Radial-pluger-type apparatus with variable plunger stroke
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United States of America Patent
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-
Jan 25, 1994
Grant Date -
N/A
app pub date -
May 22, 1992
filing date -
May 22, 1991
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A variable-stroke radial-plunger-type apparatus for use as an air compressor, for example, has a main shaft rotatably disposed in a casing assembly, an eccentric collar angularly movably mounted on a eccentric crankpin of the main shaft, and a coupling ring angularly movably mounted on the eccentric collar. A plurality of radial plungers with inner ends coupled to the coupling ring are slidably fitted in respective cylinders that are rockably supported it the casing assembly. The angular movement of the eccentric collar on the crankpin is adjusted by a stroke adjusting mechanism. The coupling ring can be positioned with respect to the main shaft and the casing assembly by a W-mechanism. The W-mechanism may comprise external and internal gears or pulleys and sprockets.
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