Fluid injection system

Claim 1

A valve comprising: an outlet passage being adapted to be connected to a source of vacuum in an intake manifold of said engine; a first inlet passage adapted to be connected to a supply of antidetonant fluid; a second inlet passage having an air filter for the purpose of allowing the entry of filtered air therein; a third inlet passage adapted to be connected to a PCV valve; a fluid mixing chamber into which antidetonant fluid and filter air flows; a moveable fluid mixing control means located in said fluid mixing chamber; a biasing means operatively associated with said fluid mixing control means for moving said fluid mixing control means at predetermined vacuum conditions; said moveable fluid mixing control means having a first position in said fluid mixing chamber wherein no antidetonant fluid nor filtered air can flow through said outlet passage; said moveable fluid mixing control means having a plurality of positions other than said first position wherein a mixture of antidetonant fluid and filtered air is allowed to pass through said outlet passage, said mixture having different ratios of antidetonant fluid to filtered air; and said third inlet passage being in continuous fluid communication with said outlet passage.