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US 3,960,122 AGranted
Engine exhaust brake for otto-engines operated with gas
AssigneeDaimler-Benz Aktiengesellschaft
InventorGunter Perrin
Life of this patent
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AssigneeDaimler-Benz Aktiengesellschaft
InventorGunter Perrin
Estimating the term…
An engine exhaust brake for a motor vehicle operated with an Otto-engine, which upon its engagement causes the closing of the exhaust gas line by means of a throttle device and the opening of the throttle valve controlling the mixture supply; a gas-air mixer is thereby arranged upstream of the throttle valve whose gas supply is controlled by the output stage of a membrane-controlled gas-regulator whose vented side is connected with the atmosphere by way of an air line and preferably also by way of a filter protection; a control valve is also arranged in the air line which is controlled by the engine-brake engaging mechanism and which upon engagement of the engine brake connects the vented side of the output stage of the gas regulator with the engine suction pipe, whose vacuum causes the closing of the gas supply to the gas-air mixer.
An engine exhaust brake for a motor vehicle operated by a gas engine, which upon its engagement causes the closing of an exhaust gas line with the aid of an exhaust brake valve means and the opening of a throttle valve controlling the mixture supply, a gas-air mixer means arranged upstream of the throttle valve, and a diaphragm controlled gas regulator means including an output stage having a vented side operatively connected with the atmosphere by way of an air line, the gas supply of the gas-air mixer means being controlled by said output stage, characterized in that a control valve means is connected in said air line which is controllable by engagement of the engine brake and which upon engagement of the engine brake is operable to connect the vented side of the output stage of the gas regulator means with a vacuum source whose vacuum causes the closing of the gas supply to the gas-air mixer means.
Dependencies are inferred from the claim text.