Did You Know...
...that the Slinky toy was the result of a failed attempt by engineer Richard James to produce an antivibration device for ship instruments? His goal was to develop a spring that would instantaneously counterbalance the wave motion that rocks a ship at sea. Instead, he developed the Slinky.
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| Number | Title | Issue Date |
| 8171898 | Crankcase breathing system A crankcase breathing system (1) for an internal combustion engine includes at least one oil separating apparatus with a preliminary separator (3) and a main separator (4) arranged downstream of the same, with the preliminary separator (3... | 05/08/2012 |
| 8096270 | Cylinder block and method for manufacturing the same Provided is a cylinder block which includes a liner and a water jacket having a closed-deck structure in a simple configuration and which has a structure providing high rigidity and enabling easy formation at low cost. A cylinder block of the present invention inclu... | 01/17/2012 |
| 7647900 | Engine cooling apparatus An engine cooling apparatus includes a coolant inlet of a block water jacket formed in a cylinder block, wherein coolant is introduced into the block water jacket through the coolant inlet, a flow-directing plate that is disposed in the block water jacket at a posit... | 01/19/2010 |
| 7430993 | Cooling structure of engine A cooling water communication passage extending in a cylinder disposition direction is provided at a cylinder block-integrated crankcase of an engine with parallel multiple cylinders loaded by being tilted forward, and cooling water is supplied to a water jacket fro... | 10/07/2008 |
| 7322320 | Engine 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 |
| 7318395 | Internal 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 |
| 7290506 | Fluid-cooled cylinder liner Particular embodiments of the present invention provide novel fluid-cooled cylinder liners. Preferred liners are annular cylinders containing a plurality of passages, arranged generally parallel to the axis of the cylinders, and integrated between the inner and oute... | 11/06/2007 |
| 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 |
| 7240644 | Internal combustion engine with cylinder head having directed cooling An internal combustion engine cylinder head unit includes a number of gas flow ports extending upwardly from a fire deck. A common coolant passage extends between adjacent ones of the gas flow ports. A first coolant flow director includes a flow splitter extending d... | 07/10/2007 |
| 7216612 | Internal combustion engine having cylinder formed with water jacket and vehicle provided with the same An internal combustion engine includes a cylinder head, a cylinder having an opposed surface opposed to the cylinder head and including a water jacket, which is concave in an axial direction of the cylinder, and a piston provided in the cylinder. An oil ring is prov... | 05/15/2007 |
| 7216611 | Cooling structure of cylinder block A cooling structure of a cylinder block includes a water jacket portion which is provided so as to surround an entire outer periphery of the bore wall; a water jacket spacer which is inserted in the water jacket portion; and a gasket which is provided in an upper po... | 05/15/2007 |
| 7191770 | Insulated cylinder liner for a marine engine An engine is made by providing a layer of material between the outer surface of a cylinder liner and the inner surface of the cylinder opening within an engine block. The material can be a polymer or a ceramic. Polyether ether ketone or polyethylene terephthalate ca... | 03/20/2007 |
| 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 block, and a lower layer block. Labyrinth-shaped cooling water passages ... | 03/20/2007 |
| 7185642 | Manifold body for an internal combustion engine A manifold body for an internal combustion engine. The manifold body includes an EGR cooler cavity adapted to receive an EGR cooler, an oil cooler cavity adapted to receive an oil cooler, and an air intake manifold configured to provide a gas mixture to the internal... | 03/06/2007 |
| 7182167 | Hybrid propulsion system for two-wheeled vehicle A hybrid-type unit for a two-wheeled vehicle can include an engine, a motor for driving a wheel of a vehicle, a power distribution mechanism, and a generator. The generator and the motor can be disposed at different positions offset longitudinally from each other an... | 02/27/2007 |
| 7159682 | Motorcycle with improved thermostat mounting A motorcycle is provided having front and rear wheels. A chassis is supported on and connected to the front and rear wheels. An engine is mounted to the chassis and includes front and rear cylinder heads joined to an engine block. Front and rear mounting assemblies ... | 01/09/2007 |
| 7137364 | Cooling system of engine for personal watercraft An open-looped cooling system is disclosed. The cooling system typically includes a cylinder head including a first water jacket through which cooling water flows, a cooling water inlet through which the first water jacket communicates with outside, and a first cool... | 11/21/2006 |
| 7137363 | Cooling structure of cylinder block A cooling structure of a cylinder block includes a water jacket portion which is provided so as to surround an entire outer periphery of the bore wall; a water jacket spacer which is inserted in the water jacket portion; and a gasket which is provided in an upper po... | 11/21/2006 |
| 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 includes an annular first water reservoir for temporarily storing coolan... | 09/12/2006 |
| 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 |
| 7086356 | Engine cooling structure To simplify a coolant piping around an engine in an engine cooling structure, which has a pump mounted on a crankcase for circulating a coolant between cylinder and head jackets. A crankcase has coolant supply passages for guiding a coolant from a pump and coolant r... | 08/08/2006 |
