cuum produced by an oil pump in-sicad of that created in the intake manifold. For thisreason there is no infringement on patents covering fuelfeed systems operated by manifold vacuum. In the Oil-Vac system vacuum increases with the speed of the engineand is not dependent upon throttle opening. An… … Cross-sections of Oil Vac units showing details of tank construction, operating mechanism with hydrauhc control of valve and vanes and rotor of special oil pump The system consists of a fuel tank and an oil pump. Thetank is made in two units. One unit is a slip tank whichcontains all the mechanism…
Automobiles · Aeronautics
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