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| Number | Title | Issue Date |
| 7275367 | Exhaust pressure-raising device for an internal combustion engine There is provided an exhaust pressure-adjusting valve that is brought into a closed position due to a biasing force of a resilient body and is opened against the biasing force of the resilient body due to the exhaust pressure in an exhaust channel, which is raised i... | 10/02/2007 |
| 7246609 | Internal combustion engine having cylinder disablement A multi-cylinder internal combustion engine having an exhaust system with an exhaust emission after-treatment device for exhaust gases from the cylinders, an air supply system for supplying fresh air to the cylinders, a fuel supply system for supplying fuel to each ... | 07/24/2007 |
| 7029347 | Water preclusion device for marine engine A water preclusion device for a watercraft with an internal combustion engine for inhibiting the intrusion of water upstream into an exhaust system. The water preclusion device includes a valve controlled by exhaust gas pressure. ... | 04/18/2006 |
| 6179096 | Exhaust brake variable bypass circuit An exhaust brake for an internal combustion engine is disclosed. The exhaust brake includes a main valve and a bypass valve for restricting the flow of exhaust gas. The main valve may be selectively closed, while the bypass valve is biased into a closed p... | 01/30/2001 |
| 5947235 | System and method of exhaust brake control A system and method for controlling a vacuum operated exhaust brake. A vehicle may be provided with service brake assistance and an exhaust brake, each of which may be driven by a common vacuum source. In the event the available vacuum is likely to be ins... | 09/07/1999 |
| 5845748 | Low restriction exhaust brake An exhaust brake for an internal combustion engine is disclosed. The internal surfaces of the exhaust brake are aerodynamically shaped and sized to reduce the incidence of turbulent flow through the exhaust brake. The shape of the internal passage through... | 12/08/1998 |
| 5657838 | Drive unit and method for operating a drive unit A drive unit for vehicles with an engine and a gearbox, and with a hydrodynamic retarder. The retarder is in constant drive connection with the engine. The unit includes a coolant circuit whose coolant is at the same time the working medium of the retarde... | 08/19/1997 |
| 4825982 | Exhaust brake system An exhaust brake incorporates a slide valve with a decreasing returning or opening effort without also having an increased working or closing effort of its valve elements incorporated therein. The brake system includes a first valve piston connected to a ... | 05/02/1989 |
| 4685544 | Sliding exhaust gas brake A sliding exhaust gas brake connected in the exhaust pipe of an engine in a motor vehicle. It includes a housing having a portion defining an exhaust gas passage and connected to the exhaust pipe at both ends thereof and a portion connected to the exhaust... | 08/11/1987 |
| 4553648 | Exhaust brake apparatus of sliding type An exhaust brake apparatus of sliding type is provided including a main valve which is adapted to open or close an exhaust gas passage. The main valve is formed with a vent hole which provides a communication thereacross through the exhaust gas passage. A... | 11/19/1985 |
