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3M employee and church chorister Art Fry needed something to temporarily mark pages in his hymnal. He was in luck because his colleague, Spencer Silver, accidentally developed a glue that was too weak for other purposes. After initially discouraging consumer response, Post-it Notes became a hit in 1979.
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| Application No. | Application Title | Issue Date |
| 20110220042 | COOLING APPARATUS FOR WATER-COOLED ENGINE AND METHOD OF CONTROLLING COOLING APPARATUS FOR WATER-COOLED ENGINE A cooling apparatus for a water-cooled engine includes a radiator that cools coolant that has been circulated in the engine; a radiator fan that delivers air to the radiator; a determination portion that determines whether the engine is operated under a high load; and a... | 09/15/2011 |
| 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 |
| 20110011356 | Fan Drive Controlling Device and Construction Machine A fan drive control device includes: a hydraulic motor driving a cooling fan by a hydraulic oil supplied from a hydraulic pump driven by an engine; a flow rate adjuster adjusting a flow rate of the hydraulic oil flowed into the hydraulic motor; a temperature sensor dete... | 01/20/2011 |
| 20100107997 | Cooling device for vehicle A cooling device for a vehicle is provided at a vehicle comprising an engine control unit which stops an engine due to establishment of engine stoppage conditions and restarts the engine due to establishment of engine restart conditions. The cooling device for a vehicle... | 05/06/2010 |
| 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 r... | 04/08/2010 |
| 20100064991 | CONTROL DEVICE FOR COOLING FAN FOR VEHICLE A cooling-fan control device for a vehicle that increases the cooling capacity of a cooling oil that cools a brake rapidly and inhibits a brake damage in a case where the brake is applied during traveling or, in addition to the above-described problem-to-be-resolved, su... | 03/18/2010 |
| 20090241865 | Electric cooling fan control based on known vehicle load conditions A method of controlling a cooling fan for an engine of a vehicle may entail determining an engine coolant temperature, providing a normal load operation mode for the cooling fan and a high load operation mode for the cooling fan, determining whether a tow-haul operation... | 10/01/2009 |
| 20090236089 | Controlling Temperature of Vehicle Devices Using a Variable Speed Fan A method for controlling a fan in a vehicle includes comparing the current temperature of at least a first device and a second device to multiple temperature ranges for each of said devices and determining on the basis of said comparisons whether fan speed should be cha... | 09/24/2009 |
| 20090194045 | DUAL DRIVE RADIATOR FAN AND COOLANT PUMP SYSTEM FOR INTERNAL COMBUSTION ENGINE A dual drive radiator fan and coolant pump system for a liquid-cooled reciprocating internal combustion engine includes a coolant pump with an impeller shaft driven by a first drive extending between the engine's crankshaft and a pump pulley and hub mounted upon the imp... | 08/06/2009 |
| 20090159021 | COOLING FAN ARRANGEMENT AT A VEHICLE A radiator fan arrangement for a vehicle which is powered by a combustion engine. The radiator fan arrangement includes at least one cooling element for cooling a medium, and a first radiator fan for continuously generating a forced air flow through at least one first r... | 06/25/2009 |
| 20090151660 | VAPORIZATION REDUCTION CONTROL SYSTEM AND METHOD FOR A VEHICLE A system for controlling a fan in a vehicle comprises an ambient temperature module that generates an ambient temperature enable signal when ambient temperature is within a vaporization window. An engine component monitoring module that generates a vaporization temperat... | 06/18/2009 |
| 20090145376 | Control Device for Hydraulically Driven Fan A control device for a hydraulically driven fan is provided with a cooling fan which is rotated by a hydraulic motor and carries out ventilation for cooling a working fluid. Further, the control device for the hydraulically driven fan is provided with a sensor for detec... | 06/11/2009 |
| 20090107424 | System and Method for Controlling the Temperature of the Engine Oil of an Internal Combustion Engine of a Motor Vehicle A system and method for controlling the temperature of the engine oil of an internal combustion engine of a motor vehicle are provided. The system includes an engine oil circuit for controlling the temperature of the engine oil, which engine oil circuit includes the int... | 04/30/2009 |
| 20090025661 | COOLING FAN DRIVE SYSTEM FOR TRAVEL TYPE WORKING MACHINE In a cooling fan drive system for a travel type working machine, the rotational speed of a cooling fan is controlled to the optimum rotational speed in accordance with temperature increase of the temperature of an engine cooling water, and the engine rotational speed is... | 01/29/2009 |
| 20080295786 | VARIABLE SPEED FAN DRIVE The invention relates to a variable speed fan drive. There is a need for a variable speed fan drive with fewer seals and bearings, which is operated by system hydraulic pressure, which has fewer parts and which is simpler to assemble. A variable speed fan drive is provi... | 12/04/2008 |
| 20080282999 | ENGINE FAN CONTROL METHOD AND APPARATUS A thermal control system for an engine and/or peripheral components is disclosed wherein a fan may be actively coupled and decoupled from an engine's shaft based on a sensed parameter such as engine temperature, alternator temperature and/or supply fuel temperature. In ... | 11/20/2008 |
| 20080257286 | Arrangement for Cooling an Internal Combustion Engine of a Motor Vehicle, in Particular Cooling Module The invention relates to an arrangement for cooling an internal combustion engine of a motor vehicle, in particular a cooling module (1), comprising an air-guiding device (7, 6) for air guidance having an overall flow cross section, at least two heat excha... | 10/23/2008 |
