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variable pitch radiator fan

But Bettencourt also teaches other locations, such as an oil cooler, the engine radiator, A system of relays, switches and solenoids are used to define the operating logic of the system.

See column 12, lines 61-67. For more information, visit www.flexxaire.com, The Airscrew range of aluminium axial flow fan impellers complements the other impellers available from Air Radiators. The very significant power savings, reliability, and negligible maintenance requirements are a reality to owners and operators in schools, hospitals, office buildings, theaters, automotive plants, mines, glass works, tunnels, and many other commercial and industrial applications throughout the world.Using the same fan design American Fan also offers this fan as our High Performance Axial Fan. adjusting the pitch angle to provide a flow of air from the radiator to the power plant of the motor vehicle when a speed of the motor vehicle increases. 6,729,844 to Bettencourt and assigned to the inventor, is directed to a control system for a cooling fan with variable pitch blades. fans pitch variable impellers series fan To complete our cooling solutions Air Radiators has an extensive range of Axial Fans and Impellers to optimise performance. Fax: +1 519 275 3995, cleanfix-ca@cleanfix.org In another aspect, the first fan and the second fan are disposed between the radiator and a power plant associated with the motor vehicle. Learn if Flexxaire is the best fit for your application. Fan blades move between 0 and 40 based on inputs from a control system that is continuously monitoring engine fluid temperatures. A Variable Pitch Engine Cooling Fan - Acamp. towers unbranded variable pitch outer diameter cooling fan use Moreover, in the figures, like reference numerals designate corresponding parts throughout the different views. The wax expands within a fixed temperature range, thereby moving a small piston, which changes the angle of the blades from flat to steep. In another aspect, the control system receives vehicle speed information related to vehicle speed, and uses the vehicle speed information to control the blade pitch of the second fan. reversing cleanfix fan fans Rather than focusing on varying the pitch of the blades, Flexxaire has created a variable pitch engine cooling fan system that understands when and how the pitch should change to maximize your engines performance.

In another aspect, the control system receives vehicle speed information related to vehicle speed, and uses the vehicle speed information to control the blade pitch of the first fan. tyc condenser

High-quality glass-filled PAG (nylon) material allows for high temperature that ranges from -40C to 110C as well as high tip speed, i.e. browning In another aspect, the air temperature sensor is disposed between the radiator and the exterior surface. In another aspect, the invention provides a method for adjusting a pitch angle of a fan blade for use in conjunction with a radiator in a motor vehicle comprising the steps of: adjusting the pitch angle to block a flow of air from the radiator to a power plant of the motor vehicle when temperature information received by a sensor is below a predetermined level; and adjusting the pitch angle to provide a flow of air from an exterior surface to the radiator when a speed of the motor vehicle increases. This category only includes cookies that ensures basic functionalities and security features of the website. The control system can change the blade pitch based on a number of factors, including vehicle speed.

The elastic CLEANFIX Flex-Tips on the blade-tips increase the flow of the CLEANFIX SC by 8-15%, and can also reduce the fan speed and therefore additionally save fuel. In another aspect, an initial pitch angle is set to block air to the power plant when the temperature information is below a predetermined level. We also use third-party cookies that help us analyze and understand how you use this website. In another aspect, the invention provides a method for adjusting a pitch angle of a fan blade for use in conjunction with a radiator in a motor vehicle comprising the steps of: adjusting the pitch angle to provide a flow of air from a power plant associated with the motor vehicle to the radiator of the motor vehicle when temperature information received by a sensor is above a predetermined level; and adjusting the pitch angle to provide a flow of air from the radiator to the power plant of the motor vehicle when a speed of the motor vehicle increases. Are you sure you want to delete your template? wherein the control system can vary the blade pitch of the first fan and can also independently vary the blade pitch of the second fan. sbc 3000cfm In McCallum, the fan is directly coupled to the engine and the fan speed is proportional to engine speed. cleanfix reversible dimension sheet radiator cleaning fans truck fan Any cookies that may not be particularly necessary for the website to function and is used specifically to collect user personal data via analytics, ads, other embedded contents are termed as non-necessary cookies. WingFan products are used in a wide variety of applications with a strong link to Air Radiators for heat exchanger applications.

