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07-18-2016

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08-17-2017 12:28 PM

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  • Posted in thread: PatCVT on 08-13-2017 at 04:43 AM
    Hello all.PatCVTIn the PatCVT a sprocket or gearwheel (actually an idler) is intermeshed with
    "teeth" on both spans of the V-belt. The displacement of the center of the sprocket varies
    positively the ...

  • Posted in thread: PatATE: Asymmetric Transfer and Exhaust in two-stroke engines on 07-24-2017 at 06:08 AM
    Hello all.The PatATE architecture is not restricted in small engines. It fits with small
    engines, it also fits with normal size and big size engines.And it seems (theoretically for
    now) that it solves...

  • Posted in thread: PatATE: Asymmetric Transfer and Exhaust in two-stroke engines on 07-23-2017 at 04:45 PM
    Hello all.The following is quote from BRIDGE SEIZUREPiston seizures can occur at the center
    exhaust-bridge on a delta-shaped port, or the sub-exhaust bridges on a triple port design. The
    exhaust bri...

  • Posted in thread: PatATE: Asymmetric Transfer and Exhaust in two-stroke engines on 07-18-2017 at 08:33 AM
    Hello Niels.In the following it is further explained the difference the PatATE architecture
    brings to the 2-strokes.Here is the port map of the famous Aprilia RS250 of 1999 (two cylinders
    in V90, over...

  • Posted in thread: PatATE: Asymmetric Transfer and Exhaust in two-stroke engines on 07-16-2017 at 03:40 AM
    Hello Iohring.Thank you for your response.Currently in the market there are no 2-stroke engines
    propelling cars or motorcycles and complying with the current emissions standards (euro4).The
    only exemp...

  • Posted in thread: PatATE: Asymmetric Transfer and Exhaust in two-stroke engines on 07-15-2017 at 04:49 AM
    Hello all.In another forum someone wrote:“When 2T runs the same compression ratio as 4T then it
    runs with the same expansion ratio. Only the start and end points are different.View the 2T
    from a diffe...

  • Posted in thread: PatATE: Asymmetric Transfer and Exhaust in two-stroke engines on 07-11-2017 at 06:34 AM
    Hello allRegarding the power and torque gain when the expansion extends:Here is the pressure
    (and the torque) versus the crankshaft angle of a typical 4-stroke engine: is from Taylor’s
    book “The Int...

  • Posted in thread: PatATE: Asymmetric Transfer and Exhaust in two-stroke engines on 07-10-2017 at 03:11 PM
    Hello all.Here is an Opposed Piston PatATE: case of divided load (Portable Flyers with two
    intermeshed counter-rotating propellers, Electric Power sets with two counter-rotating
    generators, Marine Ou...

  • Posted in thread: PatATE: Asymmetric Transfer and Exhaust in two-stroke engines on 07-07-2017 at 05:35 PM
    Hello all.The following version of the PatATE seems the fittest for realization in metal. has
    the typical arrangement, with one only hybrid port “looking” forwards and one intake port at
    the back of ...

  • Posted in thread: PatATE: Asymmetric Transfer and Exhaust in two-stroke engines on 07-06-2017 at 04:46 AM
    Hello all.Here is the port-map of the famous Vespa 125-150 (57mm stroke) here is the port-map
    of the famous TZR, KR1 and RGV two stroke engines: height of the exhaust port is more than
    double than t...

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