Patent ID: 8100103
Filing Date: 2012-01-24
Classification: F04B

Abstract:
1. A cylinder head comprising: a first plate having first and second opposite surfaces, a first and second channel in a first surface of the first plate, wherein the first and second channels extend in the first surface and do not extend in the second surface, and the channels merge together within the plate at a first opening extending at last into the second surface of the first plate; a second plate over the first plate, the second plate having a pair of bores therethrough each aligned with one of the first and second channels in the first plate; a fourth plate over the second plate forming a cavity between the second and fourth plates; a third plate rotatably disposed between the second and fourth plates, the third plate having a pair of spaced bores therethrough for sequentially aligning with one of the pair of bores through the second plate; wherein the fourth plate has a pair of spaced bores therethrough aligned with the bores through the second plate, wherein during a full rotation of the third plate each bore through the third plate aligns with each bore through the second and fourth plates, and an axle supporting the third plate, the axle having an upper bearing and a lower bearing, the upper bearing being supported in a recess in the fourth plate and the lower bearing being supported in a recess in the second plate.