...that the x-ray was discovered purely by accident? When German physicist Wilhelm Konrad von Roentgen was experimenting with cathode rays in 1895, he put an activated Crookes tube in a book and went out to lunch. When he returned, he discovered that a key that had also been placed in the book showed up as an image on the developed film!
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| Number | Title | Issue Date |
| 8020524 | Exhaust heat recovery apparatus An exhaust heat recovery apparatus includes an evaporator and a condenser. The evaporator and the condenser form an operation medium circuit such that an operation medium circulates through the evaporator and the condenser. The evaporator has tubes and is disposed i... | 09/20/2011 |
| 7845316 | Internal combustion engine cooling system An internal combustion engine has a crankcase, a crankshaft, a cylinder block, at least one piston, a cylinder head assembly, and a cooling system for cooling at least a portion of the engine. The cooling system has a first cooling jacket for cooling a first side of... | 12/07/2010 |
| 7810457 | System and method for controlling oil temperature of an internal combustion engine in a motor vehicle A system and method for controlling the temperature of the engine oil of an internal combustion engine of a motor vehicle are provided. The system includes an engine oil circuit for controlling the temperature of the engine oil, which engine oil circuit includes the... | 10/12/2010 |
| 7717070 | Optimized cooling system for a motorized vehicle The present invention provides engine-cooling module assemblies. One engine-cooling assembly includes an engine block and a cooling module including a coolant channel integrated into the engine block. Parallel to the coolant channel is a bypass channel integrated in... | 05/18/2010 |
| 7673593 | Engine cooling system The invention concerns an engine cooling system that comprises a cooling circuit (8) and an evaporative cooling arrangement (9). The cooling circuit (8) has a cooling capacity provided by exchanging the heat generated by the engine with ambient ... | 03/09/2010 |
| 7533636 | System, method, and computer readable media for controlling cooling in a diesel fueled power generation unit A system, method, and computer readable media for controlling cooling in a diesel fueled power generation unit. The system includes a first cooling circuit configurable in a first mode for directing an oil coolant portion into main oil cooler and an intercooler cool... | 05/19/2009 |
| 7409930 | Water cooling device for outboard motor An outboard motor can have a case supported by a hull, an internal combustion engine supported on the upper end of the case, an oil pan formed in the case for storing lubricating oil for the internal combustion engine, and a cooling water jacket formed integrally wi... | 08/12/2008 |
| 7383794 | Injection nozzle for internal combustion machines Within an injection nozzle for the injection of fuels into the combustion chamber of an internal combustion machine the injection nozzle (5) comprising an axially displaceable valve needle (7), which plunges into a control chamber (12) chargeabl... | 06/10/2008 |
| 7350881 | Motorcycle with antilock brake system In a motorcycle provided with an antilock brake system, a front fork supporting a front wheel of a motorcycle is supported to be rotatable by a head pipe which is located at the front end portion of a body frame of a motorcycle, a handle-bar is secured to an upper e... | 04/01/2008 |
| 7341039 | Lubrication system for a marine propulsion system with a tilted in-line engine A lubrication system for an in-line engine which has a piston symmetry plane that is tilted relative to a vertical plane is provided with an oil pan and windage tray that facilitates the transfer of oil from a rotating crankshaft to the oil pan without excessive aer... | 03/11/2008 |
| 7318396 | Cooling system for a marine propulsion engine A cooling system for a marine engine incorporates first and second thermally responsive valves which are responsive to increases in temperature above first and second temperature thresholds, respectively. The two thermally responsive valves are configured in serial ... | 01/15/2008 |
| 7267084 | Cooling and preheating device In a cooling and heating device for an internal combustion engine having a main coolant pump supplying coolant to the engine and a coolant return line with a return flow control unit which directs the coolant return flow to the main coolant pump selectively via a la... | 09/11/2007 |
