Where is the perpetual motion?

Hitachi Engineers confirm Over-Unity Process http://www.cheniere.org/misc/kawai.htm http://www.freepatentsonline.com/5436518.pdf http://www.cheniere.org/misc/kawai%20patents/index.html some others.. http://www.kz1300.com/ecklin/ http://www.freepatentsonline.com/3890548.pdf http://www.pureenergysystems.com/os/EdGrayMotor/PM_PEM_MG/patents/3890548/ http://www.freepatentsonline.com/3879622.pdf http://montalk.net/science/72/john-ecklins-sag-6 http://www.freepatentsonline.com/6867514.pdf The rest you will look up yourself.