| Entries |
| Document | Title | Date |
|---|
| 20080202450 | Device for Uncoupling the Oil Flow Through a Radiator - A bypass valve for blocking oil flow through a radiator from a transmission with low oil temperatures includes an oil supply from the radiator, an oil supply, via a bypass line, an oil outlet and a valve unit arranged inside the valve housing. The valve unit includes a compression spring and a heat sensitive element, which move depending on the oil temperature such that when the temperature falls below a threshold value, the oil supply from the radiator is closed and the supply, via a bypass line, is opened. When the oil temperature rises above the threshold value, the oil supply from the radiator is opened and the supply, via the bypass line, is closed. The valve unit can be axially moved against the force of the compression spring, when a predefined oil pressure is reached, thus opening the supply, via the bypass line. | 08-28-2008 |
| 20080216775 | Automotive Coolant Pump Apparatus - An automotive coolant pump has movable vanes, which are adjustable as to their orientation in accordance with the temperature of the coolant, whereby the rate of coolant flow through the pump impeller accords with coolant temperature. A thermal-actuator is operated by a thermal-sensor, and serves to rotate a vanes-drive-ring to cause the vanes to change orientation in unison. The cooling system includes a bypass-port, which is open during warmup and closed once coolant has acquired working temperatures; the same thermal-actuator serves also to operate the bypass-port-blocker. Additionally, the same thermal-actuator may serve also to operate a radiator-port-blocker, which serves to block flow through the radiator during engine warmup. The vanes may be arranged to close completely together, and to be sealed at closure. Sealing is effected e.g by elastomeric sealing elements arranged on the appropriate surfaces of the vanes. The vanes lie sandwiched between top and bottom plates, which press the vanes with a small resilient force. The plates and vanes, together with a retainer, form a pre-assembly module. The vanes also are profiled to maximise efficiency over the range of orientations and conditions. | 09-11-2008 |
| 20080223316 | ENGINE THERMOSTAT HAVING BYPASS PRESSURE-DAMPENING FLUID PASSAGE - A thermostat assembly ( | 09-18-2008 |
| 20080251038 | Body and Front Axle Bearing for a Motor Vehicle - A motor vehicle chassis and a water-cooled internal combustion engine attached thereto has a cooling system comprising coolant-conducting pipes least one radiator element, and a coolant pump produces forced flow in the cooling circuit. A portion of the cooling pipe system as a distributor pipe module is attached to the vehicle's axle support. | 10-16-2008 |
| 20080276886 | INTERNAL COMBUSTION ENGINE COOLING SYSTEM - An engine cooling system has an engine water jacket, a coolant circulation passage connecting a water jacket outlet to a water jacket inlet and a radiator disposed in the coolant circulation passage. A thermostat valve selectively closes and opens the coolant circulation passage leading to the radiator. A bypass passage extends from between the water jacket outlet and the thermostat valve to an outlet side of the radiator. A bridge passage connects a portion of the bypass passage to a portion of the coolant circulation passage located downstream of the radiator and upstream of where the bypass passage merges therewith. A resistance generating section is located downstream of the bridge passage connection to the coolant circulation passage and upstream of the bypass passage connection to the coolant circulation passage. The bridge passage has an oil heat exchanger to exchange heat between the cooling medium and transmission oil passing therethrough. | 11-13-2008 |
| 20090020079 | CIRCULATION SYSTEM, MIXING ELEMENT - The invention relates to a circulation system with at least one first partial flow which can flow through a first heat exchanger and a second partial flow of a first medium. According to the invention, said system comprise also at least one second heat exchanger, in particular a charge air cooler, which can be penetrated by a first media flow, and at least one adjustable mixing element which can be penetrated, on the inflow side, by a first partial flow and/or a second partial flow and, on the outflow side, generates the media flow with a target temperature. | 01-22-2009 |
| 20090038562 | COOLING SYSTEM FOR A VEHICLE - Disclosed is a cooling system for a vehicle, in which coolant coolant, a blend of an antifreezing solution and water flowed into a radiator generates turbulent flow when a vehicle is in a state of a critical driving mode of a vehicle for example, a hill-climbing mode, thereby enhancing heat radiating performance and reducing pressure drop amount at the same time. | 02-12-2009 |
| 20090114169 | THERMOSTAT VALVE - A thermostatted valve used in an internal combustion engine and comprising a housing fitted with at least three ports, namely an engine port to communicate with the engine cooling system, a radiator port to communicate with the radiator, and a bypass port to communicate with a bypass, further comprising a hollow, spherical valve element supported pivotably about a pivot axis within the housing between two end positions, said valve element being fitted with at least two apertures of which one permanently communicates with the engine port and the other is situated in a plane substantially perpendicular to said pivot axis, further comprising a temperature sensor controlled valve element drive, characterized in that the axes of all ports are configured in planes that are approximately perpendicular to the pivot axis of the valve element in that the valve element is approximately a spherical segment or a laminar sphere of which the open side communicates permanently with the engine port, further that the valve element is fitted with at least one feedthrough which in one of the end positions of said valve element is disconnected from the radiator port while in the other end position it faces this radiator port, in that an approximately spherical sealing system is configured in the zone of the radiator port and in that said drive acts on the valve element) excentrically relative to the pivot axis. | 05-07-2009 |
| 20090126656 | METHOD AND DEVICE FOR REGULATING THE TEMPERATURE OF AN INTERNAL COMBUSTION ENGINE - A method and device for regulating engine temperature. The device includes a valve control system arranged on a pipe of a cooling circuit of an internal combustion engine connecting the engine to a radiator. The pipe includes a temperature sensor arranged at the engine output and upstream of the valve control system that is automatically opened under effect of a cooling liquid being heated to a set temperature in accordance with a predetermined setpoint profile, ranging between a minimum stored temperature setpoint and a maximum stored temperature setpoint, so that the temperature of the engine gradually reaches the minimum or maximum setpoint by maintaining the control valve system more or less wide open. A controller controls the initial opening of the control valve system enabling the opening of the control valve system to be controlled when the control valve system has already been initially opened. | 05-21-2009 |
| 20090145374 | TEMPERATURE RESPONSIVE FLOW CONTROL VALVE FOR AN ENGINE COOLING SYSTEM - A temperature responsive control valve is disclosed. The valve may have a housing having a hot inlet, a cold inlet and an outlet. A first valve member, and a second valve member, may be configured to move within the housing to selectively prevent and permit flow from the hot inlet and the cold inlet to the outlet when a sensed temperature is within predetermined ranges. A temperature responsive actuator may be disposed to move the first and second valve members within the housing in accordance with the sensed temperature. A first bias may be configured to bias the first valve member toward preventing flow from the hot inlet to the outlet, and a second bias may be configured to bias the second valve member toward preventing flow from the cold inlet to the outlet. | 06-11-2009 |