This is all performed without the need of complicated electronics and wiring harnesses or even hydraulic/air control systems. aerofan ventora All of these manufacturers either include CLEANFIX fans as a standard or optional application in their product offering. Energy XPRT How do Flexxaire reversing fans work? You have already flagged this document.Thank you, for helping us keep this platform clean.The editors will have a look at it as soon as possible.

Our innovative ventilators help to prevent problems associated with overheating and engine inefficiencies. One happy customer - J B Barrett Tractors delivering a new Deutz Fahr 5125 complete with a matching Stoll FZ 20. fans pitch variable impellers series fan Up to 6 Radiators (Water, Hydraulics, Inter, Cleanfix + Reversible Fans + Umschaltventilatoren + Ventilator + Clean Radiator + Fuel Saving - Video. Flexxaire TAC fans and TAC controls offer infinitely variable pitch. Complete tube axial assemblies comprising of: WingFan Australia is a locally owned distributor for the global WingFan product. Am Niederfeld 13

Out of these cookies, the cookies that are categorized as necessary are stored on your browser as they are essential for the working of basic functionalities of the website. Only this CLEANFIX patented system results in high pressure airflow in both fan modes. The control system of Palmer is responsive to one or more operational parameters and a second signal related to a cooling requirement. Controller. ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:ROBINSON, JAMES S.;REEL/FRAME:021807/0061, PATENT EXPIRED DUE TO NONPAYMENT OF MAINTENANCE FEES UNDER 37 CFR 1.362, MOTOR VEHICLE HAVING A NEW IMPLANTATION OF ITS AEROTHERMAL MODULE, Vehicle having a component cooled by means of a cooling air mass flow, Front structural component of a motor vehicle, METHOD FOR CHECKING THE ANGLE OF INCLINATION OF THE BLADES OF AN ENGINE COOLING FAN, Drive motor ventilation device, in particular train vehicle drive motor, and associated vehicle, Cooling module with axial fan and flow deflection region for vehicles, Thermal management system, vehicle and related method, Robotic heliostat calibration system and method, system to control multiple solar surfaces, Solar tracking system employing multiple mobile robots, Internal combustion engine with fan system, Pusher airflow for work vehicle cooling system, Directed gas systems for improving aerodynamics of a vehicle in cross wind conditions, MOTOR FAN GROUP EQUIPPED WITH A MOTOR VEHICLE, Axial fan drive and hub assembly for evaporative cooling equipment, Method and apparatus for controlling a coolant circuit thermally coupled to a power electronics device, Vehicles incorporating cooling drag reduction systems and methods, Monitoring system for non-ferrous metal particles, Gas turbine engine with short inlet and blade removal feature, Dynamic fan speed control for aerodynamic drag reduction, System and method for feathering an aircraft propeller, Fan assembly, control method of fan assembly and vehicle, Method for controlling an airflow shutoff device, Distributed cooling system for a work machine, Hub construction for variable pitch propellers, Position and control system for helicopter blade actuation, Variable pitch propeller blades, hub and drive and adjusting mechanism therefor, Electromechanical apparatus for varying blade of variable-pitch fan blades, Propeller pitch change machanism with inductive brake and motor, Variable pitch sheave assembly for fan drive system, Motor for driving a propeller including a phase adjuster, Dual motor configuration with primary brushless motor and secondary integrated speed control motor, Energy recovery system for moving vehicle, Fan blades having variable pitch compliantly responsive to a linear actuator, Plural motor fan system with improved speed control, Airflow ejector for an automotive vehicle, Total cooling assembly for I.C. This website uses cookies to improve your experience. In another aspect, the air temperature sensor is disposed between the fan and a power plant of the motor vehicle. McCallum also does not teach the concept of using an independent fan speed.

Medical XPRT We provide turnkey solutions or assist you to integrate our system into an existing controller. The controls are completely reliable: CLEANFIX thermal actuators. Doesnt look bad for 7 years old! Spotted at Stockton!! Also, various modifications and changes may be made within the scope of the attached claims. regulation, of pumps, pumping installations or systems, Control, e.g. In another aspect, the temperature information is related to coolant temperature. Flexxaires in motion variable pitch hub allows the fan blade pitch to be adjusted at any fan speed. This website uses cookies to improve your experience while you navigate through the website. The system can be as simple as reversing the airflow or as complex as temperature-driven pitch control. No. While various embodiments of the invention have been described, the description is intended to be exemplary, rather than limiting, and it will be apparent to those of ordinary skill in the art that many more embodiments and implementations are possible that are within the scope of the invention. All joints are sealed with high-quality O-rings. For more than 40 years, customers have trusted WingFan to deliver up-to-date solutions.

