High-pressure delivery pump
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Mar 27, 2001
Grant Date -
N/A
app pub date -
May 31, 2000
filing date -
May 31, 1999
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A high-pressure delivery pump is provided which includes a high-pressure cylinder and a plunger displaceable within the high-pressure cylinder. The high-pressure delivery pump also includes an eccentric pin which is arranged on a drive shaft having an axis of rotation perpendicular to a central longitudinal axis of the plunger. The plunger has a disk-shaped widened portion at a first end thereof. The disk-shaped widened portion extends radially outwardly from the high-pressure cylinder. A rolling ring in rotatably mounted on the drive shaft and an outer circumference of the rolling ring faces the widened portion of the plunger. The widened portion of the plunger bears against the outer circumference of the rolling ring to form a contact area. The rolling ring has at least one recess or relieved portion at its outer circumference.
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