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| Application No. | Application Title | Issue Date |
| 20120017856 | SYSTEMS AND METHODS FOR AVOIDING RESONANCES EXCITED BY ROTATING COMPONENTS A system for operating a rotating component. The system includes a rotating component, a motor driving the rotating component, a sensor detecting a stimulus related to the rotating component, and a controller. The controller receives an indication of the magnitude of th... | 01/26/2012 |
| 20110209676 | ELECTRO-HYDRAULIC PRESSURE CONTROL FAN DRIVE SYSTEM WITH ELECTRICAL FAILURE MODE OPERATION A fan drive system is provided that is hydraulically controlled having an electrical failure mode wherein midrange operation of the fan drive system is maintained. Accordingly, in the failure mode, a fan drive system hydraulic relief valve is not closed thereby ensuring... | 09/01/2011 |
| 20110203539 | COOL LOGIC WITH AN INTEGRATED COOLER INTO THE CLUTCH/ENGINE BASE A hydraulically controlled fan drive system is provided including a housing containing a hydraulic fluid, a pulley connected to the housing a fan shaft rotatably mounted to the housing by a hydraulically actuated clutch, a piston mounted within a piston housing for actu... | 08/25/2011 |
| 20110203538 | CONDENSER FAN CONTROL SYSTEM A method of controlling a fan for cooling a condenser in an air conditioning system is provided. A compressor serves to drive a refrigerant around a fluid circuit which includes the condenser. The duty cycle of the compressor is measured over a period of time to determi... | 08/25/2011 |
| 20110132292 | COOLING FAN CONTROL Methods and systems are provided for reducing aerodynamic drag on a moving vehicle. One example method comprises, during a first vehicle moving condition, operating the cooling fan, and during a second vehicle moving condition, selectively applying a braking torque on t... | 06/09/2011 |
| 20100326376 | METHOD AND ARRANGEMENT FOR CONTROL OF COOLING AND AN ENGINE Method for control of cooling by means of an air flow configuration of a motor vehicle's cooling fan (1) whereby at least one cooling device (2;2′,2′), e.g. a radiator (2) for radiator liquid and a cooler (2′) for charge air for the eng... | 12/30/2010 |
| 20100107996 | WORK VEHICLE AND CONTROL METHOD FOR WORK VEHICLE A work vehicle is provided with an engine, a traveling device driven by driving force from the engine to cause the work vehicle to travel, a first hydraulic pump driven by the driving force from the engine to discharge hydraulic oil, and a cooling device having a coolin... | 05/06/2010 |
| 20090266313 | FAN SYSTEM AND A METHOD FOR CONTROLLING A FAN MOTOR The invention relates to a fan system for a controllably cooling a vehicle internal combustion engine comprising an electric fan motor and a control unit for controlling said fan motor, wherein said control unit controls the fan motor according to a regulation correctin... | 10/29/2009 |
| 20090188450 | SERIES ELECTRIC-MECHANICAL WATER PUMP SYSTEM FOR ENGINE COOLING A cooling system for an internal combustion engine of a motor vehicle having a rotating member and using coolant in a liquid cooling system, is provided that comprises a radiator for dissipating the heat from the coolant, an electric pump for pumping the coolant through... | 07/30/2009 |
| 20090165736 | Cooling unit A cooling unit includes a motor, a driving shaft, a first fan, a second fan, and a fan shroud. The driving shaft extends from the motor and is disposed parallel to a core of a heat exchanger. The first fan is disposed to oppose the core for generating air for cooling th... | 07/02/2009 |
| 20090159020 | Damage Protected Motor Vehicle Fan Generally disclosed and claimed is an non-belt driven motor vehicle cooling fan having an interruptible driving force such as electrical or hydraulic driving force. More specifically disclosed is a vehicle cooling fan having an driving force interrupted when the vehicle... | 06/25/2009 |
| 20090164084 | SYSTEM AND METHOD OF FAN CONTROL A method to operate a vehicle equipped with an electronic controlled internal combustion engine. The engine fan is used as a dynamic fan brake when the vehicle exceeds a minimum predetermined operating parameter for a predetermined period of time, and is disabled once t... | 06/25/2009 |
| 20090120386 | Control Apparatus and Control Method for Hydraulically Driven Cooling Fan An invention relating to a control apparatus and a control method for a hydraulically driven cooling fan for reducing the peak pressure produced upon reversing the switch position of a switching valve, without stopping an engine, and without greatly modifying existing h... | 05/14/2009 |
| 20090064946 | FAN DRIVE DEVICE The invention relates to a fan drive device (1) for driving at least one fan impeller (2), comprising at least one first drivable coolable housing element (9, 10) with at least one output disc (13) which can be connected to the at least one d... | 03/12/2009 |
| 20090007856 | Control Device for Vehicle, Control Method for Vehicle, and Method for Estimating Power Consumption of Cooling Fan Along with a rotational speed sensor being fitted to the crank shaft of an engine, a rotational speed sensor is fitted to a cooling fan; and the energy consumption of the cooling fan is estimated by using a map based upon an engine rotational speed (a pulley rotational ... | 01/08/2009 |
| 20080236981 | SMART FAN CLUTCH Systems, methods and devices for the control of fans are presented. More specifically, embodiments of the present invention relate to a fan clutch control unit for a vehicle fan. The fan clutch control unit executes a control loop section and a strategy section to provi... | 10/02/2008 |
| 20080202453 | Electronic Module Fox A Fan Of An Internal Combustion Engine In A Motor Vehicle The invention relates to an electronic module (2) for a fan or a cooling air blower of an internal combustion engine in a motor vehicle. According to the invention, the electronic module (2) comprises at least one deformable element (12, 28, 68), wh... | 08/28/2008 |
| 20080121195 | VEHICLE ENGINE SYSTEM The invention relates to a vehicle engine system. The engine system includes an internal combustion engine, a cooler of a cooling circuit, an electric generator driven by the engine from a side of the engine which is other than that which faces the cooler, and a fan for... | 05/29/2008 |
| 20070272173 | Predictive auxiliary load management (PALM) control apparatus and method An improved vehicle cooling system is disclosed having the capability of controlling various thermal components of the system to effectively control the heating and cooling of an engine of the vehicle based on instantaneous vehicle and ambient conditions and also based ... | 11/29/2007 |
| 20070266964 | METHOD AND ARRANGEMENT FOR COOLING A VEHICLE ENGINE WHILE HEATING THE VEHICLE CAB Method for cooling in a motor vehicle comprising: cooling at least the vehicle engine by a liquid-based cooling system in which coolant is cooled by air in a first heat exchange element which is by the vehicle radiator; heating the cab of the motor vehicle by heating ai... | 11/22/2007 |
| 20070022979 | Coolant pump for internal combustion engine An internal combustion engine relies on a liquid coolant to dissipate heat that is produced by combustion within the engine. A coolant pump, which is driven by the engine itself, circulates the coolant through passageways in the engine. The pump includes a clutch such a... | 02/01/2007 |
| 20060288967 | Method of engine cooling This invention relates to a method of cooling an engine for an automobile. The method operates using a predictive, feed-forward element combined with a fuzzy logic feedback controller to achieve accurate control over engine temperature. The fuzzy logic feedback is only ... | 12/28/2006 |
| 20060196720 | Hydraulic steering system with input horsepower limiting circuit and increased fan speeds at low engine RPM A hydraulic system that provides hydraulic fluid to a power steering system of a vehicle at a substantially constant flow rate and can also divert excess hydraulic fluid to the air cooling fan of an associated vehicle at low engine speeds is disclosed. The resulting hyd... | 09/07/2006 |