Our multi-patented reversing fan solutions clean radiators, contribute to optimal cooling and extend the lives of machines in high-dust environments. Finally, the related art fails to teach the concept of providing a circulation effect or mode where the blade pitch of two fans is opposed. The dealer applauded the Loader for its excellent view positioning inside of the tractor cab. These cookies will be stored in your browser only with your consent. Cause: Higher fuel consumption because of clogged radiators and screens. reversing cleanfix fan fans Flexxaire controls are flexible, feature-rich, robust, and integrate seamlessly with onboard electronics. pitch fan adjustable vaneaxial fpb series inquiry Be the first to review!

Fans are produced at Flexxaires world-class Canadian facility, using state-of-the-art modeling and simulation tools to ensure an elevated quality of design and execution. axial pitch fans fan company american All joints are sealed with high-quality O-rings. Environmental XPRT is a global environmental industry marketplace and information resource. In another aspect, the control system causes the blade pitch of the first fan to assume a position whereby air is pushed towards the radiator from the first fan, and the control system also causes the blade pitch of the second fan to assume a position whereby air is pulled from the radiator to the second fan, thus creating a circulation air flow.

It is mandatory to procure user consent prior to running these cookies on your website. pitch fans overheating costly plugged shutdowns radiators reduce due engine DE-73614 Schorndorf, Phone: +49 7181 96988-0

And, like our JM axial fan, the impeller and blades are inspected using real-time radiography, assuring their high quality for you. Agriculture XPRT For more information, visit www.wingfan.com.au. regulation, of pumps, pumping installations or systems by varying geometry within the pumps, e.g. PATENT EXPIRED DUE TO NONPAYMENT OF MAINTENANCE FEES UNDER 37 CFR 1.362. 6,644,922 to McCallum et al. Designed to withstand exposure to debris and caustic fluids, vibration up to 20Gs and temperatures between -40 to 120C, the Pitch Sensor is designed to last longer than the engine. The variable pitch sheave assembly is used to control the speed of a fan that is used to cool an engine driven electrical generator. Email: info@lynx-engineering.co.uk. adjusting the pitch angle to block a flow of air from the radiator to a power plant of the motor vehicle when temperature information received by a sensor is below a predetermined level; and. The related art also fails to teach a control system capable of independently controlling two or more radiator fans. It provides total control of airflow, keeps radiators clean, maximises engine performance, saves fuel, and is robustly built and maintenance free. Up to 60% of power can be saved with a flat blade angle. In those embodiments where control system, By separately controlling the characteristics of each fan, control system, This circulation mode, where fans create air flow towards one side of power plant, Other circulation modes can also be created by control system, Preferably, the circulation mode shown in. In another aspect, the method provides a step of independently adjusting a second pitch angle associated with a second fan. Featuring Howden American Fan Company, Garden City Fan, and Joy Fan, Find more information on: Axial FansCentrifugal FansBlower Fans. engine-powered vehicles, Method and apparatus for absorbing acoustic energy, Control system for cooling fan assembly having variable pitch blades, Reverse fan operation for vehicle cooling system, Motor vehicle comprising a novel arrangement of its thermo-aerodynamic module, Method for controlling the pitch angle of blades of an engine cooling fan, Ventilation device for drive motor, in particular a drive motor of a railway vehicle, and associated vehicle, Combination condensation radiator fan module and braking cooling duct cover plate system, METHOD FOR MONITORING THE OPERATION OF A CLOSURE, Control of a shutter via bi-directional communication using a single wire, Electrically propelled vehicle having electric sound-producing blower/cooler, Internal combustion engine total cooling control system, System and method for controlling a shutter in a vehicle via a cooling fan duty-cycle, Reconfigurable baseline opening for under-hood airflow, Fan control system and method for simultaneous use of heat transfer device and engine enclosure ventilation, Variable velocity controlling apparatus of cooling fan and controlling method thereof, System and method for engine cooling system, Cooling device for vehicular internal combustion engine, Apparatus of variable area intake by speed sensing for a vehicle, Lapse for failure to pay maintenance fees, Information on status: patent discontinuation, Lapsed due to failure to pay maintenance fee.