| 20090183696 | LIQUID COOLING SYSTEM FOR INTERNAL COMBUSTION ENGINE - A liquid cooling system for an internal combustion engine includes a coolant pump, an air-to-liquid heat exchanger, and a bypass loop for allowing coolant to circulate from the coolant pump to the engine without passing through the heat exchanger. A thermostatic valve mounted within a thermostat housing and including a temperature-responsive primary valve element and bypass flow control will control the flow of coolant with a spring-loaded valve disc having a conical, annular sealing surface configured for linear contact with the valve seat. | 07-23-2009 |
| 20090241862 | SNOWMOBILE COOLING SYSTEM - A snowmobile is disclosed having a frame. A tunnel is formed in a rearward portion of the frame. An engine disposed on the frame. A drive track is disposed at least in part in the tunnel and is operatively connected to the engine for propulsion of the snowmobile. At least one ski is operatively connected to the frame at least in part forwardly of the drive track. A straddle seat is disposed on the frame at least in part above the drive track. A steering device is operatively connected to the at least one ski for steering the snowmobile. A radiator is disposed between the tunnel and the track. The radiator has a first side facing the track and a second side facing the tunnel. The second side is generally opposite the first side. At least a portion of the second side is spaced apart from the tunnel. | 10-01-2009 |
| 20090241863 | CONTROL METHOD OF ENGINE RAPID WARM-UP SYSTEM - An engine rapid warm-up system includes cooling water circulating through an engine | 10-01-2009 |
| 20090241864 | COOLING SYSTEM OF INTERNAL COMBUSTION ENGINE - A cooling system includes: an oil pump for supplying oil under pressure; a cylinder head forming part of a combustion chamber; a cooling portion formed in the cylinder head and adapted to allow circulating oil to cool heat transmitted from the combustion chamber; an oil cooler for cooling oil; and a thermostat for switching between an oil passage routed through the oil cooler and a bypass passage bypassing the oil cooler. The thermostat is disposed in an oil passage between the oil pump and the cooling portion. | 10-01-2009 |
| 20090255488 | Cooling device for engine - A cooling device for an engine that can raise the temperature of cooling water within a short period of time during the warm-up operation and allows a simple structure. The cooling device has a radiator circulation flow channel for circulation via an engine, a radiator, and a thermostat; a heater circulation flow channel for circulation via the engine, a heater core, and the thermostat; a bypass circulation flow channel for circulation via the engine and the thermostat; an electronically controlled valve; and a pump. The radiator circulation flow channel, heater circulation flow channel, and bypass circulation flow channel merge in the thermostat and form a common flow channel between the thermostat and the engine. The pump is provided in the common flow channel. At the start of the warm-up period and during the warm-up operation, the circulation in the radiator circulation flow channel is substantially stopped by the thermostat, cooling water circulation is actuated in the bypass circulation flow channel, and an opening degree of the electronically controlled valve is gradually increased from a minimum as the cooling water temperature rises. At the end of the warm-up period, circulation is actuated in the radiator circulation flow channel and substantially stopped in the bypass circulation flow channel. | 10-15-2009 |
| 20090266311 | HEAT EXCHANGER WITH INTEGRAL THERMOSTATS - A system for cooling an engine is described. The system includes, a heat exchanger, the heat exchanger having a first heat exchange portion that removes heat energy from coolant fluid flowing therein, and a second heat exchange portion that removes heat energy from coolant fluid flowing therein; a first thermostat integral to the heat exchanger, the first thermostat fluidically and mechanically coupled to at least one of the first and second heat exchange portions; and a second thermostat, integral to the heat exchanger, the second thermostat fluidically and mechanically coupled to at least one of the first and second heat exchange portions. | 10-29-2009 |
| 20090277401 | COOLING SYSTEM - A cooling system for an engine is divided into an inner circuit and an outer circuit, said inner circuit including a radiator, a cooling pump, a thermostat housing, an ejector pump, cooling channels arranged inside the engine and ducting connecting said components. The ejector pump is arranged to draw coolant from the outer system and deliver it to the inner system. The outer system includes an expansion tank, ducting interconnecting the expansion tank and the ejector pump and ducting interconnecting the inner circuit and the expansion tank. A one-way valve is placed in the ducting interconnecting the expansion tank and the inner circuit. | 11-12-2009 |
| 20090283060 | Thermal Energy Management System for a Vehicle Heat Engine Provided with a Time-Delay Switching Means - The inventive management system comprises a high-temperature circuit ( | 11-19-2009 |
| 20090301408 | METHOD AND DEVICE FOR CONTROLLING THE INITIAL OPENING OF A THERMOSTAT REGULATING THE TEMPERATURE OF AN INTERNAL COMBUSTION ENGINE - A device for controlling opening of a cooling circuit control valve system of an internal combustion engine, containing a coolant, which is automatically opened under effect of a cooling liquid being heated to a standard temperature. The control performs an early controlled opening of the control valve system of a cooling circuit located upstream of a heat exchanger before the temperature of the cooling liquid reaches a set temperature value for activating the opening of the control valve system, which is itself lower than the standard temperature, the controlled opening being performed only when the control valve system is first opened. | 12-10-2009 |
| 20090301409 | ENGINE COOLING SYSTEM - An engine cooling system in which a coolant flows through a coolant circuit includes: a pump for circulating coolant under pressure through the coolant circuit; a radiator provided in the coolant circuit, wherein the radiator cools coolant passing through the coolant circuit; a by-pass conduit, wherein the by-pass conduit allows coolant to by-pass the radiator, a flow control valve, which regulates the flow rate of coolant flowing through the radiator and the by-pass conduit; and a controller, wherein the controller controls the flow control valve in response to input signals from at least one pressure sensor and at least one temperature sensor in the coolant circuit. The flow control valve includes a first controllable valve located upstream of the radiator and downstream of the by-pass conduit, and a second controllable valve located in the by-pass conduit. | 12-10-2009 |
| 20090308335 | Vehicle Cooling System with Directed Flows - A cooling system for internal combustion engines provides directed flows of heated or cooled coolant to various engine components and/or accessories as needed. By providing directed flows, the overall coolant flow volume is reduced from that of conventional cooling systems, allowing for a smaller capacity water pump to be employed which results in a net energy savings for the engine. Further, by reducing the overall coolant flow volume, the hoses and/or galleries required for the directed flows are reduced from those of conventional cooling systems, providing a cost savings and a weight savings. Finally, by preferably employing an impellor type water pump, the expense of an electric water pump and its associated control circuitry can be avoided. The direct flows are established by a multifunction valve which, in a preferred implementation, comprises a two-plate valve wherein each plate is operated by a wax motor. | 12-17-2009 |
