Roller Cam Followers
A technology of roller cams and moving parts, applied in engine components, machines/engines, mechanical equipment, etc., can solve problems such as consumption, and achieve the effect of reducing grinding work, economical manufacturing, and fast passing time
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[0017] The figure shows a roller cam follower 1 . The roller cam follower is used to reciprocate the rocker arm in an overhead valve train with an underlying camshaft. The roller cam follower consists of a roller tappet 2 , which actuates a piston of a high-pressure fuel pump to and fro, and a hydraulic bearing element 3 . Here the bearing element 3 rests in the recess 4 of the roller tappet 2 formed by the upper side 13 of the bridge section 10 and the inner peripheral surface 7 of the housing 5 . The adapter ring 21 serves as a connecting element.
[0018] The roller tappet 2 has a cylindrical housing 5 with a protruding anti-rotation fastening 6 , which here is present as a pin. The inner peripheral surface 7 of the housing is spaced apart from the edges 8, 9 of the housing 5, approximately at half the height, and is spanned by a bridge section 10, below which a cam roller 11 is arranged, so that The cam rollers are supported on pins 12 mounted in the housing 5 .
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