INJECTOR WATER INTRUSION SEAL WITH BLOW OUT VOLUME

A fluid injector includes a housing and an inlet tube having a portion received in the housing. A primary seal creates a seal between surfaces of the housing, the inlet tube, and an inlet of the injector. A groove is in the housing and a secondary seal is in the groove to defining a seal between the...

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Bibliographische Detailangaben
1. Verfasser:	MCFARLAND ROBERT W
Format:	Patent
Sprache:	eng
Schlagworte:	BLASTING COMBUSTION ENGINES ENGINE PLANTS IN GENERAL GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNALCOMBUSTION ENGINES GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES ORENGINES IN GENERAL HEATING HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS LIGHTING MACHINES OR ENGINES IN GENERAL MECHANICAL ENGINEERING STEAM ENGINES SUPPLYING COMBUSTION ENGINES IN GENERAL, WITH COMBUSTIBLEMIXTURES OR CONSTITUENTS THEREOF WEAPONS
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Beschreibung
Zusammenfassung:	A fluid injector includes a housing and an inlet tube having a portion received in the housing. A primary seal creates a seal between surfaces of the housing, the inlet tube, and an inlet of the injector. A groove is in the housing and a secondary seal is in the groove to defining a seal between the housing and a portion of the inlet of the injector. A recessed portion is defined in the housing and is in communication with the groove. The recessed portion defines a blow-out volume such that when the primary seal is leak tested, an indication of a leak of the primary seal can be detected when the pressurized air moves past the primary seal and forces a portion of the secondary seal to an unsealed position into the blow-out volume.