Patent ID: 6962138
Filing Date: 2005-11-08
Classification: F02D,F02M

Abstract:
1. Apparatus for variably throttling flow of combustion air to an internal combustion engine, comprising: a) a housing mountable to said engine and surrounding an intake port thereof for providing combustion air to said engine; b) a poppet valve seat formed in said housing surrounding a chamber in communication with said intake port; and c) a poppet valve assembly disposed in said housing coaxially with said seat, said assembly including a valve head for cooperating with said seat to vary the open area of said chamber, a valve shaft attached to said valve head, and a linear actuator for axially displacing said shaft and said head with respect to said valve seat to variably throttle flow of combustion air into said engine across said valve seat, wherein said apparatus is the sole mechanism for variably throttling combustion air to the engine.