| 20100012054 | COOLING CIRCUIT FOR THE THERMAL ENGINE OFAN AUTOMOTIVE VEHICLE - A cooling circuit for the thermal engine of an automotive vehicle includes a main loop that includes a first exchanger for collecting the heat from a first heat source, a first radiator and a pump connected in series by ducts for the circulation of a cooling liquid, the temperature of the cooling liquid being kept under normal operation conditions at a temperature lower than or equal to a predetermined threshold value. The cooling circuit includes a first bypass of the main loop in parallel relative to said first radiator, the first bypass including sequentially, in the circulation direction of the cooling liquid, a second exchanger for collecting the heat from a second heat source and a second radiator connected in series by ducts for the circulation of the cooling liquid, the temperature of said cooling liquid at the outlet of said second exchanger being set, under normal operation conditions, at a temperature higher than or equal to the predetermined threshold value. | 01-21-2010 |
| 20100050960 | COOLING APPARATUS FOR INTERNAL COMBUSTION ENGINE, METHOD OF CONTROLLING THE SAME, AND HYBRID VEHICLE INCLUDING THE SAME - A cooling apparatus for an internal combustion engine includes an engine cooling system that includes a water jacket, a radiator, and a circulation passage through which a coolant is circulated between the water jacket and the radiator, wherein the coolant is provided in the engine cooling system; a water pump that forcibly circulates the coolant provided in the engine cooling system when the water pump is operated; a reservoir tank in which the coolant is reserved, and into which gas flows from the engine cooling system while the reserved coolant flows out to the engine cooling system from the reservoir tank; and a forcible introduction portion that forcibly introduces the coolant from the reservoir tank into the engine cooling system before the internal combustion engine is started. | 03-04-2010 |
| 20100058999 | COOLING SYSTEM FOR A VEHICLE SUBSYSTEM AND A VEHICLE INCORPORATING SUCH A SYSTEM - In a system for cooling transmission oil in a vehicle with a hydraulic oil cooling circuit | 03-11-2010 |
| 20100083916 | COOLING APPARATUS AND COOLING METHOD FOR INTERNAL COMBUSTION ENGINE - A cooling apparatus includes an electric water pump that circulates a coolant, a radiator that radiates heat of the coolant, an electric fan that cools the radiator, a control device, and first flow rate correction means. The control device controls the discharge flow rate of the electric water pump based on a target flow rate set based on an amount of heat generated in an engine, and controls operation of the electric fan based on a coolant temperature. When the coolant temperature is equal to or higher than a fan operation temperature at which the operation of the electric fan is started, the first flow rate correction means increases the discharge flow rate of the electric water pump in accordance with an increase in the coolant temperature. | 04-08-2010 |
| 20100095908 | Multi-thermostat engine cooling system - A cooling system for an engine is disclosed. The cooling system may have a pump driven by the engine to pressurize coolant, a single heat exchanger configured to cool pressurized coolant, and an aftercooler configured to transfer heat from air entering the engine to pressurized coolant. The cooling system may also have a multi-thermostat arrangement configured to always direct at least a portion of the pressurized coolant from the pump through the aftercooler, and selectively direct pressurized coolant from the pump through the single heat exchanger. The multi-thermostat arrangement may also be configured to selectively mix pressurized coolant from the aftercooler with a remaining portion of the pressurized coolant from the pump to form a coolant mixture, and to selectively direct the coolant mixture through the engine or around the engine. | 04-22-2010 |
| 20100116228 | ABNORMALITY DIAGNOSIS APPARATUS FOR COOLING SYSTEM OF VEHICLE - A coolant circuit circulates coolant between an internal combustion engine and a radiator of a vehicle and is provided with a thermostat. A control unit obtains radiator side released heat amount information, which indicates the amount of heat released from coolant through the radiator or information relevant to the amount of heat released from the coolant through the radiator. The control unit determines whether a thermostat open state abnormality exists by determining whether a predetermined thermostat abnormal time correlation exists between the radiator side released heat amount information and a vehicle speed of the vehicle in a warm-up incomplete temperature range of the coolant. | 05-13-2010 |
| 20100122670 | Fluid circuit of engine - A fluid circuit of an engine fitted with a cooling circuit and an oil circuit, may include a water pump mounted on a coolant circulation line, a radiator that connected to a coolant exhaust line of the engine, a water temperature governor selectively connecting the radiator with the water pump to control a coolant flow therebetween, a first cooling line connecting the coolant exhaust line with a subsidiary unit, a first return line directly connecting the subsidiary unit with the water pump through the water temperature governor, a second cooling line connecting the first cooling line to a turbocharger to guide a part of a coolant supplied to the first cooling line to the turbocharger, and a second return line connecting the turbocharger with the first return line to guide a part of the coolant that is exhausted from the turbocharger to the first return line. | 05-20-2010 |
| 20100122671 | Cooling circuit of engine - A cooling circuit of an engine may include a water pump provided at a coolant circulation line, an engine provided with a water jacket forming a pathway through which a coolant supplied from the water pump passes, and having a coolant inflow line and a coolant exhaust line, a radiator connected to the coolant exhaust line, a thermostat selectively connecting the radiator with the water pump to control a coolant flow, a first cooling line connecting the coolant exhaust line to a heater, a first return line connecting the heater to the water pump through the thermostat, a second cooling line connecting the coolant exhaust line to a throttle body, a third cooling line connecting the throttle body to an oil cooler, and a second return line connecting the oil cooler to the first return line to guide a coolant exhausted from the oil cooler to the first return line. | 05-20-2010 |
| 20100132636 | FLAME PROOF POWER PACK - A power pack has an electrically controlled internal combustion engine which is provided with a turbo charger which is immersed in liquid coolant to reduce the risk of a spark therefrom igniting combustible gas in the ambient atmosphere. | 06-03-2010 |
| 20100154729 | Systems and methods for controlling engine temperature - A system for controlling temperature associated with an engine is provided. The system includes a first fluid circulating system, including a first fluid pump and a heat exchanger. The engine, the first fluid pump, and the heat exchanger are in flow communication. The system also includes an electric power source. The system further includes a second fluid circulating system, including a second fluid pump and a heating element. The engine, the second fluid pump, the heat exchanger, and the heating element are in selective flow communication. The system further includes a sensor associated with the engine, the sensor configured to sense at least one parameter and to generate a signal indicative of the at least one parameter. Moreover, the system includes a controller configured to control operation of the second fluid circulating system in response to the signal, and to control the heating and cooling of the engine. | 06-24-2010 |
| 20100186684 | COOLING SYSTEM FOR INTERNAL COMBUSTION ENGINE - A cooling system for cooling an internal combustion engine includes a first portion, a second portion and a bypass valve. The first portion forms a first fluid chamber through which a cooling medium passes as it flows from the engine to a heater that utilizes heat generated by the internal combustion engine. The second portion forms a second fluid chamber through which the cooling medium passes as it flows from the heater to the engine. The second fluid chamber is arranged adjacent to the first fluid chamber. The bypass valve is arranged inside the first fluid chamber and the second fluid chamber to form a bypass flow passage connecting the first fluid chamber and the second fluid chamber. The bypass valve is configured and arranged to automatically close the bypass flow passage when a temperature of the cooling medium is equal to or higher than a first prescribed temperature. | 07-29-2010 |
