Close fit cylinder and plunger
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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N/A
Issued Date -
Jan 11, 2007
app pub date -
Apr 21, 2005
filing date -
Apr 21, 2005
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
A pump that includes a cylinder housing having a through bore. A cylinder liner is disposed substantially within the through bore and includes a substantially uniform aperture having a first diameter. A plunger includes an engagement portion having a second diameter smaller than the first diameter. The first diameter and the second diameter are sized to define a first diametrical clearance that is less than about 0.1 percent of the second diameter.
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