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Hydraulic Dynamometers

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They are stable and take measurements without requiring the removal of the engine. These machines are also called water brake dynamometers because they use water or oil in the load cell. Read More…

Hydraulic Dynamometers Hydraulic dynamometers are used to measure the power of an engine by using a cell filled with liquid to increase its load.
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Leading Manufacturers

Owosso, MI  |  989-720-2700

We provide dynamometer test controls and equipment for a wide range of applications. Our test cell control system is compatible with all types of dynamometers, including AC & DC motoring dynos & Water Brake Systems. Our products all include the durability & quality customers expect from SAKOR. Our dynamometers are powerful & affordable for the automotive, aerospace & heavy equipment industries.

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SAKOR Technologies, Inc. $$$

Sturtevant, WI  |  818-746-3649

Phoenix Dynamometer Technologies LLC offers the most comprehensive approach to water re-circulation systems, data acquisition systems, and dynamometers in the industry. Along with these high performance products, we also offer business continuity and a competitive advantage for our customers. Come and experience the kind of service that sets us above our competitors. We would love to serve you today. Call or visit us online!

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Phoenix Dynamometer Technologies LLC $$$

Houston, TX  |  281-405-0606

Dynamic Measurement Systems is a leading provider of dynamometers & force measuring systems. Our product line includes EDxtreme Digital Dynamometer, Dyna-Link, EDjunior Digital Dynamometer, AP Dynamometer, Pro-Lift Dynamometer, AFG/AFTI, BFG, CFG & Mechanical Force Gauges. If you are not looking to buy check out all of our equipment available for rental.

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Dynamic Measurement Systems, LLC $$$

Pontiac, IL  |  800-447-2511

AW Dynamometer is a leader in the industry featuring agriculture dynamometers, engine dynamometers and electric motor dynamometers for torque measurement. With more than five decades of dynamometer manufacturing and service, AW continually strives to better serve the needs of customers. AW ensures the right product for any application offering several dyno models and complete turnkey test cells.

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AW Dynamometer, Inc. $$$
placeholder image SAKOR Technologies, Inc. Phoenix Dynamometer Technologies LLC Dynamic Measurement Systems, LLC AW Dynamometer, Inc.

They can create different loads on the engine and maintain a steady RPM rate while testing. Because of this, they are often used for trouble shooting tuning problems in the engine and determining if a part is not performing. The working compartment of the hydraulic dynamometer consists of special semi-circular shaped vanes cast into stainless steel rotor and stators. Water flowing in a torodial vortex pattern around these vanes creates a torque reaction through the dynamometer casing which is measured by a precision load cell.

High Speed Hydraulic Dynamometer High Speed Hydraulic Dynamometer - Froude, Inc.

The hydraulic dynamometer fill level and consequently load is controlled by a water outlet valve, operated by a closed loop electro-hydraulic dynamometer fill level and consequently load is controlled by a water outlet valve, operated by a closed loop electro-hydraulic servo system.

The power absorbed by the dynamometer is carried away by the water in the form of heat. Applied torque by the dynamometer is measured by a load cell installed on the arm of the dynamometer. The load cell signal is transmitted to a load cell amplifier. Control command is supplied to the outlet analog water valve, through an electronic/pneumatic transducer, which converts the electric signal to proportional air quantity as supply to the valve.

Hydraulic dynamometers are used as loading units in engine test rigs. They cover a wide range of dynamometer power and torque values. They are well suited for testing of passenger car and commercial vehicle diesel engines, testing of large railway- and marine engines, engine testing in tandem configuration with asynchronous motor, testing in research and development testing in production and quality assurance.

They are however more complicated than systems that use rolling barrels because of the way the dynamometer is attached. Also, the data requires more effort and knowledge to decipher because most hydraulic dynamometers are analog.

These machines are used in automotive, aircraft, aerospace, marine, and industrial processes to measure chain or belt drives, gear boxes, fluid power systems, gas or diesel systems or transmissions in vehicles and motorcycles.

Hydraulic Dynamometer Informational Video

 

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