Patent application number | Description | Published |
20080308050 | CYLINDER HEAD FOR AN INTERNAL COMBUSTION ENGINE - The invention relates to a cylinder head ( | 12-18-2008 |
20110056456 | CYLINDER HEAD WITH OIL RETURN - Engine oil may pool in various locations in the cylinder head near the valves and underneath the camshaft. Rather than directly conducting the oil to the oil return passages, the oil is conducted to a surface proximate the exhaust ducts before being conducted to the oil return passage so that the oil is readily warmed up during a cold start by the contact with a surface in the cylinder head proximate exhaust ducts. The provision of such a surface proximate exhaust ducts is facilitated by the integrated exhaust manifold design in which the exhaust ducts are merged prior to exiting the cylinder head. By rapidly heating the oil, the oil's viscosity decreases, thereby reducing friction and improving fuel efficiency. | 03-10-2011 |
20110079187 | HEATING ENGINE OIL IN AN INTERNAL COMBUSTION ENGINE - The disclosure relates to an internal combustion engine having a cylinder head and cylinder block serving as an upper crankcase portion for holding a crankshaft in multiple bearings. The engine has an oil pump for feeding engine oil to the cylinder head prior to supplying the multiple bearings in the cylinder block. | 04-07-2011 |
20110197832 | COOLANT JACKETS FOR AN INTERNAL COMBUSTION ENGINE AND METHOD OF CONTROL - An internal combustion engine is provided. The internal combustion engine includes a cylinder block having a cooling jacket and a cylinder head having two cooling jackets. In one example, the internal combustion engine may be operated so as to reduce engine friction and emissions during cold engine starts. | 08-18-2011 |
20110271916 | Internal Combustion Engine with Liquid Cooling - A system for providing cooling to at least one cylinder of an engine is disclosed. The system comprises at least one coolant jacket in a cylinder head arranged on an inlet side of a cylinder and at least one coolant jacket in the cylinder head arranged on an outlet side of the cylinder. The outlet-side coolant jacket may be part of a water cooling circuit, while the inlet-side coolant jacket may be part of oil circuit. | 11-10-2011 |
20110296834 | SEPARATELY COOLED TURBOCHARGER FOR MAINTAINING A NO-FLOW STRATEGY OF AN ENGINE BLOCK COOLANT JACKET - An internal combustion engine is provided herein. The internal combustion engine may include a turbocharger including a turbine positioned in an exhaust passage, the turbine having a turbine housing. The internal combustion engine may further include a cooling system having an engine block coolant jacket fluidly coupled to a pump, a cylinder head coolant jacket fluidly coupled to the pump, and a turbine coolant passage traversing the turbine housing and fluidly coupled to the pump and bypassing the engine block coolant jacket. | 12-08-2011 |
20120006286 | COOLING ARRANGEMENT FOR INTERNAL COMBUSTION ENGINES - A cooling arrangement for an internal combustion engine is described, with a coolant balancing tank which is capable of being filled with coolant and the inlet side of which is connected via a first venting line to an internal combustion engine and/or via a second venting line to a cooler for cooling the coolant, and the outlet side of which is connected via a coolant return line to the inlet side of a pumping device for pumping the coolant through the internal combustion engine. The cooling arrangement has, furthermore, a flow control unit for variably limiting the coolant volume flow in the venting line. | 01-12-2012 |
20120067306 | INTERNAL COMBUSTION ENGINE WITH LIQUID-COOLED TURBINE - Embodiments for cooling a turbine of an engine are provided. In one example embodiment, an internal combustion engine comprises a turbocharger including a turbine having a coolant jacket integrated in a housing of the turbine, and an oil circuit coupled to the coolant jacket of the turbine. By cooling the turbine with the oil circuit, the turbine may be constructed from less-heat resistant materials. | 03-22-2012 |
20120103283 | COOLING SYSTEM - A cooling system for an engine is provided. In one embodiment, an internal combustion engine comprises a cabin heat exchanger circuit including a connecting line opening on an inlet side into a cylinder block coolant jacket, a main coolant pump arranged in the cabin heat exchanger circuit, an auxiliary coolant pump arranged in the connecting line, and a check valve. In this way, additional cooling and/or heating may be provided to the engine and associated components by the auxiliary coolant pump. | 05-03-2012 |
