OIL TANK FOR TWIN-ENGINED AIRCRAFT ENGINE Russian patent published in 2002 - IPC

FIELD: twin-engined aircraft. SUBSTANCE: oil tank has two chambers located on different sides from vertical plane of symmetry of engine. Each chamber is provided with individual fuel-fill valve, oil level sensor and drain cock. Second chamber is made in form of cylinder with generatrix parallel to vertical axis of engine; it performs function of centrifugal air separator. Located in upper portion of second chamber are additional intake branch pipe and oil return branch pipe mounted tangentially relative to its side surface. The invention makes it possible of using single oil tank both for right-hand and left-hand engines, thus ensuring supply of engine with oil in inverted flight or negative load factor due to forming artificial circulating volume inside second chamber. EFFECT: higher efficiency. 2 cl, 3 dwg