F - Mech Eng,Light,Heat,Weapons – 02 – D
Patent
F - Mech Eng,Light,Heat,Weapons
02
D
123/4
F02D 13/04 (2006.01) F02D 9/06 (2006.01)
Patent
CA 1091109
AN EXHAUST BRAKING APPARATUS Abstract of the Disclosure A modulated exhaust braking apparatus is provided for use on a motor vehicle engine. The apparatus is connected to and forms a part of the engine exhaust system and produces minimum back pressure when the apparatus is in its open position. The apparatus includes a first chamber which separates an exhaust duct into two sections. One section is connected to an inlet for the first chamber and the second section of the duct is connected to an outlet formed in the first chamber. A closure member is adjustably mounted within the first chamber and, when in one position of adjustment, closes off communication within the first chamber between the inlet and outlet thereof. Pneumatic pressure responsive means is adjustably mounted within a second chamber separated from the first chamber. Adjustment of the closure member to a close off position and retention thereof in said close off position is dependent upon regulated pneumatic pressure exerted on the pressure responsive means. Adjustment of the closure member from a close off position to an open position wherein the inlet and outlet are in communication with one another is dependent upon the pressure of the exhaust gas upstream of the first chamber inlet.
293988
Cummins Engine Company Inc.
Smart & Biggar
LandOfFree
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