20120118248 | HYBRID COOLING SYSTEM OF AN INTERNAL COMBUSTION ENGINE - A hybrid cooling system for an engine is provided. The system comprises a block oil cooling circuit, a head coolant cooling circuit, the head and block circuits having a common heat exchanger. The system also includes a flow device in the head cooling circuit for preventing coolant flow in the head cooling circuit at least during a first phase of a warm-up phase of the internal combustion engine, a delivery device in the block cooling circuit which delivers engine oil constantly under pressure through the block cooling circuit to bearing points in a cylinder block and to bearing points in a cylinder head, and a control element arranged in a control line to reduce the delivery capacity of the delivery device through the block cooling circuit at least during the first phase of the warm-up phase. In this way, heat transfer in the common heat exchanger may be substantially prevented. | 05-17-2012 |
20120234286 | LUBRICATION SYSTEM FOR AN INTERNAL COMBUSTION ENGINE, AND METHOD FOR LUBRICATION - Embodiments for a lubrication system for an internal combustion engine are provided. In one example, a lubrication system for an internal combustion engine comprises a lubricant circuit, a radiator for cooling the lubricant, a heat accumulator arranged upstream of the engine for warming up the lubricant, the heat accumulator connected in parallel to the radiator, and a valve for switching over the lubricant circuit between the radiator and the heat accumulator. In this way, the oil may be rapidly heated during cold engine start conditions. | 09-20-2012 |
20120285401 | INTERNAL COMBUSTION ENGINE COMPRISING A LIQUID COOLING SYSTEM AND OIL SUPPLY AND METHOD FOR OPERATING SUCH AN INTERNAL COMBUSTION ENGINE - An internal combustion engine is provided. The internal combustion engine includes an oil circuit and a pump in fluidic communication with a supply line and at least one lubricant receiving component and a liquid cooling system including a coolant circuit having an oil pressure actuated coolant valve and a coolant valve control line in fluidic communication with the pump and having a first configuration in which coolant may flow therethrough and a second configuration in which coolant is inhibited from flowing therethrough, the first and second configurations triggered in response to a change in oil pressure in the coolant valve control line. | 11-15-2012 |
20120285413 | METHOD FOR HEATING THE ENGINE OIL OF AN INTERNAL COMBUSTION ENGINE AND INTERNAL COMBUSTION ENGINE FOR PERFORMING SUCH A METHOD - A method for operation of a lubrication circuit in an internal combustion engine is provided herein. The method comprises during a first operating condition, operating an oil agitation device to increase the turbulence of oil in the lubrication circuit, the oil agitation device positioned downstream of an oil pump in a supply line in fluidic communication with a lubricant receiving component. | 11-15-2012 |
20120291728 | INTERNAL COMBUSTION ENGINE HAVING AN OIL CIRCUIT AND METHOD FOR OPERATING SUCH AN INTERNAL COMBUSTION ENGINE - A method for operating an engine is provided. The method comprises adjusting an oil pressure in an oil circuit, the oil circuit including a pump in fluidic communication with a hydraulically adjustable cam follower and switching the hydraulically adjustable cam follower into a connected state to a disconnected in response to the oil pressure adjustment. | 11-22-2012 |
20130036734 | LIQUID-COOLED INTERNAL COMBUSTION ENGINE HAVING EXHAUST-GAS TURBOCHARGING - A thermosiphon system in an engine is provided herein. The thermosiphon system includes a coolant channel traversing a bearing housing, the bearing housing included in a bearing coupled to a shaft mechanically coupled to a turbine and a compressor in a turbocharger, a ventilation vessel in fluidic communication with at least one coolant passage traversing at least one of a cylinder head and a cylinder block in the engine, the at least one coolant passage included in a cooling circuit, and a thermosiphon coolant line having an inlet in fluidic communication with an outlet of the coolant channel and an inlet of the ventilation vessel, the inlet positioned vertically below an interface between liquid and vapor coolant in the ventilation vessel. | 02-14-2013 |
