Class / Patent application number | Description | Number of patent applications / Date published |
060321000 | Cooled manifold | 21 |
20090013679 | Engine exhaust structure - A temperature regulating material | 01-15-2009 |
20090044525 | EXHAUST-GAS COOLING DEVICE FOR AN INTERNAL COMBUSTION ENGINE - An exhaust-gas cooling device ( | 02-19-2009 |
20090071135 | REVERSE FLOW HEAT EXCHANGER FOR EXHAUST SYSTEMS - An exhaust system includes a reverse flow heat exchanger having a plate separating an intake chamber and an exit chamber, each chamber having an inlet and an outlet located at opposing ends to allow flow therethrough. The plate can include a vane connected to the end of the plate in the vicinity of an inlet or an outlet. The vane is configured to reduce resistance to fluid flow near the intake chamber inlet. The exhaust system includes a heating manifold, such as a combustion chamber, configured to receive an exhaust stream from the intake chamber, further heat the exhaust stream, and return the exhaust stream to the exit chamber. Embodiments of the system can be configured to additionally perform as a catalytic converter and/or a muffler. | 03-19-2009 |
20090241526 | Exhaust Manifold Being Integrally Formed with Cylinder Head - An engine includes exhaust manifold integrally formed with a cylinder head. The engine may include an exhaust manifold having at least one single exhaust outlet for exhausting exhaust gas that is exhausted from at least two cylinders that are not adjacent with each other, wherein periods during which exhaust valves are open are not overlapped with each other between the at least two cylinders. | 10-01-2009 |
20090241527 | ARRANGEMENT FOR COOLING THE EXHAUST GAS OF A MOTOR VEHICLE - The invention relates to an arrangement ( | 10-01-2009 |
20090288404 | EXHAUST-GAS COOLER - An exhaust-gas cooler includes a housing having a bypass duct and a cooling zone having arranged therein an exhaust-gas cooling duct which includes an entry cooling duct, at least one reversing duct connected to the entry cooling duct, and an exit cooling duct connected to the reversing duct. The reversing duct is constructed to conduct the exhaust-gas flow in opposite direction to a direction of flow in the entry cooling duct and the exit cooling duct. A control element is received in the housing for selectively directing an exhaust-gas flow through the bypass duct or through the cooling zone, with the bypass duct being segregated from a deflection zone of the reversing duct. | 11-26-2009 |
20100005792 | HEAT-RECEIVING MEMBER AND EXHAUST PIPE HEAT-RELEASING SYSTEM - A heat-receiving member includes a base and a surface layer. The base has a surface and includes at least one of aluminum and an aluminum alloy. The surface layer is provided at the surface of the base. The surface layer is anodized. | 01-14-2010 |
20100011754 | Exhaust Gas Muffler - An exhaust gas muffler for an internal combustion engine, especially the engine of a manually-guided implement such as a power saw, a cut-off machine, or the like. The muffler has a housing having an inlet for exhaust gases and an outlet out of the housing. The housing has an outer wall over which the exhaust gases from the outlet flow. To achieve an adequate cooling of the exhaust gas muffler and the discharging exhaust gases, the exhaust gases out of the outlet draw in atmospheric air between the exhaust gases and the outer wall of the housing. | 01-21-2010 |
20110131963 | EXHAUST MANIFOLD SYSTEM AND COLLAR COOLANT JACKET - An exhaust manifold of a turbocharged engine includes a collar coolant jacket to maintain component temperatures within acceptable limits. The collar coolant jacket is specifically located around the exhaust outlet of the manifold. | 06-09-2011 |
20110185716 | COOLING ADAPTER - There is provided a cooling adapter provided between a cylinder head of an internal combustion engine and an exhaust pipe of the internal combustion engine in such a manner as to connect the cylinder head and the exhaust pipe to each other. This cooling adapter is equipped with a plurality of exhaust passages provided in parallel with one another to cause an exhaust gas from the cylinder head to flow to the exhaust pipe, a water jacket formed around an entirety of the respective exhaust passages and among the respective exhaust passages to cause a cooling liquid to flow to exchange heat with the exhaust gas flowing through the plurality of the exhaust passages, an inlet portion configured to cause the cooling liquid to flow into the water jacket, and an outlet portion configured to cause the cooling liquid to flow out from inside the water jacket. The inlet portion is so provided as to open to the water jacket at a position close to the cylinder head and corresponding to a gap between adjacent ones of the exhaust passages. | 08-04-2011 |
20110232274 | EXHAUST GAS-COOLING PIPE ELEMENT AND INTERNAL COMBUSTION ENGINE EXHAUST SYSTEM - In an exhaust gas-cooling pipe element provided between an exhaust port of an internal combustion engine and an exhaust branch pipe, a center axis of an exhaust introduction opening that is connected to the exhaust port and a center axis of an exhaust discharge opening that is connected to the exhaust branch pipe are placed out of alignment with each other. | 09-29-2011 |
20110232275 | INTERNAL COMBUSTION ENGINE EXHAUST COOLING SYSTEM - An internal combustion engine exhaust cooling system includes an exhaust gas cooling adapter that is arranged between an exhaust port that opens in a cylinder head, and an exhaust branch pipe, and cools exhaust gas that flows through an exhaust passage by running coolant through a coolant passage formed inside of a wall that surrounds the exhaust passage. The coolant passage includes a first passage and a second passage being provided according to an offset of an amount of heat received from exhaust gas in a circumferential direction of an inner surface of the exhaust passage, and two middle passages that connect the first passage with the second passage at both ends of the two middle passages, and a coolant delivery direction is a direction from the second passage side of a first middle passage, of the two middle passages, toward the first passage side. | 09-29-2011 |