| 20100251977 | Cooling System For Variable Cylinder Engines - A cooling system for variable cylinder engines is is designed to most efficiently cool engine during engine full displacement operation and to heat inactive cylinders and cool active cylinders during engine reduced displacement operation. By heating inactive cylinders, the fuel efficiency during reactivation is improved and the optimal operation of the catalytic converter may be maintained. | 10-07-2010 |
| 20110005474 | Engine Cooling System for a Vehicle - An engine cooling system for a vehicle, and method of operation, includes both an engine driven main coolant pump that may be disengaged by a clutch and an electrically driven auxiliary coolant pump, where each can be used separately or they can be used together to control the amount of coolant flow through the engine cooling system. | 01-13-2011 |
| 20110023796 | Adaptive EGR Cooling System - A first loop contains engine coolant passageways ( | 02-03-2011 |
| 20110100307 | COOLING SYSTEMS - A cooling system for a vehicle having an internal combustion engine permits rapid warm-up of the engine by the use of two electrically-operated valves in addition to a conventional thermostat. A bypass valve and a heater valve both remain closed at low coolant temperatures and engine speeds, thereby inhibiting coolant flow through the engine. A control unit opens the bypass valve to prevent cavitation in the water pump if engine speed and/or load exceeds a certain value. The heater valve is opened when a threshold engine coolant temperature is reached permitting warming of the heater matrix. | 05-05-2011 |
| 20110107983 | COOLING SYSTEM FOR INTERNAL COMBUSTION ENGINES - A cooling system is provided for an internal combustion engine that includes, but is not limited to an engine coolant circuit having a coolant inlet and a coolant outlet, a radiator having an inlet and an outlet, a first pipeline for hydraulically connecting the radiator outlet and the engine coolant inlet, a second pipeline for hydraulically connecting the engine coolant outlet to the radiator inlet, a coolant pump located in the first pipeline for moving a coolant towards the engine coolant inlet, a thermostatic valve located in the first pipeline between the primary pump and the radiator outlet, for closing or at least partially opening the passageway, a bypass pipeline for hydraulically connecting an intermediate point of the second pipeline to an intermediate point of the first pipeline, the latter being located between the thermostatic valve and the radiator outlet, an exhaust gas recirculation cooler located in the bypass pipeline, an auxiliary coolant pump located in the bypass pipeline, and a controlling for controlling the auxiliary coolant pump. | 05-12-2011 |
| 20110120394 | COOLING SYSTEM FOR ENGINE - A cooling system includes a cooling portion for flowing a coolant therethrough, a coolant sensitive sensor portion detecting a temperature of the coolant, a heat exchanging device using a heat of the coolant, a circulation flow varying device for varying a circulation flow, a circulation path for flowing the coolant therethrough, and a controller for regulating the circulation flow by controlling the circulation flow varying device while referring to the temperature of the coolant upon a receipt of a request for a requested flow from the heat exchanging device. The controller determines a condition for warming-up when the warming-up of the engine is performed in accordance with the temperature of the coolant, controls the circulation flow varying device for warming-up the engine without circulating the coolant, and increases the circulation flow to the requested flow for a predetermined period of time when the requested flow is requested during the warming-up. | 05-26-2011 |
| 20110126782 | THERMOSTATIC CONTROL OF VEHICLE HEATER COOLANT CIRCUIT TO MAXIMIZE CABIN HEATER PERFORMANCE - A coolant circulation system for an internal combustion engine includes an exhaust gas recirculation system coolant circuit and a cabin heating circuit. The exhaust gas recirculation system coolant circuit includes a heat exchanger to extract heat from exhaust gases into the engine coolant. The cabin heating circuit includes a heat exchanger for sinking heat into a vehicle cabin. An exhaust gas recirculation flow control valve controls the flow of exhaust gas flowing through the exhaust gas recirculation line and through the line heat exchanger. The exhaust gas recirculation flow control valve is closed when the engine is not warm enough. A heater control valve controls the flow of coolant through the cabin heating circuit. Opening and closing of the heater control valve is made responsive to direct or indirect indication of engine temperature in order to maintain engine temperature by restricting flow to the cabin heating circuit. This keeps the exhaust gas recirculation valve open which maximizes heat input to the coolant, which in turn maximizes heat available to warm a vehicle cabin. | 06-02-2011 |
| 20110126783 | Exhaust Heat Recovery System of Vehicle and Method Thereof - An exhaust heat recovery device may include a radiator disposed at a main line and through which hot coolant circulates, an exhaust heat exchanger transferring exhaust heat of an engine to coolant, a first valve selectively circulating the coolant to the main line or a bypass line, a water pump connected to the first valve and circulating the coolant, a coolant temperature sensor detecting temperature of the coolant, a second valve connected to the water pump and disposed at a distributing line to distribute the coolant supplied by the water pump to the engine and the exhaust heat exchanger, and a control portion that controls the first and second valves depending on the temperature of the coolant so as to adjust coolant amount circulating in the engine and the exhaust heat exchanger and coolant amount circulating in the radiator and the bypass line. | 06-02-2011 |
| 20110132291 | AUXILIARY PUMP SCHEME FOR A COOLING SYSTEM IN A HYBRID-ELECTRIC VEHICLE - Various systems and methods are described for a cooling system coupled to an engine in a vehicle. One example method comprises, during engine off, operating an auxiliary pump to flow coolant through a heater core; and, during engine running, operating an engine pump to flow coolant through the heater core and radiator, and selectively operating the auxiliary pump to assist flow through the heater core based on operating conditions. | 06-09-2011 |
| 20110162595 | HEAT MANAGEMENT MODULE OF THE COOLING SYSTEM OF AN INTERNAL COMBUSTION ENGINE - A heat management module of a cooling system of an internal combustion engine which has a valve housing that includes at least one first feed connection for cooling water of a bypass circuit and at least one adjacent second feed connection for cooling water of a radiator circuit. The feed connections can be connected to a discharge connection depending on the position of a valve member accommodated in the valve housing. A driving element which actuates the valve member is provided on the valve housing. The driving element is a hydrostatic servo motor, which produces a rotating driving motion and which uses a feed pressure line that branches from the cooling system for pressurization. | 07-07-2011 |
| 20110174243 | INTERNAL COMBUSTION ENGINE COOLING UNIT - A unit for cooling an internal combustion engine, including: a crankcase exchanger configured to allow for a flow of a crankcase coolant, a main radiator, an additional radiator, and a cooling circuit configured to convey the coolant between the exchanger of the crankcase and the radiators. The unit includes a burnt gas exchanger including a burnt gas pipe and a coolant pipe, the burnt gas exchanger configured to convey the coolant and to perform a heat exchange between the burnt gases and the coolant. In addition, the cooling circuit is configured to convey the coolant between the burnt gas exchanger and the main and additional radiators. | 07-21-2011 |
