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| Number | Title | Issue Date |
| 7367291 | Locomotive apparatus In a railroad locomotive for operation in low ambient temperature conditions with the locomotive having an engine which includes a cooling system using a coolant liquid, a coolant liquid containment system is provided and includes a containment tank, an inlet port i... | 05/06/2008 |
| 7367293 | Four-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 |
| 7308870 | Coolant distributing means for an internal combustion engine A cooling system for an internal combustion engine in which bubbles are not transferred to the water pump, and thereby the efficiency of the water pump is maintained. The interior of a water outlet mounted on a cylinder head is divided by a partition wall to form a ... | 12/18/2007 |
| 7207188 | Heat pump system A heat pump system (10) including a heat generator (15), a heat engine (26) supplied with heat engine working fluid (18) by the heat generator (15) having a heat engine cylinder chamber (34), a heat engine piston (32)... | 04/24/2007 |
| 7168516 | Air cleaner device in vehicle An air cleaner device for a vehicle is provided with an air cleaner body containing an air cleaner element and a snorkel connected to the air cleaner body to introduce the outside air into the air cleaner body. The snorkel extends forward of the vehicle past a side ... | 01/30/2007 |
| 7069883 | Monitoring of closed circuit liquid cooling systems particularly in internal combustion engines Early stage detection of engine liquid cooling problems is provided with temperature, pressure and other sensors and associated logic circuits configured for detecting alarm conditions including below normal static coolant pressure coupled with an elevated coolant t... | 07/04/2006 |
| 7036466 | Thermal management system and method for vehicle electrochemical engine A thermal management system of an electrochemical engine comprises a radiator provided with a wicking mechanism, a coolant pump fluidly connected to the radiator, a water tank, and a water pump. The water tank is located in the void spaces around fuel storage tanks,... | 05/02/2006 |
| 7028763 | Cooling arrangement and method with selected surfaces configured to inhibit changes in boiling state Heat transfer in coolant circuits, as in an internal combustion engine for example, can be beneficially enhanced by maintaining the coolant in a nucleate boiling state, but undesirable transitions to a film boiling state are then possible. The disclosed coolant circ... | 04/18/2006 |
| 7013871 | Closed loop MBT timing control using ionization feedback This feature of the present invention comprises a closed loop which uses estimated MBT timing criteria and ignition diagnostics (knock, partial-burn, and misfire) to control engine ignition. When the engine is not knock limited, it operates at its MBT timing. When t... | 03/21/2006 |
| 7000574 | Method of operating a cooling-and heating circuit of a motor vehicle, and a cooling-and heating circuit for a motor vehicle A method of operating a cooling and heating circuit of a motor vehicle driven by an internal combustion engine includes providing a first cooling medium path through a bypass conduit, a second cooling medium path through a main cooler of the internal combustion engi... | 02/21/2006 |
| 6968811 | Power tool having a combustion chamber and method of cooling the combustion chamber A power tool includes a combustion chamber (1; 54), a drive piston (8) adjoining the combustion chamber (1; 54) and displaceable upon combustion of fuel in the combustion chamber, an ignition device (52) for igniting the fuel in the combu... | 11/29/2005 |
| 6959670 | Engine system having opened water tank cover An engine device includes a water tank coupled to an engine to supply cooling water to the engine and having a mouth disposed in the upper portion. A separator housing is coupled between the water tank and the engine to receive heated water and vapor or air from the... | 11/01/2005 |
| 6866092 | Two-phase heat-transfer systems Various techniques are disclosed for improving airtight two-phase heat-transfer systems employing a fluid to transfer heat from a heat source to a heat sink while circulating around a fluid circuit, the maximum temperature of the heat sink not exceeding the maximum ... | 03/15/2005 |
| 5385123 | Segregated cooling chambers for aqueous reverse-flow engine cooling systems A reverse-flow cooling system for an internal combustion engine uses an aqueous, boilable liquid coolant, having a saturation temperature at least equal to water. The engine is provided with discrete combustion chamber and cylinder bore cooling chambers t... | 01/31/1995 |
| 5355846 | Cooling device for use in engine A cooling device is provided for use in an engine comprising, a first cooling circuit which is filled with first cooling water; a second cooling circuit which includes second cooling water and air; a water jacket of the engine disposed in the first coolin... | 10/18/1994 |
| 5333677 | Evacuated two-phase head-transfer systems Various techniques are disclosed for improving systems that include an evacuated, and in essence hermetically-sealed, fluid circuit containing a heat-transfer fluid which--while circulating, usually with the assistance of a pump, around the fluid circuit-... | 08/02/1994 |
| 5309870 | Method and apparatus for cooling a heat engine of widely variable power A cooling system for a motor vehicle engine includes a heat exchanger, ducting connecting the engine and the heat exchanger in a closed circuit, and a pump for circulating coolant fluid in the circuit. The heat exchanger is arranged to act as a condenser ... | 05/10/1994 |
| 5176112 | Evaporation-cooled internal combustion engine An evaporation-cooled internal combustion engine having a cooling system that can be pressurized and that includes a surge tank and a radiator. The surge tank (1) communicates through a line (2) with a section of the cooling system (3) that is constantly ... | 01/05/1993 |
| 5172657 | Evaporation cooled internal combustion engine An evaporation-cooled internal combustion engine, in which a cooling system, through which a coolant can flow, and to which pressure can be applied, is connected with an equalization container, where the equalization container is connected to a steam-fill... | 12/22/1992 |
| 5111777 | Evaporation cooling system for a liquid-cooled internal-combustion engine An evaporation cooling system for an internal-combustion engine controls venting through a valve as a function of the temperature. The escape of water vapor is prevented when the vent valve is not yet actuated.... | 05/12/1992 |
