Did You Know...
...that the x-ray was discovered purely by accident? When German physicist Wilhelm Konrad von Roentgen was experimenting with cathode rays in 1895, he put an activated Crookes tube in a book and went out to lunch. When he returned, he discovered that a key that had also been placed in the book showed up as an image on the developed film!
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| Number | Title | Issue Date |
| 8196553 | 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 thr... | 06/12/2012 |
| 7918194 | 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 veh... | 04/05/2011 |
| 7669557 | 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 veh... | 03/02/2010 |
| 7597070 | Dual drive radiator fan and coolant pump system for an 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... | 10/06/2009 |
| 7584722 | 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... | 09/08/2009 |
| 7415945 | Fluid actuated fan control method for a vehicle A method of controlling a fluid actuated fan drive system (12) for an engine (14) includes determining an engine speed. The speed of a fluid actuated engine-cooling fan (16) is limited when the engine speed is greater than or equal to an engine ... | 08/26/2008 |
| 7370902 | Cowling structure of motorcycle A cowling structure of a motorcycle having a radiator behind a front wheel, including a cowling which covers a periphery of the radiator from a front side of a handlebar, wherein an opening which extends in the longitudinal direction of the motorcycle is formed in t... | 05/13/2008 |
| 7363885 | Combustion engine having unitary structure of cooling fan and starter pulley A combustion engine according to the present invention has a unitary fan-pulley assembly (F), in which a cooling fan (8) and a starter pulley (9) are formed integrally with each other. The cooling fan (8) is fixed to a crankshaft (1). The... | 04/29/2008 |
| 7347167 | 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 comb... | 03/25/2008 |
| 7347168 | 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 ba... | 03/25/2008 |
| 7320299 | Cooling system for liquid-cooled machines A cooling system for an engine of a lawnmower. The engine has a muffler through which exhaust gases exit the engine and is cooled by a liquid coolant. The cooling system includes a heat exchanger operatively connected to the engine to receive the liquid coolant from... | 01/22/2008 |
| 7318510 | Liquid friction clutch A drive for a cooling fan at motor vehicles including a main cooling circuit and at least one secondary cooling circuit using a fluid friction clutch including a control element for the drive of the cooling fan is described. In case of a plurality of cooling ... | 01/15/2008 |
| 7316628 | Two speed transmission and belt drive system A two speed transmission comprising a planetary gear train comprising an input member connected to an input carrier, the input carrier connected to an input shaft, a sun gear and a ring gear, the input carrier comprising a plurality of planetary members each in mesh... | 01/08/2008 |
| 7310959 | Method for actuating a fan using a plurality of characteristic curves and a control program for controlling the power of the fan The present invention relates to control of a fan during which the power of the fan is determined from the characteristic curves of the fan motor, the operating parameters of the cooling system and the reference variables which are predefined in the form of temperat... | 12/25/2007 |
| 7293636 | Electronically controlled viscous fan drive having cast channels An electronically-controlled viscous fan drive in which the output drive to the fan is electronically controlled by the movement of viscous fluid from a fluid reservoir and into the operating and working chamber of the coupling during normal operation. A radially ba... | 11/13/2007 |
| 7293535 | Cooling module for the engine of a motor vehicle The invention relates to a cooling module for an engine (1) of a motor vehicle. Said cooling module comprises a heat exchanger (4), at least one fan (16) and a coolant pump (8), whereby a modular frame (3) forms an integral part of... | 11/13/2007 |
| 7284632 | Air discharge structure for motorcycles A motorcycle has a radiator disposed forwardly of the eingine, a raditor cover covering the radiator and having an air discharge port for discharging air from the radiator rearwardly of a vehicle body, and side covers disposed in a position facing the air discharge ... | 10/23/2007 |
| 7261196 | Drive assembly with lightweight backstopping clutch The present invention relates to a drive assembly including an adapter that enables the use of a lightweight backstopping clutch with a driven shaft. The adapter is coupled to the driven shaft for rotation therewith and forms a stub shaft smaller than the driven sha... | 08/28/2007 |
| 7236876 | Use of transient data to derive steady state calibrations for dynamic systems A method of identifying target outputs, such as emissions levels, for a dynamic system, such as an engine. The engine is run at numerous combinations of input parameters, such as actual settings. At each combination of input parameters, the system is driven to a “... | 06/26/2007 |
| 7228823 | Engine-driven vehicle cooling device An engine-driven vehicle cooling device includes an engine room for reception of an engine, a radiator provided within the engine room for cooling down a cooling water circulating through the engine, a cooling fan positioned between the engine and the radiator for b... | 06/12/2007 |
| 7188008 | System for controlling the operation of at least one aircraft engine A system for supervising the speed of at least one engine of an aircraft includes three independent information sources determining first, second and third values for an aerodynamic parameter of the aircraft and precision information indicating the precision of thes... | 03/06/2007 |
| 7182047 | Cooling fan system for automotive vehicle A cooling system for an internal combustion engine mounted within a vehicle includes a radiator for rejecting heat to ambient air and an axial fan mounted within a fan shroud associated with a radiator. The fan has a stationary hub equipped with louvers which may be... | 02/27/2007 |