| 20110174244 | ACCESSORY DRIVE FOR A STOP/START VEHICLE - An engine with vacuum and coolant pumps is disclosed. In one example, the vacuum and coolant pumps are mechanically coupled together and driven by a single motor. The approach may reduce system cost and complexity. | 07-21-2011 |
| 20110214626 | COOLING APPARATUS FOR INTERNAL COMBUSTION ENGINE - A cooling apparatus for an internal combustion engine is provided in which a temperature detecting tip of a temperature sensor is arranged in a position where flow of a coolant is smooth, to thereby improve a measurement accuracy of coolant temperature. A thermoelement assembly | 09-08-2011 |
| 20110253074 | Locomotive Engine Emissions Control Suite - A locomotive diesel engine emissions control suite includes retarding fuel injection timing and heating the diesel fuel. Switch locomotives are now required to comply with USEPA emission standards under 40 CFR Part 1033 regulations. Retarding the fuel injection timing reduces peak temperatures during combustion which in turn reduces production of Nitrogen oxides (NOx) but also increases emissions of particulate matter (PM), Carbon Monoxide (CO), and Hydrocarbons (HC) in the exhaust. Unrelated efforts to reduce the smoke in diesel exhaust by pre-heating the diesel fuel showed an unexpected reduction in PM, CO, and HC. Such heating of the diesel fuel did not affect the reduction in NOx but reduced emissions of PM, CO, and HC to acceptable levels. Further experiments showed that two degrees of fuel injection retarding and fuel heated to 120 to 140 degrees Fahrenheit resulted in meeting the 40 CFR Part 1033 regulations. | 10-20-2011 |
| 20120024243 | Engine cooling apparatus - The present invention provides an engine cooling apparatus that is capable of suppressing cavitation in a high rotation region while achieving an increase in a circulation flow rate of cooling water in a low/medium rotation region. The engine cooling apparatus includes: a main cooling water circuit that circulates the cooling water between an engine and a radiator; a branch portion provided between the engine and the radiator; a thermostat; temperature detecting means; a first bypass flow passage; a second bypass flow passage that connects the engine to the branch portion; a control valve; a bypass convergence portion; a water pump; valve opening control means; and engine rotation speed detecting means. | 02-02-2012 |
| 20120103282 | MULTI-THERMOSTAT ENGINE COOLING SYSTEM - A cooling system for an engine is disclosed. The cooling system may have a pump driven by the engine to pressurize coolant, a single heat exchanger configured to cool pressurized coolant, and an aftercooler configured to transfer heat from air entering the engine to pressurized coolant. The cooling system may also have a multi-thermostat arrangement configured to always direct at least a portion of the pressurized coolant from the pump through the aftercooler, and selectively direct pressurized coolant from the pump through the single heat exchanger. The multi-thermostat arrangement may also be configured to selectively mix pressurized coolant from the aftercooler with a remaining portion of the pressurized coolant from the pump to form a coolant mixture, and to selectively direct the coolant mixture through the engine or around the engine. | 05-03-2012 |
| 20120137991 | ELECTRIC WATER PUMP CONTROL SYSTEM AND METHOD THEREOF - An electric water pump control apparatus actively controls an electric water pump in a high speed range or a high load condition as a vehicle accelerates or overtakes. An electric water pump control method may include determining whether an engine is in a high speed/high load condition or in a normal condition by detecting an engine speed, fuel consumption amount, and coolant temperature, determining whether the coolant temperature is less than a predetermined second temperature, if the engine is in a high speed/high load condition, calculating a speed of the electric water pump by applying fuel consumption amount and engine speed, if the coolant temperature is less than a second temperature and determining a final speed of the electric water pump by applying a compensation coefficient according to the coolant temperature, and operating the electric water pump with the final speed to circulate the coolant. | 06-07-2012 |
| 20120216760 | EJECTOR COOLANT PUMP FOR INTERNAL COMBUSTION ENGINE - An internal combustion engine includes a cooling fluid circuit and a pumping circuit. The pumping circuit drives an ejector pump located along the cooling fluid circuit, enabling a reduced parasitic load on the engine from pumping cooling fluid through the cooling fluid circuit. | 08-30-2012 |
| 20120234266 | Split Cooling Method and Apparatus - A system and method for cooling an internal combustion engine. In one embodiment of the invention a cooling system for an internal combustion engine is disclosed, comprising an engine; an intercooler for receiving combustion air from a turbocharger, the intercooler comprising an air-to-liquid heat exchanger for exchanging heat between the combustion air and a liquid coolant; an intercooler radiator; at least one engine coolant radiator; an expansion tank; an oil cooler; and at least one pump, wherein the dedicated fan is controlled by a temperature switch or controller and wherein the at least one engine coolant radiator and the intercooler radiator are located on opposite sides of the engine. | 09-20-2012 |
| 20120240876 | ENGINE ASSEMBLY INCLUDING COOLING SYSTEM - An engine assembly includes a coolant pump, an engine structure, a radiator supply feed and a radiator bypass feed. The engine structure defines a first set of cylinders, a first coolant return gallery and a first cooling jacket. The first coolant return gallery extends in a longitudinal direction from a first longitudinal end to a second longitudinal end of the engine structure. The first cooling jacket is in communication with the coolant pump and with the first coolant return gallery. The first coolant return gallery forms a radiator bypass passage providing the coolant fluid to the coolant pump and bypassing the radiator during a first operating condition and forms a radiator supply passage providing the coolant fluid to the radiator during a second operating condition. | 09-27-2012 |
| 20130125843 | INTERNAL COMBUSTION ENGINE AND WATER OUTLET STRUCTURE OF INTERNAL COMBUSTION ENGINE - A water outlet structure of an internal combustion engine includes a water outlet and a thermostat. The water outlet includes a cooling-water inflow portion, a radiator outflow passage, and a bypass passage. The cooling-water inflow portion is provided to face a cooling-water outlet of a cylinder head. Cooling water is to flow out to a radiator through the radiator outflow passage. The radiator outflow passage linearly extends from the cooling-water inflow portion. The bypass passage linearly and obliquely extends from the cooling-water inflow portion to provide a water flow at an acute angle to a water flow in the radiator outflow passage. The thermostat is provided integrally with the water outlet and includes a thermo housing provided downstream of the bypass passage. | 05-23-2013 |
| 20130152880 | THERMOSTAT HOUSING WHICH PROVIDES OPTIMIZED COOLANT FLOW - A thermostat housing is disclosed. The thermostat housing comprises a housing member. The housing member includes an inlet and an outlet to allow coolant to flow therethrough. The thermostat housing also includes least two thermostats within the housing member. The at least two thermostats have staggered opening temperatures. One of the at least two thermostats opens and controls a flow rate of coolant through the housing when the coolant is within a first predetermined temperature range. A single loop of coolant is being controlled within the housing member. | 06-20-2013 |
