaust passage that may be aligned through the exhaust outlet portion, the water jacket having an upper water jacket formed between the upper side of the exhaust passage and an upper surface of the protruding portion, a lower water jacket formed between the lower side of the exhaust passage and a lower surface of the protruding portion, and a connection water jacket connecting the upper water jacket and the lower water jacket in the protruding portion. | 03-29-2012 |
20120085300 | CYLINDER HEAD - The first aspect of the present invention is a cylinder head containing a water jacket in which a passage for EGR gas is disposed, and the EGR gas passage has a hollow pipe that is disposed in the hollow pipe and through which the EGR gas passes and an end member that is formed with an insert hole into which the end of the hollow pipe is inserted and fixed. The end member has a bottom that is provided with the insert hole, a side wall that is formed continuously to the bottom, and a wedge portion that is projected outward from the outer peripheral of the side wall and includes a inclined surface facing the wall of the cylinder head and inclined to the flow direction of the EGR gas. The EGR gas passage is fixed to the cylinder head by holding the wedge portion of the end member between a fastening member for fastening the EGR gas passage to the cylinder head and the wall of the cylinder head. | 04-12-2012 |
20120090565 | CYLINDER HEAD COOLING SYSTEM - A cylinder head with an integrated exhaust manifold is provided, the integrated exhaust manifold including an exhaust manifold flange. In one example, the cylinder head includes a cooled flange to control exhaust system heat. The cylinder head can improve operation of an integrated cylinder head during at least some operating conditions. | 04-19-2012 |
20120090566 | CYLINDER HEAD OF AN INTERNAL COMBUSTION ENGINE - A cylinder head of an internal combustion engine with several cylinders includes an inlet side and an outlet side with at least two outlet channels per cylinder, wherein a first coolant jacket is arranged in the cylinder head, the first coolant jacket including a first coolant collection channel which extends along the cylinder head on the outlet side over the outlet. The first coolant collection channel is connected to cooling chambers at least partially surrounding the outlet channels, the cooling chambers being in a fluidic connection with at least one transfer opening in a cylinder head gasket plane, wherein one first transfer opening per cylinder is arranged in a first transverse engine plane containing a cylinder axis, and wherein a first transverse cooling passage extends from each first transfer opening in the first transverse engine plane between two respective outlet channels, the first transverse cooling passage splitting into two cooling sub-passages in the area of the cylinder axis. Each cooling sub-passage respectively surrounds an outlet channel in the area of a respective outlet opening over an angle (α) of approximately 180° and each cooling sub-passage is connected to the coolant collection channel by means of a second transverse cooling passage, wherein each second transverse cooling passage is arranged in the area of a second transverse engine plane extending through at least one cylinder head bolt bore. | 04-19-2012 |
20120227686 | CYLINDER HEAD FOR AN INTERNAL COMBUSTION ENGINE, WITH INTEGRATED EXHAUST MANIFOLD AND SUBGROUPS OF EXHAUST CONDUITS MERGING INTO MANIFOLD PORTIONS WHICH ARE SUPERIMPOSED AND SPACED APART FROM EACH OTHER - A cylinder head for an internal combustion engine has a body integrating in a single cast piece, the exhaust manifold. The exhaust conduits form separate subgroups merging into manifold portions superimposed and spaced apart from each other. A lower cooling jacket, an upper cooling jacket and an intermediate cooling jacket are formed in the head. The lower cooling jacket is longitudinally divided into a plurality of separate transverse chambers, while the upper cooling jacket has a portion extended longitudinally over the entire development of the head. The lower cooling jacket has a portion extending in the area of the body which separates the superimposed portions of the subgroups of exhaust conduits. The intermediate jacket forms a main outlet at an end of the head. The upper jacket has a first portion at the center of the head and a second portion forming an auxiliary circuit adjacent to said main outlet. | 09-13-2012 |