| 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 |
| 20070261648 | 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 ... | 11/15/2007 |
| 20070129874 | System and method for providing cooling protection for an engine A method and system for controlling the temperature of an engine system is disclosed. The method and system comprise measuring a coolant temperature of the engine system; measuring noise factors of the engine system; and controlling components of the engine system to pr... | 06/07/2007 |
| 20070006827 | Sump for cooling package air intake housing of an agricultural machine An apparatus is configured for supplying air to a cooling package for an internal combustion engine that powers an agricultural machine. The apparatus includes an air intake housing defining an air intake opening and a sump. The sump has a wall and a port. A gating devi... | 01/11/2007 |
| 20070006826 | Propulsion system and method for optimising power supply to the cooling system thereof A drive train system having a driving engine that has a cooling system for cooling the driving engine is provided. The cooling system has a coolant circuit, a cooling device, and a fan that is associated with the cooling device and that is in driveline connection with t... | 01/11/2007 |
| 20070006824 | CONTROLLING SYSTEM FOR COOLING FAN A controlling system for a cooling fan according to the present invention includes a fluid-pressure motor for driving the cooling fan; a fluid-pressure pump functioning as a driving source for the fluid-pressure motor; and a controller. The controller determines a targe... | 01/11/2007 |
| 20060213458 | Drill rig and a method for controlling a fan therein In a method for controlling at least one fan (13) for the regulation of the cooling demand of at least two cooling elements (12) included in a drill rig (1), the cooling demand of each one of the cooling elements (12) being determined, that t... | 09/28/2006 |
| 20060196452 | APPARATUS AND METHOD FOR COOLING ENGINE COOLANT FLOWING THROUGH A RADIATOR An apparatus and method are provided for facilitating the cooling of engine coolant flowing through a radiator operatively connected to the engine of an engine-driven, electrical generator set. The engine has a crankshaft rotatable about a first axis and a radiator havi... | 09/07/2006 |
| 20060191500 | Method for controlling cooling fans A method for controlling a cooling system for an internal combustion engine having first and second cooling fans is provided, comprising operating the first cooling fan at a first rotational frequency which is greater than a combustion frequency of the internal combusti... | 08/31/2006 |
| 20060185626 | Thermal management system and method for a heat producing system A vehicle thermal management system includes a temperature control fluid for controlling the temperature of at least a portion of a vehicle system. A pump is configured to pump the temperature control fluid through a heat exchanger to facilitate the transfer of heat bet... | 08/24/2006 |
| 20060180102 | Extended fan run-on The invention relates to a fan run-on control which takes into account the energy input into the combustion engine in order to calculate the required run-on time of the fan. If the characteristics of the fan are known it is possible to calculate the required fan run-on ... | 08/17/2006 |
| 20060124081 | REVERSE FAN OPERATION FOR VEHICLE COOLING SYSTEM A system for reducing the time that it takes a vehicle fuel cell engine to reach its operating temperature at vehicle start-up. The system includes a radiator and a fan, where a cooling fluid from the engine is directed through the radiator where it is cooled by airflow... | 06/15/2006 |
| 20060096554 | Control method for external control type fan clutch A method is provided for controlling an external control type fan clutch. The method controls the On/Off of an electromagnet-activated valve for an oil feed adjusting hole. The method uses a PID control on the basis of radiator cooling liquid temperature, fan speed, tra... | 05/11/2006 |
| 20060070588 | Variable speed fan drive A variable fan drive for a vehicle powered by an internal combustion engine is provided. A drive side assembly utilizes a hydraulic actuator to actuate a variable sheave assembly. The variable sheave assembly drives a sheave assembly of a driven side assembly by way of ... | 04/06/2006 |
| 20050284423 | Engine cooling apparatus It is an object of the invention to provide an engine cooling apparatus that that cools an engine according to an operation state of an engine driven work machine. The invention provides an engine cooling apparatus that is adapted to, in an engine drive work machine inc... | 12/29/2005 |
| 20050268867 | METHOD AND APPARATUS FOR REDUCING FAN NOISE IN AN ELECTRICAL GENERATOR A method is provided for cooling an engine driven, electrical generator set and for reducing the fan noise associated with operation of the same. The method includes positioning a fan on the first side of the radiator. The temperature adjacent a first side of the radiat... | 12/08/2005 |
| 20050081801 | Cooling system for an internal combustion engine of a motor vehicle The invention relates to a cooling system in which the fan output is determined by an output control from the characteristic curves of the fan motor, the operating parameters of the cooling system and the reference input variables predetermined in the form of temperatur... | 04/21/2005 |
| 20050066914 | SYSTEM AND METHOD FOR CONTROLLING FAN ACTIVATION BASED ON INTAKE MANIFOLD AIR TEMPERATURE AND TIME IN AN EGR SYSTEM A method for controlling at least one engine cooling fan for a compression ignition internal combustion, the method includes turning on the at least one cooling fan when an intake manifold air temperature is equal to or greater than a predetermined turn-on threshold tem... | 03/31/2005 |