| 20130160723 | COOLANT CIRCULATION SYSTEM FOR ENGINE - A coolant circulation system for an engine includes a cylinder block passage and a cylinder head passage, which are provided respectively in a cylinder block portion and a cylinder head portion of the engine. These two passages serve as passages through which a coolant flows to cool the cylinder block portion and the cylinder head portion. The cylinder block passage and the cylinder head passage are connected in parallel to each other. The coolant circulation system further includes a first heat exchanger connected to the cylinder block passage, a second heat exchanger connected to the cylinder head passage, a radiator connected to both the cylinder block passage and the cylinder head passage, and a control unit capable of controlling flow rates of the coolant flowing through the cylinder block passage and the cylinder head passage respectively. | 06-27-2013 |
| 20130167784 | METHOD FOR OPERATING A COOLANT CIRCUIT - A method for operating a liquid coolant circuit of an internal combustion engine is described in which the coolant circuit contains an integrated EGR cooler such that the cooling system has a single circuit with two operational modes. The method includes a controller that can switch between operational modes to enable delivery of coolant to the EGR cooler when the flow of coolant through the block cooling circuit is blocked. In the second operational mode, the method also includes using an auxiliary pump to pass coolant to the EGR cooler while bypassing the main coolant pump, which can occur by adjusting the flow of coolant through the circuit so the flow through a bypass line is reversed relative to the inherent forward direction of flow in the bypass line during the first operational mode. | 07-04-2013 |
| 20130213322 | ENGINE COOLING DEVICE - An engine cooling device including a water pump, a radiator, an exhaust heat recovery unit, and a coolant circulation circuit for circulating a coolant in these apparatuses includes a flow rate limiting means that limits the flow rate of the coolant that circulates in the exhaust heat recovery unit in the case where a temperature of a sensor element of an A/F sensor, that is disposed downstream of the exhaust heat recovery unit in an exhaust path, is below a preset activation temperature. An extent of opening of a second switching valve is made smaller in the case where the temperature of the sensor element is below the activation temperature than in the case where the temperature is equal to or higher than the activation temperature. | 08-22-2013 |
| 20130220241 | COMBUSTION STATE CONTROL APPARATUS - An ECU includes: an electronically controlled valve opening degree control unit for increasing the opening degree of an electronically controlled valve, as a temperature of a coolant detected by a water temperature detecting unit is higher; and a gear ratio control unit for changing the gear ratio of an automatic transmission to a gear ratio to be used when a vehicle runs at a slow speed, when the temperature of the coolant detected by the water temperature detecting unit is equal to or higher than a temperature when the electronically controlled valve opening degree control unit sets the opening degree of the electronically controlled valve to be a maximum opening degree, and when an engine speed detected by an engine speed detecting unit is slower than a preset engine speed and a load to an engine detected by a load detecting unit is larger than a preset load. | 08-29-2013 |
| 20130220242 | COOLING SYSTEM FOR AN INTERNAL COMBUSTION ENGINE - An opening and closing condition of a thermostat is optimized. In a cooling system for an internal combustion engine in which a cooling water, in which its specific heat becomes larger at a predetermined temperature than at other temperatures, is caused to circulates through a cooling water passage, there are provided a radiator, a bypass passage that bypasses the radiator, and a thermostat that interrupts the circulation of the cooling water to the radiator and circulates the cooling water to the bypass passage when it closes, and circulates the cooling water to at least the radiator when it opens, wherein the thermostat is set to open at the time when the temperature of the cooling water is higher than a predetermined temperature. | 08-29-2013 |
| 20130255598 | SINGLE PUMP COOLING ARRANGMENT - A cooling arrangement having a first circuit and a second circuit in fluid communication of a coolant with each other. The cooling arrangement includes a pump configured to receive the coolant from the first circuit and the second circuit, and to re-circulate the coolant back to the first circuit and the second circuit. Further, the cooling arrangement includes an after-cooler disposed in the first circuit. A thermostat is provided in connection with the after-cooler to regulate a flow of the coolant supplied to the pump based on the temperature of the coolant from the after-cooler. Further, a bypass line is disposed in parallel to the thermostat in the first circuit. The bypass line is configured to provide a constant bleed of the coolant from the first circuit to the pump. | 10-03-2013 |
| 20130255599 | ENGINE COOLING SYSTEM CONTROL - Methods and systems are provided for expediting engine system heating by stagnating coolant in one of a plurality of loops in an engine cooling system. Degradation of the various valves and thermostats of the cooling system can be diagnosed by adjusting the valve and monitoring changes in one or more of coolant temperature, transmission temperature and cabin temperature. Based on engine operating conditions, the various valves may be adjusted to vary coolant temperature in different regions of the cooling system, thereby providing fuel economy benefits. | 10-03-2013 |
| 20130298850 | COOLING SYSTEM FOR INTERNAL COMBUSTION ENGINE - The character or nature of cooling water is correctly estimated. A cooling system for an internal combustion engine includes a radiator, a bypass passage which bypasses the radiator, a thermostat, and a control unit which changes a valve opening temperature of the thermostat. The cooling system for the internal combustion engine further includes an estimating unit which forbids valve opening of the thermostat and which estimates the character of the cooling water on the basis of temperature transition of the cooling water provided in this state. | 11-14-2013 |
| 20130306004 | COOLING SYSTEM - A cooling system | 11-21-2013 |
| 20130333640 | COOLING SYSTEM IN A VEHICLE - A cooling system with a circulating coolant for cooling a combustion engine in a vehicle ( | 12-19-2013 |
| 20140026829 | INDEPENDENT COOLING OF CYLINDER HEAD AND BLOCK - Various systems are provided for liquid-cooling of an internal combustion engine. In one example, an internal combustion engine includes a cylinder head, a cylinder block coupled to the cylinder head, a first return line fluidically coupled to the cylinder head and to a coolant valve and including a heat exchanger configured to remove heat from coolant, a second return line fluidically coupled to the cylinder block and to the coolant valve, a bypass line branching off from the first return line and fluidically coupled to the coolant valve, and an originating supply line fluidically coupled to the cylinder head, the cylinder block, and the coolant valve, the originating supply line including a pump configured to supply coolant. The coolant valve is configured to control coolant flow through the coolant lines via rotational selection of one of a plurality of working positions. | 01-30-2014 |
| 20140026830 | COOLING SYSTEM FOR COOLING OF A COMBUSTION ENGINE - A cooling system for a combustion engine ( | 01-30-2014 |
| 20140060463 | SPLIT COOLING METHOD AND APPARATUS - A system and method for cooling an internal combustion engine. In one embodiment of the invention a cooling system for an internal combustion engine is disclosed, comprising an engine; an intercooler for receiving combustion air from a turbocharger, the intercooler comprising an air-to-liquid heat exchanger for exchanging heat between the combustion air and a liquid coolant; an intercooler radiator; at least one engine coolant radiator; an expansion tank; an oil cooler; and at least one pump, wherein the dedicated fan is controlled by a temperature switch or controller and wherein the at least one engine coolant radiator and the intercooler radiator are located on opposite sides of the engine. | 03-06-2014 |
