External axial rotary piston blower with noise suppressing transfer ports
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United States of America Patent
Stats
-
Nov 1, 1988
Grant Date -
N/A
app pub date -
Jun 10, 1987
filing date -
Jun 20, 1986
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An external axial rotary piston blower for quarter-roller type of construction with transfer ports leading to the outlet in the casing runway surfacing or inner peripheral surface of the housing with length differing relative to each other and increasing cross section differing toward the outlet, the greatest length of which can be permitted to be dimensioned or measured only such that the transfer ports are first opened when the inlet is closed-off by the piston traversing the same.
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