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Class 123/41.42 - Liquid coolants other than water and water treatment


Subclass of Class 123 - Internal-combustion engines
Definition: Cooling systems employing liquid coolants other than water
No. of patents: 76
Last issue date: 05/31/2011


1    
NumberTitleIssue Date
7950354Oil-cooled engine
An oil-release space (18) is formed along a lower side portion (17) of a cylinder lateral and peripheral wall (3) below an oil-cooling jacket (4). A reinforcing plate (19) spans between the lower side portion (17) of the cyl...
05/31/2011
7703421Cooling arrangement for a fuel injector and method
A plurality of injector hold-down clamps (310) is arranged to connect, one each, each of a plurality of fuel injectors (106) to an internal combustion engine (100). Each fuel injector forms a neck region (212), and each clamp surrounds ea...
04/27/2010
7409927Method and device for cooling an internal combustion engine
The invention relates to a method and a device for cooling an internal combustion engine. An aqueous, non-ionic coolant composition is used in a cooling circuit (14) of the internal combustion engine (11). In order to also ensure long-lasting protectio...
08/12/2008
7367293Four-stroke engine
A four-stroke engine includes a cylinder block, a cylinder head mounted on the cylinder block, multiple cooling fins formed on the cylinder block and the cylinder head, a combustion chamber and an intake port and exhaust port formed in the cylinder head and in commu...
05/06/2008
7337755Cylinder head cooling structure for an internal combustion engine, including an oil temperature sensor and an oil temperature control system
A cylinder head cooling structure and an oil temperature control system are provided for an internal combustion engine having a plurality of cylinders, each having a plurality of intake ports and a plurality of exhaust ports. The engine includes cooling oil jackets ...
03/04/2008
7316208Generator cooling system of engine
The present invention provides a generator cooling system of an engine which can supply sufficient cooling oil to a generator even during low speed operation, without complicating an oil passage formed within a wall of a crankcase. In the generator cooling system of...
01/08/2008
7314115Lubricating system for internal combustion engine
A lubricating system for an internal combustion engine includes a recovery pump by which a lubricating oil dropping to and dwelling in a bottom portion of a crankcase after lubricating individual portions of the internal combustion engine is sucked through a pump su...
01/01/2008
7291830Light pipe, system and method for measuring light attenuation
A light pipe, a system and a method measure light attenuation from an optical fiber connected to a light source. The optical fiber transmits light from the light source to a light detector to determine a distance between the optical fiber and the light detector. The...
11/06/2007
7234433Cylinder 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 having a continuous flange or boss projecting into the cylinder block. The...
06/26/2007
7219643Internal combustion engine having an improved oil cooling structure, and personal watercraft incorporating same
The use of an oil cooler in an internal combustion engine for a personal watercraft is controlled, whereby excessive cooling of the engine during warmup with cold water operation is avoided, and dilution of oil is substantially prevented. The internal combustion eng...
05/22/2007
7216612Internal 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
7191871Lubricating device for engine
A sub-gallery for leading oil to a cylinder head side of an engine is provided in a crankcase in such a manner as to be connected to an outlet of an oil filter and in parallel with a main gallery. A lubricating device is also provided to equally feed oil to each of ...
03/20/2007
7125499Liquid 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
7055485Monoblock internal combustion engine
An internal combustion engine includes a cylinder block journaling a crankshaft driven to rotate by a reciprocal piston, and a cylinder head having intake and exhaust passages for delivering a combustible fuel-air mixture to drive the piston and for exhausting the c...
06/06/2006
7008175Radiator cooling fan replacement to increase engine efficiency
The radiator cooling fan replacement to increase engine efficiency is a multi-stage centrifugal air pump supercharger that replaces the radiator fan while at the same time increases air density of its output air. The centrifugal air pump comprises a number of radial...
03/07/2006
7004232Oil cooling oil tank
An oil cooling apparatus having at least two sides. Extending from a first side and integral therewith is a first scoop defining a first duct. Extending from a second side and integral therewith is a second scoop defining a second duct. Within the first and second d...
02/28/2006
6999316Liquid cooling system
A liquid cooling system and apparatus is presented. A two-piece embodiment is presented. The first component is a heat transfer unit capable of engaging a processor and adapted to transfer heat from the processor to a liquid thereby generating heated liquid. The hea...
02/14/2006
6953019Oil Filter assembly for an internal combustion engine
An oil filter assembly includes a filter housing, an oil filter unit, and a drain valve unit. The filter housing is provided with an oil inflow passageway through which oil is supplied into the filter housing from an oil pan, an oil exhaust passageway communicating ...
10/11/2005
6938605Oil cooling system to provide enhanced thermal control for combustion engines
An oil cooling system to provide enhanced thermal control for internal combustion engines wherein the oil cooling system of the present invention works in conjunction with the standard oil lubrication circuit and typical liquid coolant system of an engine to maintai...
09/06/2005
6810661Method and system for freeze protecting liquid NOx reductants for vehicle application
A method and system for freeze protecting liquid NOx reductants, preferably used in vehicle applications, wherein a liquid NOx reductant, carried onboard a vehicle exposed to cold weather conditions, is heated by existing thermal energy generat...
11/02/2004
6688383Cooling a control device of the gearbox of a motor vehicle
A method of adjusting an operating temperature of a control device (2) of a motor vehicle automatic transmission. The transmission control has a hydraulic unit (3) and an electronic unit (4) with electronic modules. The control device (3)is situated in a ...
