IMPROVED ROD SEAL ASSEMBLIES FOR MACHINES WITH CROSSHEADS AND SEALED OSCILLATING RODS
Number of patents in Portfolio can not be more than 2000
United States of America
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Issued Date -
Apr 21, 2022
app pub date -
Jan 29, 2020
filing date -
Jan 29, 2020
priority date (Note) -
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status (Latency Note)
Importance
Abstract
A rod seal assembly for a machine includes a crosshead and a sealed oscillating piston rod. The rod seal assembly includes a seal housing, a rod seal, a bushing and a rod seal base, wherein the rod seal, bushing and the rod seal base are annular and can be laterally moved in relation to the seal housing the housing axially supports the rod seal base, the rod seal base is adapted to be arranged around the piston rod and is provided with a base portion, wherein the base portion includes a lower axial surface directed in a first axial direction an upper axial surface directed in a second axial direction, wherein the lower axial surface abut the housing and the upper axial surface is provided with a rod seal seat, the rod seal is adapted to be arranged around the piston rod, and has a first end portion and a second end portion, wherein the first end portion is arranged to connect to the rod seal base in the first axial direction, and the bushing is arranged to abut the rod seal in the first axial direction, and the rod seal base and the bushing are arranged to have an axial overlap.
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