Patent application number | Description | Published |
20100236512 | Glow plug having coking-optimized design - Glow plug, particularly for operation in a combustion engine, comprising at least one heating rod ( | 09-23-2010 |
20110056925 | Pressure Measuring Glow Plug - The invention relates to a glow plug for diesel engines, having a glow plug body comprising an external thread for threading into a threaded hole of a diesel engine, a heating rod that is displaceable in an axial direction of the glow plug body and protrudes from it, a pressure measuring device for measuring a combustion chamber pressure acting on the heating rod, and a sealing membrane disposed between the glow plug body and the heating rod. It is provided according to the invention that an annular or sleeve-shaped vibration damper composed of a perfluorelastomer is disposed between the glow plug body and the heating rod for damping radial oscillations of the heating rod. | 03-10-2011 |
20110062136 | GLOW PLUG - The invention relates to a glow plug for Diesel engines, comprising a housing, a heater rod, which is movable in the housing in axial direction and projects from the housing at a forward end, and a pressure measuring device for measuring a combustion chamber pressure exerted on the heater rod. It is provided according to the invention that a housing chamber is filled with a substance having or achieving liquid to paste-like consistency at temperatures occurring during operation and conducting heat generated by the heater rod to the housing. | 03-17-2011 |
20110146393 | Device and Method for Determining Combustion Chamber Pressure - The invention relates to a device and a method for determining combustion chamber pressure, having at least one glow filament, at least one measuring element, at least two spring membranes, and at least one tubular base. | 06-23-2011 |
20110240629 | GLOW PLUG - The invention relates to a glow plug comprising a housing ( | 10-06-2011 |
20120198924 | Cylinder Pressure Sensor - The invention relates to a cylinder pressure sensor comprising a housing for clamping into a cylinder head, which carries a sensor element at a front end. According to the invention, the cylinder pressure sensor has a conical seat at the front end thereof. | 08-09-2012 |
20130008886 | Glow plug - The invention relates to a glow plug comprising a glow pin, a housing from which the glow pin protrudes, and a supply line which runs in the housing and is connected to the glow pin so as to apply an electric voltage, and a sensor. According to the invention, it is provided that the supply line surrounds an interior in which a signal line connected to the sensor is arranged. | 01-10-2013 |
20130206092 | PRESSURE MEASURING GLOW PLUG - This disclosure relates to a glow plug comprising a housing tube, a glow element, which protrudes from the housing tube and is movable against a return force in the longitudinal direction of the housing tube, an inner pole connected to the glow element for applying supply voltage to the glow element, and a sensor for measuring a pressure acting on the glow element. According to this disclosure, a ground contact of the sensor, which is in the form of a tube or a sleeve, surrounds a section of the inner pole, and a signal contact of the sensor extends between the ground contact and a wall of the housing tube. | 08-15-2013 |
20130217275 | GLOW PLUG CONNECTOR - This disclosure relates to a glow plug connector for a sensor glow plug, comprising a housing made of plastic, a plurality of contact elements made of metal, which form contact surfaces bearing against a circumferential wall of the housing, wherein the contact elements protrude on the glow-plug side from a base of the housing. The contact surfaces are embodied as segments of a circle that protrude from a strip-shaped section of the contact elements. This disclosure also relates to a connector for a cylinder pressure sensor for measuring the pressure in a combustion chamber of an internal combustion engine. | 08-22-2013 |
20140109661 | PRESSURE GAUGE - The invention relates to a pressure gauge for measuring the pressure in a combustion chamber of an engine, comprising a housing, a tappet, which is movable in the housing in an axial direction under the action of combustion chamber pressure, a sensor for detecting an axial displacement of the tappet, and a force transmitter, in order to transmit a force loading the tappet to the sensor. In accordance with the invention, the force transmitter has at least one damping section for damping flexural vibrations, at which its flexural rigidity is reduced. | 04-24-2014 |
20140216145 | COMBUSTION CHAMBER PRESSURE GAUGE - A combustion chamber pressure gauge for an internal combustion engine, comprising a housing tube, a plunger, which is movable in an axial direction in the housing tube under the effect of combustion chamber pressure against a restoring force, and comprising a seal, which is disposed between the plunger and the housing tube, and comprising a sensor for detecting an axial displacement of the plunger. The sensor is decoupled from thermally induced expansions or contractions of the housing tube, in that the sensor is attached to a carrier, which is suspended in the housing tube, and the plunger is movable relative to the carrier under the effect of combustion chamber pressure. | 08-07-2014 |
20140338421 | DEVICE FOR TESTING PRESSURE SENSORS FOR INTERNAL COMBUSTION ENGINES - The invention relates to a device for testing pressure sensors for internal combustion engines, comprising a pressure chamber, which has an inlet opening, an outlet opening, and a test opening for receiving a pressure sensor to be tested, a valve for opening and closing the inlet opening, and a valve for opening and closing the outlet opening. The valve for opening and closing the inlet opening comprises a rotatably mounted roll as a closing element. The roll has a radially continuous bore hole, wherein the bore hole is in line with the inlet opening in a first rotational angle position of the roll and the roll closes the inlet opening in a second rotational angle position. | 11-20-2014 |