Patent ID: 7131434
Filing Date: 2006-11-07
Classification: F02M,Y02T

Abstract:
1. A valve assembly comprising: a valve chamber having a housing with a valve chamber aperture that extends through said valve chamber, said valve chamber further including an engine attachment element for attaching said valve assembly to an engine; a coupler having a body with a first coupler member, a second coupler member, and a coupler aperture that extends through said coupler, said coupler being attached to said valve chamber such that said first coupler member mates with said valve chamber aperture such that said coupler aperture and said valve chamber aperture form a continuous air path; a ball within said valve chamber aperture; and a bias element within said valve chamber aperture that biases said ball toward said first coupler member such that said ball seals said coupler aperture by pressing against said first coupler member; where in a vacuum asserted through said valve chamber aperture causes said ball to move away from said first coupler member.