| 7261068 | Vehicular thermostatically-controlled dual-circuit cooling system and associated method A dual-circuit cooling system for a vehicle is disclosed. One of the circuits may be used to manage the temperature of the engine while the other circuit may be used to manage the temperature of a component other than the engine. An associated method is disclosed. | 08/28/2007 |
| 7255068 | Cooling arrangement for a snow vehicle engine A snow vehicle includes an engine, a track belt arranged on a rear side of the engine, and a cooling water path for cooling the engine, in which the engine includes a cooling water inlet portion and a cooling water outlet portion provided on a front surface side of ... | 08/14/2007 |
| 7234216 | Method for support control in machine tools Method for support control in machine tools where it is controlled whether an object is arranged correctly on a support surface in the machine tool, where a duct system is used which ends in the support surface, and conducts a medium, and can be pressurized, the fin... | 06/26/2007 |
| 7219644 | Engine cooling system configuration, and personal watercraft incorporating same An internal combustion engine for a personal watercraft in which cooling water in an oil cooler housing is naturally discharged when the personal watercraft is pulled up on land. An oil cooler is disposed within an oil cooler housing on an upper front side of the en... | 05/22/2007 |
| 7216609 | Motor vehicle cooling system A cooling system for an internal combustion engine mounted in a vehicle includes a first flow circuit with a pump for circulating coolant via ducts in the cylinder block of the engine and a radiator. The first flow circuit is separated from atmospheric pressure. The... | 05/15/2007 |
| 7213668 | Sliding air-box A vehicle, such as a snowmobile, includes an engine with one or more air intakes for receiving air into the engine and an airbox for directing air into the air intakes. The airbox slides to facilitate installation and removal of the airbox from the engine compartmen... | 05/08/2007 |
| 7210522 | Arrangement for cooling a vehicle component The invention constitutes an arrangement for cooling a vehicle component, for example a transmission, disposed adjacent to an engine, which arrangement includes a cooling circuit designed to feed a coolant through the transmission and including a line for coolant to... | 05/01/2007 |
| 7182049 | Cooling arrangement and a method for cooling a vehicle engine retarder Cooling device for a retarder of a vehicle engine, comprising a coolant circuit with a coolant cooler and a retarder cooler, and at least one further coolant circuit with a further coolant cooler and a further cooler. To allow more cooling capacity to be released fo... | 02/27/2007 |
| 7178500 | Marine engine with a water cooled oil gallery A lubricant supply system for a marine engine is provided with a lubricant conduit that is formed within an engine block in close proximity to a coolant conduit. The coolant conduit is extended, by a bulge, in a direction toward the lubricant conduit in order to red... | 02/20/2007 |
| 7162936 | Connection of a gearbox cooling to the cooling circuit of an engine A vehicle transmission (2) includes a transmission housing (4), a clutch bell housing (6), and lines (20, 22, 36, 38) for a liquid cooling medium and is connected at a junction point to a vehicle engine (26). In the area of the jun... | 01/16/2007 |
| 7128027 | Cooling system for an outboard motor A cooling system of an outboard motor provides back and forth flow of water from one side of an exhaust passage to the opposite side in order to avoid the creation of stagnant pools of water within which minerals and debris can collect. This result is accomplished b... | 10/31/2006 |
| 7125499 | Liquid crystal polymer technology chemicals and applications Liquid phase liquid crystal polymers (LCPs) are disclosed having a composition and structure that can be varied to provide desirable properties. The liquid phase LCPs have polyiminoborane, polyaminoborane, and/or borozine polymer backbone molecules, with silicon and... | 10/24/2006 |
| 7114469 | Cooling system for a marine propulsion engine A cooling system for a marine engine divides a flow of cooling water into first and second streams downstream of a pump. The first stream flows through a first cooling system which is controlled by a pressure sensitive valve. The second stream flows through a second... | 10/03/2006 |
| 7104227 | Internal combustion engine machine incorporating significant improvements in power, efficiency and emissions control A two stroke cycle internal combustion engine machine that does not require lubricating oil to be mixed with its fuel, producing greater efficiency, higher power to weight ratio, cooler operating temperatures, a wider speed range, greater simplicity, and lower toxic... | 09/12/2006 |
