Shock absorbing tubing for diesel engine fuel injection systems

Claim 1

IN COMBINATION WITH A DIESEL ENGINE INCLUDING A FUEL INJECTION PUMP, SAID PUMP HAVING A PLURALITY OF OUTLET MEMBERS, A PLURALITY OF INJECTOR NOZZLES FOR EACH CORRESPONDING CYLINDER OF THE ENGINE, A PLURALITY OF CONDUITS EACH CONNECTING AN OUTLET MEMBER WITH A RELATED INJECTOR NOZZLE AND ADAPTED TO CARRY HIGH-FREQUENCY PULSATING FLUIDS SUBJECTED TO PRESSURE PEAKS UP TO 1,000 ATMOSPHERES, SAID CONDUITS COMPRISING AN INNER TUBE AND AN OUTER TUBE, SAID INNER TUBE BEING OF SUPER-POLYAMIDIC MATERIAL CAPABLE OF CONTAINING AND RESISTING THE SUSTAINED PRESSURE OF SAID FLUIDS, SAID OUTER TUBE BEING OF METAL AND OF EQUAL OR LESS WALL THICKNESS THAN THE WALL THICKNESS OF THE SUPER-POLYAMIDIC INNER TUBE IN IMMEDIATE SURROUNDING CONTACT THROUGHOUT ITS LENGTH WITH SAID INNER TUBE TO PROTECT IT AGAINST EXTERNAL ABRASION AND CUTTIN, SAID INNER AND OUTER TUBES CONSTITUTING A HOMOGENEOUS SAFETY FLUID CONDUCTOR OFFERING LOW IMPEDANCE TO FLUID FLOW AND PROVIDING A NON-LEAKABLE CONDUIT IN THE EVENT OF ACCIDENTAL RUPTURE OF THE OUTER METALLIC TUBE.