20130092108 | Method for Warming an Internal Combustion Engine, and Internal Combustion Engine - The disclosure relates to a method for expediting warm up of an internal combustion engine cylinder block and engine oil utilizing an existing oil coolant circuit. A method for warming up an internal combustion engine with at least one cylinder, a cylinder block which is formed by an upper crankcase half mounted to a lower crankcase half, said lower crankcase half containing an oil sump which is fed, via a supply line, by a coolant jacket, an inlet side of said coolant jacket supplied in turn with oil via the oil sump by an oil pump, the method comprising: releasing oil from the coolant jacket via gravity to reduce a cooling capacity of the internal combustion engine. | 04-18-2013 |
20130092118 | INTERNAL COMBUSTION ENGINE WITH A LUBRICATION SYSTEM AND METHOD FOR PRODUCING AN INTERNAL COMBUSTION ENGINE - A lubrication system in an internal combustion engine is provided. The lubrication system includes a crankshaft bearing supporting a crankshaft, a supply line including an outlet flowing oil to the crankshaft bearing and an inlet receiving oil from an oil gallery, and thermal insulation at least partially surrounding at least a portion of an inner wall of the supply line and/or the oil gallery. | 04-18-2013 |
20130092124 | METHOD FOR REDUCING THE PARTICLE EMISSIONS OF A SPARK-IGNITION INTERNAL COMBUSTION ENGINE WITH DIRECT INJECTION, AND INTERNAL COMBUSTION ENGINE FOR CARRYING OUT SUCH A METHOD - A method for reducing the particle emissions of a spark-ignition, direct-injection internal combustion engine is provided. The method comprises operating at least one cylinder superstoichiometrically, responsive to an injector coking level and sufficiently high cylinder temperature, for a duration to increase oxidation of coking residues. | 04-18-2013 |
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 |
20130167786 | LIQUID-COOLED INTERNAL COMBUSTION ENGINE AND METHOD FOR OPERATING AN INTERNAL COMBUSTION ENGINE OF SAID TYPE - A liquid-cooling engine system is described with a coolant control device having an adjustable control element capable of independently controlling the flow of coolant through a cylinder head and cylinder block. The device contains a rotatable drum that can be rotated along its longitudinal axis to expose holes and thereby allows coolant circulation based on a temperature within the engine system. The coolant control device has three positions but may also be fine-tuned within each position to control the flow of coolant through the cylinder head and cylinder block in order to adjust the amount of heat extracted according to demand, which serves to control the liquid-type cooling circuit in a demand-dependent manner that accounts for the operating modes of the internal combustion engine. | 07-04-2013 |
20130298852 | LIQUID COOLED INTERNAL COMBUSTION ENGINE WITH COOLANT CIRCUIT, AND METHOD FOR OPERATION OF THE LIQUID COOLED INTERNAL COMBUSTION ENGINE - A liquid cooled internal combustion engine having a bypass line with a controllable shut off element so that coolant can bypass the cylinder head in certain engine operating conditions. The bypass line branches off from the coolant circuit upstream of the cylinder head and returns to the coolant circuit downstream of the cylinder head. | 11-14-2013 |
20140017091 | DISENGAGEABLE COOLANT PUMP FOR ENGINE - A coolant pump includes a drive wheel, a driven wheel, and a coupling-control pump. The driven wheel is connected to a coolant impeller and coupled by a variable degree to the drive wheel, the degree of coupling responsive to an amount of fluid confined between the drive wheel and the driven wheel. The coupling-control pump is configured to change the amount of fluid confined between the drive wheel and the driven wheel based on a variable control signal. | 01-16-2014 |
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 |
20140034008 | INTERNAL COMBUSTION ENGINE WITH OIL-COOLED CYLINDER BLOCK AND METHOD FOR OPERATING AN INTERNAL COMBUSTION ENGINE OF SAID TYPE - Embodiments for selectively filling a cylinder block cooling jacket with oil are provided. In one example, a control unit may be rotated among a plurality of working positions to open up and/or block flow of oil into and out of the cylinder block cooling jacket. | 02-06-2014 |
