Research design and development of a novel auxiliary power unit (APU) incorporating advanced fuel tolerant Wankel rotary engine technology

该公司正计划研究、设计和开发一种燃油容限紧凑型轻量化燃油效率5kw的辅助动力装置，该辅助动力装置将采用新型的wankel旋转发动机（WRE）和直接喷射分层充电技术。目前的技术水平涉及3缸柴油或汽油发动机，体积庞大，平均重约160公斤。该项目的主要重点是用于重型牵引车、拖车、便携式轻型军事应用、城市汽车增程器和一些工业和商业用途的辅助动力装置。辅助动力装置为长途卡车司机在休息时间提供空调/暖气等设施，而无需闲置卡车发动机。这项技术每年可以减少1100万吨的二氧化碳排放，同时平均每辆卡车可以节省6000美元的燃料。由于美国现行法律规定发动机怠速停止时间超过30分钟，而apu的市场占有率仅为5%，因此apu的市场潜力是相当可观的。在电动汽车（EV）市场中，里程不足会引起用户的里程焦虑，即担心车辆的电池电量不足，从而无法到达目的地。电动汽车的行驶里程一般在50公里到100公里之间。拟议的APU技术有可能将这一范围扩大一倍，从而大大减少英国和全球的范围焦虑。尽管该技术的采用率很低，但环境效益仍然显著，减少了67000吨二氧化碳。市场面临的技术问题是能否提供一种可靠、紧凑、轻便、耐油、省油的发动机，以具有竞争力的价格为apu /发电机组提供5kw的最佳输出功率。所提出的概念具有满足成功开发所必需的技术和成本目标的潜力。

The company is proposing to research, design & develop a fuel tolerant compact lightweightfuel efficient 5kw auxiliary power unit incorporating a novel wankel rotary engine (WRE)with direct injection stratified charge technology. The current state of art involves 3 cylinderdiesel or petrol engines which are bulky & weigh on average around 160kg. The major focusfor this project is auxiliary power units for heavy duty tractor, trailer trucks, portablelightweight military applications, range extenders for city cars & some industrial &commercial uses. The auxiliary power unit offers long haul truck drivers amenities like airconditioning/heating during rest breaks without the need to idle the truck engine. Thetechnology could eliminate 11 million tons of carbon dioxide emissions each year from idlingthe truck engine as well as providing a fuel saving of $6,000 on average per each truck. WithUS legislation now in force that stops the idling of engines for more than 30 minutes and withAPU’s only having 5% penetration the market potential is considerable. In the electric vehicle(EV) market, lack of range causes range anxiety for users which is the fear that the vehicle hasinsufficient battery charge & thus range to reach its destination. With EV’s the range of thevehicle is generally between 50km-100km. The proposed APU technology has the potential todouble this range & therefore significantly reduce range anxiety for the UK and globally.Environmental benefits based on very low adoption rates for the technology are stillsignificant 67,000 tonnes of CO2. The technical problem facing the market is the availabilityof a reliable compact lightweight fuel tolerant, fuel efficient engine to power theAPU/generator set capable of optimal power output of 5kw at a competitive price. Theproposed concept has both the potential to meet both the technical and cost objectivesnecessary for successful exploitation.