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    • 31. 发明专利
    • Rotary valve for internal combustion engines
    • AUPO770797A0
    • 1997-07-31
    • AUPO770797
    • 1997-07-04
    • SMITH WAYNESMITH BRIAN
    • F01L7/02F01L7/16F02B75/02
    • A rotary valve for an internal combustion engine includes a cylindrical valve rotor having an inlet and an outlet port arranged in the circumferential surface thereof, and a plurality of sealing elements mounted on the valve rotor such as to subdivide the circumferential surface of the rotor body to define discrete circumferential surface zones thereon, a predetermined one of the discrete surface zones being arranged such that, when the rotary valve is received within a valve bore in a cylinder head of an engine and the sealing elements of the rotary valve abut on the valve bore surface, it periodically seals-off a transfer port in the cylinder head, for which the rotary valve serves as closing and opening, during at least part of the compression and combustion strokes performed in the engine, whereby air-fuel mixture compressed during the compression stroke and combustion gases created during combustion stroke are substantially prevented from passing into the inlet or outlet port of the valve during these strokes.
    • 37. 发明专利
    • Origami sheet and stencil therefor
    • GB201419930D0
    • 2014-12-24
    • GB201419930
    • 2013-04-09
    • CRAIK SMITH BRIAN P
    • Described is an origami sheet and a stencil for creating the origami sheet, wherein (i) the origami sheet is for folding into a model, the sheet comprising one or more indicators for indicating to a user where to make one or more cuts or tears in the origami sheet, such that, when the sheet is cut or torn as indicated by the one or more indicators and then folded a model is created with the resultant one or more cuts or tears creating a hole in the model through which the inner surface of the model is visible; and/or (ii) the origami sheet is an edible origami sheet for folding into a model; and/or (iii) the origami sheet is for folding into a model, the sheet comprising one or more textured model components, such that when the sheet is folded a model is created with the one or more textured model components provided on the outer surface of the model; and/or (iv) origami sheet is for folding into a model, the sheet comprising flexible or foldable OLEDs (organic light-emitting diodes) and/or PCBs (printed circuit boards). Also described is application software for the origami sheet and kits comprising the origami sheet and/or stencil.