20140209046 | COOLANT CIRCUIT WITH HEAD AND BLOCK COOLANT JACKETS CONNECTED IN SERIES - A method to operate a split coolant circuit of a combustion engine wherein a cylinder head coolant jacket and an engine block coolant jacket are provided in series with a pump delivering coolant to an inlet of the cylinder head coolant jacket without being directly connected to an inlet of the engine block coolant jacket. This allows for 100% of the pump flow rate to be delivered to the cylinder head coolant jacket before division of coolant flow occurs for various engine operating conditions. | 07-31-2014 |
20140245975 | METHOD AND SYSTEM FOR AN INTERNAL COMBUSTION ENGINE WITH LIQUID-COOLED CYLINDER HEAD AND LIQUID-COOLED CYLINDER BLOCK - Methods and systems are provided for separately providing liquid-cooling to a cylinder head and a cylinder block. In one example, a method includes selectively pumping coolant with a single pump to each of a first cylinder head coolant jacket and a cylinder block coolant jacket based on engine temperatures. The method further includes discharging coolant from the first cylinder head coolant jacket to a heating circuit line including a vehicle interior heater and discharging coolant from the cylinder block cooling jacket and back to the single pump. | 09-04-2014 |
20150027389 | LUBRICATION SYSTEM FOR AN INTERNAL COMBUSTION ENGINE, AND METHOD FOR LUBRICATION - Embodiments for a lubrication system for an internal combustion engine are provided. In one example, a lubrication system for an internal combustion engine comprises a lubricant circuit, a radiator for cooling the lubricant, a heat accumulator arranged upstream of the engine for warming up the lubricant, the heat accumulator connected in parallel to the radiator, and a valve for switching over the lubricant circuit between the radiator and the heat accumulator. In this way, the oil may be rapidly heated during cold engine start conditions. | 01-29-2015 |
20150107546 | METHOD AND ARRANGEMENT FOR CONTROLLING TRANSMISSION OIL TEMPERATURE - A temperature control arrangement includes a heat exchanger which is fluidly connected via a transmission oil circuit to a transmission of the vehicle. A heat accumulator is fluidly connected to the transmission oil circuit and a control device is arranged in the transmission oil circuit. The control device subdivides the transmission oil circuit into an accumulator circuit containing the heat accumulator and a cooling circuit containing the heat exchanger. The heat accumulator alternately accumulates thermal energy from the transmission oil and delivers previously stored thermal energy to the transmission oil. The control device is configured to direct the transmission oil circulating within the transmission oil circuit at least partially to the heat exchanger and/or to the heat accumulator. | 04-23-2015 |
20150198079 | LIQUID-COOLED INTERNAL COMBUSTION ENGINE WITH SELECTOR GUIDE VALVE, AND METHOD FOR CONTROLLING THE SELECTOR GUIDE VALVE OF AN INTERNAL COMBUSTION ENGINE OF SAID TYPE - A selector guide valve in cooling system of an internal combustion engine is provided. The selector guide valve includes a first control drum independently rotatable and including an inlet receiving engine coolant from a pump and a plurality of coolant openings extending through the first control drum and a second control drum independently rotatable, circumferentially surrounding the first control drum, and including a plurality of coolant openings extending through the second control drum. | 07-16-2015 |
20150219039 | METHOD FOR COATING A BORE AND CYLINDER BLOCK OF AN INTERNAL COMBUSTION ENGINE - A method of producing an enamel coating for a cylinder bore in a cylinder block of an internal combustion engine is provided. The method also provides for coating a cast iron gray cylinder block with an enamel coating. | 08-06-2015 |
Patent application number | Description | Published |
20100171594 | RFID READER DISCIPLINE - A method for coordinating reader transmissions according to one embodiment includes, at a first reader, receiving from a second reader a request to transmit to a radio frequency identification tag; and if the first reader is transmitting, sending a denial of the request from the first reader to the second reader. A method for coordinating reader transmissions according to another embodiment includes from a first reader, sending to a plurality of readers a request to transmit to a radio frequency identification tag; waiting for responses from the plurality of readers; if a denial of the request is received by the first reader from any of the readers, not transmitting to the radio frequency identification tag; and if no denial of the request is received by the first reader from any of the readers, transmitting to the radio frequency identification tag. Additional systems, methods and computer program products are presented. | 07-08-2010 |
