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On February 16, 2023, the German patent workplace printed a BMW patent software filed in August, 2021, which particularly seems to each depict and describe the event of a ShiftCam-type variable valve timing system for a single-cylinder engine. This enchancment would, in response to the patent, cut back weight, gasoline consumption, and emissions whereas additionally enhancing energy and torque growth—simply because the ShiftCam know-how already does on its bigger Boxer brethren.
On this software, BMW spells out the existence of valve actuating parts that may very well be linked collectively with a purpose to have an effect on a predetermined valve carry and timing on a number of valves directly. These parts might embody both two or extra cam items, or extra doubtless one cam piece with two or extra totally different cam contours to management valve timing for various functions. The extra compact design would inherently shave weight from the valve practice, along with offering potential gasoline consumption, emissions, and energy technology advantages.
Such a system might use two or extra actuation profiles for the valve practice, which may very well be programmed by BMW (or presumably by riders, if BMW decides to permit for such a setting) relying on what enhancement traits are desired, corresponding to within the case of engine mapping for selectable journey modes.
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Might this point out that BMW is engaged on severe updates to the present thumper discovered within the likes of the G 310-series? Given the corporate’s observe report of technological developments and enhancements to date, in addition to its common drive towards efficiencies on a number of planes, it will actually not be a shock if it did. There’s been no official phrase to this point, however then once more, most OEMs don’t wish to inform you what they’ve bought within the oven till they’ve determined it’s the proper time, do they?
On the identical time, we should additionally warning that whereas submitting patent functions signifies a sure degree of intention on the a part of the filer, simply because a patent exists doesn’t essentially imply that the factor described in that patent will ever come to fruition. For a lot of and varied causes, growth paths can change and even diverge at any level. Thus, the one factor we will inform you at this level is {that a} patent software for this tech undoubtedly exists—however whether or not we’ll really see it in motion sooner or later stays to be seen.
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