20110252775 | EXHAUST FLOW INSULATOR FOR AN EXHAUST SYSTEM DEVICE - An exhaust system device comprising a liquid-cooled non-ferrous housing including a liquid cooling passage and defining a path for exhaust gas, and an exhaust flow insulator carried in the exhaust gas path of the housing to convey exhaust gas through the housing to limit heat transfer from exhaust gas to the housing. | 10-20-2011 |
20110308237 | EXHAUST GAS COOLING ADAPTER - An exhaust gas cooling adapter arranged between an exhaust port opening to a cylinder head of an engine and an exhaust manifold is equipped with an exhaust gas flow channel which is provided inside the exhaust gas cooling adapter and through which an exhaust gas from the exhaust port flows to the exhaust manifold, and a cooling liquid flow channel which is formed in a wall portion of the exhaust gas cooling adapter that surrounds the exhaust gas flow channel to cool the exhaust gas flowing through the exhaust gas flow channel. The wall portion has a blockage portion formed by blocking a through-hole provided between an outside and the cooling liquid flow channel. This blockage portion has a region located in the cooling liquid flow channel and arranged at a position other than a collision position of a cooling liquid flowing through the cooling liquid flow channel. | 12-22-2011 |
20130000287 | EXHAUST MANIFOLD WITH SHIELDED COOLING - An exhaust manifold configured to be coupled to a cylinder head of an internal combustion engine includes a manifold section. The manifold section includes a manifold tube configured to receive exhaust gas from the cylinder head, and a water jacket tube at least partially defining a tube configured to receive cooling fluid. The manifold tube is received in the water jacket tube. The manifold section further includes a support in a gap between the manifold tube and the water jacket tube, and an adaptor tube coupled to the water jacket tube and configured to provide flow communication between the cylinder head and the manifold tube. | 01-03-2013 |
20130186076 | METHOD TO PROTECT THE EXHAUST MANIFOLD FROM OVERHEATING USING HEAT PIPE - An exhaust system for an engine is disclosed herein. The exhaust system includes a catalytic converter, an exhaust manifold upstream from the catalytic converter, and a heat pipe in thermal contact with the exhaust manifold and atmosphere. The system further includes a phase changing material that passively absorbs heat after catalytic light-off. | 07-25-2013 |
20140041371 | ENGINE - An engine includes an engine body and an exhaust pipe. The engine body includes a combustion chamber and an oil passage in which lubricating oil flows. The exhaust pipe includes an exhaust passage and an oil jacket. The exhaust passage is linked to the combustion chamber. The oil jacket is linked to the oil passage. | 02-13-2014 |
20140116036 | Modular Exhaust Manifold With Independent Sealing Of Exhaust Tube And Coolant Passage - An internal combustion engine includes a cylinder block defining at least one cylinder, and a cylinder head coupled to the cylinder block. A modular exhaust manifold is coupled to the cylinder head and is configured to receive exhaust gas from the cylinder head. The modular exhaust manifold includes a plurality of exhaust manifold segments coupled together along a common axis. Each of the exhaust manifold segments includes a segment of a water jacket tube defining a plurality of liquid coolant passages and a segment of an exhaust tube received within the water jacket tube segment. A joint between adjacent exhaust manifold segments includes a first sealing member configured to seal the exhaust tube at the joint and a second sealing member configured to seal at least one of the liquid coolant passages at the joint. The first and second sealing members are supported on and movable with different components. | 05-01-2014 |
20140208726 | Air Shielded Water Cooled Exhaust Manifold With Exhaust Tube Support - An internal combustion engine includes a cylinder block defining at least one cylinder, and a cylinder head coupled to the cylinder block. An exhaust manifold is coupled to the cylinder head and configured to receive exhaust gas from the cylinder head. The exhaust manifold includes a water jacket tube defining a plurality of liquid coolant passages and an exhaust tube received within the water jacket tube. The exhaust manifold also includes an air gap between the exhaust tube and the water jacket tube. A support mat is positioned in the air gap and compressed between an outer surface of the exhaust tube and an inner surface of the water jacket tube. | 07-31-2014 |
20150121858 | RADIANT HEAT DISCHARGE ARRANGEMENT - A radiant heat discharge arrangement for use with a internal combustion engine is disclosed. The internal combustion engine may have an outlet manifold. The radiant heat discharge arrangement may have a cover configured to over the outlet manifold with a clearance between the cover and the outlet manifold. The cover may have at least one outlet opening. The radiant heat discharge arrangement may also have an air duct having at least one air inlet fluidly connected to the at least one outlet opening of the cover. The air duct may also have an air outlet. Further, the radiant heat discharge arrangement may have a fan fluidly connected to the air outlet. | 05-07-2015 |
20160003117 | EFFICIENCY AND EMISSIONS IMPROVEMENTS FOR NATURAL GAS CONVERSIONS OF EMD 2-CYCLE MEDIUM SPEED ENGINES - A prechamber assembly includes a cylinder head including a coolant cavity, a prechamber body located within the cylinder head, the prechamber body including a nozzle, and an annular sleeve radially surrounding a portion of the prechamber body. The sleeve includes a plurality of coolant inlet holes. A portion of the prechamber body is radially spaced from the sleeve to form a coolant sleeve annulus extending along a length of the prechamber body above the coolant inlet holes. The coolant cavity and the coolant sleeve annulus are in fluid communication through the plurality of coolant inlet holes. | 01-07-2016 |