| 7137362 | Bi-assembly spring end cap for vehicle on/off fan drive to improve seal life, reduce vibration input loading to ball bearings and reduce component cost An on/off clutch assembly is disclosed having a two component spring end cap. The spring end cap includes a steel cap portion and a non-metallic portion. The non-metallic portion extends along the entire length of the steel cap portion and is located between the ste... | 11/21/2006 |
| 7134406 | Cooling fan control for improved engine load acceptance The present invention provides a means for momentarily reducing cooling fan load on an engine when a machine encounters sudden loads. The system includes an engine, a load driven by the engine, a cooling system associated with the machine, and one or more controllab... | 11/14/2006 |
| 7017531 | Vehicle intercool system The invention involves a vehicle with a cab. The environment of the cab may be maintained by a heating, ventilation, and air-conditioning (HVAC) system that will provide cool air to the cab in hot weather and warm air to the cab in colder weather. The HVAC system wi... | 03/28/2006 |
| 7004427 | Retractable lifting blades for aircraft A rotor blade assembly for providing vertical lift to an aircraft, having a rotor head and a plurality of blades, with each blade attached to a mechanism such as a cam surface, whereby movement of the mechanism causes the radial distance between the distal tip of th... | 02/28/2006 |
| 6933687 | Dual motor configuration with primary brushless motor and secondary integrated speed control motor A dual motor configuration 10 is provided for driving two fans for moving air to cool an engine. The dual motor configuration includes a primary brushless motor 18 constructed and arranged to be electronically controlled to drive a first fan 16 ... | 08/23/2005 |
| 6928963 | Low drag fan for a ram air induction system A low drag fan assembly is provided which is adapted to be mounted within a ducting conduit of a ram air induction system of a vehicle for cooling a heat exchanger. The assembly includes a motor having an output drive; a motor bracketing system attached to the motor... | 08/16/2005 |
| 6923489 | Motorcycle protective cover A flexible protective cover which attaches over the forward surfaces of a motorcycle. The protective cover includes a central portion and two attached side flaps. The central portion fits over the forward surfaces of the upper cowling. The two side flaps fit over th... | 08/02/2005 |
| 6910529 | Vehicle rooftop engine cooling system A horizontal rooftop engine cooling system includes one or more radiator units horizontally mountable to the rooftop of a bus and including a radiator interconnected to one or more passages of an engine of the bus to allow coolant to flow between the engine and the ... | 06/28/2005 |
| 6745727 | Engine- and vehicle- speed-based engine cooling fan control An engine cooling fan (18) is coupled to an engine (14) of a truck (10) through an electric-operated clutch (20) for selectively placing the cooling fan in driven and non-driven relationship with the engine. A control system (22) p... | 06/08/2004 |
| 6604360 | Exhaust driven engine cooling system An energy recovery system for an internal combustion engine includes a turbocharger unit having a turbocharger turbine receiving exhaust from the engine and a second turbine driven by the exhaust gasses. The second turbine drives an electrical generator. ... | 08/12/2003 |
| 6474274 | Flywheel energy storage system for maintaining fan speed for cooling system A flywheel energy storage system for maintaining fan speed of a cooling fan on an internal combustion engine. The flywheel energy storage system allows a fan to rotate independent of the internal combustion engine and use energy stored in a flywheel for t... | 11/05/2002 |
| 6385968 | Exhaust discharge system with low IR signature The invention concerns an arrangement for a discharge system for combustion gases from a motor-driven vehicle which gives the vehicle a low IR signature. According to the invention, the gas outflow channel (28), at least in an area of the channel adjacent... | 05/14/2002 |
| 6305333 | Air blower apparatus Air blower apparatus (20) in which a fan boss (41) at the rotational center portion of a fan (29) has a recessed form. Meanwhile, the central part of the body portion (21) of the air blower apparatus (20), i.e., a boss portion (38), has a projecting form ... | 10/23/2001 |
| 6273034 | Closed loop fan control using fan motor pressure feedback A method of controlling an internal combustion engine having a variable speed fan includes controlling the variable speed fan with closed loop control based on fan motor hydraulic pressure. A reference fan pressure is based on an applied fan request signa... | 08/14/2001 |
| 6220207 | Engine cooling apparatus In an engine cooling system which includes an intercooler for precooling combustion air supplied to an engine, an oil cooler for cooling a hydraulic working fluid for use in a hydraulic excavator, a radiator for cooling cooling water supplied to the engin... | 04/24/2001 |
| 6192838 | Engine cooling apparatus An engine cooling apparatus suitable for use in a vehicle shortens engine warm-up time without decreasing the heat-radiation capacity of a radiator. A shroud is disposed between a radiator and a water-cooled engine. A first air passage for blowing air tow... | 02/27/2001 |
| 6145479 | Vertical shaft engine cooling apparatus The present invention provides a cooling apparatus for use with a liquid cooled vertical shaft internal combustion engine with a centrifugal fan having a central axis which is driven by the engine vertical shaft. A radiator having a coolant passing theret... | 11/14/2000 |
| 6142110 | Engine having hydraulic and fan drive systems using a single high pressure pump An engine comprises a hydraulic system attached to an engine housing that includes a high pressure pump and a hydraulic fluid flowing through at least one passageway. A fan drive system is also attached to the engine housing and includes a hydraulic motor... | 11/07/2000 |