20100171598 | RFID DEVICE AND SYSTEM FOR SETTING A LEVEL ON AN ELECTRONIC DEVICE - A system in one embodiment includes an electronic device; and a Radio Frequency Identification (RFID) device in direct electrical communication with the electronic device for selectively setting a voltage or current on the electronic device to one of at least three different levels. A Radio Frequency Identification (RFID) device in another embodiment includes an antenna; a processor in communication with the antenna; and an interface in communication with the processor, the interface being adapted for direct electrical communication with an electronic device for selectively setting a voltage or current on the electronic device to one of at least three different levels. Additional systems and methods are also presented. | 07-08-2010 |
20120223814 | RFID DEVICES, SYSTEMS AND METHODS FOR ACCURATE EQUIPMENT AND ASSET TRACKING - A method according to one embodiment includes conummicating with a radio frequency identification (RFID) tag coupled to a reusable transport item (RTI); and determining whether the RTI has passed a predetermined useful lifetime thereof based on information received from the RFID tag. A method according to one embodiment includes conummicating with a radio frequency identification (RFID) tag coupled to a reusable transport item (RTI); and determining both a horizontal and vertical position of the RTI. A method according to yet another embodiment includes communicating with a radio frequency identification (RFID) tag coupled to a reusable transport item (RTI); and performing an action based at least in part on at least one of a location and a determined inactivity of the RTI. | 09-06-2012 |
20140061315 | RFID TAG WITH REMOTE SENSORS AND/OR REMOVABLE BATTERIES - A system according to one embodiment includes a Radio Frequency Identification (RFID) tag, the RFID tag having a housing; an interface configured for detachable coupling to a connector that is coupleable or coupled to an external module having at least one of a battery and a remote sensor; a controller for processing data derived from an output of the remote sensor; a memory for storing the data derived from an output of the remote sensor and/or the processed data; and an antenna coupled to the controller for enabling backscatter communication. | 03-06-2014 |
20140075572 | RFID SYSTEM WITH SEGMENTED RFID DATA OWNERSHIP - A method according to one embodiment includes receiving data from a radio frequency identification (RFID) tag; receiving waypoint information relating to the RFID tag; setting ownerships of discrete portions of the data based at least in part on the waypoint information; allowing an owner of one of the discrete portions of the data to view the discrete portion of the data owned by the owner, or derivative thereof; and not allowing the owner to view discrete portions of the data that are not owned by the owner. | 03-13-2014 |
20140253297 | RFID SYSTEMS AND METHODS FOR ASSOCIATING IMAGES OF DOCUMENTS WITH RFID TAG-RELATED DATA - A method for associating an image of a document with information relating to a radio frequency identification (RFID) tag, according to one embodiment, includes receiving information relating to an RFID tag, the information including at least one of a trip identifier, an identifier of the RFID tag, an identifier of a transport item, and a document identifier; receiving an image of a document; storing the image of the document; associating the image of the document with the information relating to the RFID tag; and storing the association of the image with the information relating to the RFID tag. | 09-11-2014 |
20150294209 | RFID TAG WITH REMOTE SENSORS AND/OR REMOVABLE BATTERIES - A method according to one embodiment includes mounting a Radio Frequency Identification (RFID) tag on a barrier, and positioning an external module that is coupled to the RFID tag on another side of the barrier. A method according to another embodiment includes detaching a first external module from physical communication with a Radio Frequency Identification (RFID) tag, and attaching a second external module to the RFID tag. | 10-15-2015 |