Rammer
Daniel Rammer, Schoenborn DE
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20110083502 | METERING DEVICE FOR FLUID MIXTURES - The device for metering fluid mixtures, in particular liquids containing a gas such as carbon dioxide, includes a flow sensor, a metering valve, and a controller that drives the metering valve as a function of a set point and of the flow rate measured. The flow sensor has an impeller wheel having a horizontal axis, the fluid mixture being guided on an arcuate path on the periphery of the impeller wheel, the path being directed from bottom to top. Despite the presence of gas, a precise metering is achieved. | 04-14-2011 |
David Rammer, Sheboygan, WI US
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20090218157 | Radar Deployed Fender Air Bag - An air bag deployment system incorporated within a vehicles bumpers that may be deployed prior to impact of a static or dynamic object as determined by radar based proximity and velocity sensors. | 09-03-2009 |
Franz Rammer, Wolfern AT
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20120017868 | METHOD AND DEVICE FOR ENGINE BRAKING - A method for engine braking of a multi-cylinder internal combustion engine of a vehicle, which is preferably an engine operating on the diesel principle. The engine has at least one exhaust-gas turbocharger with an exhaust-gas turbine and a charge air compressor, and an exhaust manifold which supplies the exhaust-gas flow from outlet valves of the engine to the exhaust-gas turbocharger. A throttle device is connected between the outlet valves and the turbocharger for throttling the exhaust-gas flow and causing a pressure increase in the exhaust gas for engine braking upstream. An exhaust-gas counter-pressure and a charge air pressure are measured and, based on the measurement, a position of the throttle device can be determined to obtain a predetermined braking action. Then the exhaust-gas counter-pressure and the charge air pressure are closed-loop controlled by adjusting the throttle device corresponding to the previously determined position of the throttle device. A device for engine braking, preferably a diesel engine, has a system for carrying out the novel method. | 01-26-2012 |
20120017869 | METHOD AND DEVICE FOR ENGINE BRAKING - A method for engine braking of an engine operating preferably on the diesel principle. Here, the engine has at least one exhaust-gas turbocharger having an exhaust-gas turbine acted on by an exhaust-gas flow and having a charge air compressor, which exhaust-gas turbine and charge air compressor are arranged on a common shaft. The engine also has an exhaust manifold which conducts the exhaust-gas flow from outlet valves of the engine to the exhaust-gas turbocharger, and has a device for throttling the exhaust-gas flow arranged between the outlet valves and the exhaust-gas turbocharger, and also has at least one bypass line for conducting the exhaust-gas flow past the throttling device, the exhaust-gas flow being conducted through the at least one bypass line to a turbine wheel of the exhaust-gas turbine, the exhaust-gas flow being throttled and a pressure increase in the exhaust gas thus being generated upstream of the device for throttling the exhaust-gas flow. According to the method, a measurement of an exhaust-gas counter-pressure and of a charge air pressure preferably take place. On the basis of the measurement of the exhaust-gas counter-pressure and of the charge air pressure, a determination of an optimum position of the device for throttling the exhaust-gas flow to obtain a predetermined braking action can be carried out. The exhaust-gas counter-pressure and of the charge air pressure are subsequently controlled by adjusting the device for throttling the exhaust-gas flow corresponding to the determination of the optimum position of the throttling device. | 01-26-2012 |
Raphae Rammer, Munich DE
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20140345731 | BISTABLE FLUID VALVE - A bistable fluid valve is characterized by two valve chambers which are arranged adjacent to one another and are closed off with respect to one another by a partition and each have an inlet opening and an outlet opening situated opposite one another, by an S-shaped elastic strip element which extends through both valve chambers, is articulatedly mounted in the region of the partition and can assume two positions in which it sealingly closes off either one or the other outlet opening, and also by an actuation element which is fastened to the strip element and by means of which the strip element can be switched between the two positions. The fluid valve according to the invention comprises only a single movable component of very low mass, which can thus operate in a fast-reacting manner. | 11-27-2014 |
Raphael Rammer, Taufkirchen DE
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20130264419 | LANDING GEAR VIBRATION ABSORBER AND METHOD OF OPERATING SAID LANDING GEAR VIBRATION ABSORBER - A landing gear vibration absorber ( | 10-10-2013 |
Raphael Rammer, Munich DE
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20140345267 | FLUID VALVE ARRANGEMENT COMPRISING A BISTABLE FLUID VALVE - The invention relates to a fluid valve arrangement having a bistable fluid valve for at least one fluid line with a valve body which can be moved into two positions for two switching states, a pressure pulse generator being provided for valve switchover in the feed line for switching over a feed line and a return line between two flow lines, and the fluid valve comprising a reversing unit which has two chambers which are separated from one another by a bistable surface element, the two chambers being connected to the two flow lines and the bistable surface element being operatively coupled to the valve body in order to actuate it. As a result, a bistable fluid valve is provided which can be reversed by way of pressure pulses or pressure flanks and otherwise has no energy requirement. | 11-27-2014 |