Patent ID: 9157374
Filing Date: 2015-10-13
Classification: F02C,F05D,F16K,Y10T

Abstract:
1. A valve comprising: a valve skirt connected to a shaft, said shaft extending in a rearward direction away from said valve skirt and having rack teeth at a location spaced away from the valve skirt, an enlarged plate protruding from said shaft, a tab positioned between said valve skirt and said rack teeth; and a rack support supporting said rack for axial movement; wherein there are a pair of opposed flat surfaces on said tab, with said tab having a part cylindrical section connecting the pair of opposed flat surfaces on said tab, and said rack support having a pair of ears, each having a flat surface, wherein said flat surfaces of said pair of ears face each other and support said pair of opposed flat surfaces of said tab and wherein said pair of flat surfaces of said pair of ears engage said pair of opposed flat surfaces on said rack to limit rotation of said rack; wherein a ratio of a distance between said flat surfaces of said pair of ears, and a distance between said pair of opposed flat surfaces on said tab is between 1.02 and 1.04; and wherein a ratio of a diameter of said part cylindrical section of said tab and a width of said ears parallel to said opposed flat surfaces of said tab is between 1.12 and 1.22.