| 20140083376 | Cooling Circuit For A Liquid-Cooled Internal Combustion Engine - A cooling circuit for a liquid-cooled internal combustion engine for motor vehicles, includes a main cooling circuit including a feed line leading to a radiator and a return line, and a bypass line, which bypasses the radiator and can be controlled as a function of temperature and secondary cooling circuit for a retarder of a braking device of the motor vehicle, which is connected, likewise by a feed line, a return line and a control valve, to the main cooling circuit. The two cooling circuits ( | 03-27-2014 |
| 20140150738 | COOLING SYSTEM HAVING SHOCK REDUCING VALVE - A cooling system for an engine includes a pump driven by the engine and configured to circulate coolant through the engine. The cooling system also includes a heat exchanger configured to receive coolant from the engine and to reduce a temperature of the coolant. The cooling system further includes a thermostat fluidly connected to the engine and the heat exchanger. The thermostat is configured to selectively direct coolant from the engine to the heat exchanger when a temperature of the coolant is greater than a temperature threshold of the thermostat. The thermostat is also configured to substantially block coolant from passing to the heat exchanger when the temperature of the coolant is less than or equal to the temperature threshold. The cooling system also includes a valve fluidly connected to the engine and the heat exchanger, and connected in parallel with the thermostat. The valve is configured to direct a portion of the coolant exiting the engine to the heat exchanger during a first operating condition. During the first operating condition, a pressure of the coolant exiting the engine is greater than a pressure threshold of the valve. | 06-05-2014 |
| 20140182522 | ENGINE HAVING THERMOSTAT AND SYSTEM THEREOF - An engine system may include a thermostat casing connected to a first, second, third, and fourth flow channels, a valve guide in which a main valve that opens and closes the first flow channel is formed at one side, a closing valve that opens and closes the second flow channel is formed at the other side, and a bypass valve is formed adjacent to the closing valve, an elastic member that elastically supports the valve guide to enable the main valve to block the first flow channel and the closing valve to block the second flow channel, a driver that moves the valve guide so that the main valve opens the first flow channel and the closing valve opens the second flow channel according to a temperature of a coolant, and a control unit that controls the temperature and a flow of the coolant by controlling the driver. | 07-03-2014 |
| 20140190427 | COOLANT CONTROL VALVE APPARATUS - A coolant control valve apparatus | 07-10-2014 |
| 20140230758 | Cooling Circuit For A Liquid-Cooled Internal Combustion Engine - A cooling circuit for a liquid-cooled internal combustion engine for motor vehicles, includes a main cooling circuit including a feed line leading to a radiator and a return line, and a bypass line, which bypasses the radiator and can be controlled as a function of temperature and secondary cooling circuit for a retarder of a braking device of the motor vehicle, which is connected, likewise by a feed line, a return line and a control valve, to the main cooling circuit. The two cooling circuits ( | 08-21-2014 |
| 20140251238 | HEAT EXCHANGING SYSTEM FOR INTERNAL COMBUSTION ENGINE - A heat exchanging system for an internal combustion system is disclosed herein. The heat exchanging system includes a pusher fan assembly, positioned between the internal combustion engine and a radiator. The pusher fan assembly enables air-flow towards the radiator. The pusher fan assembly includes a central hub, a plurality of blades, and a nose. The blades include a first end coupled to the central hub and a second end extending radially outwards from the central hub. The nose includes a base portion and a contoured outer portion. The base portion has a radius, R. The contoured outer portion has a maximum length, L dimension along axis of rotation. The contoured outer portion has an angular profile, ρ defined by formula ρ=(R*R+L*L)/2*R. | 09-11-2014 |
| 20140318482 | DEVICE FOR WATER CIRCULATION IN A COOLING CIRCUIT OF AN INTERNAL COMBUSTION ENGINE - The present invention refers to a device ( | 10-30-2014 |
| 20140345547 | COOLING SYSTEM OF ENGINE - A cooling system of an engine may include an engine that has a cylinder block where a cylinder is formed therein and a cylinder head that covers the cylinder block, a radiator that is disposed outside the engine, a first thermostat that is disposed on a coolant line connecting the engine with the radiator in such a way that the coolant passes the radiator or does not pass the radiator, and a second thermostat that is configured to make the coolant selectively pass the coolant line that is formed in the cylinder block. | 11-27-2014 |
| 20140366815 | AIR HEAT EXCHANGER - An air heat exchanger comprising a front-end heat exchanger ( | 12-18-2014 |
| 20150027386 | SYSTEM FOR REGULATING COOLANT FLOW IN AN ENGINE - A fluid regulator for an engine coolant system includes a thermostat. The thermostat is configured to route engine coolant through an engine and a radiator in one mode and through the engine to bypass the radiator in another mode. | 01-29-2015 |
| 20150075452 | ROTARY VALVE - A rotary valve that includes a rotor, and a casing including a rotor accommodating space that accommodates the rotor. A rotor opening which is a passage of cooling water is provided in the rotor. Openings which communicate with the rotor opening are provided at positions of an inner circumferential surface of the rotor accommodating space which oppose an outer circumferential surface of the rotor. Seal members are provided to extend from the openings toward the rotor. A tip end abutting portion of the seal member which abuts on the rotor includes an inwardly curved portion. The inwardly curved portion functions as a seal and also functions as a spring. The inwardly curved portion is narrowed inwardly toward a tip end side, and is curved to be folded back. | 03-19-2015 |
| 20150075453 | ROTARY VALVE - The rotary valve includes a rotor, and a casing including a rotor accommodating space. A rotor opening which is a passage of cooling water is in the rotor. Openings which communicate with the rotor opening are at positions of an inner circumferential surface of the rotor accommodating space which oppose an outer circumferential surface of the rotor. Seal members extend from the openings toward the rotor. A tip end abutting portion of the seal member which abuts on the rotor functions as a seal and as a spring. The seal member is positioned by engagement with each of positioning portions provided on the openings and includes a rotation stopping portion that stops a rotation. | 03-19-2015 |
| 20150136048 | HEAT STORAGE IN ENGINE COOLING SYSTEM - A heating and cooling system for an internal combustion engine comprising a heat storage circuit and a radiator circuit, and a method of controlling such a system are disclosed. The heat storage circuit comprises a heat storage container in which engine coolant is stored and allowed to flow into and out of. The radiator circuit comprises a radiator for flow of the engine coolant, and the radiator has a radiator inlet connected via an upstream radiator conduit to a coolant outlet of the engine, and a radiator outlet connected via a downstream radiator conduit to a coolant inlet of the engine. A bypass conduit is connected between the upstream radiator conduit and the downstream radiator conduit to allow coolant to bypass the radiator. A thermostat controlled valve is arranged in the upstream radiator conduit at a coolant outlet of the engine and connected to the bypass conduit. | 05-21-2015 |
