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Class 123/41.11 - Air impeller


Subclass of Class 123 - Internal-combustion engines
Definition: Devices wherein the primary or secondary coolant is air
No. of patents: 66
Last issue date: 04/05/2011


1    
NumberTitleIssue Date
7918194Cooling 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
7669557Cooling 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
7597070Dual 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
7584722Vehicle 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
7415945Fluid 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
7370902Cowling 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
7363885Combustion 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
7347168Predictive 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
7347167Method 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
7320299Cooling 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
7318510Liquid 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
7316628Two 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
7310959Method 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
7293636Electronically 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
7293535Cooling 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
7284632Air 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
7261196Drive 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
7236876Use 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
7228823Engine-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
7188008System 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
7182047Cooling 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
7137362Bi-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
7134406Cooling 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
7017531Vehicle 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
7004427Retractable 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
6933687Dual 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
6928963Low 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
6923489Motorcycle 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
6910529Vehicle 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
6745727Engine- 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
6604360Exhaust 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
6474274Flywheel 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
6385968Exhaust 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
6305333Air 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
6273034Closed 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
6220207Engine 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
6192838Engine 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
6145479Vertical 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
6142110Engine 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
6109219Cooling control apparatus and cooling control method for internal combustion engines
In an engine control unit, information showing the operation of the non-operation of the cooling fan, information showing the temperature of the coolant flowing out of the engine (1) or other parameters showing the engine operation are supplied. In the en...
08/29/2000
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