| 7082904 | Engine cooling system for off-road vehicle An engine cooling system for cooling an engine installed in an off-road vehicle includes a coolant circulating system including a thermostat held in a thermostat case, and connecting water jackets formed in the engine and a radiator. The coolant circulating system h... | 08/01/2006 |
| 7082908 | Cooling structure of cylinder block A cooling structure of a cylinder block includes a water jacket portion which is provided so as to surround an entire outer periphery of a bore wall; and a water jacket spacer which is inserted in the water jacket portion. A foreign matter collecting mechanism which... | 08/01/2006 |
| 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 retain pistons therein. The jacket sidewall is disposed around an external... | 07/25/2006 |
| 7077079 | Cylinder block of internal combustion engine A reinforcing structure is integrally formed on a front wall of a cylinder block of shallow water jacket type. The reinforcing structure comprises mutually crossing vertical and lateral ribs. The vertical rib extends vertically between upper and lower deck portions ... | 07/18/2006 |
| 7069882 | Water-cooled engine In a water-cooled multi-cylinder vertical engine for an outboard engine system, cooling water having passed through an exhaust-manifold cooling water jacket for cooling an exhaust passage within an engine room is supplied to a cylinder-block cooling water jacket pro... | 07/04/2006 |
| 7056170 | Water-cooled vertical engine and outboard motor equipped therewith A water-cooled vertical engine includes a cylinder block cooling water jacket formed in a cylinder block and a cylinder head cooling water jacket formed in a cylinder head, the jackets being substantially independent. Cooling water from a cooling water pump is suppl... | 06/06/2006 |
| 7044089 | Cylinder head structure of engine In a cylinder head structure of a multi-cylinder engine, a head-side water jacket is provided in the cylinder head, a lateral rib extending in the engine width direction is provided at an upper face of the portion located between cylinders of bottom deck, the latera... | 05/16/2006 |
| 7032547 | Cylinder block cooling arrangement for multi-cylinder internal combustion engine An insert for a siamese-type internal combustion engine that separates a water jacket surrounding the cylinders into an upper portion and a lower portion. Below a predetermined engine speed coolant flows primarily in the upper water jacket portion so as to provide e... | 04/25/2006 |
| 7021250 | Precision cooling system A precision cooling system directs the flow of coolant to optimize coolant flow around the cylinders of an internal combustion engine. This results in lower temperatures in the upper portion of the cylinders, more uniform temperatures throughout the engine, and a lo... | 04/04/2006 |
| 7017532 | Engine and personal watercraft An engine for a personal watercraft uses an open-looped cooling system and comprises a cylinder block having a water jacket within which cooling water flows, and a piston that reciprocates within the cylinder block, and a dimension of the water jacket in a reciproca... | 03/28/2006 |
| 7007637 | Water jacket for cylinder head A water jacket for a cylinder head is disclosed. The water jacket comprises a coolant flow channel formed between a coolant inlet and a coolant outlet for allowing the coolant to flow in the cylinder head. Coolant flow regulation parts are provided in the coolant fl... | 03/07/2006 |
| 6988480 | Cylinder block for an internal combustion engine having a locally thickened end wall Increasing the diameter of cylinder bores in a cylinder block requires a longer and heavier cylinder block to accommodate the larger bores. If the cylinder block is not lengthened it is difficult to accommodate the water jacket between the outermost cylinder bore an... | 01/24/2006 |
| 6976466 | Cylinder block and crankcase for a liquid-cooled internal-combustion engine A cylinder block and crankcase for a liquid-cooled internal-combustion engine is to be constructed by composite casting, a magnesium case being cast around an aluminum power unit block. The cylinder block and crankcase is conceived such that the aluminum power unit ... | 12/20/2005 |
| 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 formed therein. The insert is disposed in the water jacket and inserted... | 12/28/2004 |
| 6834624 | Marine engine pressure relief valve The present invention, in one aspect, is a pressure responsive valve for a marine engine that facilitates balanced operation of the engine. In an exemplary embodiment, the valve includes a first chamber and a second chamber. Coolant is in flow communication with the... | 12/28/2004 |
| 6830016 | System and method for cooling an engine An engine is provided having a cylinder head and a cylinder block. The cylinder head has a head water-jacket for circulating coolant, and the cylinder block has a block water-jacket for circulating the coolant. Coolant flow is blocked between the block and head wate... | 12/14/2004 |
| 6776127 | Interbore cooling system A cooling system for cooling an interbore bridge of a cylinder block of a water cooled engine, the interbore bridge having a top surface and a central region of minimum width; the cylinder block having a water jacket; the cooling system including at lest one water p... | 08/17/2004 |
| 6758173 | Cooling structure in engine In an engine of a cylinder-head first cooling type, cooling performance for a cylinder head and a cylinder block is enhanced. Cooling water from a water pump is supplied via a water jacket in a cylinder head to a water jacket in a cylinder block. The water jacket in... | 07/06/2004 |
| 6745728 | Coolant circuit and method for a multi-cylinder internal-combustion engine A coolant circuit and method of operating a coolant circuit is provided for a multi-cylinder internal-combustion engine. A cooling jacket which surrounds a cylinder head housing and a cylinder block and is supplied with cooling liquid by way of a pump. The cylinder ... | 06/08/2004 |