While the related art teaches various blade pitch control systems, the related art fails to teach a blade pitch control system that is responsive to a number of environmental or operating conditions including vehicle speed. Online product catalogs, news, articles, events, publications & more. 20,000 FPM. The fan disclosed in McCallum can be used in combination with earth moving equipment including engines made by Caterpillar, Inc. See column 1, lines 16 and 17. and assigned to Flexxaire Manufacturing, Inc., is directed to a variable pitch fan. blade fan series av pitch fans variable automatic industrial global market industry forecast analysis trends ask diameters

Accordingly, the invention is not to be restricted except in light of the attached claims and their equivalents. sbc 3000cfm Environmental XPRT is part of XPRT Media All Rights Reserved. Flexxaires TAC systems easily allow TAC fans to change direction to purge debris from the radiator. pitch fan variable blade gamato emission requirements. adjusting the pitch angle to provide a flow of air from a power plant associated with the motor vehicle to the radiator of the motor vehicle when temperature information received by a sensor is above a predetermined level; and. One of the bigger problems with operating in winter months is the possibility of overcooling your engine. Electronic control device, The temperature parameter is coupled to the engine block. a radiator disposed proximate the exterior surface, the radiator also being disposed between the exterior surface and a first fan and a second fan; the first fan aligning with a first portion of the radiator and the second fan aligning with a second portion of the radiator; a control system in communication with the first fan and the second fan; and. McCallum, however, does not teach or render obvious the concept of changing the pitch of a fan in response to vehicle speed or motion including idle, forward motion or reverse motion. No. Flexxaires in motion variable pitch hub allows the fan blade pitch to be adjusted at any fan speed. They utilise high Long Buckby, In Kern, the term variable pitch is not used to describe the pitch of the propeller blades of the fan, but rather the pitch or spacing of a sheave pulley assembly. ventilator ventilation Other systems, methods, features and advantages of the invention will be, or will become, apparent to one of ordinary skill in the art upon examination of the following figures and detailed description. www.desertengineering.co.uk.

In one aspect, the invention provides a motor vehicle comprising: a chassis; a passenger portion configured to receive at least one passenger; an exterior surface; a radiator disposed proximate the exterior surface, and in between the exterior surface and a fan; the fan including a hub and at least one fan blade, the fan blade being variable pitch and capable of assuming a plurality of different pitch angles; a pitch change mechanism configured to control the angle of the fan blade; a control system in communication with the pitch change mechanism; and wherein the control system receives vehicle speed information related to vehicle speed, and uses the vehicle speed information to control the pitch change mechanism. +Boosts productivity.

The smart fan system can also function automatically to provide Total Airflow Control (TAC). An explainer for the CLEANFIX reversible fan. The Airscrew family offers a modular construction and fixed adjustable pitch, which provides a robust, high quality and efficient product suitable to a wide variety of applications and industries. The smart systems can be programmed to purge at automatic intervals or purging can be done manually with the touch of a button. Perfect Pitch Sensor provides accurate pitch feedback and is designed to last longer than the engineoperating up to 20Gs of vibration, from -40 to 120C temperatures and exposure to debris and caustic fluids. The components in the figures are not necessarily to scale, emphasis instead being placed upon illustrating the principles of the invention. Necessary cookies are absolutely essential for the website to function properly. Since the Cleanfix VP automatically adjusts its blades, it also regulates its power consumption, depending on cooling requirements.

www.facebook.com/Everythingbutthetractor/, FLEXXAIRE Reversing Fan/Radiator Cleaning Systems. When diesel engines run below recommended operating temperatures, there is a high possibility of combustion contaminants to enter the engine crankcase which can contaminate the engine oil resulting in piston ring and valve guide wear. www.cleanfix.org, Desert Engineering Ltd. Biological Oxygen Demand (BOD) Monitoring, More about Revolutionizing Engine Cooling System. Airscrew impellers are ideal for use in installations requiring large volumes of airflow, at low to medium pressure. The present invention relates generally to variable pitch radiator fans, and in particular to a control system for a variable pitch radiator fan. Privacy, Our sites:

To change the Cleanfix fan from a pusher type to a puller type fan, you simply turn 2 (opposite) fan blades and all the remaining blades will follow. In another aspect, the speed of the motor vehicle increases from zero to a forward speed. Performing this action will revert the following features to their default settings: Performing this action will permanently remove your draft from Yumpu.

