偏心擺葉轉子迴轉式引擎之理論分析

Abstract

本研究之目的在開發偏心擺葉轉子迴轉式引擎，其主要組成包括壓縮部轉子、燃燒室、動力部轉子及擺葉四部分。燃燒室在壓縮部迴轉閥孔口與動力部迴轉閥孔口都不連通時，點火爆發，隨即動力部迴轉閥孔口旋轉到對接燃燒室出氣孔口，爆發所產生的高壓氣體從迴轉閥氣道衝進動力部轉子，驅動動力部轉子擺葉，推動轉子轉動，可達到等同於多缸活塞式內燃機之馬力。 本研究已初步建立偏心轉子引擎擺葉運動的計算軌跡公式、擺葉尖端速度及工作室體積之計算，為後續計算（動力輸出、節能效率、碳排放...等等）奠定計算基礎。配合前述偏心轉子引擎的基礎理論計算，利用假設的簡化模型，計算出偏心轉子引擎之壓縮部的壓力變化，以及其在壓縮時所受之力矩，藉由這些計算來預測壓縮部運轉的表現。 同時已經試製出兩個版本的實體冷模型，分別為排氣量135C.C.以及153C.C.。排氣量135C.C.之冷模型，在實際運轉測試後有擺葉張開角度過大導致卡死之問題，故修改汽缸與轉子之比例再製出153C.C.的改良版本。 本偏心擺葉轉子引擎，同樣擁有Wankel轉子引擎的優勢，每一圈都可以有三次的動力爆發，在動力連續性上表現良好。並且結構上採三部分獨立區塊運作，避免Wankel轉子引擎受熱不均勻的問題，同時擺葉的尖端搭載滾子來減緩與汽缸壁摩擦之消耗，藉此延長擺葉與汽缸壁之壽命。由於此一偏心擺葉轉子迴轉式引擎的體積僅有多缸活塞式內燃機的5 分之1，重量僅有6 分之1，故它可以讓車輛更具機動性，同時也能與電動馬達做結合，來得到更好的省油效益以及增加里程數及降低CO2 排放。

The purpose of this study is to develop an eccentric blade rotor rotary engine with four main components including the compressor rotor, the combustion chamber, the power rotor and swing leaves on the rotor. The combustion chamber in the compression section of the rotary valve orifice and the power of the rotary valve port are not connected, the ignition broke out, then the power of the rotary valve orifice rotation to the docking chamber outlet, the outbreak of high pressure gas from the rotary valve airway rushed into the power of the rotor, driving the power of the rotor swing leaves, to promote the rotor rotation, can be achieved equivalent horsepower to multi-cylinder piston internal combustion engine. In this study, we have established the calculation trajectory formula of the eccentric rotor engine and the volume of working chamber, which will be the base for the subsequent calculation of power output, energy saving efficiency, and carbon emission. Since this eccentric blade rotor rotary engine is only one-fifth of the capacity of a multi-cylinder piston internal combustion engine and weighs only one in six, it allows the vehicle to be more mobile, higher fuel efficient, and reduce CO2 emissions.