Patent application number | Description | Published |
20080274037 | Method For The Preparation Of X-Ray Amorphous Or Weakly Crystalline Metal Oxide Fluorides And New Uses Thereof - The present invention is related to a method for preparing an X-ray amorphous or weakly crystalline metal oxide fluoride of a composition represented by the formula M | 11-06-2008 |
20100191024 | Preparation of halogen and hydrogen containing alkenes over metal fluoride catalysts - Halogenated alkenes, especially fluorinated alkenes can be prepared from halogenated and fluorinated alkanes, respectively, by dehydrohalogenation or dehydrofluorination in the presence of a high-surface metal fluoride or oxifluoride. Preferably, trifluoroethylene, pentafluoropropene, tetrafluorobutenes or trifluorobutadiene are prepared. Aluminium fluoride is highly suitable. The metal fluoride or oxifluoride can be applied supported on a carrier. | 07-29-2010 |
20130018211 | Process for dehydrochlorination of hydrochlorofluoroalkanes - A process for the selective dehydrochlorination of a hydrochlorofluoroalkane by using chloride fluorides of Ba, Ca, or Sr as catalysts, wherein the hydrochlorofluoroalkane comprises a carbon atom or carbon atoms carrying at least one chlorine and at least one fluorine atom and further comprises at least one hydrogen atom on a carbon atom vicinal to the carbon atom or to the carbon atoms carrying the at least one chlorine and at least one fluorine atom. | 01-17-2013 |
20130023703 | Process for dehydrofluorinating hydrochlorofluoroalkanes and products obtained thereby - A process for the selective dehydrofluorination of hydrochlorofluoroalkanes and novel hydrochlorofluoroalkenes is described wherein an effective amount of a catalytically active metal compound is applied which is selected from the group consisting of AlF | 01-24-2013 |
Patent application number | Description | Published |
20080245335 | Piston for an internal combustion engine - A piston for an internal combustion engine, comprising a piston head having a piston crown, a circumferential top land, and a circumferential ring belt having ring grooves. At least one ring groove is provided with a ring insert. A circumferential depression is provided in the top land, above the ring belt. | 10-09-2008 |
20080264376 | Piston for an internal combustion engine - A piston for an internal combustion engine has a piston crown, a circumferential top land, and a circumferential ring belt having ring grooves, as well as having a piston skirt that has two skirt walls disposed on the major thrust side and the minor thrust side of the piston, and two box walls, set back with regard to the ring belt, that connect the skirt walls. The box walls have pin bosses with pin bores. The skirt wall disposed on the major thrust side is shorter, in a circumference direction of the piston, than the skirt wall disposed on the minor thrust side. | 10-30-2008 |
20090078080 | Connecting Rod for an Internal Combustion Engine and Method for Its Production - The present invention relates to a connecting rod ( | 03-26-2009 |
20090165743 | Piston for an Internal Combustion Engine and Method for Its Production - The present invention relates to a piston ( | 07-02-2009 |
20100012073 | PISTON FOR AN INTERNAL COMBUSTION ENGINE - The present invention relates to a piston ( | 01-21-2010 |
20100050862 | Piston for an internal combustion engine - A piston for an internal combustion engine has a lower piston part and an upper piston part that are connected with one another by friction welding and form an outer circumferential cooling channel. The upper piston part has a circumferential ring belt provided with ring grooves, the inner wall of which delimits the circumferential outer cooling channel. An outer circumferential friction-weld seam is provided below the ring belt, the width of which seam is less than or equal to the wall thickness between the groove root of the ring grooves and the inner wall of the ring belt. | 03-04-2010 |
20110232480 | Piston for an internal combustion engine - A piston for an internal combustion engine has at least two hub bores for holding a piston pin. The hub bores are formed with a cylindrical inner contour and are provided with a coating comprising a resin with solid lubricant particles embedded therein. The coating forms at least one geometric deviation from the cylindrical inner contour of the hub bores. A method for producing a piston of the type, includes producing bores with a cylindrical inner contour and applying a coating medium comprising a resin with solid lubricant particles embedded therein to the inner faces of the bores by a coating tool, such that the resulting coating forms at least one geometric deviation from the cylindrical inner contour of the hub bores. | 09-29-2011 |
20130008407 | PISTON FOR AN INTERNAL COMBUSTION ENGINE - The present invention relates to a piston ( | 01-10-2013 |
20130014722 | PISTON FOR AN INTERNAL COMBUSTION ENGINE AND METHOD FOR ITS PRODUCTIONAANM SCHARP; RainerAACI VaihingenAACO DEAAGP SCHARP; Rainer Vaihingen DEAANM KEMNITZ; PeterAACI LeutenbachAACO DEAAGP KEMNITZ; Peter Leutenbach DEAANM Ullrich; MichaelAACI MoeglingenAACO DEAAGP Ullrich; Michael Moeglingen DE - A piston for an internal combustion engine has a piston head that has a circumferential cooling channel as well as a combustion bowl having a circumferential bowl wall that makes a transition into a piston crown by way of a bowl edge region. The combustion bowl is formed at least in part by a piston base body and the bowl wall is formed at least in part from an insert. The insert is connected with the piston base body by means of beam welding. A lower weld seam is configured in the bowl wall, which seam encloses an acute angle with the piston center axis (M) and ends in the lower half of the cooling channel. An upper weld seam runs from the cooling channel ceiling to the piston crown and is disposed centered or radially offset toward the outside, with reference to the clear width of the cooling channel. | 01-17-2013 |
20130074796 | PISTON FOR AN INTERNAL COMBUSTION ENGINE - A piston for an internal combustion engine has a piston crown, a circumferential top land, and a circumferential ring belt having ring grooves, as well as having a piston skirt that has two skirt walls disposed on the major thrust side and the minor thrust side of the piston, and two box walls, set back with regard to the ring belt, that connect the skirt walls. The box walls have pin bosses with pin bores. The skirt wall disposed on the major thrust side is shorter, in a circumference direction of the piston, than the skirt wall disposed on the minor thrust side. | 03-28-2013 |
20140137405 | METHOD FOR THE PRODUCTION OF A PISTON FOR AN INTERNAL COMBUSTION ENGINE - A method for producing piston for an internal combustion engine which has a piston head that has a circumferential cooling channel as well as a combustion bowl having a circumferential bowl wall that makes a transition into a piston crown by way of a bowl edge region. The combustion bowl is formed at least in part by a piston base body and the bowl wall is formed at least in part from an insert. The insert is connected with the piston base body by means of beam welding. A lower weld. seam is configured in the bowl wall, which seam encloses an acute angle with the piston center axis (M) and ends in the lower half of the cooling channel. An upper weld seam runs from the cooling channel ceiling to the piston crown and is disposed centered or radially offset toward the outside, with reference to the clear width of the cooling channel. | 05-22-2014 |
20140242277 | METHOD FOR THE PRODUCTION OF A CONNECTING ROD FOR AN INTERNAL COMBUSTION ENGINE - A method for producing a connecting rod for an internal combustion engine, having a small connecting rod eye for holding a piston pin and having a large connecting rod eye for holding a crank pin, wherein at least one connecting rod eye has at least one geometric deviation from a cylindrical inner contour. It is provided according to the invention that the at least one connecting rod eye is formed by creating a bore with a cylindrical inner contour, and coating the bore with a coating comprising a resin with solid lubricant particles embedded therein. The coating forms the at least one geometric deviation from the cylindrical inner contour of the at least one connecting rod eye. | 08-28-2014 |