Patent ID: 6889636
Filing Date: 2005-05-10
Classification: F01L

Abstract:
1. A two cycle engine comprising: (a) a valve housing having a reversibly displaceable valve member displaceable in a substantially vertical direction, said valve member having a valve head and a valve stem, said valve member being displaceable between an open position and a closed position; (b) a cylinder housing being substantially vertically aligned and secured to said valve housing, said cylinder housing having an upper section and a lower section forming a combustion chamber containing a reversibly displaceable piston member, said cylinder housing upper section having (1) at least two air intake ports, (2) a fuel injection port, and (3) means for igniting a fuel and air mixture, said cylinder housing lower section having an exhaust port for egress of exhaust gases; (c) a crank housing coupled to said cylinder housing lower section for containing a crank member coupled to said piston member; (d) an air intake plenum located within said valve housing and surrounding said valve stem, said air intake plenum in fluid communication with said intake ports; and, (e) valve control means for initiating displacement of said valve member when said valve member is in a substantially open position and terminating displacement of said valve member when said valve member is in a substantially closed position, said valve control means including: