Rotary machine and compressor
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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Jul 25, 2017
Issued Date -
N/A
app pub date -
Jul 30, 2013
filing date -
Jul 30, 2012
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A rotary machine includes a rotor, a rotating shaft fixed to the rotor, and a balance weight fixed to the rotor. The balance weight has a balance part fixed to the rotor and not contacting the shaft, a locking part, a shaft abutting part, and a coupling part coupling the balance part and the shaft-abutting part, The locking part is disposed on a side of the shaft opposite from the balance part. The locking part is locked with the shaft to limit movement of the balance part along a direction of centrifugal force. The shaft-abutting part is positioned between the shaft and the balance part, is coupled with the locking part, and contacts the shaft. A length of the locking part along a rotor radial direction is shorter than a rotor radial distance between the shaft and the balance part. The shaft-abutting part is radially shorter than the locking part.
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