| 7104352 | Intercooler system and method for a snowmobile with a supercharged engine A snowmobile (20) having an engine (34) with an air charging system (70). The air charging system (70) is connected to an intercooler assembly (57), which includes a heat exchanger (56) mounted adjacent to an intercooler ope... | 09/12/2006 |
| 7093474 | Extrusion die for manufacturing tube with small hollow portions, mandrel used for said extrusion die, and multi-hollowed tube manu-factured by using said extrusion die An extrusion die for manufacturing a tube with a plurality of small hollow portions arranged in a width direction of the tube, includes a female die for defining an outer periphery of the tube and a mandrel combined with the female die. The mandrel includes a body p... | 08/22/2006 |
| 7086355 | Cylinder head structure of engine Head cooling passages are formed around intake ports and exhaust ports provided in a cylinder head, and a flow control member which controls the volume of cooling medium flowing toward the intake ports to be larger than the volume of cooling medium flowing toward th... | 08/08/2006 |
| 7073467 | Cooling water circuit system A cooling water circuit system for an engine includes a radiator bypass passage through which cooling water of the engine bypasses a radiator, a heat exchanger disposed in the radiator bypass circuit to perform heat exchange between the cooling water and lubricant o... | 07/11/2006 |
| 7073576 | System for the circulation of the coolant of the oil cooler for the automatic transmission of a motor vehicle Circulation system for the coolant in an oil cooler (13) adapted to cool down the oil of the automatic transmission (2) of a motor vehicle in which the drain conduit (15) for the coolant from the oil cooler (13) of the transmission (2 | 07/11/2006 |
| 7047913 | Cooling system for a vehicle A cooling system is provided for a vehicle with an internal combustion engine. The cooling system includes a high temperature cooling circuit and a low temperature cooling circuit that is separated from the high temperature cooling circuit. The high temperature cool... | 05/23/2006 |
| 7047912 | Work vehicle cooling system A work vehicle cooling system comprises a cooling fan (18) driven by the output from an engine (16), and a flow path for allowing an airflow (27) generated by the cooling fan (18) to be flown between the engine (16) and an operator... | 05/23/2006 |
| 7040269 | Method for operating a drive with an internal combustion engine and an electric machine The warm-up period of the internal combustion engine is reduced by operating an electric machine as an additional load of the combustion engine in order to obtain a specific excessive increase in the heat loss of combustion engine. To this end, the magnetizing curre... | 05/09/2006 |
| 7036561 | Heat exchanger module Brackets 3 made of resin are provided between the radiator 1 and the condenser 2, and the heat exchangers 1 and 2 are secured to the brackets 3, so that heat transfer from the radiator 1 to the condenser 2 can ... | 05/02/2006 |
| 7017626 | Oil filler neck for an internal-combustion engine An oil filler neck assembly is provided for an internal-combustion engine, which includes a hinged lid and a lock. The lock, in turn, includes a rotating device and a fixing device. The rotating device is rotatably arranged in the lid. The fixing device is arranged ... | 03/28/2006 |
| 7007645 | Method and apparatus for controlling CVVT of an engine Controlling of a CVVT can be improved by controlling the CVVT based on an estimated oil temperature, the estimated oil temperature being calculated on the basis of a coolant temperature at starting of the engine and a period of time that has elapsed after the starti... | 03/07/2006 |
| 7001531 | Sustained release coolant additive composition A coolant additive composition comprising a sustained release component and an additive component, the additive component is effective to provide at least one benefit to a coolant when released into the coolant, the sustained release component includes a polymeric m... | 02/21/2006 |
| 6997238 | Cooler plate and gearbox assembly A gearbox assembly comprising a casing defining a cavity for housing gears of an engine-driven apparatus, the casing having at least one substantially flat exterior surface for receiving a cooler plate, and a cooler plate mounted to the casing at the substantially f... | 02/14/2006 |
| 6994784 | Liquid filter/heat exchanger unit A liquid filter/heat exchanger unit including a liquid filter and a heat exchanger, the liquid filter having a filter element in a filter housing. To bypass the heat exchanger, there is a bypass connecting the heat exchanger inlet directly to the unfiltered side of ... | 02/07/2006 |