02/10/2004
6689289Synergistic combinations of carboxylates for use as freezing point depressants and corrosion inhibitors in heat transfer fluids
An aqueous fluid composition having a C1 -C2 carboxylic acid salt and a C3 -C5 carboxylic acid salt is used as a heat transfer fluid that provides improved heat transfer properties and improved corrosion protect...
02/10/2004
6659051Oil-cooled engine assembly
An oil-cooled engine assembly is provided for cooling lubricating oil, which has lubricated movable parts of an engine and subsequently recirculating cooled lubricating oil to the movable parts. The engine assembly includes a lubricating oil pump containe...
12/09/2003
6575123Cooling system of multicylinder engine
Formed in a cylinder block of a multi-cylinder engine are oil grooves each arranged in a top deck of the cylinder block to surround a corresponding cylinder liner, a supply channel connected to an oil pump, a return channel connected to an oil pan, commun...
06/10/2003
6427640System and method for heating vehicle fluids
A system 10 which utilizes engine coolant to selectively heat and cool fluid or oil used by another vehicle system, such as a transmission 14. System 10 includes a first cooling path or circuit 28 having a fluid-to-fluid heat exchanger 18 which is fluidly...
08/06/2002
6340006Internal combustion engines having separated cooling circuits for the cylinder head and the engine block
A cooling system for an internal combustion engine includes a first circuit for cooling the cylinder head and a second circuit for cooling the engine block which are completely separated from each other and make use of a first fluid and a second fluid whi...
01/22/2002
6230669Hermetically-sealed engine cooling system and related method of cooling
In a heat transfer system (10), an upper coolant chamber (31) and a lower coolant chamber (24) of a typical engine, such as an internal combustion engine, fuel cell, boiler, or other engine for converting fuel to thermal energy, are formed adjacent to the...
05/15/2001
6101988Hermetically-sealed engine cooling system and related method of cooling
In an engine cooling system, an upper coolant chamber and a lower coolant chamber of a typical engine, such as an internal combustion engine or fuel cell, are formed adjacent to the heat-rejecting components of the engine and are hermetically sealed to pr...
08/15/2000
6053132Engine cooling system with temperature-controlled expansion chamber for maintaining a substantially anhydrous coolant
In an engine cooling system, an upper coolant chamber and a lower coolant chamber of a typical engine, such as an internal combustion engine or fuel cell, are formed adjacent to the heat-emitting components of the engine, and a substantially anhydrous, bo...
04/25/2000
5960872Device for stabilizing the temperature of the transmission oil of a motor vehicle
In order to control the temperature of the transmission oil of a motor vehicle driven by a liquid-cooled engine, a coolant/transmission oil heat exchanger is provided. The coolant stream supplied to the heat exchanger is miscible in a thermostatic valve f...
10/05/1999
5917418System for confirming the position of an oil jet
The present invention relates to a system for confirming the position of an oil jet in diesel engines. The system includes a mounting means with a hole formed at the bottom end for receiving the nozzle end portion of the oil jet. At the top end of the mou...
06/29/1999
5868105Engine cooling system with temperature-controlled expansion chamber for maintaining a substantially anhydrous coolant, and related method of cooling
In an engine cooling system, an upper coolant chamber and a lower coolant chamber of a typical engine, such as an internal combustion engine or fuel cell, are formed adjacent to the heat-emitting components of the engine, and a substantially anhydrous, bo...
02/09/1999
5799626Methods for using styrene oil (as heat transfer fluid, hydraulic fluid, lubricant)
Methods of using styrene oil, its fractions, and combinations thereof as working fluids, lubricants, fuels and solvents....
09/01/1998
5555856Oil-cooled reciprocating internal combustion engine
An oil-cooled or oil-air-cooled reciprocating internal combustion engine having a cylinder crankcase provided with oil fittings which are manufacturable at a low cost and are accessible for servicing, adjustment and replacement from the exterior of the en...
09/17/1996
5483928Liquid cooled internal combustion engine
An internal combustion engine which each cylinder has a cylinder cooling space and each cylinder head has a head cooling space, the individual cylinder cooling spaces being connected in series, the individual head cooling spaces being connected in series ...
01/16/1996
5333575Internal combustion engine using lubricating oil for effective and uniform cooling
An internal combustion engine which employs lubricating oil as part of the cooling system. A sleeve forms the cylinder wall and is completely surrounded by a jacket space formed by a wall exposed to the atmosphere, including air circulated by the engine's...
08/02/1994
5239949Cooling jacket and thermal insulation for an internal-combustion engine
An internal combustion comprises a cooling circuit of the cylinder heat and cylinder in the region of the upper dead center of the piston and cooling solely by oil injection into the cylinder in the lower region of the cylinder. The cooling circuit consis...
08/31/1993
5190003Cylinder block for an internal combustion engine
A cylinder block for an internal combustion engine consists of an upper section containing cylinders and cooling chambers and a lower section having an upwardly facing opening to receive the upper section so as to form an annular oil compartment surroundi...
03/02/1993
5065707Oil-cooled cylinder head
A four-stroke internal combustion engine is designed so that combustion takes place in a central zone surrounded by an insulating layer of excess air. The air layer inhibits heat transfer thereby making it unnecessary to externally cool the portion of the...
11/19/1991
5031580Oil lubricating and cooling system for engines
An engine unit is equipped with a cylinder head and a crank case in which an oil feed pump and a scavenge pump are disposed. A lubricating and cooling system for the engine unit comprises an oil tank constituted by a hollow main tube, a hollow down tube, ...
07/16/1991
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