Cover for a ventilation valve

Claim 1

A vehicle engine comprising: an intake manifold; a cylinder head cover having a substantially horizontally extending section having a substantially cylindrical pipe section extending vertically upwardly therefrom; a grommet secured to the upper end of said pipe section, said grommet having a substantially vertically extending fluid flow passage therethrough; a substantially vertically extending ventilation valve having substantially cylindrical upper fluid outlet and lower fluid inlet ends and a central body section between the ends of the valve, said grommet being in encircling direct contact with the lower end of said valve; a ventilation hose having one end in encircling direct contact with the upper end of said valve, the other end of said hose being connected to the intake manifold; a substantially vertically extending heat insulating one-piece cover for covering the ventilation valve, the grommet and the cylindrical pipe section of the cylinder head cover, said one-piece cover comprising: an upper substantially cylindrical end in encircling direct contact with the one end of the ventilation hose; a substantially cylindrical central body section radially outwardly spaced throughout its extent from and defining a hollow space with the central body section of the ventilation valve, the grommet, and the pipe section of the cylinder head cover; and a lower annular end extending downwardly and radially outwardly from the lower end of the body section of the one-piece cover, said lower end of said one-piece cover being in direct contact with the substantially horizontally extending section of the cylinder head cover; and a clamp for tightly securing the upper end of the one-piece cover to the one end of the ventilation hose and it to the upper end of the ventilation valve.