/ 159 CANISTER CONDITIONING UNIT AVL CANLOAD Current trends and future demands concerning alternative fuels and various drive concepts require adequate and flexible test systems. AVL CANLOAD systems constitute a state-of-the-art test system by providing providing a wide range of test solutions and supporting standard certification, individual R&D and durability testing. MEASUREMENT PRINCIPLE AND SOLUTION The CANLOAD pneumatic unit is designed for all standard applications based on butane/nitrogen or fuel vapor handling. It provides all required functions including individual valve matrix control, canister interface and mass-flow regulation. The elimination of volumes between valves and canister combined with intelligent software functions, e.g. delay time evaluation and time-based purge routines, etc. increases accuracy and repeatability. Specially designed mass-flow controllers provide free adjustable mass flow rates. The CANLOAD enables the conditioning of activated carbon filters (ACF), which are used in tank systems of vehicles. During this procedure, the ACF is loaded with butane- and fuel-vapours up to full saturation and is flushed again afterwards. This test verifies the ACF’s correct functioning and is compulsory for further evaporative emission measurements (SHED) and fuel tank filling tests (FUELLOAD) of vehicles. The modern system design enables flexible alignment with constantly increasing requirements in the field of fuel mixtures and powertrains (hybrid). BENEFITS AT A GLANCE • Modularly extendable design for up to 4 lines simultaneously • Dynamic flush function (used for e.g. hybrid requirements) • ORVR (Onboard Refuelling Vapor Recovery) simulation • Adjustable conditioning of purge air and fuel • Gravimetric control function • CE conform / ATEX certified equipment • Windows® 7 support CANLOAD device automation: improved graphical look & feel operation interface for manual operation, specific diagnostics and services
Solutions Katalog 2015_E
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