Koehler Combination Octane Rating Unit Engine

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The Combination Octane Rating Unit Engine is a specialized device used to determine the knock rating (octane number) of spark-ignition engine fuels. It measures both Research Octane Number (RON) and Motor Octane Number (MON), essential for evaluating fuel performance, particularly for fuels with ethanol blends.

Product Overview: Combination Octane Rating Unit Engine

Test Method:

• This unit is designed to quantitatively measure the knock rating of liquid spark-ignition engine fuels.
• It determines two important ratings:
  • Research Octane Number (RON): Indicates the fuel’s resistance to knocking under mild driving conditions.
  • Motor Octane Number (MON): Measures the fuel’s performance under more severe driving conditions.
• The device can handle fuels containing up to 25% ethanol (25% v/v ethanol blends).
• The fuel sample is tested in a single-cylinder, four-stroke, variable compression ratio, carbureted engine operating under a defined set of parameters to ensure consistency and accuracy.

Features:

• Single-Cylinder Engine: The unit uses a standardized, single-cylinder engine, which is ideal for repeatable and consistent octane rating measurements.
• Variable Compression Ratio: This feature allows for precise adjustments to test a wide range of fuel types under different operating conditions.
• Carbureted Engine: Ensures accurate delivery of the fuel-air mixture for standardized testing.
• Comprehensive Testing: Provides octane ratings for both RON and MON, making it versatile for various testing requirements.

Description:

• The Combination Octane Rating Unit Engine is an essential instrument for laboratories testing the quality of liquid fuels. It provides reliable, repeatable results for fuels used in spark-ignition engines. The octane rating of a fuel is critical for assessing its suitability for specific engine designs and performance expectations.

Specifications:

• Fuel Types: Suitable for testing spark-ignition engine fuels, including those containing up to 25% ethanol by volume.
• Engine Type: Single-cylinder, four-stroke, variable compression ratio engine.
• Knock Rating: Quantitative determination of knock resistance through both RON and MON measurements.

Functional Information:

• The engine operates under a defined set of conditions to ensure standardization across tests.
• It uses a carbureted system to precisely deliver the fuel-air mixture required for accurate octane rating.
• Designed to handle different fuel blends, including those with ethanol, making it applicable to modern fuel testing standards.

Dimensions:

• Bench-Top Design: The unit is typically compact, suited for laboratory environments.
• Detailed dimensions will vary based on the specific model.

Additional Accessories:

• The unit may come with additional accessories such as spare parts for the engine, carburetor calibration tools, and other testing and maintenance aids.