20120227687 | Cylinder Head for an Internal Combustion Engine, with Integrated Exhaust Manifold and Subgroups of Exhaust Conduits Merging into Manifold Portions which are Superimposed and Spaced Apart From Each Other - A cylinder head for an internal combustion engine has a body integrating, in a single cast piece, or exhaust manifold and including a lower cooling jacket and an upper cooling jacket. The lower cooling jacket is longitudinally divided into a plurality of separate transverse chambers associated to various engine cylinders, while the upper cooling jacket has a portion extending longitudinally over the entire development of the head and communicating with separate transverse chambers located on the intake side of the head. The exhaust conduits integrated in the head form separate subgroups of exhaust conduits merging into manifold portions superimposed and spaced apart from each other. The lower cooling jacket has a portion thereof which extends in the area of the body of the head which separates the superimposed portions of the abovementioned subgroups of exhaust conduits. | 09-13-2012 |
20120312257 | INTEGRATED EXHAUST CYLINDER HEAD - A cylinder head including an integrated exhaust manifold (IEM cylinder head) is coupled to a cylinder block of an engine. The IEM cylinder head comprises an exhaust collector coupled to cylinder exhaust valves, an exhaust port coupled to the exhaust collector, and a coolant jacket for cooling the cylinder head. An upper wall of the cylinder head at a region above the exhaust collector and proximal to the exhaust port may include a degas valve and a temperature sensor. The degas valve may be coupled a top most portion of an upper coolant core of the coolant jacket to direct accumulated steam and/or gas out of the upper coolant core to a degas bottle. The temperature sensor may send a temperature signal to a controller, and if the temperature signal is greater than a threshold, the controller may send an indication to an operator of over-temperature conditions of the engine. | 12-13-2012 |
20130055971 | INTEGRATED EXHAUST CYLINDER HEAD - An engine cooling system is provided. The engine cooling system includes a cylinder head including an integrated exhaust manifold that directs exhaust gases to an exhaust outlet port and a coolant passage surrounding the exhaust manifold. The engine cooling system further includes a cluster of separated exhaust passages for directing exhaust gases to the exhaust outlet port, the cluster including a drill hole disposed within material between the exhaust passages, the drill hole fluidically coupled to the coolant passage. | 03-07-2013 |
20130081584 | INTERNAL COMBUSTION ENGINE - An internal combustion engine can include a first ignition plug disposed on the inner side of a range surrounded by a plurality of intake valves and a plurality of exhaust valves with a cylinder head viewed in parallel to a cylinder axial line and standing uprightly along the cylinder axial line. A second ignition plug is inclined with respect to the cylinder axial line on the outer side of the range. The second ignition plug is disposed on the opposite side to a valve driving mechanism with respect to the cylinder axial line on the outer side of the range. | 04-04-2013 |
20130167786 | LIQUID-COOLED INTERNAL COMBUSTION ENGINE AND METHOD FOR OPERATING AN INTERNAL COMBUSTION ENGINE OF SAID TYPE - A liquid-cooling engine system is described with a coolant control device having an adjustable control element capable of independently controlling the flow of coolant through a cylinder head and cylinder block. The device contains a rotatable drum that can be rotated along its longitudinal axis to expose holes and thereby allows coolant circulation based on a temperature within the engine system. The coolant control device has three positions but may also be fine-tuned within each position to control the flow of coolant through the cylinder head and cylinder block in order to adjust the amount of heat extracted according to demand, which serves to control the liquid-type cooling circuit in a demand-dependent manner that accounts for the operating modes of the internal combustion engine. | 07-04-2013 |
