Tool for testing sealing of interface between wall of cylinder head and guide wall, has insulating unit or seal that is utilized for insulating top end of guide valve, and injection channel that is utilized for pressurizing top end

The tool (10) has a hollow body (11) that is able to be placed in a housing that is intended to accommodate a valve rod. A cylinder head comprises a thrust unit on which the body is arranged in a water-tight manner. A centering rod (13) is allowed to slide in the body until a test position. An upper...

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Bibliographische Detailangaben
Hauptverfasser:	FOULOGNE ANTHONY, DELCROIX MICHEL
Format:	Patent
Sprache:	eng ; fre
Schlagworte:	BLASTING CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES ENGINE PLANTS IN GENERAL HEATING LIGHTING MACHINES OR ENGINES IN GENERAL MEASURING MECHANICAL ENGINEERING PHYSICS STEAM ENGINES TESTING TESTING STATIC OR DYNAMIC BALANCE OF MACHINES ORSTRUCTURES TESTING STRUCTURES OR APPARATUS NOT OTHERWISE PROVIDED FOR WEAPONS
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Beschreibung
Zusammenfassung:	The tool (10) has a hollow body (11) that is able to be placed in a housing that is intended to accommodate a valve rod. A cylinder head comprises a thrust unit on which the body is arranged in a water-tight manner. A centering rod (13) is allowed to slide in the body until a test position. An upper end (14) of the centering rod is crossed by a guide valve. The guide valve is arranged with a top end. An insulating unit or seal (31) is utilized for insulating the top end of the guide valve. An injection channel (27) is utilized for pressurizing the top end. An independent claim is also included for an interface testing method. L'invention concerne un outil de test (10) de l'étanchéité de l'interface comprise entre la paroi d'une culasse et un guide de soupape fixé sur ladite paroi, caractérisé en ce qu'il comporte: - un corps d'outil (11) creux pouvant être placé dans un logement destiné à accueillir une tige de soupape, ladite culasse comportant une butée sur laquelle ledit corps peut venir en appui étanche, - une tige de centrage (13) pouvant coulisser dans ledit corps (11) jusqu'à une position de test; - des moyens (31) pour isoler de façon étanche ledit sommet dudit guide, et - des moyens (25, 27) pour mettre sous pression ledit sommet. L'invention concerne également un procédé de test de ladite étanchéité selon lequel on isole de façon étanche une extrémité dudit guide de façon à former une chambre de test.