Gear assembly with spiral gears
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United States of America Patent
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May 16, 2017
Grant Date -
Feb 4, 2016
app pub date -
Jul 13, 2015
filing date -
Jul 30, 2014
priority date (Note) -
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Abstract
A gear assembly comprises a housing, a first gear shaft in the housing, a first spiral gear coupled to the first gear shaft in the housing, a second gear shaft in the housing, a second spiral gear coupled to the second gear shaft in the housing, and a fluid connection between a first chamber and a second chamber. The first spiral gear and the second spiral gear couple to define the first chamber and the second chamber within the housing.
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