Two new coupling types, the Kinematic Wavy Spring Washer and the Groove/Cylinder coupling, have been conceptualized by the instructor and his graduate students, but not rigorously investigated.

• 二种新型联接器--动力弹性波动清洁器和圆筒凹槽联接器。老师虽已和研究生讨论出概念，但是并未严谨地研究。