20130247848 | ENGINE COOLING APPARATUS - A cooling apparatus is equipped with a cylinder block in which is provided and a cylinder head in which is provided. The first causes cooling water to flow through an exhaust-side portion of the cylinder block. Further, the first causes the cooling water to flow through an exhaust-side portion of the cylinder head including a predetermined region around a spark plug. The second is incorporated into a second circulation path different from a first circulation path into which the first is incorporated. The second causes the cooling water to flow through an intake-side portion of the cylinder block. Further, the second causes the cooling water to flow through an intake-side portion of the cylinder head. | 09-26-2013 |
20130284128 | HEAD GASKET HAVING VARIABLE AREA COOLANT OPENINGS - An engine assembly is provided herein. The engine assembly includes a head gasket interposing a cylinder block and a cylinder head, the head gasket comprising a first layer in face sharing contact with a portion of a cylinder head attachment surface included in the cylinder block and having a first-layer coolant opening adjacent to two neighboring cylinders and a second layer having a second-layer coolant opening having a smaller cross-sectional area than the first-layer coolant opening. | 10-31-2013 |
20140069357 | ENGINE WITH CYLINDER HEAD COOLING - A cylinder head for an engine is provided. The cylinder head may include an upper cooling jacket including at least a first inlet and a first outlet and a lower cooling jacket including at least a second inlet and a second outlet. The cylinder head may further include a first set of crossover coolant passages including one or more crossover coolant passages fluidly coupled to the upper cooling jacket and the lower cooling jacket and adjacent to one or more combustion chambers. | 03-13-2014 |
20140137818 | EXHAUST MANIFOLD AND DIFFUSER INTEGRATED CYLINDER HEAD - An exhaust manifold and diffuser integrated cylinder head, includes an exhaust manifold and a exhaust passage. The exhaust manifold is integrally formed with the cylinder head. The exhaust passage is integrally formed with the cylinder head such that a turbocharger is mounted on a joining part of exhaust ports of the exhaust manifold and exhaust gas discharged from the exhaust passage flows to the turbocharger. | 05-22-2014 |
20150034029 | INTERNAL COMBUSTION ENGINE HAVING AT LEAST ONE CYLINDER - An internal combustion engine having at least one cylinder with a reciprocating piston, and in which the cylinder head and the cylinder block are integrally arranged as a head-block unit, having at least one exhaust-gas turbocharger. | 02-05-2015 |
20160102595 | CYLINDER HEAD COOLING APPARATUS OF ENGINE - There is provided a cylinder head cooling apparatus of an engine capable of enhancing cooling efficiency around an auxiliary combustion chamber wall. The cylinder head cooling apparatus of an engine including a cylinder head having therein an intake port, an exhaust port, an auxiliary combustion chamber, and a cooling water jacket, in which an intake port wall, an exhaust port wall, and an auxiliary combustion chamber wall are placed in the cooling water jacket, the cooling water jacket includes a cooling water inlet and a cooling water outlet, engine cooling water flowed from the cooling water inlet into the cooling water jacket flows out from the cooling water outlet through the cooling water jacket, wherein a cooling water guide wall is provided upstream of the auxiliary combustion chamber wall in a cooling water passing path of the cooling water jacket, and the upstream cooling water guide wall is formed into a shape whose width gradually widens toward a downstream side. | 04-14-2016 |
20160115897 | Cylinder Head for an Internal Combustion Engine - The invention relates to a cylinder head ( | 04-28-2016 |
20160377022 | COOLING DEVICE FOR INTERNAL COMBUSTION ENGINE - A cooling device for an internal combustion engine includes a HT cooling system, a LT cooling system, and an electronic control unit. The electronic control unit is configured to, if a HT temperature has reached a HT determination value, control an operation state of the HT cooling system to start cooling for maintaining the HT temperature at a HT target temperature. The electronic control unit is configured to, if a LT temperature being a temperature of a LT cooling medium has reached a LT determination value, start a LT cooling control for maintaining the LT temperature at a LT target temperature under a specific condition where an early warm-up of the internal combustion engine is not required. The electronic control unit is configured to start the LT cooling control if the HT temperature has reached the HT determination value under a condition where the early warm-up is required. | 12-29-2016 |