| 20150144078 | MOTOR VEHICLE ENGINE COOLING SYSTEM AND METHOD - A motor vehicle engine cooling system includes a fluid flow control device having first and second fluid inlets and first and second fluid outlets. The first fluid inlet is arranged to be connected to a cylinder head coolant outlet of the engine and the second fluid inlet is arranged to be coupled to a cylinder block coolant outlet of the engine. The first fluid outlet is coupled to a radiator bypass conduit of the cooling system and the second fluid outlet is coupled to a radiator conduit of the cooling system and arranged to direct to flow through a radiator of the system. The device comprises a radiator outlet valve operable to control a flow of fluid out from the device through the second outlet, the valve having a closure member operable between an open position and a closed position responsive to a temperature of coolant flowing through the device, wherein when the closure member transitions from the closed position to the open position the closure member is arranged to be displaced in a direction downstream of a direction of flow of coolant through the second outlet. | 05-28-2015 |
| 20160003127 | INTAKE-AIR COOLING DEVICE FOR ENGINE AND METHOD FOR COOLING ENGINE - A first cooling water circuit is configured such that the cooling water that has come out from the engine passes through the first intake-air cooling device and returns to the engine again. A second cooling water circuit is configured such that the cooling water that has come out from the engine passes through the second intake-air cooling device and returns to the engine again. A heat exchanger is configured to perform heat exchange between the cooling water that has come out from the engine and flowing to the first intake-air cooling device and the cooling water that has come out from the second intake-air cooling device and that is flowing to the engine. | 01-07-2016 |
| 20160053666 | COOLING CIRCUIT - A cooling circuit including a combustion engine, a coolant cooler, a first thermostat, a first pump, a condenser, a second thermostat and a second pump, wherein a cooling agent can flow through the cooling circuit, wherein the combustion engine, first pump, coolant cooler and first thermostat are arranged in a first circuit, and the condenser, second thermostat and second pump are arranged in a second circuit, and wherein the first circuit and second circuit are in fluid communication with one another at at least one point. | 02-25-2016 |
| 20160090895 | ENGINE WATER-COOLING DEVICE - There is provided an engine water-cooling device that can increase warming-up efficiency of an engine. The engine water-cooling device includes a thermostat housing that houses a thermostat. The thermostat housing is mounted to a front wall of a cylinder head in one side portion in a width direction of the cylinder head. A cooling water pump is mounted to a front wall of a cylinder block in a central portion in a width direction of the cylinder block. A bypass passage includes an intra-head bypass passage in the cylinder head, and the intra-head bypass passage includes a width-direction passage portion extending from a position behind the thermostat housing to a position behind and above the cooling water pump. | 03-31-2016 |
| 20160115915 | COOLING SYSTEM PROVIDED WITH INTERCOOLER AND CONTROL METHOD THEREOF - A cooling system may include an intercooler configured to heat-exchange a coolant and air, a radiator configured to cool a coolant heated in an engine through heat-exchange with air, a low temperature radiator configured to cool the coolant of the intercooler, a thermostat selectively fluid-connected to the radiator or the intercooler to supply the coolant from the radiator or the intercooler to the engine, a first control valve configured to selectively supply the coolant which has passed through the intercooler to the radiator, a second control valve configured to selectively supply the coolant which has passed through the engine to the intercooler or the first control valve, and a controller configured to control operations of the thermostat, the first control valve, and the second control valve according to a temperature of the coolant of the engine and a temperature of intake air. | 04-28-2016 |
| 20160131016 | SYSTEM AND METHOD FOR A TURBOCHARGER DRIVEN COOLANT PUMP - Methods and a system are provided for powering a coolant pump to drive a coolant flow through a charge air cooler using exhaust gas-driven rotations of a turbocharger. In one example, a method may include adjusting a coolant flow through a charge air cooler with a coolant pump, the coolant pump mechanically driven by rotative power from a turbocharger. As such, coolant flow may increase with increasing turbocharger speed and the method may further include adjusting a wastegate of a turbocharger turbine to adjust power provided to the coolant pump. | 05-12-2016 |
| 20160138460 | CONTROL METHOD AND SYSTEM FOR VEHICLE PROVIDED WITH WATER-COOLING INTERCOOLER APPARATUS - A control method for a vehicle provided with a water-cooling intercooler apparatus, includes: detecting a coolant temperature of the water-cooling intercooler apparatus; detecting a rotation speed and a power consumption amount of an electric water pump (EWP) included in the water-cooling intercooler apparatus; calculating an efficiency value of the water-cooling intercooler apparatus based on the detected coolant temperature and air temperatures at an inlet and an outlet of an intercooler, respectively, included in the water-cooling intercooler apparatus; and determining whether the water-cooling intercooler apparatus is in a failure state based on the detected coolant temperature, the detected rotation speed and power consumption amount, and the calculated efficiency value. | 05-19-2016 |
| 20160146092 | ENGINE SYSTEM HAVING COOLANT CONTROL VALVE - An engine system having a coolant control valve includes a coolant pump pumps a coolant. A cylinder head receives the coolant by a first exhaust side water jacket and discharges the received coolant to a first intake side water jacket. An intake cylinder block receives the coolant by a second exhaust side water jacket and discharges the received coolant to a second intake side water jacket. A coolant control valve selectively blocks the coolant discharged from the first intake side water jacket of the cylinder head and the coolant discharged from the second intake side water jacket of the cylinder block, and separately controls coolants supplied to at least two heat exchangers. The heat exchangers include an oil cooler cooling oil, an exhaust gas recirculation (EGR) cooler cooling a recirculation exhaust gas, a heater core for indoor heating, or a radiator releasing heat of the coolant to outside. | 05-26-2016 |
| 20160169080 | VEHICLE EXHAUST HEAT RECOVERY SYSTEM AND METHOD | 06-16-2016 |
| 20160177809 | ENGINE THERMOSTAT WITH INTEGRATED COOLANT FILTER | 06-23-2016 |
| 20160186646 | THERMAL CONTROLLER WITH AUTOMOTIVE APPLICATIONS - A thermal controller for automotive applications. A thermal controller in an aspect of the present disclosure includes a valve, a motor coupled to the valve, a temperature sensor, flow rate sensor, heater/cooler element, and a controller, coupled to the temperature sensor, flow rate sensor and the motor, in which the controller alters volume and temperature of fluid flow through the valve by turning the motor based on inputs from the temperature sensor. | 06-30-2016 |
| 20160201549 | ENGINE SYSTEM HAVING TWO COOLING LOOPS | 07-14-2016 |
| 20160376978 | System And Method For Controlling Inlet Coolant Temperature Of An Internal Combustion Engine - A system including a target module determining a target temperature of coolant at an input of an engine for a maximum amount of fuel efficiency. A mode module disables closed loop control based on temperatures of coolant entering the engine and at an output of a radiator. An open loop module determines first and second temperatures of coolant at inputs of a coolant control valve that receive coolant from the radiator and a channel that bypasses the radiator. A ratio module determines a ratio based on the first and second temperatures and the temperatures of the coolant entering the engine and at the radiator output. A closed loop module generates a correction value based on the target temperature and the temperature of the coolant entering the engine. A position module adjusts the coolant control valve based on the ratio, the correction value and whether closed loop control is disabled. | 12-29-2016 |
