Sliding gate exhaust brake assembly
AssigneeHersham Valves Ltd.
InventorVictor Alan Harris
Life of this patent
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Abstract
A sliding gate exhaust brake assembly comprising a gate located within an housing, the gate being moveable between an open position and a closed position to open and close an exhaust outlet. A first closeable pressure relief passage is provided for relieving exhaust gas pressure on the gate during opening of the gate and a second closeable pressure relief passage is provided for reducing exhaust gas pressure on the gate during closing of the gate. In a preferred embodiment the housing is divided into an input chamber and an exhaust chamber by a partition wall having an aperture closeable by the gate. The first pressure relief passage is provided by an closeable aperture through the gate and the second pressure relief passage is provided by a second closeable aperture in the partition wall.
Claims21
A sliding gate exhaust brake assembly for closing an exhaust outlet, the assembly comprising gate means located within a housing, the gate means being moveable between an open position and a closed position, the assembly further comprising a first pressure relief passage having first closure means openable for relieving exhaust gas pressure on the gate means during movement from the closed position to the open position thereof, and the assembly further comprising a second pressure relief passage having second closure means openable for reducing exhaust gas pressure on the gate means during movement from the open position to the closed position thereof.
Dependencies are inferred from the claim text.