| 5092282 | Evaporation cooling system for an internal combustion engine In the embodiment disclosed in the specification an evaporation cooling system for an internal combustion engine heat exchanger avoids valves or the like by providing a liquid-vapor separator in the vapor line between the engine and the main condenser and... | 03/03/1992 |
| 5090371 | Evaporative cooling system The representative evaporative cooling system disclosed in the specification includes a cooling pump in a condensate line leading from a condenser to an internal combustion engine and a fan associated with the condenser, and has a turbine disposed in the ... | 02/25/1992 |
| 4979472 | Internal combustion engine having a hermetically sealed heat exchanger tube system Disclosed is a radiator located above an engine forming a hermetically sealed heat exchanger tube system. The engine can quickly heat up. The coolant circulates by an evaporitive - condensing cycle.... | 12/25/1990 |
| 4949903 | Passenger room heating system for use with boiling liquid engine cooling system In order to supply a heat exchanger of the passenger room heating system with sufficiently heated liquid coolant of the boiling liquid engine cooling system, the coolant inlet conduit of the heat exchanger is connected to a coolant jacket of the engine at... | 08/21/1990 |
| 4932365 | System for evaporation cooling of an internal combustion engine and for operation of a heating heat exchanger by the coolant In the typical cooling system described in the specification, an internal combustion engine has coolant conduits connected to a coolant circuit for cooling the engine and to a heater circuit for heating the vehicle. The coolant circuit includes a valve to... | 06/12/1990 |
| 4790882 | Flushing and recharging method for the cooling system of an automotive engine A flushing and recharging system for an automotive engine includes a tee branch inserted in the coolant return hose from the cylinder block of an engine to the radiator, and which is employed to flush and recharge the cooling system with coolant fluid, pr... | 12/13/1988 |
| 4788943 | Cooling system for automotive engine or the like The present invention provides an evaporative cooling system for an automotive engine or the like which system does not require a plurality of electromagnetic valves and conduits and which can control the boiling point to a level appropriate for the insta... | 12/06/1988 |
| 4782795 | Anti-knock system for automotive internal combustion engine An engine anti-knock control arrangement controls both the ignition timing system and an evaporative cooling system so that when the engine is operating in a predetermined engine speed and load zone and engine knock is detected, the cooling system is oper... | 11/08/1988 |
| 4768484 | Actively pressurized engine cooling system Method and apparatus are disclosed for an engine cooling system with the coolant fluid maintained in a state of nucleate boiling at a selected location in the coolant passages of the engine. The cooling system comprises a radiator and a coolant reservoir ... | 09/06/1988 |
| 4766852 | Cooling system for automotive engine or the like An evaporative cooling system features a reservoir which contains only sufficient coolant to fill the radiator when the engine is not in use and thus reduces the weight of the system. The remaining sections of the cooling circuit such as the upper section... | 08/30/1988 |
| 4735176 | Closed evaporative cooling system for an engine A closed evaporative cooling system for an engine includes a water jacket having an opening formed through an upper wall of said engine, a condenser having an upper tank, a bottom plate and condenser tubes, a seat formed around said upside opening for fix... | 04/05/1988 |
| 4722304 | Cooling system for automotive engine or the like In order to avoid the need to expose a coolant level control pump to hot and/or near boiling condensate the radiator is disposed at a level higher than the coolant jacket and gravity is used to return the condensate to the coolant jacket. A level sensor i... | 02/02/1988 |
| 4721071 | Cooling system for automotive engine or the like A reservoir in which coolant is stored, is fluidly interposed between the downstream end of the condensor in which coolant vapor from the engine coolant jacket is condensed, and a coolant return pump which is responsive to a level sensor disposed in the c... | 01/26/1988 |
| 4696261 | Coolant level sensor arrangement in boiling liquid cooling system In order to accurately detect the coolant level in the coolant jacket of a cylinder head, a separate chamber member is mounted to the cylinder head and fluidly communicated with the coolant jacket of the cylinder head in a manner to contain therein the co... | 09/29/1987 |
| 4694784 | Cooling system for automotive engine or the like In order to prevent wasteful cooling fan energization when the radiator or condensor of an evaporative type cooling system is partially filled in a manner which hinders heat exchange promotion and defeats any merit derived by operating a fan at full power... | 09/22/1987 |
| 4686942 | Cooling system for automotive engine or the like In order to prevent large amounts of liquid coolant from boiling over from a coolant jacket of an evaporative cooling system wherein coolant vapor is used as a vehicle for removing heat from the engine to the condenser in which the coolant vapor is conden... | 08/18/1987 |
| 4681179 | Cooling system for use in cab-over type vehicles In order to increase cabin space and simultaneously increase the amount of engine cooling which can be effected by natural air drafts which occur during forward running of the vehicle, the engine radiator is disposed on a forward portion of the vehicle ro... | 07/21/1987 |
| 4677942 | Cooling system for automotive engine or the like In an internal combustion engine cooling system wherein the coolant is boiled and the vapor produced condensed in a radiator in a manner that the rate of condensation under light engine load is maintained at a level sufficiently low to raise the pressure ... | 07/07/1987 |
| 4669426 | Cooling system for automotive engine or the like In order to diagnose a malfunction an evaporative cooling system upon the engine being initially started or in response to a demand for engine operation (e.g. cranking of the engine) the outputs of a sensor or sensors are monitored and diagnostic check of... | 06/02/1987 |
| 4667626 | Cooling system for automotive engine or the like In order to avoid the need to provide auxiliary pumps and the like to obviate cavitation problems in the coolant return pump and the coolant jacket of an evaporative cooling type engine cooling system, a heater circulation pump which circulates heated coo... | 05/26/1987 |