The Flexxaire Variable Pitch Engine Cooling Fan System provides total control of airflow, keeps radiators clean, maximizes engine performance, saves fuel, and is robustly built and maintenance-free. No. Flexxaires high-performance reversible fan blades are designed Stratford, Ontario, Canada Palmer discloses several different embodiments. In systems with a plurality of fans, the control system is also capable of independently controlling the blade pitch of each of the fans. In another aspect, the control system adjusts the pitch change mechanism to provide air flow from the radiator towards the fan as the motor vehicle speed increases. The benefit: Further fuel saving and a reduction of the drive power of the fan by up to 60%. CLEANFIX has three global engineering and manufacturing sites and serves customers in more than 25 countries. Flexxaires reversible fan blades are designed and built for extreme conditions and high performance. In another aspect, the control system receives vehicle speed information related to vehicle speed, and uses the vehicle speed information to control the blade pitch of the first fan to reverse an airflow direction and provide a flow of air from the radiator to the fan as the vehicle speed increases. Terms In a preferred embodiment, control system, All of the following ports and provisions associated with control system. All Rights Reserved. This sheave pulley system is shown in, U.S. Pat. CA-N4Z 1H3, Phone: +1 519 275 2808 The design of the blade shape is optimized to deliver maximum airflow and high static pressures needed to meet Tier IV emission requirements.

In another aspect, the control system adjusts the pitch change mechanism to provide air flow from the fan and towards the radiator when a motor vehicle speed is approximately zero. The CLEANFIX VP can also be retrofitted with an ad Cleanfix - Clean Radiators Save Fuel - Brochure. coimbatore

ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:ROBINSON, JAMES S.;REEL/FRAME:021807/0061, Free format text: Designed with a unique taper locking boss system, (Ezi-Lok), the fan impeller is easy to apply and utilize across many cooling system and ventilation applications. from -40C to 110C and to achieve a high tip speed of up to Via Cassino DAlberi, 16 20067 Tribiano (MI) Italy, Linea Archimede Turrets- Models TB & TBMA, Engine cooling electromagnetic fan drives, 3 Speed (ON1/ON2/OFF) On fixed support for LCV, 3 Speed (ON1/ON2/OFF) On water pump shaft for LCV, 2 Speed (ON2/ON1) On fixed support for HD vehicles, 2 Speed (ON2/ON1) On crankshaft for HD and LCV vehicles, 3 Speed (ON1/ON2/OFF) On crankshaft for HD and LCV vehicles, 3 Speed (ON2/ON1/OFF) On fixed support for HD vehicles, 2 Speeds Clutch with Angular Gearbox for BUS, ON/OFF (ON2/OFF) On crankshaft for HD and LCV vehicles, ON/OFF (ON2/OFF) On water pump shaft for LCV, ON/OFF (ON2/OFF) On fixed support for LCV, ON/OFF 2 Speed 3 Speed water pump drives, Looms components and industrial applications, Safety brakes for electric motors CO.FRE.MO Brand.

Our staff of very knowledgeable sales personnel, technicians, and engineers will gladly help you with any application or technical question you may have. up to 20,000 FPM. You also have the option to opt-out of these cookies. The mechanical spring-loaded fail-safe feature ensures maximum airflow if control is lost. HONDA MOTOR CO., LTD., JAPAN, Free format text: REVERSIBLE FAN www.cleanfix.org, Cleanfix - reversible fans mean fuel savings +Keeps radiators clean by turning the blades. H.C. F. Porsche Aktiengesellschaft. Fax: 01327 844341 A control system for a variable pitch radiator fan is disclosed. The Varofoil controllable-pitch-in-motion fan has been operating successfully for many years in a variety of variable air system applications. We'll assume you're ok with this, but you can opt-out if you wish. This application claims priority under 35 U.S.C. In this mode the fans impeller is manually adjustable at rest. cfm

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variable pitch radiator fan