Patent ID: 7472844
Filing Date: 2009-01-06
Classification: F02M

Abstract:
1. A fuel injector nozzle assembly, comprising: a nozzle casing; a first tip member extending longitudinally within the nozzle casing and defining first and second shoulders on the first tip member and also defining a plurality of injection holes; and a second tip member extending longitudinally within the nozzle casing and being arranged in predetermined rotational alignment with the first tip member, the second tip member defining: (i) a third shoulder on the second tip member configured to interact with the first shoulder to oppose rotation of the first tip member relative the second tip member in a first direction about a longitudinal axis of the first tip member; and (ii) a fourth shoulder on the second tip member configured to interact with the second shoulder to oppose rotation of the first tip member relative the second tip member in a second direction about a longitudinal axis of the first tip member.